Chen X Q, Gou X J. The Ecological Environment of Three-river Source Nature Reserve[M]. Xining: Qinghai Public Press, 2002.
[7]
Dong S C, Zhou Z J, Wang H Y. Ecological crisis and countermeasures of the Three Rivers’ Headstream Regions. Journal of Natural Resources, 2002, 17(6): 713-720.
[8]
Xu P H, Wen X Q. Study on changes of water environment in source regions of Yangtze River, Yellow River, Lantsang River and its factors. Journal of Northwest Sci-Tech University of Agricultural and Forest, 2004, 32(3): 10-14.
[9]
Liu Y S, Fan J W, Li Y Z. Plant community productivity and diversity on alpine meadow steppe in the Three River Headwater Region, Qinghai Province under different denudation levels. Acta Prataculturae Sinica, 2014, 23(3): 1-7.
[10]
McGuire A D, Sturm M, Chapin F S III. Arctic transitions in the Land-Atmosphere system (ATLAS): Background, objectives, results, and future directions. Journal of Geophysical Research-Atmospheres, 2003, 108: 2. doi:10.1029/2001JD000236.
[11]
Zhao X Q, Zhou H K. Eco-environmental degradation, vegetation regeneration and sustainable development in the headwaters of three rivers on Tibetan Plateau. China Academic Journal Electronic Publishing House, 2005, 20(6): 471-476.
[12]
Wang G X, Li Y S, Wang Y B, et al . Impacts of alpine ecosystem and climate changes on surface runoff in the headwaters of the Yangtze river. Journal of Glaciology and Geocryology, 2007, 29(2): 159-168.
[13]
Li N, Wang G X, Liu G S, et al . The ecological implications of land use change in the source regions of the Yangtze and Yellow Rivers, China. the Ecological Implications of Land Use Change, 2013, doi:10.1007/s10113-013-0419-5.
[14]
Hu L, Wang C T, Wang G X, et al . Changes in the activities of soil enzymes and microbial community structure at different degradation successional stages of alpine meadows in the headwater region of three rivers, China. Acta Prataculturae Sinica, 2014, 23(3): 8-19.
[15]
Liu J Y, Xu X L, Shao Q Q. The spatial and temporal characteristics of grassland degradation in the three-river headwaters region in Qinghai province. Acta Geographica Sinica, 2008, 63(4): 364-376.
[16]
Wang G X, Li N, Hu H C. Hydrologic effect of ecosystem responses to climatic change in the source regions of Yangtze River and Yellow River. Advances in Climate Change Research, 2009, 5(4): 202-208.
[17]
Li C B, Wu J, Liu X N, et al . A quantitative study of a subclass of a comprehensive sequential classification system (CSCS) taking Gansu Province as an example. Acta Prataculturae Sinica, 2014, 23(1): 312-321.
[18]
Li Y Z, Zeng Y. Study on methods of rice planting area estimation at regional scale using NOAA/AVHRR data. Journal of Remote Sensing, 2014, 23(1): 312-321.
[19]
Wang G X, Liu J Q, Chen L. Comparison of spatial diversity of land use changes and the impacts on two typical areas of Heihe River Basin. Acta Geographica Sinica, 2006, 61(4): 339-348.
[20]
Dong Y X. Quantitative identification of driving factors of contemporary sandy desertification in semi-arid zone in China. Journal of Desert Research, 2001, 21(4): 412-417.
[21]
Lin P S, Li S, Li B S, et al . Correlativity between land desertification and climate variability in west of Hainan Island during past nearly 20 years. Journal of Desert Research, 2005, 25(1): 27-32.
[22]
Li L, Li F X, Zhu X D. Quantitative identification of driving force on wetland shrinkage over the source region of the yellow river. Journal of Natural Resources, 2009, 24(7): 1246-1255.
[23]
Zhang S Q, Zhang B, Wang A H. A study on the relationship between distributive variation of wetlands and regional climate change in Sanjiang Plain. Advance in Earth Sciences, 2001, 16(6):836-841.
[24]
Yang J P, Ding Y J, Chen R S. NDVI reflection of alpine vegetation changes in the source regions of the Yangtze and Yellow Rivers. Acta Prataculturae Sinica, 2005, 60(3): 467-478.
[25]
Huang L, Liu J Y, Shao Q Q. Alpine grassland degradation in the source region of Yangtze River in the past 30 years-Zhidoi Counyas a case study. Resource Research, 2009, 31(5): 884-895.
[26]
Qian S, Fu Y. Climate change tendency and grassland vegetation response during the growth season in Three-River Source Region. Sci China Earth Sci, 2010, 53: 1506-1512.
[27]
Chen T, Liang S H, Qian K Z, et al . Regularity and cause of vegetation coverage changes in the headwaters of the Changjiang River over the last 22 years. Earth Science Frontiers, 2008, 15(6): 323-331.
[28]
Pan J H, Wang J, Liu J L. Study on land cover dynamic change in the resource area of Yangtze River and Yellow River using GIS and RS. Territory & Natural Resources study, 2004, (2): 35-37.
[29]
Wang S P. Vegetation degradation and protection strategy in the “Three rivers fountainhead” area in the Qinghai Province. Acta Prataculturae Sinica, 2003, 12(6): 1-9.
[30]
Wang G X, Cheng G D. Characteristics of grassland and ecological changes of vegetations in the source regions of Yangtze and Yellow rivers. Journal of Desert Research, 2001, 21(2): 101-107.
[31]
Yan Z L, Zhou H K, Liu W. The change characteristics of grassland vegetation and the assessment of grassland function on water and soil conservation in the source regions of Yangtze River and Yellow River. Pratacultural Science, 2003, 25(1): 73-78.
[32]
Ren J Z, Lin H L. Assumed plan on grassland ecological reconstruction in the source region of Yangtze River, Yellow River and Lantsang River. Acta Prataculturae Sinica, 2005, 14(2): 1-8.
[33]
Xu M H, Xue X. Analysis on the effects of climate warming on growth and phenology of alpine plants. Journal of Arid Land Resources and Environment, 2013, 27(3): 137-141.
[34]
Liang S H, Wan L, Li Z M, et al . The effect of permafrost on alpine vegetation in the source regions of the Yellow River. Journal of Glaciology and Geocryology, 2007, 29(1): 45-51.
[35]
Ma Q Z. Protect the ecology of grassland and build the beautiful pasture. Acta Prataculturae Sinica, 2014, 23(1): 1-2.
[36]
Zhang S Q, Wang Y G, Zhao Y Z, et al . Permafrost degradation and its environmental sequent in the source regions of the Yellow River. Journal of Glaciology and Geocryology, 2004, 26(1): 1-6.