Effect of Tourism Disturbance on Plant Biomass Allocation of Subalpine Meadows in Luya Mountain,China

doi:10.11733/j.issn.1007-0435.2023.11.028

Acta Agrestia Sinica ›› 2023, Vol. 31 ›› Issue (11): 3492-3502.DOI: 10.11733/j.issn.1007-0435.2023.11.028

Effect of Tourism Disturbance on Plant Biomass Allocation of Subalpine Meadows in Luya Mountain,China

LI Jia-cheng¹, CHEN Wei-hao¹, HOU Gang¹, ZHANG Ya-hui¹, SUN Xiao-han¹, LI Shuai², YANG Mei-hong³, YAN Shi-jie⁴, ZHAO Xiang¹, XU Yu-dan¹

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. Department of Basic Sciences, Shanxi Agricultural University, Taigu, Shanxi Province 030801, China;
4. Gaoping County Animal Husbandry and Veterinary Service Center, Gaoping, Shanxi Province 048400, China

Received:2023-05-15 Revised:2023-07-28 Online:2023-11-15 Published:2023-12-01

旅游干扰对芦芽山亚高山草甸植物生物量分配的影响

李佳成¹, 陈炜昊¹, 侯钢¹, 张亚慧¹, 孙小涵¹, 李帅², 杨美红³, 严师节⁴, 赵祥¹, 许驭丹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, 0300801;
3. 山西农业大学基础部, 山西太谷 030801;
4. 高平市畜牧兽医服务中心, 山西高平 048400

通讯作者: 赵祥,E-mail:sxndzhaox@126.com;许驭丹,E-mail:xyd124680@163.com
作者简介:李佳成(1999-),男,汉族,山西大同人,硕士研究生,主要从事草地生态系统退化与恢复研究,E-mail:18035279695@163.com
基金资助:
山西省基础研究计划青年科学研究项目(202103021223172)；山西农业大学博士科研启动项目(2021BQ61)；山西省博士毕业生、博士后研究人员来晋工作奖励经费科研项目(SXBYKY2022030)；山西农业大学科技创新基金项目(2004022)资助

Abstract

Abstract: As a typical tourism distribution area in subalpine meadow in North China,Luya Mountain is facing a huge degradation risk under the increasing pressure from tourism. It is currently urgent to clarify plant biomass allocation of subalpine meadow under the pressure of tourism interference and balance economic development and ecological protection. Based on the subalpine meadow of Luya Mountain,this study aims to explore the regulation mechanism and important impacting factors of different tourism disturbance degrees and altitude gradients on the aboveground and belowground biomass and allocation strategy of plant community and functional groups. The results of this study revealed that:plant community biomass of subalpine meadow in Luya Mountain was negatively correlated with the degree of tourism disturbance,and plant allocation strategy of this area was closer to optimal partitioning theory. The aboveground biomass of plants was mainly regulated by plant richness,tourism disturbance degree,altitude,soil bulk density and soil available potassium. The underground biomass and root-shoot ratio were regulated by tourism disturbance degree and soil total phosphorus. This study highlighted that regulating tourist behavior and improving soil fertility were critical to the restoration and management of subalpine meadows.

Key words: Plant biomass allocation, Subalpine meadow, Tourism disturbance, Functional groups, Biological factors, Soil factors

摘要： 芦芽山作为华北地区亚高山草甸的典型分布区，在日益加剧的旅游压力下面临着巨大的退化风险，明晰旅游干扰背景下亚高山草甸植物生物量的分配策略、平衡当地经济发展和生态保护成为当前亟待解决的问题。本研究以芦芽山亚高山草甸为研究对象，关注不同旅游干扰强度和海拔梯度对植物群落整体和各功能群地上、地下生物量及分配策略的影响机制和关键调控因子。结果表明：芦芽山亚高山草甸的植物群落生物量与旅游干扰强度呈负相关，且生物量分配支持最优分配效应；植物地上生物量主要受到植物丰富度、旅游干扰强度、海拔、土壤容重以及土壤速效钾的调控，地下生物量和根冠比受到旅游干扰强度和土壤全磷的调控。本研究表明规范游客行为和提高土壤肥力是亚高山草甸恢复和管理的关键要素。

关键词: 植物生物量分配, 亚高山草甸, 旅游干扰, 功能群, 生物因子, 土壤因子

CLC Number:

X171.1

LI Jia-cheng, CHEN Wei-hao, HOU Gang, ZHANG Ya-hui, SUN Xiao-han, LI Shuai, YANG Mei-hong, YAN Shi-jie, ZHAO Xiang, XU Yu-dan. Effect of Tourism Disturbance on Plant Biomass Allocation of Subalpine Meadows in Luya Mountain,China[J]. Acta Agrestia Sinica, 2023, 31(11): 3492-3502.

李佳成, 陈炜昊, 侯钢, 张亚慧, 孙小涵, 李帅, 杨美红, 严师节, 赵祥, 许驭丹. 旅游干扰对芦芽山亚高山草甸植物生物量分配的影响[J]. 草地学报, 2023, 31(11): 3492-3502.

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Effect of Tourism Disturbance on Plant Biomass Allocation of Subalpine Meadows in Luya Mountain,China

旅游干扰对芦芽山亚高山草甸植物生物量分配的影响

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