期刊
BIOLOGY BULLETIN
卷 48, 期 6, 页码 793-799出版社
PLEIADES PUBLISHING INC
DOI: 10.1134/S106235902106008X
关键词
phytoplankton; predictive model; global climate change; ice-free period; large rivers; East Siberia
类别
资金
- [0297-2021-0026]
- [AAAA-A21-121012190036-6]
- [0297-20210023]
- [AAAA-A21-121012190038-0]
The predictive modeling of phytoplankton transformation in large East Siberian rivers under global climate changes suggested potential increases in phytoplankton abundance, invasive species, decrease in cell size, and reduction in monotypic taxa. The rivers' aquatic ecosystems have been minimally impacted, allowing for evaluation of climate change effects on phytoplankton rather than local anthropogenic factors.
Predictive modeling of phytoplankton transformation in large East Siberian rivers in response to global climate changes was performed. Artificial neural networks and the space-for-time substitution approach have been applied to our analysis. As a result, we determined that, under the trend towards an increase in the ice-free period on subarctic rivers, the likely response of planktonic algae communities will be (1) an increase in the phytoplankton abundance and risk of algal bloom, (2) an increase in the number of species due to invasions, (3) a decrease in the phytoplankton cell size, and (4) reduction in the number of monotypic taxa in the flora. The aquatic ecosystems of the rivers studied by us are still largely non-impact. This allowed us to evaluate the effect of climate change on phytoplankton, rather than local anthropogenic factors.
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