Articles | Volume 7, issue 10
https://doi.org/10.5194/bg-7-3083-2010
© Author(s) 2010. 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-7-3083-2010
© Author(s) 2010. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
13 Oct 2010
The last glacial-interglacial cycle in Lake Ohrid (Macedonia/Albania): testing diatom response to climate
J. M. Reed
Department of Geography, University of Hull, Cottingham Rd., Hull HU6 7RX, UK
A. Cvetkoska
Institute of Biology, Faculty of Natural Sciences, Gazi Baba bb, 1000 Skopje, Republic of Macedonia
Z. Levkov
Institute of Biology, Faculty of Natural Sciences, Gazi Baba bb, 1000 Skopje, Republic of Macedonia
H. Vogel
University of Cologne, Institute of Geology and Mineralogy, 50674 Cologne, Germany
B. Wagner
University of Cologne, Institute of Geology and Mineralogy, 50674 Cologne, Germany
Related subject area
Biodiversity and Ecosystem Function: Paleo
Comment on “The Volyn biota (Ukraine) – indications of 1.5 Gyr old eukaryotes in 3D preservation, a spotlight on the `boring billion' ” by Franz et al. (2023)
Rates of palaeoecological change can inform ecosystem restoration
Reply to Comment on Franz et al. (2023): A reinterpretation of the 1.5 billion year old Volyn ‘biota’ of Ukraine, and discussion of the evolution of the eukaryotes, by Head et al. (2023)
Ecological evolution in northern Iberia (SW Europe) during the Late Pleistocene through isotopic analysis on ungulate teeth
Paleoecology and evolutionary response of planktonic foraminifera to the mid-Pliocene Warm Period and Plio-Pleistocene bipolar ice sheet expansion
Late Neogene evolution of modern deep-dwelling plankton
Photosynthetic activity in Devonian Foraminifera
Microbial activity, methane production, and carbon storage in Early Holocene North Sea peats
Planktonic foraminifera-derived environmental DNA extracted from abyssal sediments preserves patterns of plankton macroecology
Ecosystem regimes and responses in a coupled ancient lake system from MIS 5b to present: the diatom record of lakes Ohrid and Prespa
Metagenomic analyses of the late Pleistocene permafrost – additional tools for reconstruction of environmental conditions
Differential resilience of ancient sister lakes Ohrid and Prespa to environmental disturbances during the Late Pleistocene
Stable isotope study of a new chondrichthyan fauna (Kimmeridgian, Porrentruy, Swiss Jura): an unusual freshwater-influenced isotopic composition for the hybodont shark Asteracanthus
Amelioration of marine environments at the Smithian–Spathian boundary, Early Triassic
Weathering by tree-root-associating fungi diminishes under simulated Cenozoic atmospheric CO2 decline
The impact of land-use change on floristic diversity at regional scale in southern Sweden 600 BC–AD 2008
Climate-related changes in peatland carbon accumulation during the last millennium
Stratigraphy and paleoenvironments of the early to middle Holocene Chipalamawamba Beds (Malawi Basin, Africa)
Experimental mineralization of crustacean eggs: new implications for the fossilization of Precambrian–Cambrian embryos
Martin J. Head, James B. Riding, Jennifer M. K. O'Keefe, Julius Jeiter, and Julia Gravendyck
Biogeosciences, 21, 1773–1783, https://doi.org/10.5194/bg-21-1773-2024, https://doi.org/10.5194/bg-21-1773-2024, 2024
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A diverse suite of “fossils” associated with the ~1.5 Ga Volyn (Ukraine) kerite was published recently. We show that at least some of them represent modern contamination including plant hairs, pollen, and likely later fungal growth. Comparable diversity is shown to exist in moderm museum dust, calling into question whether any part of the Volyn biota is of biological origin while emphasising the need for scrupulous care in collecting, analysing, and identifying Precambrian microfossils.
Walter Finsinger, Christian Bigler, Christoph Schwörer, and Willy Tinner
Biogeosciences, 21, 1629–1638, https://doi.org/10.5194/bg-21-1629-2024, https://doi.org/10.5194/bg-21-1629-2024, 2024
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Rate-of-change records based on compositional data are ambiguous as they may rise irrespective of the underlying trajectory of ecosystems. We emphasize the importance of characterizing both the direction and the rate of palaeoecological changes in terms of key features of ecosystems rather than solely on community composition. Past accelerations of community transformation may document the potential of ecosystems to rapidly recover important ecological attributes and functions.
Gerhard Franz, Vladimir Khomenko, Peter Lyckberg, Vsevolod Chornousenko, and Ulrich Struck
EGUsphere, https://doi.org/10.5194/egusphere-2024-217, https://doi.org/10.5194/egusphere-2024-217, 2024
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The Volyn biota (Ukraine), previously assumed to be an extreme case of natural, abiotic synthesis of organic matter, is more likely a diverse assemblage of fossils from the deep biosphere. Although contamination by modern organisms cannot completely be ruled out, it is unlikely, considering all aspects, i. e. their mode of occurrence in the deep biosphere, their fossilization and mature state of organic matter, their isotope signature, and their large morphological diversity.
Monica Fernández-Garcia, Sarah Pederzani, Kate Britton, Lucia Agudo-Pérez, Andrea Cicero, Jeanne Geiling, Joan Daura, Montse Sanz-Borrás, and Ana B. Marín-Arroyo
Biogeosciences Discuss., https://doi.org/10.5194/bg-2023-128, https://doi.org/10.5194/bg-2023-128, 2023
Revised manuscript accepted for BG
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Significant climatic changes affected Europe's landscape, animals, and human groups during the Late Pleistocene. Reconstructing the local conditions humans faced is essential to understand adaptation processes and resilience. This study analyzed the chemical composition of animal teeth consumed by humans in northern Iberia, spanning 80,000 to 15,000 years, revealing the ecological changing conditios.
Adam Woodhouse, Frances A. Procter, Sophie L. Jackson, Robert A. Jamieson, Robert J. Newton, Philip F. Sexton, and Tracy Aze
Biogeosciences, 20, 121–139, https://doi.org/10.5194/bg-20-121-2023, https://doi.org/10.5194/bg-20-121-2023, 2023
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This study looked into the regional and global response of planktonic foraminifera to the climate over the last 5 million years, when the Earth cooled significantly. These single celled organisms exhibit the best fossil record available to science. We document an abundance switch from warm water to cold water species as the Earth cooled. Moreover, a closer analysis of certain species may indicate higher fossil diversity than previously thought, which has implications for evolutionary studies.
Flavia Boscolo-Galazzo, Amy Jones, Tom Dunkley Jones, Katherine A. Crichton, Bridget S. Wade, and Paul N. Pearson
Biogeosciences, 19, 743–762, https://doi.org/10.5194/bg-19-743-2022, https://doi.org/10.5194/bg-19-743-2022, 2022
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Deep-living organisms are a major yet poorly known component of ocean biomass. Here we reconstruct the evolution of deep-living zooplankton and phytoplankton. Deep-dwelling zooplankton and phytoplankton did not occur 15 Myr ago, when the ocean was several degrees warmer than today. Deep-dwelling species first evolve around 7.5 Myr ago, following global climate cooling. Their evolution was driven by colder ocean temperatures allowing more food, oxygen, and light at depth.
Zofia Dubicka, Maria Gajewska, Wojciech Kozłowski, Pamela Hallock, and Johann Hohenegger
Biogeosciences, 18, 5719–5728, https://doi.org/10.5194/bg-18-5719-2021, https://doi.org/10.5194/bg-18-5719-2021, 2021
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Benthic foraminifera play a significant role in modern reefal ecosystems mainly due to their symbiosis with photosynthetic microorganisms. Foraminifera were also components of Devonian stromatoporoid coral reefs; however, whether they could have harbored symbionts has remained unclear. We show that Devonian foraminifera may have stayed photosynthetically active, which likely had an impact on their evolutionary radiation and possibly also on the functioning of Paleozoic shallow marine ecosystems.
Tanya J. R. Lippmann, Michiel H. in 't Zandt, Nathalie N. L. Van der Putten, Freek S. Busschers, Marc P. Hijma, Pieter van der Velden, Tim de Groot, Zicarlo van Aalderen, Ove H. Meisel, Caroline P. Slomp, Helge Niemann, Mike S. M. Jetten, Han A. J. Dolman, and Cornelia U. Welte
Biogeosciences, 18, 5491–5511, https://doi.org/10.5194/bg-18-5491-2021, https://doi.org/10.5194/bg-18-5491-2021, 2021
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This paper is a step towards understanding the basal peat ecosystem beneath the North Sea. Plant remains followed parallel sequences. Methane concentrations were low with local exceptions, with the source likely being trapped pockets of millennia-old methane. Microbial community structure indicated the absence of a biofilter and was diverse across sites. Large carbon stores in the presence of methanogens and in the absence of methanotrophs have the potential to be metabolized into methane.
Raphaël Morard, Franck Lejzerowicz, Kate F. Darling, Béatrice Lecroq-Bennet, Mikkel Winther Pedersen, Ludovic Orlando, Jan Pawlowski, Stefan Mulitza, Colomban de Vargas, and Michal Kucera
Biogeosciences, 14, 2741–2754, https://doi.org/10.5194/bg-14-2741-2017, https://doi.org/10.5194/bg-14-2741-2017, 2017
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The exploitation of deep-sea sedimentary archive relies on the recovery of mineralized skeletons of pelagic organisms. Planktonic groups leaving preserved remains represent only a fraction of the total marine diversity. Environmental DNA left by non-fossil organisms is a promising source of information for paleo-reconstructions. Here we show how planktonic-derived environmental DNA preserves ecological structure of planktonic communities. We use planktonic foraminifera as a case study.
Aleksandra Cvetkoska, Elena Jovanovska, Alexander Francke, Slavica Tofilovska, Hendrik Vogel, Zlatko Levkov, Timme H. Donders, Bernd Wagner, and Friederike Wagner-Cremer
Biogeosciences, 13, 3147–3162, https://doi.org/10.5194/bg-13-3147-2016, https://doi.org/10.5194/bg-13-3147-2016, 2016
Elizaveta Rivkina, Lada Petrovskaya, Tatiana Vishnivetskaya, Kirill Krivushin, Lyubov Shmakova, Maria Tutukina, Arthur Meyers, and Fyodor Kondrashov
Biogeosciences, 13, 2207–2219, https://doi.org/10.5194/bg-13-2207-2016, https://doi.org/10.5194/bg-13-2207-2016, 2016
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A comparative analysis of the metagenomes from two 30,000-year-old permafrost samples, one of lake-alluvial origin and the other from late Pleistocene Ice Complex sediments, revealed significant differences within microbial communities. The late Pleistocene Ice Complex sediments (which are characterized by the absence of methane with lower values of redox potential and Fe2+ content) showed both a low abundance of methanogenic archaea and enzymes from the carbon, nitrogen, and sulfur cycles.
Elena Jovanovska, Aleksandra Cvetkoska, Torsten Hauffe, Zlatko Levkov, Bernd Wagner, Roberto Sulpizio, Alexander Francke, Christian Albrecht, and Thomas Wilke
Biogeosciences, 13, 1149–1161, https://doi.org/10.5194/bg-13-1149-2016, https://doi.org/10.5194/bg-13-1149-2016, 2016
L. Leuzinger, L. Kocsis, J.-P. Billon-Bruyat, S. Spezzaferri, and T. Vennemann
Biogeosciences, 12, 6945–6954, https://doi.org/10.5194/bg-12-6945-2015, https://doi.org/10.5194/bg-12-6945-2015, 2015
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We measured the oxygen isotopic composition of Late Jurassic chondrichthyan teeth (sharks, rays, chimaeras) from the Swiss Jura to get ecological information. The main finding is that the extinct shark Asteracanthus (Hybodontiformes) could inhabit reduced salinity areas, although previous studies on other European localities always resulted in a clear marine isotopic signal for this genus. We propose a mainly marine ecology coupled with excursions into areas of lower salinity in our study site.
L. Zhang, L. Zhao, Z.-Q. Chen, T. J. Algeo, Y. Li, and L. Cao
Biogeosciences, 12, 1597–1613, https://doi.org/10.5194/bg-12-1597-2015, https://doi.org/10.5194/bg-12-1597-2015, 2015
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The Smithian--Spathian boundary was a key event in the recovery of marine environments and ecosystems following the end-Permian mass extinction ~1.5 million years earlier. Our analysis of the Shitouzhai section in South China reveals major changes in oceanographic conditions at the SSB intensification of oceanic circulation leading to enhanced upwelling of nutrient- and sulfide-rich deep waters and coinciding with an abrupt cooling that terminated the Early Triassic hothouse climate.
J. Quirk, J. R. Leake, S. A. Banwart, L. L. Taylor, and D. J. Beerling
Biogeosciences, 11, 321–331, https://doi.org/10.5194/bg-11-321-2014, https://doi.org/10.5194/bg-11-321-2014, 2014
D. Fredh, A. Broström, M. Rundgren, P. Lagerås, F. Mazier, and L. Zillén
Biogeosciences, 10, 3159–3173, https://doi.org/10.5194/bg-10-3159-2013, https://doi.org/10.5194/bg-10-3159-2013, 2013
D. J. Charman, D. W. Beilman, M. Blaauw, R. K. Booth, S. Brewer, F. M. Chambers, J. A. Christen, A. Gallego-Sala, S. P. Harrison, P. D. M. Hughes, S. T. Jackson, A. Korhola, D. Mauquoy, F. J. G. Mitchell, I. C. Prentice, M. van der Linden, F. De Vleeschouwer, Z. C. Yu, J. Alm, I. E. Bauer, Y. M. C. Corish, M. Garneau, V. Hohl, Y. Huang, E. Karofeld, G. Le Roux, J. Loisel, R. Moschen, J. E. Nichols, T. M. Nieminen, G. M. MacDonald, N. R. Phadtare, N. Rausch, Ü. Sillasoo, G. T. Swindles, E.-S. Tuittila, L. Ukonmaanaho, M. Väliranta, S. van Bellen, B. van Geel, D. H. Vitt, and Y. Zhao
Biogeosciences, 10, 929–944, https://doi.org/10.5194/bg-10-929-2013, https://doi.org/10.5194/bg-10-929-2013, 2013
B. Van Bocxlaer, W. Salenbien, N. Praet, and J. Verniers
Biogeosciences, 9, 4497–4512, https://doi.org/10.5194/bg-9-4497-2012, https://doi.org/10.5194/bg-9-4497-2012, 2012
D. Hippler, N. Hu, M. Steiner, G. Scholtz, and G. Franz
Biogeosciences, 9, 1765–1775, https://doi.org/10.5194/bg-9-1765-2012, https://doi.org/10.5194/bg-9-1765-2012, 2012
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