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Modelling the impact of higher temperature on the phytoplankton of a boreal lake

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Pätynen, A., Elliott, J., Kiuru, P., Sarvala, J., Ventelä, A., & Jones, R. (2014). Modelling the impact of higher temperature on the phytoplankton of a boreal lake. BOREAL ENVIRONMENT RESEARCH, 19 (1), 66-78. Retrieved from http://www.borenv.net/BER/pdfs/ber19/ber19-066.pdf
Published in
Boreal Environment Research
Authors
Pätynen, Anita |
Elliott, J. Alex |
Kiuru, Petri |
Sarvala, Jouko |
Ventelä, Anne-Mari |
Jones, Roger
Date
2014
Discipline
Akvaattiset tieteet

 
We linked the models PROTECH and MyLake to test potential impacts of climate-changeinduced warming on the phytoplankton community of Pyhäjärvi, a lake in southwest Finland. First, we calibrated the models for the present conditions, which revealed an apparent high significance of internal nutrient loading for Pyhäjärvi. We then estimated the effect of two climate change scenarios on lake water temperatures and ice cover duration with MyLake. Finally, we used those outputs to drive PROTECH to predict the resultant phytoplankton community. It was evident that cyanobacteria will grow significantly better in warmer water, especially in the summer. Even if phosphorus and nitrogen loads to the lake remain the same and there is little change in the total chlorophyll a concentrations, a higher proportion of the phytoplankton community could be dominated by cyanobacteria. The model outputs provided no clear evidence that earlier ice break would advance the timing of the diatom spring bloom. ...
Publisher
Boreal Environment Research Publishing Board
ISSN Search the Publication Forum
1239-6095
Keywords
Higher temperature phytoplankton boreal lake kasviplankton

Original source
http://www.borenv.net/BER/pdfs/ber19/ber19-066.pdf

URI

http://urn.fi/URN:NBN:fi:jyu-201403151351

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