ArticleCommunications biology2025
Interactive and unimodal relationships between plant biomass, abiotic factors, and plant diversity in global grasslands.
Article in Communications biology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Effects of Climatic Factors and Disturbance on Plant Above-Ground Biomass and Species Diversity of Chinese Grasslands: A Meta-Analysis.Ecology and evolution · 2026Article
- Assessing the influence of environmental gradients on grassland aboveground biomass density estimation using GEDI and multi-source remote sensing.Scientific reports · 2026Article
- Plant species richness response to atmospheric nitrogen deposition across bedrock types in the United States and Czechia.Ecosphere (Washington, D.C) · 2026Article
- Intense solar radiation constrains plant species richness in global grasslands.Proceedings of the National Academy of Sciences of the United States of America · 2026Article
- Interactive and unimodal relationships between plant biomass, abiotic factors, and plant diversity in global grasslands.Communications biology · 2025Article
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Authors and funding
28 authors.
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Abstract
Grasslands cover approximately a third of the Earth's land surface and account for about a third of terrestrial carbon storage. Yet, we lack strong predictive models of grassland plant biomass, the primary source of carbon in grasslands. This lack of predictive ability may arise from the assumption of linear relationships between plant biomass and the environment and an underestimation of interactions of environmental variables. Using data from 116 grasslands on six continents, we show unimodal relationships between plant biomass and ecosystem characteristics, such as mean annual precipitation and soil nitrogen. Further, we found that soil nitrogen and plant diversity interacted in their relationships with plant biomass, such that plant diversity and biomass were positively related at low levels of nitrogen and negatively at elevated levels of nitrogen. Our results show that it is critical to account for the interactive and unimodal relationships between plant biomass and several environmental variables to accurately include plant biomass in global vegetation and carbon models.
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