Arid
项目编号31460126
荒漠草原放牧强度季节调控下植被稳定性研究
卫智军
主持机构内蒙古农业大学
开始日期2015
结束日期2018
资助经费520000(CNY)
项目类别地区科学基金项目
资助机构CN-NSFC(国家自然科学基金)
语种中文
国家中国
英文简介Desert steppe is the green ecological barrier of Northern China and important animal husbandry base, which widely distribute in central Inner Mongolia Plateau and north of Yinshan Mountains. The uniqueness and fragility of ecosystem is sensitive to human disturbance due to the arid habitats and geographical transition. More than 70% desert steppe for grazing degraded, and the degree and rate of degradation is increasing. To explore the sustainable utilization, protection, recovery, and vegetation maintaining stability mechanism of grassland, the project takes Stipa breviflora desert steppe of Mongolian Plateau as example, using seasonal regulation of grazing intensity as experimental treatment. The quantitative ecological methods combined with species diversity, inter-species relationships, niche and spatial pattern to systematically discuss the corresponding characteristics of temporal and spatial variation, linkages of grassland populations, functional populations, and communities and potential plant populations (seed banks). The aims are to determine stability maintainable factors and threshold under seasonal regulation of grazing intensity, interpret ecological processes and stability maintaining mechanism of vegetation anti-interference ability and recovery capability after interference in desert steppe, determine the optimal way for grazing, and provide a theoretical basis for protecting grassland ecological environment, rational use, and sustainable development of grassland animal husbandry.
来源机构内蒙古农业大学
资源类型项目
条目标识符http://119.78.100.177/qdio/handle/2XILL650/344332
推荐引用方式
GB/T 7714
卫智军.荒漠草原放牧强度季节调控下植被稳定性研究.2015.
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