ArticleEcology and evolution2026
Historical Contingency Drives Freshwater Microbial Community Assembly Across Successional Time.
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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5 authors.
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Abstract
Microbial community assembly is governed by the interplay among historical contingency, environmental selection, and dispersal, yet their relative importance and temporal dynamics remain poorly resolved, particularly in freshwater ecosystems. Most previous studies have examined these drivers in isolation, limiting our ability to predict microbial community trajectories under changing environmental and dispersal regimes. Here, we conducted a 60-day full-factorial reciprocal transplant microcosm experiment using freshwater bacterial communities, manipulating historical source communities, environmental media, and the intensity of external immigration (ambient vs. enhanced). Bacterial community dynamics were tracked at early (day 13) and late (day 60) successional stages using 16S rRNA gene amplicon sequencing. We found that relative dispersal limitation strongly influenced community assembly during early succession, with higher immigration rates increasing alpha diversity (e.g., ASV richness
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