Non-additive interactions between grazing and zokor bioturbation drive soil carbon dynamics in alpine meadows on the qinghai-tibet plateau.

Yang Yang, Rui Mao, Huankun Leng, Yi Huang, Jianmin Yao, Tingyong Yang, Hong Jin, Jian Yang

Abstract read

In one paragraph

Article in iScience, 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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5 · Who and what money

Authors and funding

8 authors.

Yang YangSichuan Provincial Forest and Grassland Key Laboratory of Alpine Grassland Conservation and Utilization of Qinghai-Tibetan Plateau, College of Grassland Resources, Southwest Minzu University, Chengdu, China.

Rui MaoXiaojin County Forestry and Grassland Bureau, Aba, China.

Huankun LengSichuan Provincial Forest and Grassland Key Laboratory of Alpine Grassland Conservation and Utilization of Qinghai-Tibetan Plateau, College of Grassland Resources, Southwest Minzu University, Chengdu, China.

Yi HuangKey Laboratory of Biodiversity and Environment on the Qinghai-Tibetan Plateau, Ministry of Education, School of Ecology and Environment, XiZang University, Lhasa, China.

Jianmin YaoGanzi Tibetan Autonomous Prefecture Grassland Work Station, Ganzi, China.

Tingyong YangGanzi Tibetan Autonomous Prefecture Grassland Work Station, Ganzi, China.

Hong JinCollege of Life Sciences, Sichuan University, Chengdu, China.

Jian YangSichuan Provincial Forest and Grassland Key Laboratory of Alpine Grassland Conservation and Utilization of Qinghai-Tibetan Plateau, College of Grassland Resources, Southwest Minzu University, Chengdu, China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Alpine meadows on the Qinghai-Tibet Plateau hold important soil carbon pools sensitive to biotic disturbances. This study examined individual and combined effects of grazing and plateau zokor bioturbation on soil organic carbon, inorganic carbon, total carbon, and total nitrogen across depths and seasons. Grazing increased organic carbon and nitrogen while reducing inorganic carbon. Zokor activity caused seasonal vertical redistribution of carbon and nitrogen. Combined disturbances showed significant non-additive effects: synergistic suppression of inorganic carbon and antagonistic effects on organic carbon and nitrogen. These results improve understanding of disturbance interactions and support sustainable carbon management in alpine meadows.

Indexed as

environmental managementglobal carbon cyclesoil chemistrysoil science

Identifiers

PMID42291244

DOI10.1016/j.isci.2026.116275

PMCPMC13264293

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