ArticleEcology and evolution2026
What Drives the Changing Characteristics of Plankton in Floodplain Lakes: Season, Environmental Factors, or Lake Characteristics?
Article in Ecology and evolution, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
7 authors.
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Abstract
The floodplain lake ecosystem is one of the most biodiverse ecosystems on Earth. Its water level changes with seasonal floods. These periodic water level fluctuations have far-reaching impacts on ecosystem structure and function. Systematic understanding of the structural characteristics of plankton communities in floodplain lakes, the long-term coupled effects of environmental variables, and multi-pathway action mechanisms will facilitate the accurate revelation of plankton adaptation strategies in dynamic hydrological environments. This study investigated the structure, taxonomic and functional diversity, community assembly, and niche differentiation of plankton communities in floodplain lakes in the middle and lower reaches of the Yangtze River during dry and flood seasons to identify key driving factors and coupled environmental effects. The results showed that plankton communities were consistently dominated by Cyanobacteria, Chlorophyta, Bacillariophyta, Cryptophyta, and Rotifera across four lake types, although their relative contributions varied markedly with hydrological season and lake type. Plankton density and taxonomic α-diversity were significantly higher in the flood season, whereas both taxonomic and functional β-diversity were lower, indicating enhanced community homogenization under high hydrological connectivity. Taxonomic β-diversity was primarily driven by species turnover, while functional β-diversity was dominated by nestedness, suggesting substantial functional redundancy among lakes. Neutral community models showed poor fit (
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