Grass-livestock balance based grassland ecological carrying capability and sustainable strategy in the Yellow River Source National Park, Tibet Plateau, China
文献类型：期刊论文
| 作者 | Yu Hui; Liu Bin-tao; Wang Gen-xu; Zhang Tong-zuo ; Yang Yan; Lu Ya-qiong; Xu You-xue; Huang Min; Yang Yi; Zhang Lv
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| 刊名 | JOURNAL OF MOUNTAIN SCIENCE
 |
| 出版日期 | 2021 |
| 卷号 | 18期号:8 |
| 关键词 | Yellow River Source National Park Grassland ecological carrying capability Grasslivestock balance |
| 英文摘要 | The Yellow River Source National Park (YRSP) is one of the most sensitive and fragile ecological regions in the world. The historical intensive grazing and climate change have resulted in ecological degradation that threatens the wildlife and livestock. Exploring the sustainable strategy is urgent for policy makers to meet the demands for wild ungulates and livestock. In our study, the grassland ecological carrying capability (GECC) was assessed based on the updated grass-livestock balance that considered the grass competition from wild ungulates. The balances between grass and livestock, and GECC and grassland pressure index (GPI) in the YRSP were measured through overlay analysis and geostatistic analysis. The results showed that: (1) the ratio of livestock to wild ungulates in the research area was approximately 4.56: 1, in which the proportion of livestock was 81.75% and the actual number of livestock was 33.84 x 10(4) standard sheep units; (2) Under the scenario of minimum grazing utilisation rate, the theoretical grazing capacity and GECC were 37.83 x 10(4) standard sheep units and -0.13, respectively. Under the maximum grazing utilisation rate, the theoretical grazing capacity and GECC were 41.93 x 10(4) standard sheep units and -0.21, respectively. Since GECC in both scenarios were both less than 0, the grassland was considered to be in surplus and the livestock was not overloaded. However, GPI in the two scenarios were 0.87 and 0.79, respectively, both of which exceeded the warning line of 0.70. Based on GECC, we recommend that the sustainable strategy in YRSP is either to increase the supplementary feeding about 6.40 x 10(4) standard sheep units or reduce the grazing livestock by about 3.50 x 10(4) standard sheep units. |
| 源URL | [http://210.75.249.4/handle/363003/60758]  |
| 专题 | 西北高原生物研究所_中国科学院西北高原生物研究所 |
| 推荐引用方式 GB/T 7714 | Yu Hui,Liu Bin-tao,Wang Gen-xu,et al. Grass-livestock balance based grassland ecological carrying capability and sustainable strategy in the Yellow River Source National Park, Tibet Plateau, China[J]. JOURNAL OF MOUNTAIN SCIENCE,2021,18(8). |
| APA | Yu Hui.,Liu Bin-tao.,Wang Gen-xu.,Zhang Tong-zuo.,Yang Yan.,...&Zhang Lv.(2021).Grass-livestock balance based grassland ecological carrying capability and sustainable strategy in the Yellow River Source National Park, Tibet Plateau, China.JOURNAL OF MOUNTAIN SCIENCE,18(8). |
| MLA | Yu Hui,et al."Grass-livestock balance based grassland ecological carrying capability and sustainable strategy in the Yellow River Source National Park, Tibet Plateau, China".JOURNAL OF MOUNTAIN SCIENCE 18.8(2021). |
入库方式： OAI收割
来源：西北高原生物研究所
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