Articles | Volume 13, issue 4
https://doi.org/10.5194/bg-13-1237-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Special issue:
https://doi.org/10.5194/bg-13-1237-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Research article
| 
01 Mar 2016
Research article |
| 01 Mar 2016
Thermo-erosion gullies boost the transition from wet to mesic tundra vegetation
Naïm Perreault
Département des sciences de l'environnement, Université du
Québec à Trois-Rivières,
Trois-Rivières, QC, G9A 5H7, Canada
Centre d'études nordiques, Université Laval, Québec, QC,
G1V 0A6, Canada
Esther Lévesque
CORRESPONDING AUTHOR
Département des sciences de l'environnement, Université du
Québec à Trois-Rivières,
Trois-Rivières, QC, G9A 5H7, Canada
Centre d'études nordiques, Université Laval, Québec, QC,
G1V 0A6, Canada
Daniel Fortier
Centre d'études nordiques, Université Laval, Québec, QC,
G1V 0A6, Canada
Département de géographie, Université de Montréal,
Montréal, QC, H2V 2B8, Canada
Laurent J. Lamarque
CORRESPONDING AUTHOR
Département des sciences de l'environnement, Université du
Québec à Trois-Rivières,
Trois-Rivières, QC, G9A 5H7, Canada
Centre d'études nordiques, Université Laval, Québec, QC,
G1V 0A6, Canada
Related authors
No articles found.
Frédéric Bouchard, Daniel Fortier, Michel Paquette, Vincent Boucher, Reinhard Pienitz, and Isabelle Laurion
The Cryosphere, 14, 2607–2627, https://doi.org/10.5194/tc-14-2607-2020, https://doi.org/10.5194/tc-14-2607-2020, 2020
Short summary
Short summary
We combine lake mapping, landscape observations and sediment core analyses to document the evolution of a thermokarst (thaw) lake in the Canadian Arctic over the last millennia. We conclude that temperature is not the only driver of thermokarst development, as the lake likely started to form during a cooler period around 2000 years ago. The lake is now located in frozen layers with an organic carbon content that is an order of magnitude higher than the usually reported values across the Arctic.
Sina Muster, Kurt Roth, Moritz Langer, Stephan Lange, Fabio Cresto Aleina, Annett Bartsch, Anne Morgenstern, Guido Grosse, Benjamin Jones, A. Britta K. Sannel, Ylva Sjöberg, Frank Günther, Christian Andresen, Alexandra Veremeeva, Prajna R. Lindgren, Frédéric Bouchard, Mark J. Lara, Daniel Fortier, Simon Charbonneau, Tarmo A. Virtanen, Gustaf Hugelius, Juri Palmtag, Matthias B. Siewert, William J. Riley, Charles D. Koven, and Julia Boike
Earth Syst. Sci. Data, 9, 317–348, https://doi.org/10.5194/essd-9-317-2017, https://doi.org/10.5194/essd-9-317-2017, 2017
Short summary
Short summary
Waterbodies are abundant in Arctic permafrost lowlands. Most waterbodies are ponds with a surface area smaller than 100 x 100 m. The Permafrost Region Pond and Lake Database (PeRL) for the first time maps ponds as small as 10 x 10 m. PeRL maps can be used to document changes both by comparing them to historical and future imagery. The distribution of waterbodies in the Arctic is important to know in order to manage resources in the Arctic and to improve climate predictions in the Arctic.
Etienne Godin, Daniel Fortier, and Esther Lévesque
Biogeosciences, 13, 1439–1452, https://doi.org/10.5194/bg-13-1439-2016, https://doi.org/10.5194/bg-13-1439-2016, 2016
Short summary
Short summary
Bowl-shaped ice-wedge polygons in permafrost regions can retain snowmelt water and moisture in their center. On Bylot Island (NU, CA), a rapidly developing thermal erosion gully eroded the polygons' ridges, impacting the polygon centers' ground moisture and temperature, plant cover and species. An intact polygon was homogeneous in its center for the aforementioned elements, whereas eroded polygons had a varying response following the breach, with heterogeneity as their new equilibrium state.
Related subject area
Biodiversity and Ecosystem Function: Terrestrial
Linking geomorphological processes and wildlife microhabitat selection: nesting birds select refuges generated by permafrost degradation in the Arctic
Distinguishing mature and immature trees allows estimating forest carbon uptake from stand structure
“Blooming” of litter-mixing effects: the role of flower and leaf litter interactions on decomposition in terrestrial and aquatic ecosystems
From simple labels to semantic image segmentation: leveraging citizen science plant photographs for tree species mapping in drone imagery
Plant functional traits modulate the effects of soil acidification on above- and belowground biomass
Regional effects and local climate jointly shape the global distribution of sexual systems in woody flowering plants
Ideas and perspectives: Sensing energy and matter fluxes in a biota-dominated Patagonian landscape through environmental seismology – introducing the Pumalín Critical Zone Observatory
Comparison of carbon and water fluxes and the drivers of ecosystem water use efficiency in a temperate rainforest and a peatland in southern South America
Leaf habit and nutrient availability drive leaf nutrient resorption globally
Kilometre-scale simulations over Fennoscandia reveal a large loss of tundra due to climate warming
Biomass Yield Potential, Feedstock Quality, and Nutrient Removal of Perennial Buffer Strips under Continuous Zero Fertilizer Application
Microclimate mapping using novel radiative transfer modelling
Root distributions predict shrub–steppe responses to precipitation intensity
Thermophilisation of Afromontane forest stands demonstrated in an elevation gradient experiment
Soil smoldering in temperate forests: A neglected contributor to fire carbon emissions revealed by atmospheric mixing ratios
Above-treeline ecosystems facing drought: lessons from the 2022 European summer heat wave
Canopy gaps and associated losses of biomass – combining UAV imagery and field data in a central Amazon forest
Ideas and perspectives: Beyond model evaluation – combining experiments and models to advance terrestrial ecosystem science
Primary succession and its driving variables – a sphere-spanning approach applied in proglacial areas in the upper Martell Valley (Eastern Italian Alps)
Contemporary biodiversity pattern is affected by climate change at multiple temporal scales in steppes on the Mongolian Plateau
Quantifying vegetation indices using terrestrial laser scanning: methodological complexities and ecological insights from a Mediterranean forest
Revisiting and attributing the global controls over terrestrial ecosystem functions of climate and plant traits at FLUXNET sites via causal graphical models
Dynamics of short-term ecosystem carbon fluxes induced by precipitation events in a semiarid grassland
Throughfall exclusion and fertilization effects on tropical dry forest tree plantations, a large-scale experiment
Tectonic controls on the ecosystem of the Mara River basin, East Africa, from geomorphological and spectral index analysis
Spruce bark beetles (Ips typographus) cause up to 700 times higher bark BVOC emission rates compared to healthy Norway spruce (Picea abies)
Technical note: Novel estimates of the leaf relative uptake rate of carbonyl sulfide from optimality theory
Observed water and light limitation across global ecosystems
A question of scale: modeling biomass, gain and mortality distributions of a tropical forest
Seed traits and phylogeny explain plants' geographic distribution
Effect of the presence of plateau pikas on the ecosystem services of alpine meadows
Allometric equations and wood density parameters for estimating aboveground and woody debris biomass in Cajander larch (Larix cajanderi) forests of northeast Siberia
Strong influence of trees outside forest in regulating microclimate of intensively modified Afromontane landscapes
Excess radiation exacerbates drought stress impacts on canopy conductance along aridity gradients
Dispersal of bacteria and stimulation of permafrost decomposition by Collembola
Modeling the effects of alternative crop–livestock management scenarios on important ecosystem services for smallholder farming from a landscape perspective
Contrasting strategies of nutrient demand and use between savanna and forest ecosystems in a neotropical transition zone
Monitoring post-fire recovery of various vegetation biomes using multi-wavelength satellite remote sensing
Updated estimation of forest biomass carbon pools in China, 1977–2018
Estimating dry biomass and plant nitrogen concentration in pre-Alpine grasslands with low-cost UAS-borne multispectral data – a comparison of sensors, algorithms, and predictor sets
Fire in lichen-rich subarctic tundra changes carbon and nitrogen cycling between ecosystem compartments but has minor effects on stocks
Mass concentration measurements of autumn bioaerosol using low-cost sensors in a mature temperate woodland free-air carbon dioxide enrichment (FACE) experiment: investigating the role of meteorology and carbon dioxide levels
Phosphorus stress strongly reduced plant physiological activity, but only temporarily, in a mesocosm experiment with Zea mays colonized by arbuscular mycorrhizal fungi
Main drivers of plant diversity patterns of rubber plantations in the Greater Mekong Subregion
Importance of the forest state in estimating biomass losses from tropical forests: combining dynamic forest models and remote sensing
Examining the role of environmental memory in the predictability of carbon and water fluxes across Australian ecosystems
Water uptake patterns of pea and barley responded to drought but not to cropping systems
Geodiversity and biodiversity on a volcanic island: the role of scattered phonolites for plant diversity and performance
The role of cover crops for cropland soil carbon, nitrogen leaching, and agricultural yields – a global simulation study with LPJmL (V. 5.0-tillage-cc)
The biogeographic pattern of microbial communities inhabiting terrestrial mud volcanoes across the Eurasian continent
Madeleine-Zoé Corbeil-Robitaille, Éliane Duchesne, Daniel Fortier, Christophe Kinnard, and Joël Bêty
Biogeosciences, 21, 3401–3423, https://doi.org/10.5194/bg-21-3401-2024, https://doi.org/10.5194/bg-21-3401-2024, 2024
Short summary
Short summary
In the Arctic tundra, climate change is transforming the landscape, and this may impact wildlife. We focus on three nesting bird species and the islets they select as refuges from their main predator, the Arctic fox. A geomorphological process, ice-wedge polygon degradation, was found to play a key role in creating these refuges. This process is likely to affect predator–prey dynamics in the Arctic tundra, highlighting the connections between nature's physical and ecological systems.
Samuel M. Fischer, Xugao Wang, and Andreas Huth
Biogeosciences, 21, 3305–3319, https://doi.org/10.5194/bg-21-3305-2024, https://doi.org/10.5194/bg-21-3305-2024, 2024
Short summary
Short summary
Understanding the drivers of forest productivity is key for accurately assessing forests’ role in the global carbon cycle. Yet, despite significant research effort, it is not fully understood how the productivity of a forest can be deduced from its stand structure. We suggest tackling this problem by identifying the share and structure of immature trees within forests and show that this approach could significantly improve estimates of forests’ net productivity and carbon uptake.
Mery Ingrid Guimarães de Alencar, Rafael D. Guariento, Bertrand Guenet, Luciana S. Carneiro, Eduardo L. Voigt, and Adriano Caliman
Biogeosciences, 21, 3165–3182, https://doi.org/10.5194/bg-21-3165-2024, https://doi.org/10.5194/bg-21-3165-2024, 2024
Short summary
Short summary
Flowers are ephemeral organs for reproduction, and their litter is functionally different from leaf litter. Flowers can affect decomposition and interact with leaf litter, influencing decomposition non-additively. We show that mixing flower and leaf litter from the Tabebuia aurea tree creates reciprocal synergistic effects on decomposition in both terrestrial and aquatic environments. We highlight that flower litter input can generate biogeochemical hotspots in terrestrial ecosystems.
Salim Soltani, Olga Ferlian, Nico Eisenhauer, Hannes Feilhauer, and Teja Kattenborn
Biogeosciences, 21, 2909–2935, https://doi.org/10.5194/bg-21-2909-2024, https://doi.org/10.5194/bg-21-2909-2024, 2024
Short summary
Short summary
In this research, we developed a novel method using citizen science data as alternative training data for computer vision models to map plant species in unoccupied aerial vehicle (UAV) images. We use citizen science plant photographs to train models and apply them to UAV images. We tested our approach on UAV images of a test site with 10 different tree species, yielding accurate results. This research shows the potential of citizen science data to advance our ability to monitor plant species.
Xue Feng, Ruzhen Wang, Tianpeng Li, Jiangping Cai, Heyong Liu, Hui Li, and Yong Jiang
Biogeosciences, 21, 2641–2653, https://doi.org/10.5194/bg-21-2641-2024, https://doi.org/10.5194/bg-21-2641-2024, 2024
Short summary
Short summary
Plant functional traits have been considered as reflecting adaptations to environmental variations, indirectly affecting ecosystem productivity. How soil acidification affects above- and belowground biomass by altering leaf and root traits remains poorly understood. We found divergent trait responses driven by soil environmental conditions in two dominant species, resulting in a decrease in aboveground biomass and an increase in belowground biomass.
Minhua Zhang, Xiaoqing Hu, and Fangliang He
Biogeosciences, 21, 2133–2142, https://doi.org/10.5194/bg-21-2133-2024, https://doi.org/10.5194/bg-21-2133-2024, 2024
Short summary
Short summary
Plant sexual systems are important to understanding the evolution and maintenance of plant diversity. We quantified region effects on their proportions while incorporating local climate factors and evolutionary history. We found regional processes and climate effects both play important roles in shaping the geographic distribution of sexual systems, providing a baseline for predicting future changes in forest communities in the context of global change.
Christian H. Mohr, Michael Dietze, Violeta Tolorza, Erwin Gonzalez, Benjamin Sotomayor, Andres Iroume, Sten Gilfert, and Frieder Tautz
Biogeosciences, 21, 1583–1599, https://doi.org/10.5194/bg-21-1583-2024, https://doi.org/10.5194/bg-21-1583-2024, 2024
Short summary
Short summary
Coastal temperate rainforests, among Earth’s carbon richest biomes, are systematically underrepresented in the global network of critical zone observatories (CZOs). Introducing here a first CZO in the heart of the Patagonian rainforest, Chile, we investigate carbon sink functioning, biota-driven landscape evolution, fluxes of matter and energy, and disturbance regimes. We invite the community to join us in cross-disciplinary collaboration to advance science in this particular environment.
Jorge F. Perez-Quezada, David Trejo, Javier Lopatin, David Aguilera, Bruce Osborne, Mauricio Galleguillos, Luca Zattera, Juan L. Celis-Diez, and Juan J. Armesto
Biogeosciences, 21, 1371–1389, https://doi.org/10.5194/bg-21-1371-2024, https://doi.org/10.5194/bg-21-1371-2024, 2024
Short summary
Short summary
For 8 years we sampled a temperate rainforest and a peatland in Chile to estimate their efficiency to capture carbon per unit of water lost. The efficiency is more related to the water lost than to the carbon captured and is mainly driven by evaporation instead of transpiration. This is the first report from southern South America and highlights that ecosystems might behave differently in this area, likely explained by the high annual precipitation (~ 2100 mm) and light-limited conditions.
Gabriela Sophia, Silvia Caldararu, Benjamin Stocker, and Sönke Zaehle
EGUsphere, https://doi.org/10.5194/egusphere-2024-687, https://doi.org/10.5194/egusphere-2024-687, 2024
Short summary
Short summary
Through an extensive global dataset of leaf nutrient resorption and a multifactorial analysis, we show that the majority of spatial variation in nutrient resorption may be driven by leaf habit and type, with thicker, longer-lived leaves having lower resorption efficiencies. Climate, soil fertility and soil-related factors emerge as strong drivers with an additional effect in its role. These results are essential for comprehending plant nutrient status, plant productivity and nutrient cycling.
Fredrik Lagergren, Robert G. Björk, Camilla Andersson, Danijel Belušić, Mats P. Björkman, Erik Kjellström, Petter Lind, David Lindstedt, Tinja Olenius, Håkan Pleijel, Gunhild Rosqvist, and Paul A. Miller
Biogeosciences, 21, 1093–1116, https://doi.org/10.5194/bg-21-1093-2024, https://doi.org/10.5194/bg-21-1093-2024, 2024
Short summary
Short summary
The Fennoscandian boreal and mountain regions harbour a wide range of ecosystems sensitive to climate change. A new, highly resolved high-emission climate scenario enabled modelling of the vegetation development in this region at high resolution for the 21st century. The results show dramatic south to north and low- to high-altitude shifts of vegetation zones, especially for the open tundra environments, which will have large implications for nature conservation, reindeer husbandry and forestry.
Cheng-Hsien Lin, Colleen Zumpf, Chunhwa Jang, Thomas Voigt, Guanglong Tian, Olawale Oladeji, Albert Cox, Rehnuma Mehzabin, and Do Kyoung Lee
EGUsphere, https://doi.org/10.5194/egusphere-2024-203, https://doi.org/10.5194/egusphere-2024-203, 2024
Short summary
Short summary
Riparian areas are subject to environmental issues (nutrient leaching) associated with low productivity. Perennial grasses can improve ecosystem services from riparian zones while producing forage/bioenergy feedstock biomass, as potential income for farmers. In this study, the forage-type buffer can be an ideal short-term candidate due to its great efficiency of nutrient scavenging; the bioenergy-type showed better sustainability than the forage buffer and a continuous yield supply potential.
Florian Zellweger, Eric Sulmoni, Johanna T. Malle, Andri Baltensweiler, Tobias Jonas, Niklaus E. Zimmermann, Christian Ginzler, Dirk Nikolaus Karger, Pieter De Frenne, David Frey, and Clare Webster
Biogeosciences, 21, 605–623, https://doi.org/10.5194/bg-21-605-2024, https://doi.org/10.5194/bg-21-605-2024, 2024
Short summary
Short summary
The microclimatic conditions experienced by organisms living close to the ground are not well represented in currently used climate datasets derived from weather stations. Therefore, we measured and mapped ground microclimate temperatures at 10 m spatial resolution across Switzerland using a novel radiation model. Our results reveal a high variability in microclimates across different habitats and will help to better understand climate and land use impacts on biodiversity and ecosystems.
Andrew Kulmatiski, Martin C. Holdrege, Cristina Chirvasă, and Karen H. Beard
Biogeosciences, 21, 131–143, https://doi.org/10.5194/bg-21-131-2024, https://doi.org/10.5194/bg-21-131-2024, 2024
Short summary
Short summary
Warmer air and larger precipitation events are changing the way water moves through the soil and into plants. Here we show that detailed descriptions of root distributions can predict plant growth responses to changing precipitation patterns. Shrubs and forbs increased growth, while grasses showed no response to increased precipitation intensity, and these responses were predicted by plant rooting distributions.
Bonaventure Ntirugulirwa, Etienne Zibera, Nkuba Epaphrodite, Aloysie Manishimwe, Donat Nsabimana, Johan Uddling, and Göran Wallin
Biogeosciences, 20, 5125–5149, https://doi.org/10.5194/bg-20-5125-2023, https://doi.org/10.5194/bg-20-5125-2023, 2023
Short summary
Short summary
Twenty tropical tree species native to Africa were planted along an elevation gradient (1100 m, 5.4 °C difference). We found that early-successional (ES) species, especially from lower elevations, grew faster at warmer sites, while several of the late-successional (LS) species, especially from higher elevations, did not respond or grew slower. Moreover, a warmer climate increased tree mortality in LS species, but not much in ES species.
Lilian Vallet, Charbel Abdallah, Thomas Lauvaux, Lilian Joly, Michel Ramonet, Philippe Ciais, Morgan Lopez, Irène Xueref-Remy, and Florent Mouillot
EGUsphere, https://doi.org/10.5194/egusphere-2023-2421, https://doi.org/10.5194/egusphere-2023-2421, 2023
Short summary
Short summary
2022 fire season had a huge impact on European temperate forest, with several large fires exhibiting prolonged soil combustion reported. We analyzed CO and CO2 concentration recorded at nearby atmospheric towers, revealing intense smoldering combustion. We refined a fire emission model to incorporate this process. We estimated 7.95 MteqCO2 fire emission, twice the global estimate. Fires contributed to 1.97 % of the country's annual carbon footprint, reducing forest carbon sink by 30 % this year.
Philippe Choler
Biogeosciences, 20, 4259–4272, https://doi.org/10.5194/bg-20-4259-2023, https://doi.org/10.5194/bg-20-4259-2023, 2023
Short summary
Short summary
The year 2022 was unique in that the summer heat wave and drought led to a widespread reduction in vegetation growth at high elevation in the European Alps. This impact was unprecedented in the southwestern, warm, and dry part of the Alps. Over the last 2 decades, water has become a co-dominant control of vegetation activity in areas that were, so far, primarily controlled by temperature, and the growth of mountain grasslands has become increasingly sensitive to moisture availability.
Adriana Simonetti, Raquel Fernandes Araujo, Carlos Henrique Souza Celes, Flávia Ranara da Silva e Silva, Joaquim dos Santos, Niro Higuchi, Susan Trumbore, and Daniel Magnabosco Marra
Biogeosciences, 20, 3651–3666, https://doi.org/10.5194/bg-20-3651-2023, https://doi.org/10.5194/bg-20-3651-2023, 2023
Short summary
Short summary
We combined 2 years of monthly drone-acquired RGB (red–green–blue) imagery with field surveys in a central Amazon forest. Our results indicate that small gaps associated with branch fall were the most frequent. Biomass losses were partially controlled by gap area, with branch fall and snapping contributing the least and greatest relative values, respectively. Our study highlights the potential of drone images for monitoring canopy dynamics in dense tropical forests.
Silvia Caldararu, Victor Rolo, Benjamin D. Stocker, Teresa E. Gimeno, and Richard Nair
Biogeosciences, 20, 3637–3649, https://doi.org/10.5194/bg-20-3637-2023, https://doi.org/10.5194/bg-20-3637-2023, 2023
Short summary
Short summary
Ecosystem manipulative experiments are large experiments in real ecosystems. They include processes such as species interactions and weather that would be omitted in more controlled settings. They offer a high level of realism but are underused in combination with vegetation models used to predict the response of ecosystems to global change. We propose a workflow using models and ecosystem experiments together, taking advantage of the benefits of both tools for Earth system understanding.
Katharina Ramskogler, Bettina Knoflach, Bernhard Elsner, Brigitta Erschbamer, Florian Haas, Tobias Heckmann, Florentin Hofmeister, Livia Piermattei, Camillo Ressl, Svenja Trautmann, Michael H. Wimmer, Clemens Geitner, Johann Stötter, and Erich Tasser
Biogeosciences, 20, 2919–2939, https://doi.org/10.5194/bg-20-2919-2023, https://doi.org/10.5194/bg-20-2919-2023, 2023
Short summary
Short summary
Primary succession in proglacial areas depends on complex driving forces. To concretise the complex effects and interaction processes, 39 known explanatory variables assigned to seven spheres were analysed via principal component analysis and generalised additive models. Key results show that in addition to time- and elevation-dependent factors, also disturbances alter vegetation development. The results are useful for debates on vegetation development in a warming climate.
Zijing Li, Zhiyong Li, Xuze Tong, Lei Dong, Ying Zheng, Jinghui Zhang, Bailing Miao, Lixin Wang, Liqing Zhao, Lu Wen, Guodong Han, Frank Yonghong Li, and Cunzhu Liang
Biogeosciences, 20, 2869–2882, https://doi.org/10.5194/bg-20-2869-2023, https://doi.org/10.5194/bg-20-2869-2023, 2023
Short summary
Short summary
We used random forest models and structural equation models to assess the relative importance of the present climate and paleoclimate as determinants of diversity and aboveground biomass. Results showed that paleoclimate changes and modern climate jointly determined contemporary biodiversity patterns, while community biomass was mainly affected by modern climate. These findings suggest that contemporary biodiversity patterns may be affected by processes at divergent temporal scales.
William Rupert Moore Flynn, Harry Jon Foord Owen, Stuart William David Grieve, and Emily Rebecca Lines
Biogeosciences, 20, 2769–2784, https://doi.org/10.5194/bg-20-2769-2023, https://doi.org/10.5194/bg-20-2769-2023, 2023
Short summary
Short summary
Quantifying vegetation indices is crucial for ecosystem monitoring and modelling. Terrestrial laser scanning (TLS) has potential to accurately measure vegetation indices, but multiple methods exist, with little consensus on best practice. We compare three methods and extract wood-to-plant ratio, a metric used to correct for wood in leaf indices. We show corrective metrics vary with tree structure and variation among methods, highlighting the value of TLS data and importance of rigorous testing.
Haiyang Shi, Geping Luo, Olaf Hellwich, Alishir Kurban, Philippe De Maeyer, and Tim Van de Voorde
Biogeosciences, 20, 2727–2741, https://doi.org/10.5194/bg-20-2727-2023, https://doi.org/10.5194/bg-20-2727-2023, 2023
Short summary
Short summary
In studies on the relationship between ecosystem functions and climate and plant traits, previously used data-driven methods such as multiple regression and random forest may be inadequate for representing causality due to limitations such as covariance between variables. Based on FLUXNET site data, we used a causal graphical model to revisit the control of climate and vegetation traits over ecosystem functions.
Josué Delgado-Balbuena, Henry W. Loescher, Carlos A. Aguirre-Gutiérrez, Teresa Alfaro-Reyna, Luis F. Pineda-Martínez, Rodrigo Vargas, and Tulio Arredondo
Biogeosciences, 20, 2369–2385, https://doi.org/10.5194/bg-20-2369-2023, https://doi.org/10.5194/bg-20-2369-2023, 2023
Short summary
Short summary
In the semiarid grassland, an increase in soil moisture at shallow depths instantly enhances carbon release through respiration. In contrast, deeper soil water controls plant carbon uptake but with a delay of several days. Previous soil conditions, biological activity, and the size and timing of precipitation are factors that determine the amount of carbon released into the atmosphere. Thus, future changes in precipitation patterns could convert ecosystems from carbon sinks to carbon sources.
German Vargas Gutiérrez, Daniel Pérez-Aviles, Nanette Raczka, Damaris Pereira-Arias, Julián Tijerín-Triviño, L. David Pereira-Arias, David Medvigy, Bonnie G. Waring, Ember Morrisey, Edward Brzostek, and Jennifer S. Powers
Biogeosciences, 20, 2143–2160, https://doi.org/10.5194/bg-20-2143-2023, https://doi.org/10.5194/bg-20-2143-2023, 2023
Short summary
Short summary
To study whether nutrient availability controls tropical dry forest responses to reductions in soil moisture, we established the first troughfall exclusion experiment in a tropical dry forest plantation system crossed with a fertilization scheme. We found that the effects of fertilization on net primary productivity are larger than the effects of a ~15 % reduction in soil moisture, although in many cases we observed an interaction between drought and nutrient additions, suggesting colimitation.
Alina Lucia Ludat and Simon Kübler
Biogeosciences, 20, 1991–2012, https://doi.org/10.5194/bg-20-1991-2023, https://doi.org/10.5194/bg-20-1991-2023, 2023
Short summary
Short summary
Satellite-based analysis illustrates the impact of geological processes for the stability of the ecosystem in the Mara River basin (Kenya/Tanzania). Newly detected fault activity influences the course of river networks and modifies erosion–deposition patterns. Tectonic surface features and variations in rock chemistry lead to localized enhancement of clay and soil moisture values and seasonally stabilised vegetation growth patterns in this climatically vulnerable region.
Erica Jaakkola, Antje Gärtner, Anna Maria Jönsson, Karl Ljung, Per-Ola Olsson, and Thomas Holst
Biogeosciences, 20, 803–826, https://doi.org/10.5194/bg-20-803-2023, https://doi.org/10.5194/bg-20-803-2023, 2023
Short summary
Short summary
Increased spruce bark beetle outbreaks were recently seen in Sweden. When Norway spruce trees are attacked, they increase their production of VOCs, attempting to kill the beetles. We provide new insights into how the Norway spruce act when infested and found the emitted volatiles to increase up to 700 times and saw a change in compound blend. We estimate that the 2020 bark beetle outbreak in Sweden could have increased the total monoterpene emissions from the forest by more than 10 %.
Georg Wohlfahrt, Albin Hammerle, Felix M. Spielmann, Florian Kitz, and Chuixiang Yi
Biogeosciences, 20, 589–596, https://doi.org/10.5194/bg-20-589-2023, https://doi.org/10.5194/bg-20-589-2023, 2023
Short summary
Short summary
The trace gas carbonyl sulfide (COS), which is taken up by plant leaves in a process very similar to photosynthesis, is thought to be a promising proxy for the gross uptake of carbon dioxide by plants. Here we propose a new framework for estimating a key metric to that end, the so-called leaf relative uptake rate. The values we deduce by applying principles of plant optimality are considerably lower than published values and may help reduce the uncertainty of the global COS budget.
François Jonard, Andrew F. Feldman, Daniel J. Short Gianotti, and Dara Entekhabi
Biogeosciences, 19, 5575–5590, https://doi.org/10.5194/bg-19-5575-2022, https://doi.org/10.5194/bg-19-5575-2022, 2022
Short summary
Short summary
We investigate the spatial and temporal patterns of light and water limitation in plant function at the ecosystem scale. Using satellite observations, we characterize the nonlinear relationships between sun-induced chlorophyll fluorescence (SIF) and water and light availability. This study highlights that soil moisture limitations on SIF are found primarily in drier environments, while light limitations are found in intermediately wet regions.
Nikolai Knapp, Sabine Attinger, and Andreas Huth
Biogeosciences, 19, 4929–4944, https://doi.org/10.5194/bg-19-4929-2022, https://doi.org/10.5194/bg-19-4929-2022, 2022
Short summary
Short summary
The biomass of forests is determined by forest growth and mortality. These quantities can be estimated with different methods such as inventories, remote sensing and modeling. These methods are usually being applied at different spatial scales. The scales influence the obtained frequency distributions of biomass, growth and mortality. This study suggests how to transfer between scales, when using forest models of different complexity for a tropical forest.
Kai Chen, Kevin S. Burgess, Fangliang He, Xiang-Yun Yang, Lian-Ming Gao, and De-Zhu Li
Biogeosciences, 19, 4801–4810, https://doi.org/10.5194/bg-19-4801-2022, https://doi.org/10.5194/bg-19-4801-2022, 2022
Short summary
Short summary
Why does plants' distributional range size vary enormously? This study provides evidence that seed mass, intraspecific seed mass variation, seed dispersal mode and phylogeny contribute to explaining species distribution variation on a geographic scale. Our study clearly shows the importance of including seed life-history traits in modeling and predicting the impact of climate change on species distribution of seed plants.
Ying Ying Chen, Huan Yang, Gen Sheng Bao, Xiao Pan Pang, and Zheng Gang Guo
Biogeosciences, 19, 4521–4532, https://doi.org/10.5194/bg-19-4521-2022, https://doi.org/10.5194/bg-19-4521-2022, 2022
Short summary
Short summary
Investigating the effect of the presence of plateau pikas on ecosystem services of alpine meadows is helpful to understand the role of the presence of small mammalian herbivores in grasslands. The results of this study showed that the presence of plateau pikas led to higher biodiversity conservation, soil nitrogen and phosphorus maintenance, and carbon sequestration of alpine meadows, whereas it led to lower forage available to livestock and water conservation of alpine meadows.
Clement Jean Frédéric Delcourt and Sander Veraverbeke
Biogeosciences, 19, 4499–4520, https://doi.org/10.5194/bg-19-4499-2022, https://doi.org/10.5194/bg-19-4499-2022, 2022
Short summary
Short summary
This study provides new equations that can be used to estimate aboveground tree biomass in larch-dominated forests of northeast Siberia. Applying these equations to 53 forest stands in the Republic of Sakha (Russia) resulted in significantly larger biomass stocks than when using existing equations. The data presented in this work can help refine biomass estimates in Siberian boreal forests. This is essential to assess changes in boreal vegetation and carbon dynamics.
Iris Johanna Aalto, Eduardo Eiji Maeda, Janne Heiskanen, Eljas Kullervo Aalto, and Petri Kauko Emil Pellikka
Biogeosciences, 19, 4227–4247, https://doi.org/10.5194/bg-19-4227-2022, https://doi.org/10.5194/bg-19-4227-2022, 2022
Short summary
Short summary
Tree canopies are strong moderators of understory climatic conditions. In tropical areas, trees cool down the microclimates. Using remote sensing and field measurements we show how even intermediate canopy cover and agroforestry trees contributed to buffering the hottest temperatures in Kenya. The cooling effect was the greatest during hot days and in lowland areas, where the ambient temperatures were high. Adopting agroforestry practices in the area could assist in mitigating climate change.
Jing Wang and Xuefa Wen
Biogeosciences, 19, 4197–4208, https://doi.org/10.5194/bg-19-4197-2022, https://doi.org/10.5194/bg-19-4197-2022, 2022
Short summary
Short summary
Excess radiation and low temperatures exacerbate drought impacts on canopy conductance (Gs) among transects. The primary determinant of drought stress on Gs was soil moisture on the Loess Plateau (LP) and the Mongolian Plateau (MP), whereas it was the vapor pressure deficit on the Tibetan Plateau (TP). Radiation exhibited a negative effect on Gs via drought stress within transects, while temperature had negative effects on stomatal conductance on the TP but no effect on the LP and MP.
Sylvain Monteux, Janine Mariën, and Eveline J. Krab
Biogeosciences, 19, 4089–4105, https://doi.org/10.5194/bg-19-4089-2022, https://doi.org/10.5194/bg-19-4089-2022, 2022
Short summary
Short summary
Quantifying the feedback from the decomposition of thawing permafrost soils is crucial to establish adequate climate warming mitigation scenarios. Past efforts have focused on abiotic and to some extent microbial drivers of decomposition but not biotic drivers such as soil fauna. We added soil fauna (Collembola Folsomia candida) to permafrost, which introduced bacterial taxa without affecting bacterial communities as a whole but increased CO2 production (+12 %), presumably due to priming.
Mirjam Pfeiffer, Munir P. Hoffmann, Simon Scheiter, William Nelson, Johannes Isselstein, Kingsley Ayisi, Jude J. Odhiambo, and Reimund Rötter
Biogeosciences, 19, 3935–3958, https://doi.org/10.5194/bg-19-3935-2022, https://doi.org/10.5194/bg-19-3935-2022, 2022
Short summary
Short summary
Smallholder farmers face challenges due to poor land management and climate change. We linked the APSIM crop model and the aDGVM2 vegetation model to investigate integrated management options that enhance ecosystem functions and services. Sustainable intensification moderately increased yields. Crop residue grazing reduced feed gaps but not for dry-to-wet season transitions. Measures to improve soil water and nutrient status are recommended. Landscape-level ecosystem management is essential.
Marina Corrêa Scalon, Imma Oliveras Menor, Renata Freitag, Karine S. Peixoto, Sami W. Rifai, Beatriz Schwantes Marimon, Ben Hur Marimon Junior, and Yadvinder Malhi
Biogeosciences, 19, 3649–3661, https://doi.org/10.5194/bg-19-3649-2022, https://doi.org/10.5194/bg-19-3649-2022, 2022
Short summary
Short summary
We investigated dynamic nutrient flow and demand in a typical savanna and a transition forest to understand how similar soils and the same climate dominated by savanna vegetation can also support forest-like formations. Savanna relied on nutrient resorption from wood, and nutrient demand was equally partitioned between leaves, wood and fine roots. Transition forest relied on resorption from the canopy biomass and nutrient demand was predominantly driven by leaves.
Emma Bousquet, Arnaud Mialon, Nemesio Rodriguez-Fernandez, Stéphane Mermoz, and Yann Kerr
Biogeosciences, 19, 3317–3336, https://doi.org/10.5194/bg-19-3317-2022, https://doi.org/10.5194/bg-19-3317-2022, 2022
Short summary
Short summary
Pre- and post-fire values of four climate variables and four vegetation variables were analysed at the global scale, in order to observe (i) the general fire likelihood factors and (ii) the vegetation recovery trends over various biomes. The main result of this study is that L-band vegetation optical depth (L-VOD) is the most impacted vegetation variable and takes the longest to recover over dense forests. L-VOD could then be useful for post-fire vegetation recovery studies.
Chen Yang, Yue Shi, Wenjuan Sun, Jiangling Zhu, Chengjun Ji, Yuhao Feng, Suhui Ma, Zhaodi Guo, and Jingyun Fang
Biogeosciences, 19, 2989–2999, https://doi.org/10.5194/bg-19-2989-2022, https://doi.org/10.5194/bg-19-2989-2022, 2022
Short summary
Short summary
Quantifying China's forest biomass C pool is important in understanding C cycling in forests. However, most of studies on forest biomass C pool were limited to the period of 2004–2008. Here, we used a biomass expansion factor method to estimate C pool from 1977 to 2018. The results suggest that afforestation practices, forest growth, and environmental changes were the main drivers of increased C sink. Thus, this study provided an essential basis for achieving China's C neutrality target.
Anne Schucknecht, Bumsuk Seo, Alexander Krämer, Sarah Asam, Clement Atzberger, and Ralf Kiese
Biogeosciences, 19, 2699–2727, https://doi.org/10.5194/bg-19-2699-2022, https://doi.org/10.5194/bg-19-2699-2022, 2022
Short summary
Short summary
Actual maps of grassland traits could improve local farm management and support environmental assessments. We developed, assessed, and applied models to estimate dry biomass and plant nitrogen (N) concentration in pre-Alpine grasslands with drone-based multispectral data and canopy height information. Our results indicate that machine learning algorithms are able to estimate both parameters but reach a better level of performance for biomass.
Ramona J. Heim, Andrey Yurtaev, Anna Bucharova, Wieland Heim, Valeriya Kutskir, Klaus-Holger Knorr, Christian Lampei, Alexandr Pechkin, Dora Schilling, Farid Sulkarnaev, and Norbert Hölzel
Biogeosciences, 19, 2729–2740, https://doi.org/10.5194/bg-19-2729-2022, https://doi.org/10.5194/bg-19-2729-2022, 2022
Short summary
Short summary
Fires will probably increase in Arctic regions due to climate change. Yet, the long-term effects of tundra fires on carbon (C) and nitrogen (N) stocks and cycling are still unclear. We investigated the long-term fire effects on C and N stocks and cycling in soil and aboveground living biomass.
We found that tundra fires did not affect total C and N stocks because a major part of the stocks was located belowground in soils which were largely unaltered by fire.
Aileen B. Baird, Edward J. Bannister, A. Robert MacKenzie, and Francis D. Pope
Biogeosciences, 19, 2653–2669, https://doi.org/10.5194/bg-19-2653-2022, https://doi.org/10.5194/bg-19-2653-2022, 2022
Short summary
Short summary
Forest environments contain a wide variety of airborne biological particles (bioaerosols) important for plant and animal health and biosphere–atmosphere interactions. Using low-cost sensors and a free-air carbon dioxide enrichment (FACE) experiment, we monitor the impact of enhanced CO2 on airborne particles. No effect of the enhanced CO2 treatment on total particle concentrations was observed, but a potential suppression of high concentration bioaerosol events was detected under enhanced CO2.
Melanie S. Verlinden, Hamada AbdElgawad, Arne Ven, Lore T. Verryckt, Sebastian Wieneke, Ivan A. Janssens, and Sara Vicca
Biogeosciences, 19, 2353–2364, https://doi.org/10.5194/bg-19-2353-2022, https://doi.org/10.5194/bg-19-2353-2022, 2022
Short summary
Short summary
Zea mays grows in mesocosms with different soil nutrition levels. At low phosphorus (P) availability, leaf physiological activity initially decreased strongly. P stress decreased over the season. Arbuscular mycorrhizal fungi (AMF) symbiosis increased over the season. AMF symbiosis is most likely responsible for gradual reduction in P stress.
Guoyu Lan, Bangqian Chen, Chuan Yang, Rui Sun, Zhixiang Wu, and Xicai Zhang
Biogeosciences, 19, 1995–2005, https://doi.org/10.5194/bg-19-1995-2022, https://doi.org/10.5194/bg-19-1995-2022, 2022
Short summary
Short summary
Little is known about the impact of rubber plantations on diversity of the Great Mekong Subregion. In this study, we uncovered latitudinal gradients of plant diversity of rubber plantations. Exotic species with high dominance result in loss of plant diversity of rubber plantations. Not all exotic species would reduce plant diversity of rubber plantations. Much more effort should be made to balance agricultural production with conservation goals in this region.
Ulrike Hiltner, Andreas Huth, and Rico Fischer
Biogeosciences, 19, 1891–1911, https://doi.org/10.5194/bg-19-1891-2022, https://doi.org/10.5194/bg-19-1891-2022, 2022
Short summary
Short summary
Quantifying biomass loss rates due to stem mortality is important for estimating the role of tropical forests in the global carbon cycle. We analyse the consequences of long-term elevated stem mortality for tropical forest dynamics and biomass loss. Based on simulations, we developed a statistical model to estimate biomass loss rates of forests in different successional states from forest attributes. Assuming a doubling of tree mortality, biomass loss increased from 3.2 % yr-1 to 4.5 % yr-1.
Jon Cranko Page, Martin G. De Kauwe, Gab Abramowitz, Jamie Cleverly, Nina Hinko-Najera, Mark J. Hovenden, Yao Liu, Andy J. Pitman, and Kiona Ogle
Biogeosciences, 19, 1913–1932, https://doi.org/10.5194/bg-19-1913-2022, https://doi.org/10.5194/bg-19-1913-2022, 2022
Short summary
Short summary
Although vegetation responds to climate at a wide range of timescales, models of the land carbon sink often ignore responses that do not occur instantly. In this study, we explore the timescales at which Australian ecosystems respond to climate. We identified that carbon and water fluxes can be modelled more accurately if we include environmental drivers from up to a year in the past. The importance of antecedent conditions is related to ecosystem aridity but is also influenced by other factors.
Qing Sun, Valentin H. Klaus, Raphaël Wittwer, Yujie Liu, Marcel G. A. van der Heijden, Anna K. Gilgen, and Nina Buchmann
Biogeosciences, 19, 1853–1869, https://doi.org/10.5194/bg-19-1853-2022, https://doi.org/10.5194/bg-19-1853-2022, 2022
Short summary
Short summary
Drought is one of the biggest challenges for future food production globally. During a simulated drought, pea and barley mainly relied on water from shallow soil depths, independent of different cropping systems.
David Kienle, Anna Walentowitz, Leyla Sungur, Alessandro Chiarucci, Severin D. H. Irl, Anke Jentsch, Ole R. Vetaas, Richard Field, and Carl Beierkuhnlein
Biogeosciences, 19, 1691–1703, https://doi.org/10.5194/bg-19-1691-2022, https://doi.org/10.5194/bg-19-1691-2022, 2022
Short summary
Short summary
Volcanic islands consist mainly of basaltic rocks. Additionally, there are often occurrences of small phonolite rocks differing in color and surface. On La Palma (Canary Islands), phonolites appear to be more suitable for plants than the omnipresent basalts. Therefore, we expected phonolites to be species-rich with larger plant individuals compared to the surrounding basaltic areas. Indeed, as expected, we found more species on phonolites and larger plant individuals in general.
Vera Porwollik, Susanne Rolinski, Jens Heinke, Werner von Bloh, Sibyll Schaphoff, and Christoph Müller
Biogeosciences, 19, 957–977, https://doi.org/10.5194/bg-19-957-2022, https://doi.org/10.5194/bg-19-957-2022, 2022
Short summary
Short summary
The study assesses impacts of grass cover crop cultivation on cropland during main-crop off-season periods applying the global vegetation model LPJmL (V.5.0-tillage-cc). Compared to simulated bare-soil fallowing practices, cover crops led to increased soil carbon content and reduced nitrogen leaching rates on the majority of global cropland. Yield responses of main crops following cover crops vary with location, duration of altered management, crop type, water regime, and tillage practice.
Tzu-Hsuan Tu, Li-Ling Chen, Yi-Ping Chiu, Li-Hung Lin, Li-Wei Wu, Francesco Italiano, J. Bruce H. Shyu, Seyed Naser Raisossadat, and Pei-Ling Wang
Biogeosciences, 19, 831–843, https://doi.org/10.5194/bg-19-831-2022, https://doi.org/10.5194/bg-19-831-2022, 2022
Short summary
Short summary
This investigation of microbial biogeography in terrestrial mud volcanoes (MVs) covers study sites over a geographic distance of up to 10 000 km across the Eurasian continent. It compares microbial community compositions' coupling with geochemical data across a 3D space. We demonstrate that stochastic processes operating at continental scales and environmental filtering at local scales drive the formation of patchy habitats and the pattern of diversification for microbes in terrestrial MVs.
Cited articles
Akerman, H. J. and Johansson, M.: Thawing permafrost and thicker active
layer in sub-arctic Sweden, Permafrost Periglac., 19, 279–292,
2008.
Allard, M.: Geomorphological changes and permafrost dynamics: key factors in
changing arctic ecosystems, An example from Bylot Island, Nunavut, Canada,
Geosci. Can., 23, 205–212, 1996.
Audet, B., Lévesque, E., and Gauthier G.: Seasonal variation in plant
nutritive quality for Greater Snow Goose goslings in mesic tundra, Can. J.
Bot., 85, 457–462, 2007.
Avis, C. A., Weaver, A. J., and Meissner, K. J.: Reduction in areal extent of
high-latitude wetlands in response to permafrost thaw, Nat. Geosci., 4,
444–448, 2011.
Beck, I., Ludwig, R., Bernier, M., Lévesque, E., and Boike, J.: Assessing
permafrost degradation and land cover changes (1986–2009) using remote
sensing data over Umiujaq, sub-Arctic Québec, Permafrost
Periglac., 26, 129–141,
https://doi.org/10.1002/ppp.1839, 2015.
Beilman, D. W. and Robinson, S. D.: Peatland permafrost thaw and landform
type along a climate gradient, in: Proceedings, Eigth International
Conference on Permafrost, edited by: Phillips, M., Springman, P. M., and
Arenson, S. U., A. A. Balkema, Zurich, Switzerland, 1, 61–65, 2003.
Blok, D., Heijman, M. M. P. D., Schaepman-Strub, G., Kononov, A. V.,
Maximov, T. C., and Berendse, F.: Shrub expansion may reduce summer
permafrost thaw in Siberia tundra, Glob. Change Biol., 16, 1296–1305,
2010.
Bouchard, F., Laurion, I., Preskienis, V., Fortier, D., Xu, X., and Whiticar,
M. J.: Modern to millennium-old greenhouse gases emitted from freshwater
ecosystems of the Eastern Canadian Arctic, Biogeosciences, 12, 7279–7298,
https://doi.org/10.5194/bg-12-7279-2015, 2015.
Cadieux, M.-C., Gauthier, G., Gagnon, C. A., Lévesque, E., Bêty, J.,
and Berteaux, D.: Monitoring the environmental and ecological impacts of
climate change on Bylot Island, Sirmilik National Park, Université
Laval, 113 pp., 2008.
Chen, Z. H., Chen, W. J., Leblanc, S. G., and Henry, G. H. R.: Digital
photograph analysis for measuring percent plant cover in the Arctic, Arctic,
63, 315–326, https://doi.org/10.14430/arctic1495, 2010.
Christiansen, H. H., Eltzelmuller, B., Isaksen, K., Juliussen, H., Farbrot,
H., Humlum, O., Johansson, M., Ingeman-Nielsen, T., Kristensen, L., Hjort,
J., Holmlund, P., Sannel, A. B. K., Sigsgaard, C., Åkerman, H. J., Foged, N., Blikra, L. H., Pernosky, M. A., and Ødegård, R. S.: The thermal state of permafrost in the Nordic Area during the
International Polar Year 2007–2009, Permafrost Periglac., 21, 156–181,
2010.
Collins, M., Knutti, R., Arblaster, J., Dufresne, J.-L., Fichefet, T.,
Friedlingstein, P., Gao, X., Gutowski, W. K., Johns, T., Krinner, G., Shongwe, M., Tebaldi, C., Weaver, A. J., and Wehner, M.:
Long-term climate change: Projections, commitments and irreversibility, in:
Climate change 2013: the physical basis, Contribution of working group I to
the Fifth Assessment Report of the Intergovernmental Panel on Climate
Change, edited by: Stocker, T. F., Qin, D., Plattner, G.-K., Tignor, M.,
Allen, S. K., Boschung, J., Nauels, A., Xia, Y., Bex, V., and Midgley, P. M.,
Cambridge University Press, Cambridge, United Kingdom, 2013.
Cray, H. A. and Pollard, W. H.: Vegetation recovery patterns following
permafrost disturbance in a Low Arctic setting: case study of Herschel
Island, Yukon, Canada, Arct. Antarct. Alp. Res., 47, 99–113,
2015.
Dagg, J. and Lafleur, P.: Vegetation community, foliar nitrogen, and
temperature effects on tundra CO2 exchange across a soil moisture
gradient, Arct. Antarct. Alp. Res., 43, 189–197,
2011.
Daniëls, F. J. A. and de Molenaar, J. G: Flora and vegetation of
Tasiilaq, formerly Angmagssalik, southeast Greenland: a comparison of data
between around 1900 and 2007, Ambio, 40, 650–659,
2011.
Daniëls, F. J. A., de Molenaar, J. G., Chytrý, M., and Tichý, T.:
Vegetation change in southeast Greenland? Tasiilaq revisited after 40 years,
J. Appl. Veg. Sci., 14, 230–241, 2011.
Daubenmire, R.: A canopy-coverage method of vegetationnal analysis,
Northwest Sci., 33, 43–64, 1959.
Doiron, M.: Impacts des changements climatiques sur les relations
plantes-herbivores dans l'Arctique, PhD thesis, Université Laval, 123
pp., 2014.
Doiron, M., Gauthier, G., and Lévesque, E.: Effects of experimental
warming on nitrogen concentration and biomass of forage plants for an arctic
herbivore, J. Ecol., 102, 508–517, 2014.
Duclos, I.: Milieux mésiques et secs de l'Île Bylot, Nunavut
(Canada): caractérisation et utilisation par la Grande Oie des Neiges.
MSc thesis, Université du Québec à Trois-Rivières,
Trois-Rivières, 113 pp., 2002.
Ellis, C. J. and Rochefort, L.: Century-scale development of
polygon-patterned tundra wetland, Bylot Island (73° N,
80° W), Ecology, 4, 963–978, 2004.
Ellis, C. J., Rochefort, L., Gauthier, G., and Pienitz, R.: Paleoecological
evidence for transitions between contrasting landforms in a
polygon-patterned High Arctic wetland, Arct. Antarct. Alp. Res., 40,
624–637, 2008.
Epstein, H. E., Myers-Smith, I., and Walker, D. A.: Recent dynamics of arctic
and sub-arctic vegetation, Environ. Res. Lett., 8, 015040,
https://doi.org/10.1088/1748-9326/8/1/015040, 2013.
Fortier, D. and Allard, M.: Late Holocene syngenetic ice-wedge polygons
development, Bylot Island, Canadian Arctic Archipelago, Can. J. Earth Sci.,
41, 997–1012, 2004.
Fortier, D. and Allard, M.: Frost-cracking conditions, Bylot Island, Eastern
Canadian Arctic archipelago, Permafrost Periglac., 16, 145–161,
2005.
Fortier, D., Allard, M., and Pivot, F.: A late-Holocene record of loess
deposition in ice-wedge polygons reflecting wind activity and ground
moisture conditions, Bylot Island, eastern Canadian Arctic, Holocene, 16,
635–646, 2006.
Fortier, D., Allard, M., and Shur, Y.: Observation of rapid drainage system
development by thermal erosion of ice wedges on Bylot Island, Canadian
Arctic Archipelago, Permafrost Periglac., 18, 229–243,
2007.
Gangodagamage, C., Rowland, J. C., Hubbard, S. S., Brumby, S. P., Liljedahl,
A. K., Wainwright, H., Wilson, C. J., Altmann, G. L., Dafflon, B., Peterson,
J., Ulrich, C., Tweedie, C. E., and Wullschleger, S. D: Extrapolating active layer thickness measurements across Arctic
polygonal terrain using LiDAR and NDVI data sets, Water Resour. Res., 8, 19
pp., https://doi.org/10.1002/2013WR014283, 2014.
Gauthier, G., Hughes, R. J., Reed, R., Beaulieu, J., and Rochefort, L.:
Effect of grazing by greater snow geese on the production of graminoids at
an arctic site (Bylot Island, NWT, Canada), J. Ecol., 83, 653–664,
1995.
Gauthier, G., Rocheford, L., and Reed, A.: The exploitation of wetland
ecosystems by herbivores on Bylot Island, Geosci. Can., 23, 253–259,
1996.
Gauthier, G., Cadieux, M.-C., Lefebvre, J., Bêty, J., and Berteaux D.:
Population study of Greater Snow Geese and its nesting habitat on Bylot
Island, Nunavut, in 2009: A progress report, 31 pp., 2009.
Gauthier, G., Berteaux D., Bêty, J., Tarroux, A., Therrien, J.-F.,
McKinnon, L., Legagneux, P., and Cadieux, M.-C.: The tundra food web of Bylot
Island in a changing climate and the role of exchanges between ecosystems,
Ecoscience, 18, 223–235, 2011.
Gauthier, G., Bêty, J., Cadieux, M.-C., Legagneux, P., Doiron, M.,
Chevallier, C., Lai, S., Tarroux, A., and Berteaux D.: Long-term monitoring
at multiple trophic levels suggests heterogeneity in responses to climate
change in the Canadian Arctic tundra, Phil. Trans. R Soc. B, 368, 20120482,
https://doi.org/10.1098/rstb.2012.0482, 2013.
Godin, E. and Fortier, D.: Geomorphology of thermo-erosion gullies – case
study from Bylot Island, Nunavut, Canada, in: Proceedings, 6th Canadian
Permafrost Conference and 63rd Canadian Geotechnical Conference,
Calgary, 2010.
Godin, E. and Fortier, D.: Fine scale spatio-temporal monitoring of multiple
thermo-erosion gullies development on Bylot Island, eastern canadian
archipelago, in: Proceedings, Tenth International Conference on Permafrost
(TICOP), Salekhard, Russia, 7 pp., https://doi.org/10.13140/2.1.3827.6803, 2012a.
Godin, E. and Fortier, D.: Geomorphology of a thermo-erosion gully, Bylot
Island, Nunavut, Canada, Can. J. Earth Sci., 49, 979–986,
2012b.
Godin, E., Fortier, D., and Coulombe, S.: Effects of thermo-erosion gullying
on hydrologic flow networks, discharge and soil loss, Environ. Res. Lett.,
10, 10 pp., https://doi.org/10.1088/1748-9326/9/10/105010, 2014.
Godin, E., Fortier, D., and Lévesque, E.: Nonlinear thermal and moisture
dynamics of high Arctic wetland polygons following permafrost disturbance,
Biogeosciences Discuss., 12, 11797–11831, https://doi.org/10.5194/bgd-12-11797-2015,
2015.
Grosse, G., Harden, J., Turetsky, M., McGuire A. D., Camill, P., Tarnocai,
C., Frolking, S., Schuur, E. A. G., Jorgenson, T., Marchenko, S., Romanovsky, V., Wickland, K. P., French, N., Waldrop, M., Bourgeau-Chavez, L., and Striegl, R. G.:
Vulnerability of high-latitude soil organic carbon in North America to
disturbance, J. Geophys. Res., 116, G00K06, https://doi.org/10.1029/2010JG001507, 2011.
Gruyer, N. G., Gauthier, G., and Berteaux, D.: Cyclic dynamics of sympatric
lemming populations on Bylot Island, Nunavut, Canada, Can. J. Zool., 86,
910–917, 2008.
Günther, F., Overduin, P. P., Sandakov, A. V., Grosse, G., and Grigoriev,
M. N.: Short- and long-term thermo-erosion of ice-rich permafrost coasts in
the Laptev Sea region, Biogeosciences, 10, 4297–4318,
https://doi.org/10.5194/bg-10-4297-2013, 2013.
Harms, T. K., Abbott, B. W., and Jones, J. B.: Thermo-erosion gullies
increase nitrogen available for hydrologic export, Biogeochemisty, 117,
299–311, 2014.
Hinzman, L. D., Bettez, N. D., Bolton, W. R., Chapin III, F. S., Dyurgerov,
M. B., Fastie, C. L., Griffith, B., Hollister, R. D., Hope, A., Huntington,
H. P., Jensen, A. M., Jia, Gensuo, J. J., Jorgenson, T., Kane, D. L., Klein,
D. R., Kofinas, G., Lynch, A. H., Lloyd, A. H., McGuire, A. D., Nelson, F.
E., Oechel, W. C., Osterkamp, T. E., Racine, C. H., Romanovsky, V. E., Stone,
R. S., Stow, D. A., Sturm, M., Tweedie, C. E., Vourlitis, G. L., Walker, M.
D., Walker, D. A., Webber, P. J., Welker, J. M., Winker, K. S., and
Yoshikawa, K.: Evidence and implications of recent climate change in northern
Alaska and other arctic regions, Clim. Change, 72, 251–298,
2005.
Hollister, R. D., Webber, P. J., and Tweedie, C. E.: The response of Alaskan
arctic tundra to experimental warming: differences between short- and
long-term responses, Glob. Change Biol., 11, 525–536,
2005.
Hudson, J. M. G. and Henry, G. H. R.: High Arctic plant community resists 15
years of experimental warming, J. Ecol., 98, 1035–1041,
2010.
IPY, International Polar Year: Climate Change Impact on Canadian Arctic
Tundra, Protocols for taking vertical photographs and field measurements of
plant height for biomass and LAI estimation in Arctic tundra (for vegetation
height < 0.5 m), Protocols for taking vertical photographs and
field measurements of plant height for biomass and LAI estimation in Arctic
tundra (for vegetation height < 0.5 m),
http://ipytundra.ca/protocols, 2012.
Jonsdottir, I. S., Magnusson, B., Gudmunsson, J., Elmarsdottir, A., and
Hjartarson, H.: Variable sensitivity of plant communities in Iceland to
experimental warming, Glob. Change Biol., 11, 553–563,
2005.
Jorgenson, J. C., Raynolds, M. K., Reynolds, J. H., and Benson, A-M.:
Twenty-five year record of changes in plant cover on tundra of northeastern
Alaska, Arct. Antarct. Alp. Res., 47, 785–806,
2015.
Jorgenson, M. T., Shur, Y. T., and Pullman, E. R.: Abrupt increase in
permafrost degradation in Arctic Alaska, Geophys. Res. Lett., 33, L02503,
https://doi.org/10.1029/2005GRL024960, 2006.
Jorgenson, M. T., Romanosky, V., Harden, S., Shur, Y., O'Donnell, J., Schuur
E. A. G., Kanevskiy, M., and Marchenko, S.: Resilience and vulnerability of
permafrost to climate change, Can. J. For. Res., 40, 1219–1236,
2010.
Jorgenson, M. T., Harden, S., Kanevskiy, M., O'Donnell, J., Wickland, K.,
Ewing, S., Manies, K., Zhuang, Q., Shur, Y., Striegl, R., and Koch, J.:
Reorganization of vegetation, hydrology and soil carbon after permafrost
degradation across heterogeneous boreal landscapes, Environ. Res. Lett., 8,
3, https://doi.org/10.1088/1748-9326/9/10/105010, 2013.
Jorgenson, M. T., Kanevskiy, M., Shur, Y., Moskalenko, N., Brown, D. R. N.,
Wickland, K., Striegl, R., and Koch, J.: Role of ground ice dynamics and
ecological feedbacks in recent ice wedge degradation and stabilization, J.
Geophys. Res. Earth Surf., 120, 2280–2297, 2015.
Klein, E., Berg, E. E., and Dial, R.: Wetland drying and succession across
the Kenai Peninsula Lowlands, south-central Alaska, Can. J. For. Res., 35,
1931–1941, 2005
Kokelj, S. V., Lantz, T. C., Wolfe, S. A., Kanigan, J. C., Morse, P. D.,
Coutts, R., Molina-Giraldo, N., and Burn, C. R.: Distribution and activity of
ice wedges across the forest-tundra transition, western Arctic Canada, J.
Geophys. Res. Earth Surf., 119, 9, https://doi.org/10.1002/2014JF003085, 2014.
Kutzbach, H. J., Wagner, D., and Pfeiffer, E. M.: Effect of microrelief and
vegetation on methane emission wet polygonal tundra, Lena Delta, Northern
Siberia, Biogeochemistry, 69, 341–362, 2004.
Lara, M. J., McGuire, A. D., Euskirchen, E. S., Tweedie, C. E., Hinkel, K.
M., Skurikhin, A. N., Romanovsky, V. E., Grosse, G., Bolton, W. R., and
Genet, H.: Polygonal tundra geomorphological change in response to warming
alters future CO2 and CH4 flux on the Barrow Peninsula, Glob.
Change Biol., 21, 1634–1651, https://doi.org/10.1111/gcb.12757, 2015.
Lecomte, N., Gauthier, G., and Giroux, J.-F.: A link between water
availability and nesting success mediated by predator-prey interactions in
the Arctic, Ecology, 90, 465–475, 2009.
Legagneux, P., Gauthier, G., Berteaux, D., Bêty, J., Cadieux, M.-C.,
Bilodeau, F., Bolduc, E., McKinnon, L., Tarroux, A., Therrien, J.-F.,
Morissette, L., and Krebs, C. J.: Disentangling trophic relationships in a
High Arctic tundra ecosystem through food web modeling, Ecology, 93,
1707–1716, 2012.
Levy, J. S., Head, J. W., and Marchant, D. R.: The role of thermal
contraction crack polygons in cold-desert fluvial systems, Antarct. Sci.,
20, 565–579, 2008.
Liljedahl, A. K., Hinzman, L. D., and Schulla, J.: Ice-wedge polygon type
controls low-gradient watershed-scale hydrology, in: Proceedings, Tenth
International Conference on Permafrost (TICOP), Salekhard, Russia, 6 pp.,
2012.
Littell, R. C., Milliken, G. A., Stroup, W. W., Wolfinger, R. D., and
Schabenberger, O.: SAS® for Mixed Models,
2nd Edn., SAS Institute Inc, Cary, NC, 2006.
Manseau, M. and Gauthier, G.: Interactions between greater snow geese and
their rearing habitat, Ecology, 74, 2045–2055, 1993.
Massé, H., Rochefort, L., and Gauthier, G.: Carrying capacity of wetland
habitats used by breeding greater snow geese, J. Wildlife Manage., 65,
271–281, 2001.
McEwing, K. R., Fisher, J. P., and Zona, D.: Environmental and vegetation
controls on the spatial variability of CH4 emission from wet-sedges and
tussock tundra ecosystems in the Arctic, Plant Soil, 338, 37–52,
2015.
Minke, M., Donner, D., Karpov, N. S., de Klerk, P., and Joosten, H.:
Distribution, diversity, development and dynamics of polygon mires: examples
from Northeast Yakutia (Siberia), Peatlands Int., 1, 36–40, 2007.
Minke, M., Donner, D., Karpov, N. S., de Klerk, P., and Joosten, H.: Patterns
in vegetation composition, surface height and thaw depth in polygon mires in
the Yakutian Arctic (NE Siberia): a microtopographical characterisation of
the active layer, Permafrost Periglac., 20, 357–368,
2009.
Myers-Smith, I. H.: Carbon exchange and permafrost collapse: implications
for a changing climate, MSc thesis, University of Alaska Fairbanks,
Fairbanks, 66 pp., 2005.
Naito, A. T. and Cairns, D. M.: Patterns of shrub expansion in Alaskan
arctic river corridors suggest phase transition, Ecol. Evol., 5, 87–101,
2015.
Natali, S. M., Schuur, E. A. G., Mauritz, M., Schade, J. D., Celis, G.,
Crummer, K. G., Johnston, C., Krapek, J., Pegoraro, E., Salmon, V. G., and
Webb, E. E.: Permafrost thaw and soil moisture driving CO2 and CH4
release from upland tundra, J. Geophys. Res. Biogeosci., 120, 525–537,
https://doi.org/10.1002/2014JG002872, 2015.
Nauta, A. L., Heijmans, M. M. P. D., Blok, D., Limpens, J., Elberling, B.,
Gallagher, A., Li, B., Petrov, R. E., Maximov, T. C., van Huissteden, J., and
Berendse, F.: Permafrost collapse after shrub removal shifts tundra
ecosystem to a methane source, Nature Clim. Change, 5, 67–70,
2015.
Nelson, F. E., Shiklomanov, N. I., and Mueller, G. R.: Variability of
active-layer thickness at multiple spatial scales, North-central Alaska,
USA, Arct. Antarct. Alp. Res., 31, 179–186, 1999.
Nelson, F. E., Shiklomanov, N. I., Hinkel, K. M., and Brown J.: Decadal
results from the Circumpolar Active Layer Monitoring (CALM) program,
Proceedings, Ninth International Conference on Permafrost, edited by:
Hinkel, K. M. and Kane, D. L., University of Alaska Press,
Fairbanks, Alaska, 1273–1280, 2008.
New, M., Liverman, D., Schroder, H., and Anderson, K.: Four degrees and
beyond: the potential for a global temperature increase of four degrees and
its implications, Phil. Trans. R. Soc. A, 369, 6–19,
2011.
NOAA (National Oceanic and Atmospheric Administration), Arctic Research
Program: Arctic Report Card, edited by: Jeffries, M. O., Richter-Menge, J.,
and Overland, J. E., http://www.arctic.noaa.gov/reportcard, 2014.
Oksanen, J., Blanchet, F. G., Kindt, R., Legendre, P., O'Hara, B., Simpson,
G. L., Solymos, P., Stevens, M. H. M., and Wagner, H.: vegan: Community
ecology package, R package version 2.2-1, 2015.
Olefeldt, D., Turetsky, M. R., Crill, P. M., and McGuire, A. D.:
Environmental and physical controls on northern terrestrial methane
emissions across permafrost zones, Glob. Change Biol., 19, 589–603,
2013.
Payette, S., Delwaide, A., Caccianiga, M., and Beauchemin, M.: Accelerated
thawing of subarctic peatland permafrost over the last 50 years, Geophys.
Res. Lett., 31, L18208, https://doi.org/10.1029/2004GL020358, 2004.
Perreault, N.: Impact de la formation de ravins de thermo-erosion sur les
milieux humides, Ile Bylot, Nunavut, Canada, MSc thesis, Université du
Québec à Trois-Rivières, 104 pp., 2012.
Pouliot, R., Rochefort, L., and Gauthier, G.: Moss carpets constrain the
fertilizing effects of herbivores on graminoid plants in arctic polygon
fens, Botany, 87, 1209–1222, 2009.
R Development Core Team: R: a language and environment for statistical
computing. R Foundation for Statistical Computing, Vienna, Austria, ISBN
3-900051-07-0, http://www.R-project.org, 2015.
Romanovsky, V. E., Smith, S. L., and Christiansen, H. H.: Permafrost thermal
state in the polar Northern Hemisphere during the international polar year
2007–2009: a synthesis, Permafrost Periglac., 21, 106–116,
2010.
Rowland, J. C., Jones, C. E., Altmann, G., Bryan, B., Crosby, B. T.,
Geernaert, G. L., Hinzman, L. D., Kane, D. L., Lawrence, D. M., Mancino, A.,
Marsh, P., McNamara, J. P., Romanosky, V. E., Toniolo, H., Travis, B. J.,
Trochim, E., and Wilson C. J.: Arctic landscapes in transition: responses to
thawing permafrost, Eos Trans. Am. Geophys. Union, 91, 229–236,
2010.
Sandvik, S. M. and Odland, A.: Changes in alpine snowbed-wetland vegetation
over three decades in norther Norway, Nordic J. Bot., 32, 377–384,
2014.
Sarrazin, D. and Allard, M.: The thermo-mechanical behavior of frost-cracks
over ice wedges: new data from extensometer measurements, 68th Canadian
Geotechnical Conference and 7th Canadian Permafrost Conference, Quebec
City, Canada, 7 pp., 2015.
Sedinger, J. S., White, R. G., Mann, F. E., Burris, F. A., and Kedrowski, R.
A.: Apparent metabolizability of alfalfa components by yearling Pacific
Black Brant, J. Wildl. Manage., 53, 726–734, 1989.
Seppälä, M.: Piping causing thermokarst in permafrost, Ungava
Peninsula, Quebec, Canada, Geomorphology, 20, 313–319,
1997.
Sheard, J. W. and Geale, D. W.: Vegetation studies at Polar Bear Bass,
Bathurst Island, N.W.T., I. Classification of plant communities, Can. J.
Bot., 61, 1618–1636, 1983.
Shiklomanov, N. I., Streletskiy, D. A., Nelson, F. E., Hollister, R. D.,
Romanovsky, V. E., Tweedie, C. E., Bockheim, J. G., and Brown, J.: Decadal
variations of active-layer thickness in moisture-controlled landscapes,
Barrow, Alaska, J. Geophys. Res., 115, G00I04, https://doi.org/10.1029/2009JG001248,
2010.
Shiklomanov, N. I., Streletskiy, D. A., Little, J. D., and Nelson, F. E.:
Isotropic thaw subsidence in undisturbed permafrost landscapes, Geophys.
Res. Lett., 40, 1–6, 2013.
Sjöberg, Y.: Linking water and permafrost dynamics, PhD thesis,
Stockholm University, 27 pp., 2015.
Sjögersten, S., van der Wal, R., and Woodin, S. J.: Habitat type
determines herbivory controls over CO2 fluxes in a warmer Arctic, Ecology,
89, 2103–2116, 2008.
Smith, S.: Trends in permafrost conditions and ecology in northern Canada:
Ecosystem Status and Trends 2010, Technical Thematic Report No. 9, Canadian
Councils of Resource Ministers, Ottawa, ON, 22 pp., 2011.
Smith, S. L., Burgess, M. M., Riseborough, D., and Nixon, F. M.: Recent
trends from Canadian Permafrost Thermal Monitoring network sites, Permafrost
Periglac., 16, 19–30, 2005.
Smith, S. L., Wolfe, S. A., Riseborough, D. W., and Nixon, F. M.:
Active-layer characteristics and summer climatic indices, Mackenzie Valley,
Northwest Territories, Canada, Permafrost Periglac., 20, 201–220,
2009.
Svoboda, J. and Henry, G. H. R.: Succession in marginal arctic environments, Arct. Alp. Res., 19, 373–384, 1987
Tarnocai, C., Nixon, F. M., and Kutny, L.:
Circumpolar-Active-Layer-Monitoring (CALM) sites in the Mackenzie Valley,
Northwestern Canada, Permafrost Periglac., 15, 141–153,
2004.
Treat, C. C., Natali, S. M., Ernakovitch, J., Iversen, C. M., Lupascu, M.,
McGuire, A. D., Norby, R. J., Chowdhury, T. R., Richter, A., Santruckova, H.,
Schädel, C., Schuur, E. A. G., Sloan, V. L., Turetsky, M. R., and
Waldrop, M.: A pan-Arctic synthesis of CH4 and CO2 production from
anoxic soil incubations, Glob. Change. Biol., 21, 2787–2803, 2015
Tveit, A. T., Urich, T., Frenzel, P., and Svenning, M. M.: Metabolic and
trophic interactions modulate methane production by Arctic peat microbiota in
response to warming, Proc. Natl. Ac. Sci., 112, E2507–E2516,
https://doi.org/10.1073/pnas.1420797112, 2015.
USGCRP: Global Climate Change Impacts in the United States, edited by: Karl,
T. R., Melillo, J. M., and Peterson, T. C., United States Global Change
Research Program, Cambridge University Press, New York, NY, 2009.
ter Braak, C. J. F.: Canonical correspondence analysis: a new eigenvector
technique for multivariate direct gradient analysis, Ecology, 67,
1167–1179, 1986.
Veillette, A., Fortier, D., and Godin, E.: Contrasting patterns of
thermo-erosion gullies formed in syngenetic ice wedge polygonal terrains on
Bylot Island, eastern Canadian Arctic: case studies from three different
sedimentary environments, 68th Canadian Geotechnical Conference and
7th Canadian Permafrost Conference, Quebec City, Canada, 8 pp., 2015.
Vonk, J. E., Mann, P. J., Dowdy, K. L., Davydova, A., Davydov, S. P., Zimov,
N., Spencer, R. G. M., Bulygina, E. B., Eglinton, T. I., and Holmes, R. M.:
Dissolved organic carbon loss from Yedonna permafrost amplified by ice wedge
thaw, Environ. Res. Lett., 8, 3, https://doi.org/10.1088/1748-9326/8/3/035023, 2013.
Woo, M.-K.: Permafrost hydrology, Springer, New York, NY, 564 pp., 2012.
Woo, M.-K. and Young, K. L.: High Arctic wetlands: their occurrence,
hydrological characteristics and sustainability, J. Hydrol., 320,
432–450, 2006.
Woo, M.-K., Mollinga, M., and Smith, S. L.: Climate warming and active layer
thaw in the boreal and tundra environments of the Mackenzie Valley, Can. J.
Earth Sci., 44, 733–743, 2007.
Woo, M.-K., Kane, D. L., Carey, S. K., and Yang, D.: Progress in permafrost
hydrology in the new millennium, Permafrost Periglac., 19, 237–254,
2008.
Wright, N., Hayashi, M., and Quinton, W. L.: Spatial and temporal variations
in active layer thickness and their implication on runoff generation in
peat-covered permafrost terrain, Water Resources Res., 45, W05414,
https://doi.org/10.1029/2008WR006880, 2009.
Zamin, T. Z., Brett-Harte, M. S., and Grogan, P.: Evergreen shrubs dominate
responses to experimental summer warming and fertilization in Canadian mesic
low arctic tundra, J. Ecol., 3, https://doi.org/10.1111/1365-2745.12237, 2014.
Zoltai, S. C., McCormick K. J., and Scotter, G. W.: A natural resource survey
of Bylot Island and adjacent Baffin Island, Northwest Territories, Parks
Canada, Ottawa, ON, 176 pp., 1983.
Zuur, A. F., Ieno, E. N., and Smith, G. M.: Analysing ecological data, edited
by: Gail, M., Krickeberg, K., Samet, J., Tsiatis, A., and Wong, W., Springer,
New York, 672 pp., 2007.
Short summary
We investigated the impacts of climate change and thawing permafrost on vegetation dynamics in Bylot Island, Nunavut. The development of gullies has created new drainage systems within the wetlands, promoting the emergence of mesic plants at the expense of hydrophilic ones within 10 years after disturbance inception. The landscape transformation from wet to mesic plant communities can have substantial consequences on food availability for herbivores and methane emissions of Arctic ecosystems.
We investigated the impacts of climate change and thawing permafrost on vegetation dynamics in...
Special issue
Altmetrics
Final-revised paper
Preprint