Drivers of phytoplankton community structure change with ecosystem ontogeny during the Quaternary
Cvetkoska, Aleksandra; Jovanovska, Elena; Hauffe, Torsten; Donders, Timme H.; Levkov, Zlatko; Van de Waal, Dedmer B.; Reed, Jane M.; Francke, Alexander; Vogel, Hendrik; Wilke, Thomas; Wagner, Bernd; Wagner-Cremer, Friederike
(2021) Quaternary Science Reviews, volume 265, pp. 1 - 10
(Article)
Abstract
Freshwater species are particularly sensitive to climate fluctuations, but little is known of their response to the large-scale environmental change that took place during the Quaternary. This is partly due to the scarcity of continuously preserved freshwater sedimentary records with orbital chronology. We use a 1.363 Ma high-resolution fossil record
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of planktonic diatoms from ancient Lake Ohrid to evaluate the role of global and regional versus local-scale environmental change in driving temporal community dynamics. By using a Bayesian joint species distribution model, we found that communities were mostly driven by the local-scale environment. Its effects decreased over time, becoming less important than global and regional environment at the onset of the penultimate glacial, 0.183 Ma. Global and regional control over the environment became important with successive deepening of the lake at around 1.0 Ma, and its influence remained persistent until the present. Our high-resolution data demonstrate the critical role of lake depth and its thermal dynamics in determining phytoplankton response to environmental change by influencing lake mixing, nutrient and light availability. With this study we demonstrate the relative impact of various environmental factors and their scale-dependant effect on the phytoplankton communities during the Quaternary, emphasizing the importance of not only considering climate fluctuations in driving their structure and temporal dynamics but also the local environment.
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Keywords: Community temporal dynamics, Diatoms, Environmental change, Lake Ohrid, Global and Planetary Change, Ecology, Evolution, Behavior and Systematics, Archaeology, Archaeology, Geology
ISSN: 0277-3791
Publisher: Elsevier Limited
Note: Funding Information: This work is partly funded by the research programme Earth and Life Sciences with project number ALWOP.465, financed by the Dutch Research Council ( NWO ). E.J. is funded by the German Research Foundation ( DFG ), grant number JO 1731/1-1 . T.H. received funding from the Swiss National Science Foundation ( FN-1749 ). The SCOPSCO drilling project was funded by the International Continental Scientific Drilling Program (ICDP; 03–2009), the German Ministry of Higher Education and Research (BMBF; 03G0825A ), the German Research Foundation ( DFG ; WI 1902/8 , WI 1902/13 and WA 2109/11 , WA 2109/13 ), the University of Cologne , the British Geological Survey ( IP-1579-1115 ), the Italian Consiglio Nazionale delle Ricerche (CNR), the Swiss National Science Foundation ( PCEFP3_187012 ; FN-1749 ), the Swedish Research Council ( 2019–04739 ), and the governments of the republics of North Macedonia and Albania. Drilling was carried out by Drilling, Observation, and Sampling of the Earth's Continental Crust (DOSECC). We thank J. Niku and F. Hui for advises on JSDM. Computational resources were provided by the BMBF-funded de.NBI Cloud within the German Network for Bioinformatics Infrastructure (de.NBI). The authors declare no conflict of interest. Publisher Copyright: © 2020 The Author(s)
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