Articles | Volume 15, issue 21
https://doi.org/10.5194/bg-15-6481-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-15-6481-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
06 Nov 2018
Research article |
| 06 Nov 2018
| 06 Nov 2018
Intact polar lipids in the water column of the eastern tropical North Pacific: abundance and structural variety of non-phosphorus lipids
Florence Schubotz
CORRESPONDING AUTHOR
MARUM and Department of Geosciences, University of Bremen, 28359
Bremen, Germany
Sitan Xie
MARUM and Department of Geosciences, University of Bremen, 28359
Bremen, Germany
current address: Wai Gao Qiao Free Trade Zone, 200131
Shanghai, China
Julius S. Lipp
MARUM and Department of Geosciences, University of Bremen, 28359
Bremen, Germany
Kai-Uwe Hinrichs
MARUM and Department of Geosciences, University of Bremen, 28359
Bremen, Germany
Stuart G. Wakeham
Skidaway Institute of Oceanography, Savannah, GA 31411, USA
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Intense and localized export of selected marine snow types at eddy edges in the South Atlantic Ocean
Spatial distributions of iron and manganese in surface waters of the Arctic's Laptev and East Siberian seas
Climate-driven shifts in Southern Ocean primary producers and biogeochemistry in CMIP6 models
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David Curbelo-Hernández, Fiz F. Pérez, Melchor González-Dávila, Sergey V. Gladyshev, Aridane G. González, David González-Santana, Antón Velo, Alexey Sokov, and J. Magdalena Santana-Casiano
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Yawouvi Dodji Soviadan, Miriam Beck, Joelle Habib, Alberto Baudena, Laetitia Drago, Alexandre Accardo, Remi Laxenaire, Sabrina Speich, Peter Brandt, Rainer Kiko, and Lars Stemmann
EGUsphere, https://doi.org/10.5194/egusphere-2024-3302, https://doi.org/10.5194/egusphere-2024-3302, 2024
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Key parameters representing the gravity flux in global models are the sinking speed and the vertical attenuation of the exported material. We calculate for the first time, these parameters in situ for 6 intermittent blooms followed by export events using high-resolution (3 days) time series of 0–1000 m depth profiles from imaging sensor mounted on an Argo float. We show that sinking speed depends not only on size but also on the morphology of the particles, density being an important property.
Medhavi Pandey, Haimanti Biswas, Daniel Birgel, Nicole Burdanowitz, and Birgit Gaye
Biogeosciences, 21, 4681–4698, https://doi.org/10.5194/bg-21-4681-2024, https://doi.org/10.5194/bg-21-4681-2024, 2024
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We analysed sea surface temperature (SST) proxy and plankton biomarkers in sediments that accumulate sinking material signatures from surface waters in the central Arabian Sea (21°–11° N, 64° E), a tropical basin impacted by monsoons. We saw a north–south SST gradient, and the biological proxies showed more organic matter from larger algae in the north. Smaller algae and zooplankton were more numerous in the south. These trends were related to ocean–atmospheric processes and oxygen availability.
Allison Hogikyan and Laure Resplandy
Biogeosciences, 21, 4621–4636, https://doi.org/10.5194/bg-21-4621-2024, https://doi.org/10.5194/bg-21-4621-2024, 2024
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Rising atmospheric CO2 influences ocean carbon chemistry, leading to ocean acidification. Global warming introduces spatial patterns in the intensity of ocean acidification. We show that the most prominent spatial patterns are controlled by warming-driven changes in rainfall and evaporation, not by the direct effect of warming on carbon chemistry and pH. These evaporation and rainfall patterns oppose acidification in saltier parts of the ocean and enhance acidification in fresher regions.
Shunya Koseki, Lander R. Crespo, Jerry Tjiputra, Filippa Fransner, Noel S. Keenlyside, and David Rivas
Biogeosciences, 21, 4149–4168, https://doi.org/10.5194/bg-21-4149-2024, https://doi.org/10.5194/bg-21-4149-2024, 2024
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We investigated how the physical biases of an Earth system model influence the marine biogeochemical processes in the tropical Atlantic. With four different configurations of the model, we have shown that the versions with better SST reproduction tend to better represent the primary production and air–sea CO2 flux in terms of climatology, seasonal cycle, and response to climate variability.
Lyuba Novi, Annalisa Bracco, Takamitsu Ito, and Yohei Takano
Biogeosciences, 21, 3985–4005, https://doi.org/10.5194/bg-21-3985-2024, https://doi.org/10.5194/bg-21-3985-2024, 2024
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We explored the relationship between oxygen and stratification in the North Pacific Ocean using a combination of data mining and machine learning. We used isopycnic potential vorticity (IPV) as an indicator to quantify ocean ventilation and analyzed its predictability, a strong O2–IPV connection, and predictability for IPV in the tropical Pacific. This opens new routes for monitoring ocean O2 through few observational sites co-located with more abundant IPV measurements in the tropical Pacific.
Winfred Marshal, Jing Xiang Chung, Nur Hidayah Roseli, Roswati Md Amin, and Mohd Fadzil Bin Mohd Akhir
Biogeosciences, 21, 4007–4035, https://doi.org/10.5194/bg-21-4007-2024, https://doi.org/10.5194/bg-21-4007-2024, 2024
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This study stands out for thoroughly examining CMIP6 ESMs' ability to simulate biogeochemical variables in the southern South China Sea, an economically important region. It assesses variables like chlorophyll, phytoplankton, nitrate, and oxygen on annual and seasonal scales. While global assessments exist, this study addresses a gap by objectively ranking 13 CMIP6 ocean biogeochemistry models' performance at a regional level, focusing on replicating specific observed biogeochemical variables.
Jens Terhaar
Biogeosciences, 21, 3903–3926, https://doi.org/10.5194/bg-21-3903-2024, https://doi.org/10.5194/bg-21-3903-2024, 2024
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Despite the ocean’s importance in the carbon cycle and hence the climate, observing the ocean carbon sink remains challenging. Here, I use an ensemble of 12 models to understand drivers of decadal trends of the past, present, and future ocean carbon sink. I show that 80 % of the decadal trends in the multi-model mean ocean carbon sink can be explained by changes in decadal trends in atmospheric CO2. The remaining 20 % are due to internal climate variability and ocean heat uptake.
Reiner Steinfeldt, Monika Rhein, and Dagmar Kieke
Biogeosciences, 21, 3839–3867, https://doi.org/10.5194/bg-21-3839-2024, https://doi.org/10.5194/bg-21-3839-2024, 2024
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We calculate the amount of anthropogenic carbon (Cant) in the Atlantic for the years 1990, 2000, 2010 and 2020. Cant is the carbon that is taken up by the ocean as a result of humanmade CO2 emissions. To determine the amount of Cant, we apply a technique that is based on the observations of other humanmade gases (e.g., chlorofluorocarbons). Regionally, changes in ocean ventilation have an impact on the storage of Cant. Overall, the increase in Cant is driven by the rising CO2 in the atmosphere.
Stephanie Delacroix, Tor Jensen Nystuen, August E. Dessen Tobiesen, Andrew L. King, and Erik Höglund
Biogeosciences, 21, 3677–3690, https://doi.org/10.5194/bg-21-3677-2024, https://doi.org/10.5194/bg-21-3677-2024, 2024
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The addition of alkaline minerals into the ocean might reduce excessive anthropogenic CO2 emissions. Magnesium hydroxide can be added in large amounts because of its low seawater solubility without reaching harmful pH levels. The toxicity effect results of magnesium hydroxide, by simulating the expected concentrations from a ship's dispersion scenario, demonstrated low impacts on both sensitive and local assemblages of marine microalgae when compared to calcium hydroxide.
Brandon Stephens, Montserrat Roca-Martí, Amy Maas, Vinícius Amaral, Samantha Clevenger, Shawnee Traylor, Claudia Benitez-Nelson, Philip Boyd, Ken Buesseler, Craig Carlson, Nicolas Cassar, Margaret Estapa, Andrea Fassbender, Yibin Huang, Phoebe Lam, Olivier Marchal, Susanne Menden-Deuer, Nicola Paul, Alyson Santoro, David Siegel, and David Nicholson
EGUsphere, https://doi.org/10.5194/egusphere-2024-2251, https://doi.org/10.5194/egusphere-2024-2251, 2024
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The ocean’s mesopelagic zone (MZ) plays a crucial role in the global carbon cycle. This study combines new and previously published measurements of organic carbon supply and demand collected in August 2018 for the MZ in the subarctic North Pacific Ocean. Supply was insufficient to meet demand in August, but supply entering into the MZ in the spring of 2018 could have met the August demand. Results suggest observations over seasonal time scales may help to close MZ carbon budgets.
Precious Mongwe, Matthew Long, Takamitsu Ito, Curtis Deutsch, and Yeray Santana-Falcón
Biogeosciences, 21, 3477–3490, https://doi.org/10.5194/bg-21-3477-2024, https://doi.org/10.5194/bg-21-3477-2024, 2024
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We use a collection of measurements that capture the physiological sensitivity of organisms to temperature and oxygen and a CESM1 large ensemble to investigate how natural climate variations and climate warming will impact the ability of marine heterotrophic marine organisms to support habitats in the future. We find that warming and dissolved oxygen loss over the next several decades will reduce the volume of ocean habitats and will increase organisms' vulnerability to extremes.
Charly A. Moras, Tyler Cyronak, Lennart T. Bach, Renaud Joannes-Boyau, and Kai G. Schulz
Biogeosciences, 21, 3463–3475, https://doi.org/10.5194/bg-21-3463-2024, https://doi.org/10.5194/bg-21-3463-2024, 2024
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We investigate the effects of mineral grain size and seawater salinity on magnesium hydroxide dissolution and calcium carbonate precipitation kinetics for ocean alkalinity enhancement. Salinity did not affect the dissolution, but calcium carbonate formed earlier at lower salinities due to the lower magnesium and dissolved organic carbon concentrations. Smaller grain sizes dissolved faster but calcium carbonate precipitated earlier, suggesting that medium grain sizes are optimal for kinetics.
Rosie M. Sheward, Christina Gebühr, Jörg Bollmann, and Jens O. Herrle
Biogeosciences, 21, 3121–3141, https://doi.org/10.5194/bg-21-3121-2024, https://doi.org/10.5194/bg-21-3121-2024, 2024
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How quickly do marine microorganisms respond to salinity stress? Our experiments with the calcifying marine plankton Emiliania huxleyi show that growth and cell morphology responded to salinity stress within as little as 24–48 hours, demonstrating that morphology and calcification are sensitive to salinity over a range of timescales. Our results have implications for understanding the short-term role of E. huxleyi in biogeochemical cycles and in size-based paleoproxies for salinity.
Laura Marín-Samper, Javier Arístegui, Nauzet Hernández-Hernández, Joaquín Ortiz, Stephen D. Archer, Andrea Ludwig, and Ulf Riebesell
Biogeosciences, 21, 2859–2876, https://doi.org/10.5194/bg-21-2859-2024, https://doi.org/10.5194/bg-21-2859-2024, 2024
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Our planet is facing a climate crisis. Scientists are working on innovative solutions that will aid in capturing the hard to abate emissions before it is too late. Exciting research reveals that ocean alkalinity enhancement, a key climate change mitigation strategy, does not harm phytoplankton, the cornerstone of marine ecosystems. Through meticulous study, we may have uncovered a positive relationship: up to a specific limit, enhancing ocean alkalinity boosts photosynthesis by certain species.
Kieran Curran, Tracy Villareal, and Robert T. Letscher
EGUsphere, https://doi.org/10.5194/egusphere-2024-1416, https://doi.org/10.5194/egusphere-2024-1416, 2024
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This work provides a two year record of marine organic gel concentrations from an open ocean site in the subtropical North Pacific Ocean north of Hawaii. These microscopic gels are investigated to understand their importance as an understudied component of organic matter cycling by marine microbes. We find an important role for gel cycling during the summer months, helping explain previously contradictory estimates of nutrient supply and demand for the subtropical ocean.
France Van Wambeke, Pascal Conan, Mireille Pujo-Pay, Vincent Taillandier, Olivier Crispi, Alexandra Pavlidou, Sandra Nunige, Morgane Didry, Christophe Salmeron, and Elvira Pulido-Villena
Biogeosciences, 21, 2621–2640, https://doi.org/10.5194/bg-21-2621-2024, https://doi.org/10.5194/bg-21-2621-2024, 2024
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Phosphomonoesterase (PME) and phosphodiesterase (PDE) activities over the epipelagic zone are described in the eastern Mediterranean Sea in winter and autumn. The types of concentration kinetics obtained for PDE (saturation at 50 µM, high Km, high turnover times) compared to those of PME (saturation at 1 µM, low Km, low turnover times) are discussed in regard to the possible inequal distribution of PDE and PME in the size continuum of organic material and accessibility to phosphodiesters.
Jenny Hieronymus, Magnus Hieronymus, Matthias Gröger, Jörg Schwinger, Raffaele Bernadello, Etienne Tourigny, Valentina Sicardi, Itzel Ruvalcaba Baroni, and Klaus Wyser
Biogeosciences, 21, 2189–2206, https://doi.org/10.5194/bg-21-2189-2024, https://doi.org/10.5194/bg-21-2189-2024, 2024
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The timing of the net primary production annual maxima in the North Atlantic in the period 1750–2100 is investigated using two Earth system models and the high-emissions scenario SSP5-8.5. It is found that, for most of the region, the annual maxima occur progressively earlier, with the most change occurring after the year 2000. Shifts in the seasonality of the primary production may impact the entire ecosystem, which highlights the need for long-term monitoring campaigns in this area.
Nicole M. Travis, Colette L. Kelly, and Karen L. Casciotti
Biogeosciences, 21, 1985–2004, https://doi.org/10.5194/bg-21-1985-2024, https://doi.org/10.5194/bg-21-1985-2024, 2024
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We conducted experimental manipulations of light level on microbial communities from the primary nitrite maximum. Overall, while individual microbial processes have different directions and magnitudes in their response to increasing light, the net community response is a decline in nitrite production with increasing light. We conclude that while increased light may decrease net nitrite production, high-light conditions alone do not exclude nitrification from occurring in the surface ocean.
Zoë Rebecca van Kemenade, Zeynep Erdem, Ellen Christine Hopmans, Jaap Smede Sinninghe Damsté, and Darci Rush
Biogeosciences, 21, 1517–1532, https://doi.org/10.5194/bg-21-1517-2024, https://doi.org/10.5194/bg-21-1517-2024, 2024
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The California Current system (CCS) hosts the eastern subtropical North Pacific oxygen minimum zone (ESTNP OMZ). This study shows anaerobic ammonium oxidizing (anammox) bacteria cause a loss of bioavailable nitrogen (N) in the ESTNP OMZ throughout the late Quaternary. Anammox occurred during both glacial and interglacial periods and was driven by the supply of organic matter and changes in ocean currents. These findings may have important consequences for biogeochemical models of the CCS.
Cathy Wimart-Rousseau, Tobias Steinhoff, Birgit Klein, Henry Bittig, and Arne Körtzinger
Biogeosciences, 21, 1191–1211, https://doi.org/10.5194/bg-21-1191-2024, https://doi.org/10.5194/bg-21-1191-2024, 2024
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The marine CO2 system can be measured independently and continuously by BGC-Argo floats since numerous pH sensors have been developed to suit these autonomous measurements platforms. By applying the Argo correction routines to float pH data acquired in the subpolar North Atlantic Ocean, we report the uncertainty and lack of objective criteria associated with the choice of the reference method as well the reference depth for the pH correction.
Sabine Mecking and Kyla Drushka
Biogeosciences, 21, 1117–1133, https://doi.org/10.5194/bg-21-1117-2024, https://doi.org/10.5194/bg-21-1117-2024, 2024
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This study investigates whether northeastern North Pacific oxygen changes may be caused by surface density changes in the northwest as water moves along density horizons from the surface into the subsurface ocean. A correlation is found with a lag that about matches the travel time of water from the northwest to the northeast. Salinity is the main driver causing decadal changes in surface density, whereas salinity and temperature contribute about equally to long-term declining density trends.
Allanah Joy Paul, Mathias Haunost, Silvan Urs Goldenberg, Jens Hartmann, Nicolás Sánchez, Julieta Schneider, Niels Suitner, and Ulf Riebesell
EGUsphere, https://doi.org/10.5194/egusphere-2024-417, https://doi.org/10.5194/egusphere-2024-417, 2024
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Ocean alkalinity enhancement (OAE) is being assessed for its potential to absorb atmospheric CO2 and store it for a long time. OAE still needs comprehensive assessment of its safety and effectiveness. We studied an idealised OAE application in a natural low nutrient ecosystem over one month. Our results showed that biogeochemical functioning remained mostly stable, but that the long-term capability for storing carbon may be limited at high alkalinity concentration.
Takamitsu Ito, Hernan E. Garcia, Zhankun Wang, Shoshiro Minobe, Matthew C. Long, Just Cebrian, James Reagan, Tim Boyer, Christopher Paver, Courtney Bouchard, Yohei Takano, Seth Bushinsky, Ahron Cervania, and Curtis A. Deutsch
Biogeosciences, 21, 747–759, https://doi.org/10.5194/bg-21-747-2024, https://doi.org/10.5194/bg-21-747-2024, 2024
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This study aims to estimate how much oceanic oxygen has been lost and its uncertainties. One major source of uncertainty comes from the statistical gap-filling methods. Outputs from Earth system models are used to generate synthetic observations where oxygen data are extracted from the model output at the location and time of historical oceanographic cruises. Reconstructed oxygen trend is approximately two-thirds of the true trend.
Robert W. Izett, Katja Fennel, Adam C. Stoer, and David P. Nicholson
Biogeosciences, 21, 13–47, https://doi.org/10.5194/bg-21-13-2024, https://doi.org/10.5194/bg-21-13-2024, 2024
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This paper provides an overview of the capacity to expand the global coverage of marine primary production estimates using autonomous ocean-going instruments, called Biogeochemical-Argo floats. We review existing approaches to quantifying primary production using floats, provide examples of the current implementation of the methods, and offer insights into how they can be better exploited. This paper is timely, given the ongoing expansion of the Biogeochemical-Argo array.
Qian Liu, Yingjie Liu, and Xiaofeng Li
Biogeosciences, 20, 4857–4874, https://doi.org/10.5194/bg-20-4857-2023, https://doi.org/10.5194/bg-20-4857-2023, 2023
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In the Southern Ocean, abundant eddies behave opposite to our expectations. That is, anticyclonic (cyclonic) eddies are cold (warm). By investigating the variations of physical and biochemical parameters in eddies, we find that abnormal eddies have unique and significant effects on modulating the parameters. This study fills a gap in understanding the effects of abnormal eddies on physical and biochemical parameters in the Southern Ocean.
Caroline Ulses, Claude Estournel, Patrick Marsaleix, Karline Soetaert, Marine Fourrier, Laurent Coppola, Dominique Lefèvre, Franck Touratier, Catherine Goyet, Véronique Guglielmi, Fayçal Kessouri, Pierre Testor, and Xavier Durrieu de Madron
Biogeosciences, 20, 4683–4710, https://doi.org/10.5194/bg-20-4683-2023, https://doi.org/10.5194/bg-20-4683-2023, 2023
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Deep convection plays a key role in the circulation, thermodynamics, and biogeochemical cycles in the Mediterranean Sea, considered to be a hotspot of biodiversity and climate change. In this study, we investigate the seasonal and annual budget of dissolved inorganic carbon in the deep-convection area of the northwestern Mediterranean Sea.
Daniela König and Alessandro Tagliabue
Biogeosciences, 20, 4197–4212, https://doi.org/10.5194/bg-20-4197-2023, https://doi.org/10.5194/bg-20-4197-2023, 2023
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Using model simulations, we show that natural and anthropogenic changes in the global climate leave a distinct fingerprint in the isotopic signatures of iron in the surface ocean. We find that these climate effects on iron isotopes are often caused by the redistribution of iron from different external sources to the ocean, due to changes in ocean currents, and by changes in algal growth, which take up iron. Thus, isotopes may help detect climate-induced changes in iron supply and algal uptake.
Chloé Baumas, Robin Fuchs, Marc Garel, Jean-Christophe Poggiale, Laurent Memery, Frédéric A. C. Le Moigne, and Christian Tamburini
Biogeosciences, 20, 4165–4182, https://doi.org/10.5194/bg-20-4165-2023, https://doi.org/10.5194/bg-20-4165-2023, 2023
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Through the sink of particles in the ocean, carbon (C) is exported and sequestered when reaching 1000 m. Attempts to quantify C exported vs. C consumed by heterotrophs have increased. Yet most of the conducted estimations have led to C demands several times higher than C export. The choice of parameters greatly impacts the results. As theses parameters are overlooked, non-accurate values are often used. In this study we show that C budgets can be well balanced when using appropriate values.
Anna Belcher, Sian F. Henley, Katharine Hendry, Marianne Wootton, Lisa Friberg, Ursula Dallman, Tong Wang, Christopher Coath, and Clara Manno
Biogeosciences, 20, 3573–3591, https://doi.org/10.5194/bg-20-3573-2023, https://doi.org/10.5194/bg-20-3573-2023, 2023
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The oceans play a crucial role in the uptake of atmospheric carbon dioxide, particularly the Southern Ocean. The biological pumping of carbon from the surface to the deep ocean is key to this. Using sediment trap samples from the Scotia Sea, we examine biogeochemical fluxes of carbon, nitrogen, and biogenic silica and their stable isotope compositions. We find phytoplankton community structure and physically mediated processes are important controls on particulate fluxes to the deep ocean.
Asmita Singh, Susanne Fietz, Sandy J. Thomalla, Nicolas Sanchez, Murat V. Ardelan, Sébastien Moreau, Hanna M. Kauko, Agneta Fransson, Melissa Chierici, Saumik Samanta, Thato N. Mtshali, Alakendra N. Roychoudhury, and Thomas J. Ryan-Keogh
Biogeosciences, 20, 3073–3091, https://doi.org/10.5194/bg-20-3073-2023, https://doi.org/10.5194/bg-20-3073-2023, 2023
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Despite the scarcity of iron in the Southern Ocean, seasonal blooms occur due to changes in nutrient and light availability. Surprisingly, during an autumn bloom in the Antarctic sea-ice zone, the results from incubation experiments showed no significant photophysiological response of phytoplankton to iron addition. This suggests that ambient iron concentrations were sufficient, challenging the notion of iron deficiency in the Southern Ocean through extended iron-replete post-bloom conditions.
Benoît Pasquier, Mark Holzer, Matthew A. Chamberlain, Richard J. Matear, Nathaniel L. Bindoff, and François W. Primeau
Biogeosciences, 20, 2985–3009, https://doi.org/10.5194/bg-20-2985-2023, https://doi.org/10.5194/bg-20-2985-2023, 2023
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Modeling the ocean's carbon and oxygen cycles accurately is challenging. Parameter optimization improves the fit to observed tracers but can introduce artifacts in the biological pump. Organic-matter production and subsurface remineralization rates adjust to compensate for circulation biases, changing the pathways and timescales with which nutrients return to the surface. Circulation biases can thus strongly alter the system’s response to ecological change, even when parameters are optimized.
Priyanka Banerjee
Biogeosciences, 20, 2613–2643, https://doi.org/10.5194/bg-20-2613-2023, https://doi.org/10.5194/bg-20-2613-2023, 2023
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This study shows that atmospheric deposition is the most important source of iron to the upper northern Indian Ocean for phytoplankton growth. This is followed by iron from continental-shelf sediment. Phytoplankton increase following iron addition is possible only with high background levels of nitrate. Vertical mixing is the most important physical process supplying iron to the upper ocean in this region throughout the year. The importance of ocean currents in supplying iron varies seasonally.
Iris Kriest, Julia Getzlaff, Angela Landolfi, Volkmar Sauerland, Markus Schartau, and Andreas Oschlies
Biogeosciences, 20, 2645–2669, https://doi.org/10.5194/bg-20-2645-2023, https://doi.org/10.5194/bg-20-2645-2023, 2023
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Global biogeochemical ocean models are often subjectively assessed and tuned against observations. We applied different strategies to calibrate a global model against observations. Although the calibrated models show similar tracer distributions at the surface, they differ in global biogeochemical fluxes, especially in global particle flux. Simulated global volume of oxygen minimum zones varies strongly with calibration strategy and over time, rendering its temporal extrapolation difficult.
John C. Tracey, Andrew R. Babbin, Elizabeth Wallace, Xin Sun, Katherine L. DuRussel, Claudia Frey, Donald E. Martocello III, Tyler Tamasi, Sergey Oleynik, and Bess B. Ward
Biogeosciences, 20, 2499–2523, https://doi.org/10.5194/bg-20-2499-2023, https://doi.org/10.5194/bg-20-2499-2023, 2023
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Nitrogen (N) is essential for life; thus, its availability plays a key role in determining marine productivity. Using incubations of seawater spiked with a rare form of N measurable on a mass spectrometer, we quantified microbial pathways that determine marine N availability. The results show that pathways that recycle N have higher rates than those that result in its loss from biomass and present new evidence for anaerobic nitrite oxidation, a process long thought to be strictly aerobic.
Amanda Gerotto, Hongrui Zhang, Renata Hanae Nagai, Heather M. Stoll, Rubens César Lopes Figueira, Chuanlian Liu, and Iván Hernández-Almeida
Biogeosciences, 20, 1725–1739, https://doi.org/10.5194/bg-20-1725-2023, https://doi.org/10.5194/bg-20-1725-2023, 2023
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Based on the analysis of the response of coccolithophores’ morphological attributes in a laboratory dissolution experiment and surface sediment samples from the South China Sea, we proposed that the thickness shape (ks) factor of fossil coccoliths together with the normalized ks variation, which is the ratio of the standard deviation of ks (σ) over the mean ks (σ/ks), is a robust and novel proxy to reconstruct past changes in deep ocean carbon chemistry.
Katherine E. Turner, Doug M. Smith, Anna Katavouta, and Richard G. Williams
Biogeosciences, 20, 1671–1690, https://doi.org/10.5194/bg-20-1671-2023, https://doi.org/10.5194/bg-20-1671-2023, 2023
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We present a new method for reconstructing ocean carbon using climate models and temperature and salinity observations. To test this method, we reconstruct modelled carbon using synthetic observations consistent with current sampling programmes. Sensitivity tests show skill in reconstructing carbon trends and variability within the upper 2000 m. Our results indicate that this method can be used for a new global estimate for ocean carbon content.
Alexandre Mignot, Hervé Claustre, Gianpiero Cossarini, Fabrizio D'Ortenzio, Elodie Gutknecht, Julien Lamouroux, Paolo Lazzari, Coralie Perruche, Stefano Salon, Raphaëlle Sauzède, Vincent Taillandier, and Anna Teruzzi
Biogeosciences, 20, 1405–1422, https://doi.org/10.5194/bg-20-1405-2023, https://doi.org/10.5194/bg-20-1405-2023, 2023
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Numerical models of ocean biogeochemistry are becoming a major tool to detect and predict the impact of climate change on marine resources and monitor ocean health. Here, we demonstrate the use of the global array of BGC-Argo floats for the assessment of biogeochemical models. We first detail the handling of the BGC-Argo data set for model assessment purposes. We then present 23 assessment metrics to quantify the consistency of BGC model simulations with respect to BGC-Argo data.
Alban Planchat, Lester Kwiatkowski, Laurent Bopp, Olivier Torres, James R. Christian, Momme Butenschön, Tomas Lovato, Roland Séférian, Matthew A. Chamberlain, Olivier Aumont, Michio Watanabe, Akitomo Yamamoto, Andrew Yool, Tatiana Ilyina, Hiroyuki Tsujino, Kristen M. Krumhardt, Jörg Schwinger, Jerry Tjiputra, John P. Dunne, and Charles Stock
Biogeosciences, 20, 1195–1257, https://doi.org/10.5194/bg-20-1195-2023, https://doi.org/10.5194/bg-20-1195-2023, 2023
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Ocean alkalinity is critical to the uptake of atmospheric carbon and acidification in surface waters. We review the representation of alkalinity and the associated calcium carbonate cycle in Earth system models. While many parameterizations remain present in the latest generation of models, there is a general improvement in the simulated alkalinity distribution. This improvement is related to an increase in the export of biotic calcium carbonate, which closer resembles observations.
Jérôme Pinti, Tim DeVries, Tommy Norin, Camila Serra-Pompei, Roland Proud, David A. Siegel, Thomas Kiørboe, Colleen M. Petrik, Ken H. Andersen, Andrew S. Brierley, and André W. Visser
Biogeosciences, 20, 997–1009, https://doi.org/10.5194/bg-20-997-2023, https://doi.org/10.5194/bg-20-997-2023, 2023
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Large numbers of marine organisms such as zooplankton and fish perform daily vertical migration between the surface (at night) and the depths (in the daytime). This fascinating migration is important for the carbon cycle, as these organisms actively bring carbon to depths where it is stored away from the atmosphere for a long time. Here, we quantify the contributions of different animals to this carbon drawdown and storage and show that fish are important to the biological carbon pump.
Alastair J. M. Lough, Alessandro Tagliabue, Clément Demasy, Joseph A. Resing, Travis Mellett, Neil J. Wyatt, and Maeve C. Lohan
Biogeosciences, 20, 405–420, https://doi.org/10.5194/bg-20-405-2023, https://doi.org/10.5194/bg-20-405-2023, 2023
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Iron is a key nutrient for ocean primary productivity. Hydrothermal vents are a source of iron to the oceans, but the size of this source is poorly understood. This study examines the variability in iron inputs between hydrothermal vents in different geological settings. The vents studied release different amounts of Fe, resulting in plumes with similar dissolved iron concentrations but different particulate concentrations. This will help to refine modelling of iron-limited ocean productivity.
Nicole M. Travis, Colette L. Kelly, Margaret R. Mulholland, and Karen L. Casciotti
Biogeosciences, 20, 325–347, https://doi.org/10.5194/bg-20-325-2023, https://doi.org/10.5194/bg-20-325-2023, 2023
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The primary nitrite maximum is a ubiquitous upper ocean feature where nitrite accumulates, but we still do not understand its formation and the co-occurring microbial processes involved. Using correlative methods and rates measurements, we found strong spatial patterns between environmental conditions and depths of the nitrite maxima, but not the maximum concentrations. Nitrification was the dominant source of nitrite, with occasional high nitrite production from phytoplankton near the coast.
Cited articles
Andreou, A., Brodhun, F., and Feussner, I.: Biosynthesis of oxylipins in
non-mammals, Progr. Lip. Res., 48, 148–170, 2009.
Bale, N. J., Hopmans, E. C., Schoon, P. L., de Kluijver, A., Downing, J. A.,
Middelburg, J. J., Sinninghe Damsté, J. S., and Schouten, S.: Impact of
trophic state on the distribution of intact polar lipids in surface waters
of lakes, Limnol. Oceanogr., 61, 1065–1077, 2016.
Basse, A., Zhu, C., Versteegh, G. J. M., Fischer, G., Hinrichs, K.-U., and
Mollenhauer, G.: Distribution of intact and core tetraether lipids in water
column profiles of suspended particulate matter off Cape Blank, NW Africa,
Org. Geochem., 72, 1–13, 2014.
Benning, C., Beatty, J. T., Prince, R. C., and Somerville, C. R.: The
sulfolipid sulfoquinovosyldiacylglycerol is not required for photosynthetic
electron transport in Rhodobacter sphaeroides but enhances growth under
phosphate limitation, P. Natl. Acad. Sci. USA, 90, 1561–1565, 1993.
Bianchi, M., Marty, D., Teyssié, J.-L., and Fowler, S. W.: Strictly
aerobic and anaerobic bacteria associated with sinking particulate matter
and zooplankton fecal pellets, Mar. Ecol. Press Ser., 88, 55–60, 1992.
Bosak, T., Schubotz, F., de Santiago-Torio, A., Kuehl, J. V., Carlson, H. K.,
Watson, N., Daye, M., Summons, R. E., Arkin, A. P., and Deutschbauer, A. M.:
System-wide adaptations of Desulfovibrio alaskensis G20 to
phosphate-limited conditions, PLoS ONE, 11, e0168719, https://doi.org/10.1371/journal.pone.0168719, 2016.
Brandsma, J., Hopmans, E. C., Philippart, C. J. M., Veldhuis, M. J. W.,
Schouten, S., and Sinninghe Damsté, J. S.: Low temporal variation in the
intact polar lipid composition of North Sea coastal marine water reveals
limited chemotaxonomic value, Biogeosciences, 9, 1073–1084,
https://doi.org/10.5194/bg-9-1073-2012, 2012.
Brett, M. T. and Müller-Navarra, D. C.: The role of highly unsaturated
fatty acids in aquatic foodweb processes, Freshw. Biol., 38, 483–499,
1997.
Carini, P., Van Mooy, B. A. S., Thrash, J. C., White, A., Zhao, Y., Campbell, E.
O., Fredricks, H. F., and Giovannoni, S. J.: SAR11 lipid renovation in response
to phosphate starvation, P. Natl. Acad. Sci. USA, 112, 7767–7772, 2015.
Carolan, M. T., Smith, J. M., and Beman, J. M.: Transcriptomic evidence for
microbial sulfur cycling in the eastern tropical North Pacific oxygen minimum
zone, Front. Microbiol., 6, 334, https://doi.org/10.3389/fmicb.2015.00334, 2015.
Cass, C. J. and Daly, K. L.: Ecological characteristics of eucalanoid
copepods of the eastern tropical North Pacific Ocean: Adaptations for life
within a low oxygen system, J. Exp. Mar. Biol. Ecol., 468, 118–129, 2015.
Cavan, E. L., Trimmer, M., Shelley, F., and Sanders, R.: Remineralization of
particulate organic carbon in an ocean oxygen minimum zone, Nat. Commun., 8,
14847, https://doi.org/10.1038/ncomms14847, 2016.
Codispoti, L. A. and Richards, F. A.: An analysis of the horizontal regime of
denitrification in the eastern tropical North Pacific, Limnol. Oceanogr., 21, 379–388, 1976.
DeBaar, H. J. W., Farrington, J. W., and Wakeham, S. G.: Vertical flux of
fatty acids in the North Atlantic Ocean, J. Mar. Res., 41, 19–41, 1983.
DeLong, E. F. and Yayanos, A.: Biochemical function and ecological
significance of novel bacterial lipids in deep-sea procaryotes, Appl.
Environ. Mirobiol., 51, 730–737, 1986.
Dembitsky, V.: Betaine ether-linked glycerolipids: Chemistry and biology,
Progr. Lip. Res., 35, 1–51, 1996.
Diervo, A. J. and Reynolds, J. W.: Phospholipid composition and cardiolipin
synthesis in fermentative and nonfermentative marine bacteria, J. Bacteriol., 123, 294–301, 1975.
DiTullio, G. and Geesey, M. E.: Photosynthetic Pigments in Marine Algae and
Bacteria. in: Encyclopedia of Environmental Microbiology, edited by: Bitton, G., vol. 5, 2453–2470,
Wiley, New York, NY, USA, 2002.
Elling, F. J., Könneke, M., Mußmann,
M., Greve, A., and Hinrichs, K.-U.: Influence of temperature, pH, and
salinity on membrane lipid composition and TEX86 of marine planktonic
thaumarchaeal isolates, Geochim. Cosmochim. Acta, 171, 238–255, 2015.
Elling, F. J., Könneke, M., Nicol, G. W., Stieglmeier, M., Bayer, B.,
Spieck, E., La Torre, De J. R., Becker, K. W., Thomm, M., Prosser, J. I.,
Herndl, G. J., Schleper, C., and Hinrichs, K.-U.: Chemotaxonomic
characterisation of the thaumarchaeal lipidome, Environ. Microbiol., 19, 2681–2700, https://doi.org/10.1111/1462-2920.13759, 2017.
Ertefai, T., Fisher, M., Fredricks, H., and Lipp, J.: Vertical distribution
of microbial lipids and functional genes in chemically distinct layers of a
highly polluted meromictic lake, Org. Geochem., 39, 1572–1588, 2008.
Exterkate, F. A. and Veerkamp, J. H.: Biochemical changes in
Bifidobacterium bifidum var. Pennsylvanicus after cell wall inhibition. I.
Composition of lipids, Biochim. Biophys. Acta, 176, 65–77, 1969.
Fang, J., Kato, C., Sato, T., Chan, O., and McKay, D.: Biosynthesis and
dietary uptake of polyunsaturated fatty acids by piezophilic bacteria, Comp.
Biochem. Phys. B, 137, 455–446, 2004.
Fiedler, P. C. and Talley, L. D.: Hydrography of the eastern tropical
Pacific: A review, Progr. Oceanogr., 69, 143–180, 2006.
Franck, V. M., Smith, G. J., Bruland, K. W., and Brzezinski, M. A.:
Comparison of size-dependent carbon, nitrate and silicic acid uptake rates
in high- and low-iron waters, Limnol. Oceanogr., 50, 825–838, 2005.
Geiger, O., Röhrs, V., Weissenmayer, B., Finan, T. M., and Thomas-Oates,
J. E.: The regulator gene phoB mediates phosphate stress-controlled
synthesis of the membrane lipid diacylglyceryl-N,N,N-trimethylhomoserine in
Rhizobium (Sinorhizobium) meliloti, Mol. Microbiol., 32, 63–73, 1999.
Geske, T., Dorp vom, K., Dörmann, P., and Hölzl, G.: Accumulation of
glycolipids and other non-phosphorous lipids in Agrobacterium tumefaciens
grown under phosphate deprivation, Glycobiol., 23, 69–80, 2012.
Goericke, R., Olson, R. J., and Shalapyonok, A.: A novel niche for
Prochlorococcus sp. in low-light suboxic environments in the Arabian Sea and
the Eastern Tropical North Pacific, Deep-Sea Res. Pt. I, 47, 1183–1205, 2000.
Goldfine, H.: Bacterial membranes and lipid packing theory, J. Lip. Res.,
25, 1501–1507, 1984.
Goldfine, H. and Ellis, M. E.: N-methyl groups in bacterial lipids, J.
Bacteriol., 87, 8–15, 1964.
Gruber, N.: The marine nitrogen cycle: overview and challenges, in: Nitrogen
in the marine environment, edited by: Capone, D. G., Bronk, D. A., Mulholland, M. R., and Carpenter, E. J.,
Burlington, Academic, MA, USA, 1–50, 2008.
Harvey, R. H., Fallon, R. D., and Patton, J. S.: The effect of organic matter
and oxygen on the degradation of bacterial membrane lipids in marine
sediments, Geochim. Cosmochim. Acta, 50, 795–804, 1986.
Hernandez-Sanchez, M. T., Homoky, W. B., and Pancost, R. D.: Occurrence of
1-O-monoalkyl glycerol ether lipids in ocean waters and sediment, Org.
Geochem., 66, 1–13, 2014.
Hölzl, G. and Dörmann, P.: Structure and function of
glycoglycerolipids in plants and bacteria, Progr. Lip. Res., 46, 225–243,
2007.
Hunter, J. E., Brandsma, J., Dymond, M. K., Koster, G., Moore, M., Postle,
A. D., Mills, R. A., and Attard, G. S.: Lipidomics of Thalassiosira pseudonana under
phosphorus stress reveal underlying phospholipid substitution dynamics and
novel diglycosylceramide substitutes, Appl. Environ.
Microb., https://doi.org/10.1128/AEM.02034-17, 2018.
Kalvelage, T., Lavik, G., Jensen, M. M., Revsbech, N. P., Löscher, C.,
Schunck, H., Desai, D. K., Hauss, H., Kiko, R., Holtappels, M., LaRoche, J.,
Schmitz, R. A., Graco, M. I., and Kuypers, M. M. M: Aerobic microbial
respiration in oceanic oxygen minimum zones, PLoS ONE, 10, e0133526, https://doi.org/10.1371/journal.pone.0133526, 2015.
Karstensen, J., Stramma, L., and Visbeck, M.: Oxygen minimum zones in the
eastern tropical Atlantic and Pacific oceans, Progr. Oceanogr., 77, 331–350,
2008.
Kato, T., Yamaguchi, Y., Hirano, T., and Yokoyama, T.: Unsaturated hydroxy
fatty acids, the self defensive substances in rice plant against rice blast
disease, Chem. Lett., 409–412, 1984.
Keeling, R. F., Körtzinger, A., and Gruber, N.: Ocean deoxygenation in a
warming world, Annu. Rev. Marine Sci., 2, 199–229, 2010.
Kharbush, J. J., Allen, A. E., Moustafa, A., Dorrestein, P. C., and Aluwihare, L.
I.: Intact polar diacylglycerol biomarker lipids isolated from suspended
particulate organic matter accumulating in an ultraoligotrophic water
column, Org. Geochem., 100, 29–41, 2016.
Lam, P. and Kuypers, M. M. M.: Microbial nitrogen cycling processes in
oxygen minimum zones, Annu. Rev. Marine Sci., 3, 317–345, 2011.
Landry, M. R., Selph, K. E., Taylor, A. G., Décima, M., Balch, W. M., and
Bidigare, R. R.: Phytoplankton growth, grazing and production balances in the
HNLC equatorial Pacific, Deep-Sea Res. Pt. I, 58, 524–535, 2011.
Lavín, M. F., Fiedler, P. C., Amador, J. A., Balance, L. T.,
Färber-Lorda, J., and Mestas-Nuñez, A. M.: A review of eastern tropical
Pacific oceanography: Summary, Progr. Oceanogr., 69, 391–398, 2006.
Lee, C. and Cronin, C.: Particulate amino acids in the sea: Effects of
primary productivity and biological decomposition, J. Mar. Res., 42,
1075–1097, 1984.
Lehninger, A. L.: Oxidation of fatty acids, in: Biochemistry, Worth, New York, 417–432, 1970.
Lengger, S. K., Hopmans, E. C., Sinninghe Damsté, J. S., and Schouten,
S.: Comparison of extraction and work up techniques for analysis of core and
intact polar tetraether lipids from sedimentary environments, Org. Geochem.,
47, 34–40, 2012.
Lin, X., Wakeham, S. G., Putnam, I. F., Astor, Y. M., Scranton, M. I.,
Chistoserdov, A. Y., and Taylor, G. T.: Comparison of vertical distributions
of prokaryotic assemblages in the anoxic Cariaco Basin and Black Sea by use
of fluorescence in situ hybridization, Appl. Environ. Microbiol., 72,
2679–2690, 2006.
Lincoln, S. A., Wai, B., Eppley, J. M., Church, M. J., Summons, R. E., and
DeLong, E. F.: Planktonic Euryarchaeota are a significant source of archaeal
tetraether lipids in the ocean, P. Natl. Acad. Sci. USA, 111, 9858–9863,
2014.
Lynch, D. V. and Dunn, T. M.: An introduction to plant sphingolipids and a
review of recent advances in understanding their metabolism and function,
New Phytol., 161, 677–702, 2004.
Ma, Y., Zeng, Y., Jiao, N., Shi, Y., and Hong, N.: Vertical distribution and
phylogenetic composition of bacteria in the Eastern Tropical North Pacific
Ocean, Microbiol. Res., 164, 624–663, 2009.
Maas, A. E., Frazar, S. L., Outram, D. M., Seibel, B. A., and Wishner, K. F.:
Fine-scale vertical distributions of macroplankton and micronekton in the
Eastern Tropical North Pacific in association with an oxygen minimum zone, J.
Plankt. Res., 36, 1557–1575, 2014.
Martin, J. H., Knauer, G. A., Karl, D. M., and Broenkow, W. W.: VERTEX:
carbon cycling in the northeast Pacific, Deep-Sea Res., 34, 267–285,
1987.
Matos, A. R. and Pham-Thi, A.-T.: Lipid deacylating enzymes in plants: Old
activities, new genes, Plant Physiol. Bioch., 47, 491–503, 2009.
Meador, T. B., Gagen, E. J., Loscar, M. E., Goldhammer, T., Yoshinaga, M.
Y., Wendt, J., Thomm, M., and Hinrichs, K.-U.: Thermococcus kodakarensis
modulates its polar membrane lipids and elemental composition according to
growth state and phosphate availability, Front. Microbiol., 5, 1–13,
https://doi.org/10.3389/fmicb.2014.00010, 2014.
Mileykovskaya, E. and Dowhan, W.: Cardiolipin membrane domains in
prokaryotes and eukaryotes, Biochim. Biophys. Acta, 1788, 2084–2091, 2009.
Morita, Y. S., Yamaryo-Botte, Y., and Miyanagi, K.: Stress-induced synthesis
of phosphatidylinositol 3-phosphate in mycobacteria, J. Biol. Chem. 285,
16643–16650, 2010.
Neal, A. C., Prahl, F. G., Eglinton, G., O'Hara, S. C. M., and Corner, E. D.
S.: Lipid changes during a planktonic feeding sequence involving unicellular
algae, Elminius Nauplii and Adult Calanus, J. Mar. Biol. Assoc. UK, 66,
1–13, 1986.
Neidleman, S. L.: Effects of temperature on lipid unsaturation,
Biotechnol. Genet. Eng. Rev., 5, 245–268, 1987.
Okuyama, H., Kogame, K., and Takeda, S.: Phylogenetic significance of the
limited distribution of octadecapentaenoic acid in prymnesiophytes and
photosynthetic dinoflagellates, Proc. NIPR Symp. Polar Biol., 6, 21–26,
1993.
Oliver, J. D. and Colwell, R. R.: Extractable lipids of gram-negative
marine bacteria: Phospholipid composition, J. Bacteriol., 114, 897–908, 1973.
Olson, M. B. and Daly, K. L.: Micro-grazer biomass, composition and
distribution across prey resource and dissolved oxygen gradients in the far
eastern tropical north Pacific Ocean, Deep-Sea Res. Pt. I, 75, 28–38, 2014.
Parsons, T. R., Takahashi, M., and Hargrave, B. (Eds.): Biological
Oceanographic Processes, 3rd edn., Pergamon Press, NY, 1984.
Paulmier, A. and Ruiz-Pino, D.: Oxygen minimum zones (OMZs) in the modern
ocean, Progr. Oceanogr., 80, 113–128, 2009.
Pennington, J. T., Mahoney, K. L., Kuwahara, V. S., Kolber, D. D., Clienes,
R., and Chavez, F. P.: Primary production in the eastern tropical Pacific: A
review, Progr. Oceanogr., 69, 285–317, 2006.
Pitcher, A., Villanueva, L., Hopmans, E. C., Schouten, S., Reichart, G.-J., and Sinninghe Damsté, J. S.:
Niche segregation of ammonia-oxidizing
archaea and anammox bacteria in the Arabian Sea oxygen minimum zone, ISME
J., 5, 1896–1904, 2011.
Podlaska, A., Wakeham, S. G., Fanning, K. A., and Taylor, G. T.: Microbial
community structure and productivity in the oxygen minimum zone of the
eastern tropical North Pacific, Deep-Sea Res. Pt. I, 66, 77–89, 2012.
Popendorf, K., Lomas, M., and Van Mooy, B.: Microbial sources of intact
polar diacylglycerolipids in the Western North Atlantic Ocean, Org. Geochem., 42, 803–811, 2011a.
Popendorf, K. J., Tanaka, T., Pujo-Pay, M., Lagaria, A., Courties, C., Conan,
P., Oriol, L., Sofen, L. E., Moutin, T., and Van Mooy, B. A. S.: Gradients in
intact polar diacylglycerolipids across the Mediterranean Sea are related to
phosphate availability, Biogeosciences, 8, 3733–3745,
https://doi.org/10.5194/bg-8-3733-2011, 2011b.
Prahl, F. G., Eglinton, G., Corner, E. D. S., O'Hara, D. C. M., and
Forsberg, T. E. V.: Changes in plant lipids during passage through the gut
of Calanus, J. Mar. Biol. Assoc. UK, 64, 317–334, 1984.
Rabinowitz, G. B.: An introduction to nonmetric multidimensional scaling,
Amer. J. Polit. Sci., 19, 343–90, 1975.
Rappé, M. S., Vergin, K., and Giovannoni, S. J.: Phylogenetic comparisons of a
coastal bacterioplankton community with its counterparts in open ocean and
freshwater systems, FEMS Microbiol. Ecol., 33, 219–232, 2000.
Rojas-Jiménez, K., Sohlenkamp, C., Geiger, O., Martínez-Romero, E.,
Werner, D., and Vinuesa, P.: A ClC chloride channel homolog and
ornithine-containing membrane lipids of rhizobium tropici CIAT899 are
involved in symbiotic efficiency and acid tolerance, Mol. Plant Microbe In.,
18, 1175–1185, 2005.
Rush, D., Wakeham, S. G., Hopmans, E. C., Schouten, S., and Damsté, J.
S. S.: Biomarker evidence for anammox in the oxygen minimum zone of the
Eastern Tropical North Pacific, Org. Geochem., 53, 80–87, 2012.
Rütters, H., Sass, H., Cypionka, H., and Rullkötter, J.:
Monoalkylether phospholipids in the sulfate-reducing bacteria Desulfosarcina
variabilis and Desulforhabdus amnigenus, Arch. Microbiol., 176, 435–442,
2001.
Schouten, S., Hopmans, E. C., Baas, M., Boumann, H., Standfest, S., Könneke,
M., Stahl, D. A., and Sinninghe Damsté, J. S.: Intact membrane lipids of
“Candidatus Nitrosopumilus maritimus”, a cultivated representative of the
cosmopolitan mesophilic Group I crenarchaeota, Appl. Environ. Microb., 74,
2433–2440, 1008.
Schouten, S., Pitcher, A., Hopmans, E. C., Villanueva, L., Van Bleijswijk,
J., and Sinninghe Damsté, J. S.: Intact polar and core glycerol
dibiphytanyl glycerol tetraether lipids in the Arabian Sea oxygen minimum
zone: I. Selective preservation and degradation in the water column and
consequences for the TEX86, Geochim. Cosmochim. Acta, 98, 228–243, 2012.
Schubotz, F., Wakeham, S. G., Lipp, J., Fredricks, H. F., and Hinrichs,
K.-U.: Detection of microbial biomass by intact polar membrane lipid analysis
in the water column and surface sediments of the Black Sea, Environ.
Microbiol., 11, 2720–2734, 2009.
Sebastian, M., Smith, A. F., González, J. M., Fredricks, H. F., Van Mooy,
B., Koblížek, M., Brandsma, J., Koster, G., Mestre, M., Mostajir,
B., Pitta, P., Postle, A. D., Sánchez, P., Gasol, J. M., Scanlan, D. J.,
and Chen, Y.: Lipid remodelling is a widespread strategy in marine
heterotrophic bacteria upon phosphorus deficiency, ISME J., 10, 968–978,
2016.
Seibel, B. A.: Critical oxygen levels and metabolic suppression in oceanic
oxygen minimum zones, J. Exp. Biol., 214, 326–336, 2011.
Seidel, M., Graue, J., Engelen, B., Köster, J., Sass, H., and
Rullkötter, J.: Advection and diffusion determine vertical distribution
of microbial communities in intertidal sediments as revealed by combined
biogeochemical and molecular biological analysis, Org. Geochem., 52,
114–129, 2012.
Shanks, A. L. and Reeder, M. L.: Reducing microzones and sulfide production
in marine snow, Mar. Ecol. Prog. Ser. 96, 43–47, 1993.
Siegenthaler, P.-A.: Molecular organization of acyl lipids in photosynthetic
membranes of higher plants, in: Lipids in Photosynthesis, edited by:
Siegenthaler, P.-A. and Murata, N., Kluwer Academic Publishers, Dordrecht,
the Netherlands, 119–144, 1998.
Sohlenkamp, C., López-Lara, I. M., and Geiger, O.: Biosynthesis of
phosphatidylcholine in bacteria, Progr. Lip. Res., 42, 115–162, 2003.
Sollai, M., Hopmans, E. C., Schouten, S., Keil, R. G., and Sinninghe Damsté,
J. S.: Intact polar lipids of Thaumarchaeota and anammox bacteria as
indicators of N cycling in the eastern tropical North Pacific
oxygen-deficient zone, Biogeosciences, 12, 4725–4737,
https://doi.org/10.5194/bg-12-4725-2015, 2015.
Stramma, L., Johnson, G. C., Sprintall, J., and Mohrholz, V.: Expanding
Oxygen-Minimum Zones in the Tropical Oceans, Science, 320, 655–658, 2008.
Stramma, L., Schmidtko, S., Levin, L. A., and Johnson, G. C.: Ocean oxygen
minima expansions and their biological impacts, Deep-Sea Res. Pt. I, 57,
587–595, 2010.
Sturt, H. F., Summons, R. E., Smith, K. E., Elvert, M., and Hinrichs, K.-U.:
Intact polar membrane lipids in prokaryotes and sediments deciphered by
high-performance liquid chromatography/electrospray ionization multistage
mass spectrometry – new biomarkers for biogeochemistry and microbial
ecology, Rapid Comm. Mass Spec., 18, 617–628, 2004.
Taylor, G. T., Iabichella, M., Ho, T.-Y., Scranton, M. I., Thunell, R. C.,
Muller-Karger, F., and Varela, R.: Chemoautotrophy in the redox transition
zone of the Cariaco Basin: A significan midwater source of organic carbon
production, Limol. Oceanogr., 46, 148–163, 2001.
Tiano, L., Garcia-Robledo, E., Dalsgaard, T., Devol, A. H., Ward, B. B.,
Ulloa, O., Canfield, D. E., and Revsbech, N. P.: Oxygen distribution and
aerobic respiration in the north and south eastern tropical Pacific oxygen
minimum zones, Deep-Sea Res. Pt. I, 94, 173–183, 2014.
Ulloa, O., Canfield, D., DeLong, E. F., Letelier, R. M., and Stewart, F. J.:
Microbial oceanography of anoxic oxygen minimum zones, P. Natl. Acad.
Sci. USA, 109, 15996–16003, 2012.
Valentine, R. C. and Valentine, D. L.: Omega-3 fatty acids in cellular
membranes: a unified concept, Progr. Lip. Res., 43, 383–402, 2004.
Van Mooy, B. A. S. and Fredricks, H. F.: Bacterial and eukaryotic intact
polar lipids in the eastern subtropical South Pacific: Water-column
distribution, planktonic sources, and fatty acid composition, Geochim.
Cosmochim. Acta, 74, 6499–6516, 2010.
Van Mooy, B. A. S., Rocap, G., Fredricks, H. F., Evans, C. T., and Devol, A.
H.: Sulfolipids dramatically decrease phosphorus demand by picocyanobacteria
in oligotrophic marine environments, P. Natl. Acad. Sci. USA, 103,
8607–8612, 2006.
Van Mooy, B. A. S., Fredricks, H. F., Pedler, B. E., Dyhrman, S. T., Karl,
D. M., Koblížek, M., Lomas, M. W., Mincer, T. J., Moore, L. R.,
Moutin, T., Rappé, M. S., and Webb, E. A.: Phytoplankton in the ocean
use non-phosphorus lipids in response to phosphorus scarcity, Nature, 458,
69–72, 2009.
Vardi, A., Van Mooy, B. A. S., Fredricks, H. F., Popendorf, K. J.,
Ossolinski, J. E., Haramty, L., and Bidle, K. D.: Viral glycosphingolipids
induce lytic infection and cell death in marine phytoplankton, Science, 326,
861–865, 2009.
Wada, H. and Murata, N.: Membrane Lipids in cyanobacteria, in: Lipids in
Photosynthesis: Structure, Function and Genetics, edited by: Siegenthaler, P. and
Murata, N., Kluwer Academic Publishers, Dordrecht, the Netherlands, 65–81, 1998.
Wakeham, S. G.: Steroid geochemistry in the oxygen minimum zone of the
eastern tropical North Pacific Ocean, Geochim. Cosmochim. Acta, 51,
3051–3069, 1987.
Wakeham, S. G.: Reduction of stenols to stanols in particulate matter at
oxic-anoxic boundaries in sea water, Nature, 342, 787–790, 1989.
Wakeham. S. G.: Monocarboxylic, dicarboxylic and hydroxy acids released by
sequential treatments of suspended particles and sediments of the Black Sea,
Org. Geochem., 30, 1059–1074, 1999.
Wakeham, S. G. and Canuel, E. A.: Organic geochemistry of particulate
matter in the eastern tropical North Pacific Ocean: Implications for
particle dynamics, J. Mar. Res., 46, 182–213, 1988.
Wakeham, S. G., Amann, R., Freeman, K. H., Hopmans, E. C., Jørgensen, B.
B., Putnam, I. F., Schouten, S., Sinninghe Damsté, J. S., Talbot, H. M.,
and Woebken, D.: Microbial ecology of the stratified water column of the
Black Sea as revealed by a comprehensive biomarker study, Org. Geochem., 38,
2070–2097, 2007.
Wakeham, S. G., Turich, C., Schubotz, F., Podlaska, A., Li, X. N., Varela,
R., Astor, Y., Sáenz, J. P., Rush, D., Sinninghe Damsté, J. S.,
Summons, R. E., Scranton, M. I., Taylor, G. T., and Hinrichs, K.-U.:
Biomarkers, chemistry and microbiology show chemoautotrophy in a multilayer
chemocline in the Cariaco Basin, Deep Sea Res. Pt. I, 63, 133–156, 2012.
White, D. A., Widdicombe, C. E., Somerfield, P. J., Airs, R. L., Tarran, G. A.,
Maud, J. L., and Atkinson, A.: The combined effects of seasonal community
succession and adaptive algal physiology on lipid profiles of coastal
phytoplankton in the Western English Channel, Mar. Chem., 177, 6380–652, 2015.
Williams, R. L., Wakeham, S., McKinney, R., and Wishner, K. F.: Trophic ecology
and vertical patterns of carbon and nitrogen stable isotopes in zooplankton
from oxygen minimum zone regions, Deep-Sea Res. Pt. I, 90, 36–47, 2014.
Wishner, K. F., Outram, D. M., Seibel, B. A., Daly, K. L., and Williams, R.
L.: Zooplankton in the eastern tropical north Pacific: Boundary effects of
oxygen minimum zone expansion, Deep-Sea Res. Pt. I, 79, 122–140, 2013.
Woebken, D., Fuchs, B. M., Kuypers, M. M. M, and Aman, R.: Potential
interactions of particle-associated anammox bacteria with bacterial and
archaeal partners in the Namibian upwelling system, Appl. Environ.
Microbiol., 73, 4648–4657, 2007.
Wörmer, L., Lipp, J. S., Schröder, J. M., and Hinrichs, K.-U.:
Application of two new LC-ESI-MS methods for improved detection of intact
polar lipids (IPLs) in environmental samples, Org. Geochem., 59, 10–21,
2013.
Wright, J. J., Konwar, K. M., and Hallam, S. J: Microbial ecology of
expanding oxygen minimum zones, Nat. Rev. Microbiol., 10, 381–394, 2012.
Xie, S., Liu, X.-L., Schubotz, F., Wakeham, S. G., and Hinrichs, K.-U.:
Distribution of glcerol ether lipids in the oxygen minimum zone of the
Easter Tropical North Pacific Ocean, Org. Geochem., 71, 60–71, 2014.
Yao, M., Elling, F. J., Jones, C., Nomosatryo, S., Long, C. P., Crowe, S.
A., Antoniewicz, M. R., Hinrichs, K.-U., and Maresca, J. A.: Heterotrophic
bacteria from an extremely phosphate-poor lake have conditionally reduced
phosphorus demand and utilize diverse sources of phosphorus, Environ.
Microbiol., 18, 656–667, 2015.
Zhang, Y.-M. and Rock, C. O.: Membrane lipid homeostasis in bacteria, Nat.
Rev. Microbiol., 6, 222–233, 2008.
Zhu, C., Wakeham, S. G., Elling, F. J., Basse, A., Mollenhauer, G.,
Versteegh, G. J. M., Könneke, M., and Hinrichs, K.-U.: Stratification of
archaeal membrane lipids in the ocean and implications for adaptation and
chemotaxonomy of planktonic archaea, Environ. Microbiol., 18, 4324–4336,
2016.
Short summary
Organisms living in natural environments have to cope with constantly fluctuating conditions in order to compete and survive. Hereby, membrane lipids may play an integral role. This study demonstrates that the lipid repertoire and lipid modifications in marine picoplankton living in oxygen minimum zones may be larger than previously thought. The abundant presence of non-phosphorus lipids hint at nutrient limitation within deeper depths of the ocean, even though these are not considered as such.
Organisms living in natural environments have to cope with constantly fluctuating conditions in...
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