Anhui Agricultural Science Bulletin >
2025 , Vol. 31 >Issue 13: 87 - 90
DOI: https://doi.org/10.16377/j.cnki.issn1007-7731.2025.13.021
Research on the relationship between forest biodiversity and ecosystem functions along a geographic gradient
Received date: 2024-12-18
Online published: 2025-07-17
Research on the relationship between forest biodiversity and ecosystem functioning (BEF) is a key direction in the field of ecology. The current research on forest biodiversity-ecosystem functioning relationships along geographic gradients from biodiversity-BEF relationships, effects of geographic gradients on biodiversity, and forest BEF relationships along geographic gradients was reviewed. The biodiversity-BEF relationship primarily encompasses: species diversity-single BEF relationships; multi-scale and multi-dimensional biodiversity effects on ecosystem functioning; and forest biodiversity-ecosystem multifunctionality relationships. Specifically, plant diversity influences soil ecological functions through various pathways (e.g., altering enzyme activity, optimizing soil structure, regulating element cycling). Different dimensions of biodiversity (e.g., functional diversity, phylogenetic diversity, α/β-diversity) exert varying effects on ecosystem functioning across spatial scales (local, regional). Forest biodiversity indirectly affects ecosystem multifunctionality through factors like mean annual temperature, precipitation, and soil pH.Geographic gradients (altitude, latitude) significantly impact plant species diversity by altering environmental factors such as soil nutrients, temperature, and precipitation. The relationship between altitude gradients and forest plant species diversity manifests in five patterns: negative correlation, positive correlation, mid-elevation peak, U-shaped pattern, and no correlation. The predominant latitudinal pattern shows plant species richness peaking in equatorial tropical regions and gradually decreasing toward the poles, with minor variations showing unimodal or insignificant relationships. Studies on forest BEF relationships along geographic gradients reveal complex variations including positive correlations, non-significant relationships, and environmental dependencies. Future research should intensify investigations in this domain to enhance our understanding of these intricate relationships.
Key words: biodiversity; ecosystem function; elevation gradient; latitude gradient; forest
XIA Yongqiao . Research on the relationship between forest biodiversity and ecosystem functions along a geographic gradient[J]. Anhui Agricultural Science Bulletin, 2025 , 31(13) : 87 -90 . DOI: 10.16377/j.cnki.issn1007-7731.2025.13.021
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