Environmental Studies and Forestry

Disruption of ecological networks in lakes by climate change and nutrient fluctuations

E. Merz, E. Saberski, et al.

This study by Ewa Merz and colleagues reveals how climate change and nutrient fluctuations are reshaping plankton interactions in Swiss lakes, highlighting a shift from top-down to bottom-up control among these vital aquatic communities. Discover the delicate balance affected by warming waters and phosphorus levels.

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Abstract

This study investigates the impact of climate change and nutrient fluctuations on plankton community interactions in ten Swiss lakes using an equation-free modeling approach. The research shows that the number and strength of plankton interactions respond nonlinearly to water temperature and phosphorus levels. Warming generally reduces network interactions, especially under high phosphate levels, shifting trophic control from top-down to bottom-up. Small grazers and cyanobacteria are identified as sensitive indicators of these changes.

Publisher

Nature Climate Change

Published On

Apr 01, 2023

Authors

Ewa Merz, Erik Saberski, Luis J. Gilarranz, Peter D. F. Isles, George Sugihara, Christine Berger, Francesco Pomati

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