《Table 5 Area ratios and change rates of different land use types in Yarkant River basin(1978–2018)(

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《1978–2018年叶尔羌河流域土地利用及其生态服务价值变化数据研究》

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Table 5 indicates that significant LUCC occurred in the study area over the 41 years considered here，especially after 2008，and the rate of change became significantly faster.From1978 to 2018，the rate of increase in land use was most pronounced for wetland（249.13%），followed by cultivated land（63.51%），water body（20.35%），forest land（7.02%），unused land（6.82%），and grassland（2.01%）.The proportion of cultivated land increased very obviously in this period，with an average annual increase of 8.5×103 hm2.The other notable change in land use type concerns unused land，which decreased by 227.43×103 hm2 during the 41 years.Moreover，the areas of a water body and grassland decreased by 103.2×103 hm2and 59.2×103 hm2，respectively，while wetlands and woodland increased by 42.7×103 hm2and 8.2×103 hm2，respectively.