参考文献:
[1] Mao, X. F., Wei, X. Y., Xia, J. C. Evaluation of ecological migrants’ adaptation to their new living area in Three-River Headwater wetlands, China [J]. Procedia Environmental Sciences, 2012, 13: 1346-1353.
     [2] Li, Y., Li, B. L., Yuan, Y. C., et al. Trends in total nitrogen concentrations in the Three Rivers Headwater Region [J]. Science of The Total Environment, 2022, 852: 158462.
     [3] Wang, X. X., Dong, S. K., Yang, B., et al. The effects of grassland degradation on plant diversity, primary productivity, and soil fertility in the alpine region of Asia’s headwaters [J]. Environmental Monitoring and Assessment, 2014, 186(10): 6903-6917.
     [4] Shen, M. G., Zhang, G. X., Cong, N., et al. Increasing altitudinal gradient of spring vegetation phenology during the last decade on the Qinghai-Tibetan Plateau [J]. Agricultural and Forest Meteorology, 2014, 189-190: 71-80.
     [5] Liu, J. Y., Xu, X. L., Shao, Q. Q. Grassland degradation in the “Three-River Headwaters” region, Qinghai Province [J]. Journal of Geographical Sciences, 2008, 18(3): 259-273.
     [6] 刘伟, 李发吉, 王启基等. 高寒草甸“黑土型”退化草地的成因及生态过程 [J]. 草地学报, 1999(4): 300-307.
     [7] Harris, R. B. Rangeland degradation on the Qinghai-Tibetan Plateau: A review of the evidence of its magnitude and causes [J]. Journal of Arid Environments, 2010, 74(1): 1-12.
     [8] Li, Y. Y., Dong, S. K., Wen, L., et al. Soil carbon and nitrogen pools and their relationship to plant and soil dynamics of degraded and artificially restored grasslands of the Qinghai-Tibetan Plateau [J]. Geoderma, 2014, 213: 178-184.
     [9] Cai, H. Y., Yang, X. H., Xu, X. L. Human-induced grassland degradation/restoration in the central Tibetan Plateau: The effects of ecological protection and restoration projects [J]. Ecological Engineering, 2015, 83: 112-119.
     [10] Jia, Y. L., Chen, S. Y., Wei, P. J. Effect of revegetation in extremely degraded grassland on carbon density in alpine permafrost regions [J]. Sustainability, 2022, 14(19): 12575.
     [11] She, Y., Zhou, H. K., Zhang, Z. H., et al. Plant community characteristics, soil nutrients and their interactions in artificial grassland with different establishment years in the Three Rivers Headwater Region [J]. Grassland Science, 2023, 69(3): 165-177.
     [12] Han, B. H., Bi, J., Tao, S. L., et al. An annual 30 m cultivated-pasture dataset of the Tibetan Plateau from 1988 to 2021 [J]. Earth System Science Data, 2025, 17(6): 2933-2952.
     [13] Liu, W., Li, B. L., Yuan, Y. C., et al. Artificial grassland mapping using artificial grassland detection index of vegetation growth in the Three-River Headwaters region [J]. Ecological Indicators, 2023, 154: 110869.
     [14] Dong, S. K., Wen, L., Li, Y. Y., et al. Soil-quality effects of grassland degradation and restoration on the Qinghai-Tibetan Plateau [J]. Soil Science Society of America Journal, 2012, 76(6): 2256-2264.
     [15] Dong, Q. M., Zhao, X. Q., Wu, G. L., et al. A review of formation mechanism and restoration measures of “black-soil-type” degraded grassland in the Qinghai-Tibetan Plateau [J]. Environmental Earth Sciences, 2013, 70(5): 2359-2370.
     [16] Su, X. K., Wu, Y., Dong, S. K., et al. Effects of grassland degradation and re-vegetation on carbon and nitrogen storage in the soils of the Headwater Area Nature Reserve on the Qinghai-Tibetan Plateau, China [J]. Journal of Mountain Science, 2015, 12(3): 582-591.
     [17] Gao, X. X., Dong, S. K., Xu, Y. D., et al. Resilience of revegetated grassland for restoring severely degraded alpine meadows is driven by plant and soil quality along recovery time: A case study from the Three-river Headwater Area of Qinghai-Tibetan Plateau [J]. Agriculture, Ecosystems & Environment, 2019, 279: 169-177.
     [18] Xu, Y. D., Dong, S. K., Gao, X. X., et al. Trade-offs and cost-benefit of ecosystem services of revegetated degraded alpine meadows over time on the Qinghai-Tibetan Plateau [J]. Agriculture, Ecosystems & Environment, 2019, 279: 130-138.
     [19] Sun, J. J., Wang, P. B., Tong, Y. S., et al. Overload type and optimization of meadow carrying capacity in Maqin County in the Three-River Source Region, China [J]. Journal of Mountain Science, 2020, 17(6): 1387-1397.
     [20] Xu, Y. D., Dong, S. K., Gao, X. X., et al. Target species rather than plant community tell the success of ecological restoration for degraded alpine meadows [J]. Ecological Indicators, 2022, 135: 108487.
     [21] 徐新良, 刘纪远, 邵全琴等. 30年来青海三江源生态系统格局和空间结构动态变化 [J]. 地理研究, 2008, 27(4): 829-838, 974.
     [22] Shen, R. C., Xu, M., Li, R. Q., et al. Spatial variability of soil microbial biomass and its relationships with edaphic, vegetational and climatic factors in the Three-River Headwaters region on Qinghai-Tibetan Plateau [J]. Applied Soil Ecology, 2015, 95: 191-203.
     [23] 谭剑波, 李爱农, 雷光斌. 青藏高原东南缘气象要素Anusplin和Cokriging空间插值对比分析 [J]. 高原气象, 2016, 35(4): 875-886.
     [24] Yang, J., Peng, C. Contrastive analysis of temperature interpolation at different time scales in the alpine region by Anusplin [J]. Plateau Meteorology, 2018, 37(3): 757-766.
     [25] Hayakawa, Y. S., Oguchi, T., Lin, Z. Comparison of new and existing global digital elevation models: ASTER G-DEM and SRTM-3 [J]. Geophysical Research Letters, 2008, 35(17): 2008GL035036.
     [26] Tucker, C. J. Red and photographic infrared linear combinations for monitoring vegetation [J]. Remote Sensing of Environment, 1979, 8(2): 127-150.
     [27] Veroustraete, F., Sabbe, H., Eerens, H. Estimation of carbon mass fluxes over Europe using the C-Fix model and Euroflux data [J]. Remote Sensing of Environment, 2002, 83(3): 376-399.
     [28] Haralick, R. M., Shanmugam, K., Dinstein, I. H. Textural features for image classification [J]. IEEE Transactions on Systems, Man, and Cybernetics, 1973, SMC-3(6): 610-621.
     [29] Yao, Y. J., Liang, S. L., Cao, B., et al. Satellite detection of water stress effects on terrestrial latent heat flux with MODIS shortwave infrared reflectance data [J]. Journal of Geophysical Research: Atmospheres, 2018, 123(20): 11410-11430.
     [30] Hao, X. H., Luo, S. Q., Che, T., et al. Accuracy assessment of four cloud-free snow cover products over the Qinghai-Tibetan Plateau [J]. International Journal of Digital Earth, 2019, 12(4): 375-393.
     [31] Zhang, H. B., Zhang, F., Zhang, G. Q., et al. Ground-based evaluation of MODIS snow cover product V6 across China: Implications for the selection of NDSI threshold [J]. Science of The Total Environment, 2019, 651: 2712-2726.
     [32] Foerster, S., Kaden, K., Foerster, M., et al. Crop type mapping using spectral-temporal profiles and phenological information [J]. Computers and Electronics in Agriculture, 2012, 89: 30-40.
     [33] Brodersen, K. H., Ong, C. S., Stephan, K. E., et al. The balanced accuracy and its posterior distribution [C]. 2010 20th International Conference on Pattern Recognition, 2010: 3121-3124.
     [34] Olofsson, P., Foody, G. M., Herold, M., et al. Good practices for estimating area and assessing accuracy of land change [J]. Remote Sensing of Environment, 2014, 148: 42-57.