Key technologies and optimization model for ecological protection and grass-based livestock husbandry in the source region of the Yellow River
XU Tianwei1,2, ZHAO Xinquan1,2, GENG Yuanyue1,2,3, WANG Xungang1,2,3, MAO Shaojuan4, XU Shixiao,1,21.Key Laboratory of Adaptation and Evolution of Plateau Biota, Northwest Institute of Plateau Biology, CAS, Xining 810008, China 2.Institute of Sanjiangyuan National Park, CAS, Xining 810008, China 3.University of Chinese Academy of Sciences, Beijing 100049, China 4.College of Eco-Environmental Engineering, Qinghai University, Xining 810016, China
Abstract The source region of the Yellow River is an important ecological barrier and grass-based livestock husbandry area in China. It plays a significant role in ensuring the national ecological security and improving local pastoralists’ livelihood. Since the 1970s, alpine grasslands in this region have been degraded to varying degrees under the combined influences of climate change and human activity, which has posed certain threat for local grass-based livestock husbandry, regional ecological security, and the sustainable development of the middle and lower reaches of the Yellow River Basin. Since 2000 the state has implemented a series of ecological protection and construction projects to curb alpine grassland degradation in the source region of the Yellow River. As expected the grassland ecological environment in this area has been gradually improved since project implementation, but the grassland degradation trend has not been effectively curbed. In order to promote the ecological protection and economic development in the source region of the Yellow River, we systematically reviewed the research, demonstration and application works in relevant fields, and summarized a regional suitable technology system for grassland ecological protection and grass-based livestock husbandry development, then established a regional coupling development model based on the optimal allocation of grass-livestock resource. Additionally, we analyzed the application effects of related conservation and development technologies based on our case studies, also we proposed suggestions for the management of degraded alpine grassland and the development of ecological grass-based livestock husbandry in this region. The paper offers a certain enlightenment to promote the grassland ecological protection and high-quality development in the source area of the Yellow River. Keywords:source region of the Yellow River;alpine grasslands;grassland degradation;ecological protection;grass-based livestock husbandry;artificial grassland;high-quality development
PDF (3390KB)元数据多维度评价相关文章导出EndNote|Ris|Bibtex收藏本文 本文引用格式 徐田伟, 赵新全, 耿远月, 王循刚, 毛绍娟, 徐世晓. 黄河源区生态保护与草牧业发展关键技术及优化模式. 资源科学[J], 2020, 42(3): 508-516 doi:10.18402/resci.2020.03.09 XU Tianwei. Key technologies and optimization model for ecological protection and grass-based livestock husbandry in the source region of the Yellow River. RESOURCES SCIENCE[J], 2020, 42(3): 508-516 doi:10.18402/resci.2020.03.09
Table 1 表1 表1退化高寒草地(草甸)的退化等级、植被群落特征及其主要恢复治理技术 Table 1Degradation levels, vegetation community characteristics, and major restoration and management technologies of degraded alpine grassland
Table 2 表2 表2高寒草甸返青期短期休牧地与返青期连续放牧地的植被群落特征和生物量对比 Table 2Comparison of vegetation community characteristics and biomasses between short-term rest-grazing and continuous grazing plots during vegetation green-up period in an alpine meadow
Table 4 表4 表4高寒地区禾豆混播人工草地与未退化高寒草地的产草量对比 Table 4Comparison of herbage yields between grass-legume mixture artificial grassland and un-degraded alpine pasture in the Tibetan alpine region
Table 5 表5 表5高寒地区燕麦青干草与燕麦/箭筈豌豆混播青贮草的牧草品质对比 Table 5Comparison of herbage qualities between dried oat hay and oat-vetch silage in the Tibetan alpine region
Table 6 表6 表6黄河源区传统草地畜牧业与生态草牧业综合比较 Table 6Comparison between traditional grassland livestock husbandry and ecological grass-based livestock husbandry in the source region of the Yellow River
Figure 1Regional coupling development model for grassland ecological protection and ecological grass-based livestock husbandry in the source region of the Yellow River
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