Volume 71, Issue 3 pp. 136-146
ORIGINAL ARTICLE

Effects of climate, topography and grazing disturbance on ecosystem services of temperate grasslands in Inner Mongolia

Xiaohang Bai

Corresponding Author

Xiaohang Bai

Department of Landscape Architecture, School of Architecture, Southeast University, Nanjing, China

The Key Laboratory of Rare and Endangered Plants of National Forestry and Grassland Administration, The Key Laboratory for Silviculture and Forest Resources Development of Yunnan Province, Yunnan Academy of Forestry and Grassland, Kunming, China

Correspondence

Xiaohang Bai, Department of Landscape Architecture, School of Architecture, Southeast University, Nanjing, 210096, China.

Email: [email protected]

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Jieping Chen

Jieping Chen

Department of Landscape Architecture, School of Architecture, Southeast University, Nanjing, China

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First published: 05 June 2025

Abstract

Understanding the complex relationship between environmental factors and ecosystem services contributes to effective restoration of degraded grasslands and sustainable management of grassland ecosystems. This study establishes 760 grassland sampling plots (1.5 × 1.5 m) with the aim of exploring the effects of environmental factors on functions and services of grassland ecosystems in Inner Mongolia, China. The results of Monte Carlo permutation test indicate that annual precipitation (eigenvalue = 0.431), mean annual temperature (eigenvalue = 0.035) and slope (eigenvalue = 0.098) have greater influences on grassland ecosystem services compared to other environmental factors (e.g., soil properties, grazing and elevation). Annual precipitation promotes plant traits and diversity and then positively influences net primary productivity (NPP) (r2 = 0.62 p < 0.05). In addition, it promotes community resilience (ET) and then positively influences NPP-WS, NPP-WY, NPP-SE (r2 = 0.53 p < 0.05). Mean annual temperature exerts a negative influence on water yield (WY), windbreak sand fixation (WS) and soil erosion (SE) (r2 = 0.41 p < 0.05). Slope has negative influences on plant traits and ecosystem stability, ultimately affecting on NPP-WS and WY-WS (r2 = 0.43 p < 0.05). Disturbance exerts a dual effect, positively enhancing community variability but negatively influencing resilience, while actively modulating the trade-off intensity of WY-SE (r2 = 0.42 p < 0.05). This study reveals the effects of climate, topography and grazing disturbance on grassland ecosystem services, providing data and theoretical support for the protection and management of temperate grassland ecosystems.

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