Pulse Brain · Growing Health Evidence Index
Tier 3 — Observational / field trialPeer-reviewed

Elevational trends of root traits for alpine grassland are weakly dependent on grazing-related degradation

Wei Chen, Dali Chen, Cunzhi Jia, Xiaohua Zhao, Xiuzhen Fu, Ze Huang, Ying Liu, Xiaowen Hu

Soil and Tillage Research · 2025

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Summary

This 2025 field study investigates how root morphological traits respond to elevation in alpine grassland ecosystems, testing whether grazing-related degradation substantially alters these elevational trends. The findings suggest that whilst root characteristics do change across elevation zones, grazing-induced degradation exerts only modest influence on these patterns, implying that elevation-driven environmental factors (temperature, moisture, soil properties) are the dominant drivers of root trait expression. The work contributes to understanding grassland functionality and recovery potential under both climatic and management-related stressors.

UK applicability

Alpine grassland systems are geographically distinct from UK lowland pastures and moorlands, though the mechanistic insights into root responses to stress may inform understanding of UK upland grazing systems. The finding that primary environmental gradients can override moderate degradation signals may have limited direct application to UK pastoral management, where grazing intensity, breed selection, and rotation practices operate in temperate rather than alpine contexts.

Key measures

Root traits (diameter, length, surface area, biomass, distribution), elevation gradient, grazing intensity/degradation status

Outcomes reported

The study examined how root traits (morphology, biomass, distribution) vary across elevation gradients in alpine grasslands and the extent to which grazing-induced degradation modifies these elevational patterns. Root system characteristics were measured to assess grassland resilience and productivity under different grazing pressures and environmental conditions.

Theme
Farming systems, soils & land use
Subject
Grassland & pasture systems
Study type
Research
Study design
Field trial
Source type
Peer-reviewed study
Status
Published
Geography
China
System type
Pasture-based livestock
DOI
10.1016/j.still.2025.106596
Catalogue ID
SNmohxvmn3-nrj2g6

Topic tags

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