Knowledge Resource Center for Ecological Environment in Arid Area
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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