Effects of Different Grazing Management Practices on the Contents of Soils and Microbiomass and Their Stoichiometric Characteristics in Alpine Grassland

doi:10.11733/j.issn.1007-0435.2025.06.004

Acta Agrestia Sinica ›› 2025, Vol. 33 ›› Issue (6): 1749-1755.DOI: 10.11733/j.issn.1007-0435.2025.06.004

Effects of Different Grazing Management Practices on the Contents of Soils and Microbiomass and Their Stoichiometric Characteristics in Alpine Grassland

YAO Jun-fei¹, WEI Guo-liang¹, WU Fa-liang¹, LI Xu-dong¹, Adihaze⁴, SHI Zheng-chen⁴, ZHANG Zhong-hua⁴, MA Li⁴, LI Shan⁵, LI Hong-lin³, LI Qiang-feng¹, WANG Zhen⁴, ZHOU Hua-kun⁴, ZHANG Qiang²

1. College of Agriculture and Animal Husbandry, Qinghai University, Xining, Qinghai Province 810016, China;
2. Academy of Animal Husbandry and Veterinary Medicine, Qinghai University, Xining, Qinghai Province 810016, China;
3. State Key Laboratory of Ecology and Plateau Agriculture and Animal Husbandry, Qinghai University, Xining, Qinghai Province 810000, China;
4. Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Key Laboratory of Restoration Ecology of Cold District, Xining, Qinghai Province 810008, China;
5. School of Geographic Sciences, Qinghai Normal University, Xining, Qinghai Province 810008, China

Received:2024-08-05 Revised:2024-12-16 Published:2025-06-13

不同放牧管理措施对高寒草地土壤和微生物量及其化学计量特征的影响

姚俊飞¹, 魏国良¹, 吴发亮¹, 李旭东¹, 阿的哈则⁴, 史正晨⁴, 张中华⁴, 马丽⁴, 李珊⁵, 李宏林³, 李强峰¹, 王榛⁴, 周华坤⁴, 张强²

1. 青海大学农牧学院, 青海西宁 810016;
2. 青海大学畜牧兽医科学院, 青海西宁 810016;
3. 青海大学省部共建三江源生态与高原农牧业国家重点实验室, 青海西宁 810000;
4. 中国科学院西北高原生物研究所, 青海省寒区恢复生态学重点实验室, 青海西宁 810008;
5. 青海师范大学地理科学学院, 青海西宁 810008

通讯作者: 张强,E-mail:zhangqiang228313@163.com
作者简介:姚俊飞（1997-），男，汉族，甘肃甘南人，硕士研究生，主要从事草地恢复研究，E-mail：17339855026@163.com
基金资助:
国家自然科学基金面上项目（32371684）；中央财政林业科技推广示范项目（退化沼泽近自然修复及碳增汇技术示范推广）；国家自然科学基金联合基金项目（U21A20186）；中国地质调查局西宁自然资源综合调查中心委托项目（DD20220959）资助

Abstract

Abstract: In this study， we investigated sustainable grazing practices in alpine grasslands， aiming to optimize grazing management， balance ecological functions with sustainable use， and promote grassland restoration， species conservation， and ecological service enhancement. By implementing different grazing management measures （Grazing all year round， closed for grazing throughout the year， retirement during the rejuvenation， rest during the fruiting period and closed grazing in winter）， the responses of soil and microbial biomass carbon （C）， nitrogen （N）， and phosphorus （P） to these practices were investigated. The results indicated that grazing management practices had no significant effects on soil total C， total N， or total P content. However， microbial biomass C and N varied significantly under different grazing measures. Compared to year-round grazing， soil microbial biomass C under retirement during the rejuvenation increased significantly by 20%. Additionally， the C：N and C：P ratios of soil and microbial biomass showed distinct trends across grazing practices. In conclusion， retirement during the rejuvenation significantly enhanced microbial biomass C in alpine grasslands， promoted soil carbon accumulation and represented an effective grazing management strategy.

Key words: Alpine grasslands, Grazing management, Soil properties, Microbial biomass, Stoichiometric characteristics

摘要： 高寒草地合理放牧方式的研究旨在通过优化放牧管理，平衡草地生态功能与可持续利用，促进草地恢复、物种保护和生态服务的有效保障。本研究通过设置不同放牧管理措施（全年放牧、全年休牧、返青期休牧、结实期休牧和冬季休牧）探究了高寒草地土壤及微生物量碳氮磷对不同放牧方式的响应特征。结果表明，不同放牧管理措施对土壤总碳、总氮和总磷含量的影响不显著，但微生物生物量碳、氮在不同放牧管理措施下表现出显著变化，相较于全年放牧，返青期休牧的土壤微生物碳含量显著提高了20%。土壤和微生物生物量的碳氮比、碳磷比也呈现出不同的变化趋势。因此，返青期休牧显著提高了高寒草地土壤微生物碳含量，促进了土壤碳积累，成为一种有效的放牧管理措施。

关键词: 高寒草地, 放牧管理, 土壤特性, 微生物生物量, 化学计量特征

CLC Number:

S812.8

YAO Jun-fei, WEI Guo-liang, WU Fa-liang, LI Xu-dong, Adihaze, SHI Zheng-chen, ZHANG Zhong-hua, MA Li, LI Shan, LI Hong-lin, LI Qiang-feng, WANG Zhen, ZHOU Hua-kun, ZHANG Qiang. Effects of Different Grazing Management Practices on the Contents of Soils and Microbiomass and Their Stoichiometric Characteristics in Alpine Grassland[J]. Acta Agrestia Sinica, 2025, 33(6): 1749-1755.

姚俊飞, 魏国良, 吴发亮, 李旭东, 阿的哈则, 史正晨, 张中华, 马丽, 李珊, 李宏林, 李强峰, 王榛, 周华坤, 张强. 不同放牧管理措施对高寒草地土壤和微生物量及其化学计量特征的影响[J]. 草地学报, 2025, 33(6): 1749-1755.

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Effects of Different Grazing Management Practices on the Contents of Soils and Microbiomass and Their Stoichiometric Characteristics in Alpine Grassland

不同放牧管理措施对高寒草地土壤和微生物量及其化学计量特征的影响

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