Effect of grazing intensity on alpine meadow soil quality in the eastern Qinghai-Tibet Plateau, China
文献类型：期刊论文
| 作者 | Liu, Likun5; Zhao, Guangju1,4,5; An, Zhengfeng3; Mu, Xingmin4,5; Jiao, Juying4,5; An, Shaoshan4,5; Tian, Peng2 |
| 刊名 | ECOLOGICAL INDICATORS
 |
| 出版日期 | 2022-08-01 |
| 卷号 | 141页码:11 |
| 关键词 | Grazing intensity Soil quality Principal component analysis Minimum data set Qinghai-Tibet Plateau |
| ISSN号 | 1470-160X |
| DOI | 10.1016/j.ecolind.2022.109111 |
| 通讯作者 | Zhao, Guangju(gjzhao@ms.iswc.ac.cn) |
| 英文摘要 | Grazing plays a critical role in the sustainable development of grassland. It has been convinced that grazing affects grassland productivity, however, researches on the relationship between grazing intensity and grassland soil quality remain inadequate in the alpine environment. This study compared ten soil quality indexes (SQIs) to quantitative assess the effect of different grazing intensities [no grazing (NG); light grazing (LG); moderate grazing (MG); heavy grazing (HG)] on the soil quality of alpine meadow in the 0-10 cm and 10-20 cm soil layers. Principal component analysis (PCA) and minimum data set (MDS) were applied to indicator selection and weight assignment. The fitting relationship and correlation between SQI-TDS and SQI-MDSs and the sensitivity index (SI) of ten SQIs were used to select the optimal SQI method. Our results showed that compared with NG and LG, HG and MG significantly decreased soil organic matter (SOM), total nitrogen (TN), available nitrogen (AN), total phosphorus (TP), and cation exchange capacity (CEC) (p < 0.05), whereas increased bulk density (BD) and pH. Besides, TN, TP, TK, SOM, Sand content, soil phosphatase activity (PHO), soil sucrase activity (SUC), and soil catalase activity (CAT) could well replace the TDS method to evaluate soil quality. The SQI calculated by the MDS4 with the non-linear scoring method (SQI-NL-MDS4) had the best performance in soil quality evaluation among ten SQIs. Compared with NG and LG, HG had a stronger negative effect on alpine meadow soil quality, especially in the 0-10 cm soil layer, which potentially aggravated leading to aggravating grassland degradation. We propose that reasonable grazing intensity management should be advocated to maintain the sustainable development of alpine meadow productivity. |
| WOS关键词 | MINIMUM DATA SET ; CARBON SEQUESTRATION ; PRODUCTION SYSTEMS ; TYPICAL STEPPE ; IMPACTS ; LAND ; DEGRADATION ; GRASSLAND ; NITROGEN ; INDEXES |
| 资助项目 | Strategic Priority Research Program of the Chinese Academy of Sciences[XDA20040202] ; Western Light Interdisciplinary Team -Key Laboratory Cooperative Research Project, Chinese Academy Sciences |
| WOS研究方向 | Biodiversity & Conservation ; Environmental Sciences & Ecology |
| 语种 | 英语 |
| WOS记录号 | WOS:000856110100003 |
| 出版者 | ELSEVIER |
| 资助机构 | Strategic Priority Research Program of the Chinese Academy of Sciences ; Western Light Interdisciplinary Team -Key Laboratory Cooperative Research Project, Chinese Academy Sciences |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/184704]  |
| 专题 | 中国科学院地理科学与资源研究所 |
| 通讯作者 | Zhao, Guangju |
| 作者单位 | 1.Northwest A&F Univ, Inst Soil & Water Conservat, State Key Lab Soil Eros & Dryland Farming Loess Pl, 26 Xinong Rd, Yangling 712100, Shaanxi, Peoples R China 2.Northwest A&F Univ, Coll Nat Resources & Environm, 26 Xinong Rd, Yangling 712100, Shaanxi, Peoples R China 3.Univ Alberta, Dept Renewable Resources, 442 Earth Sci Bldg, Edmonton, AB, Canada 4.Chinese Acad Sci & Minist Water Resources, Inst Soil & Water Conservat, State Key Lab Soil Eros & Dryland Farming Loess Pl, Xinong Rd 26, Yangling 712100, Shaanxi, Peoples R China 5.Northwest A&F Univ, Inst Soil & Water Conservat, State Key Lab Soil Eros & Dryland Farming Loess Pl, 26 Xinong Rd, Yangling 712100, Shaanxi, Peoples R China |
| 推荐引用方式 GB/T 7714 | Liu, Likun,Zhao, Guangju,An, Zhengfeng,et al. Effect of grazing intensity on alpine meadow soil quality in the eastern Qinghai-Tibet Plateau, China[J]. ECOLOGICAL INDICATORS,2022,141:11. |
| APA | Liu, Likun.,Zhao, Guangju.,An, Zhengfeng.,Mu, Xingmin.,Jiao, Juying.,...&Tian, Peng.(2022).Effect of grazing intensity on alpine meadow soil quality in the eastern Qinghai-Tibet Plateau, China.ECOLOGICAL INDICATORS,141,11. |
| MLA | Liu, Likun,et al."Effect of grazing intensity on alpine meadow soil quality in the eastern Qinghai-Tibet Plateau, China".ECOLOGICAL INDICATORS 141(2022):11. |
入库方式： OAI收割
来源：地理科学与资源研究所
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