ArticleFrontiers in microbiology2026
Spatial biogeography of microbes in soils vs. aquatic ecosystems in U.S.'s major natural biomes.
Article in Frontiers in microbiology, 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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Abstract
Introduction: Microbial macroecology has gained recognition as a critical component of microbial ecology. Using data from the National Ecological Observatory Network (NEON), this study examined the spatial patterns of microbial abundance and their environmental controls in soil and aquatic ecosystems across major natural biomes in the United States. Methods: Microbial cell density in aquatic ecosystems and soil microbial biomass carbon in terrestrial ecosystems were analyzed, and their relationships with environmental variables were evaluated using correlation analyses. Results: In aquatic ecosystems, microbial cell density ranged from 1.8 × Discussion: In aquatic systems, cell density increased with specific conductance and water temperature but decreased where dissolved oxygen was high. In terrestrial ecosystems, biomass was higher in soils with greater soil nitrogen content, soil carbon content, and moisture, indicating that nutrient-rich and humid environments favored microbial growth. In contrast, abundances declined in warmer and more alkaline soils. These biogeographic patterns show divergent environmental factors driving microbial abundance in various ecosystems, reflecting high microbial adaptation to surrounding physical and chemical conditions.
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