Effects of Disturbance on Plants, Soils, and Microorganisms in Subalpine Meadows and Frost Mounds

doi:10.11733/j.issn.1007-0435.2025.01.013

Acta Agrestia Sinica ›› 2025, Vol. 33 ›› Issue (1): 107-118.DOI: 10.11733/j.issn.1007-0435.2025.01.013

Effects of Disturbance on Plants, Soils, and Microorganisms in Subalpine Meadows and Frost Mounds

CHEN Wei-hao¹, ZHANG Guo-rui¹, XU Yu-dan¹, YANG Wei-ke¹, LI Jia-cheng¹, LI Shuai², YAN Shi-jie³, ZHAO Xiang¹

1. College of Grassland Science, Shanxi Agricultural University, Taigu, Shanxi Province 030801, China;
2. College of Resource and Environment, Shanxi Agricultural University, Taigu, Shanxi Province 030801, China;
3. Gaoping County Animal Husbandry and Veterinary Service Center, Gaoping, Shanxi Province 048400, China

Received:2024-04-15 Revised:2024-06-09 Published:2025-01-22

干扰对亚高山草甸和冻胀丘植物、土壤和微生物的影响

陈炜昊¹, 张国瑞¹, 许驭丹¹, 杨韦轲¹, 李佳成¹, 李帅², 严师节³, 赵祥¹

1. 山西农业大学草业学院, 山西太谷 030801;
2. 山西农业大学资源环境学院, 山西太谷 030801;
3. 高平市畜牧兽医服务中心, 山西高平 048400

通讯作者: 许驭丹,E-mail：xyd124680@sxau.edu.cn；赵祥,E-mail：sxndzhaox@126.com
作者简介:陈炜昊（2000-）,男,汉族,湖北黄冈人,硕士研究生,主要从事草地生态系统退化与恢复研究,E-mail：chenwh235711@163.com
基金资助:
国家自然科学基金（32201389）；山西省基础研究计划青年科学研究项目（202103021223172）；山西农业大学“杰青优青培育工程”项目（2023YQPYGC06）；山西农业大学博士科研启动项目（2021BQ61）资助

Abstract

Abstract: As a typical distribution area of subalpine meadows and frost mounds in North China, Luya Mountain is being subjected to significant degradation pressure due to the combined effects of multiple disturbances. The objective of this study was to investigate the differences in plant, soil, and microbial communities and their responses to the disturbance in the frost mounds and meadows of Luya Mount. The results demonstrated that there were no significant differences between intact frost mounds and healthy meadows in terms of plants, soils and microorganisms. Furthermore, they exhibited similar patterns of change after damage, with a notable reduction in the aboveground biomass and species richness of plants （P<0.05）, significant changes in soil water content, bulk density and pH （P<0.05）. Additionally, bacterial community structure and diversity were altered, and only the community structure of fungi was affected. However, the higher soil water content of frost mounds can, to some extent, mitigate the effects of disturbance on plant functional groups and biomass. Soil physicochemical properties had a significant effect （P<0.05） on plant community characteristics and soil bacterial community characteristics. Conversely, no significant impact was observed on the soil fungal communities. In conclusion, it is imperative that prompt measures be taken to enhance the plant communities and soil structure of subalpine meadows and frost mounds, thereby facilitating their ecological restoration and adaptive management.

Key words: Subalpine meadow, Frost mound, Functional groups, Aboveground biomass, Soil physical and chemical properties, Soil microorganism

摘要： 芦芽山作为华北地区亚高山草甸和冻胀丘的典型分布区,在多重干扰下面临着严峻的退化压力。本研究以芦芽山冻胀丘和草甸为研究对象,探究两者在植物、土壤以及微生物方面的差异及其对干扰的响应。结果表明：完整冻胀丘和健康草甸在植物、土壤和微生物方面无显著差异,受损后表现出相似的变化规律,即植物地上生物量和物种丰富度显著降低（P<0.05）,土壤含水率、容重和pH值发生显著变化（P<0.05）,细菌群落结构和多样性发生改变,真菌仅群落结构受影响。但冻胀丘凭借土壤含水率较高的特性,能一定程度减缓干扰对植物功能群和生物量的影响。土壤理化性质对植物群落特征和土壤细菌群落特征具有显著影响（P<0.05）,对土壤真菌群落没有显著影响。综上所述,应及时采取措施改善亚高山草甸和冻胀丘的植物群落和土壤结构,实现其生态恢复和适应性管理。

关键词: 亚高山草甸, 冻胀丘, 功能群, 地上生物量, 土壤理化性质, 土壤微生物

CLC Number:

X171.1

CHEN Wei-hao, ZHANG Guo-rui, XU Yu-dan, YANG Wei-ke, LI Jia-cheng, LI Shuai, YAN Shi-jie, ZHAO Xiang. Effects of Disturbance on Plants, Soils, and Microorganisms in Subalpine Meadows and Frost Mounds[J]. Acta Agrestia Sinica, 2025, 33(1): 107-118.

陈炜昊, 张国瑞, 许驭丹, 杨韦轲, 李佳成, 李帅, 严师节, 赵祥. 干扰对亚高山草甸和冻胀丘植物、土壤和微生物的影响[J]. 草地学报, 2025, 33(1): 107-118.

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Effects of Disturbance on Plants, Soils, and Microorganisms in Subalpine Meadows and Frost Mounds

干扰对亚高山草甸和冻胀丘植物、土壤和微生物的影响

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