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FVC and climate in Yarkand Basin

A B C

Figure 4. Spatial distribution of annual trends of fractional vegetation cover in the Yarkand River Basin from
2000 to 2023. (A) Slope of change. (B) p‑value. (C) Zone of significant change.

Table 5. The extent of change in share percentage and acreage of fractional vegetation cover in different
counties and cities
Degree of coverage Administrative units in the Yarkand River Basin (%; km )
2
Bachu Makit Shache Tumushuke Yecheng Zepu Entire
County County County City County County area
Highly significant 69.44; 77.93; 71.51; 70.79; 73.83; 47.35; 72.55;
increase 12,763.69 8,507.49 6,374.62 1,353.02 21,114.62 476.47 50,620.16
Significant increase 20.42; 14.57; 4.70; 11.34; 17.77; 5.11; 15.94;
3,753.18 1,590.98 418.89 216.70 5,081.43 51.40 11,120.30
No significant change 1.91; 1.82; 4.38; 8.28; 158.24 3.73; 6.17; 3.20;
351.46 199.14 390.67 1,066.94 62.06 2,229.99
Significant decrease 0.07; 12.73 0.09; 0.20; 0.49; 9.38 0.07; 20.09 0.44; 0.11; 74.47
negative increase 10.31 17.55 4.39
Highly significant 8.17; 5.58; 19.21; 9.11; 174.07 4.60; 40.94; 8.21;
decrease 1,501.06 609.59 1,712.87 1,314.15 411.94 5,727.08

Table 6. The extent of change in share percentage and acreage of fractional vegetation cover in different
land use types

Degree of coverage Administrative units in the Yarkand River Basin (%; km )
2
Farmland Forests Grassland Bare land Others Entire area
Highly significant 51.86; 58.80; 80.22; 78.40; 7.23; 72.55;
increase 3,968.19 31.34 12,321.99 33,508.53 236.95 50,620.16
Significant 9.67; 8.89; 5.94; 15.40; 85.93; 15.94;
increase 739.63 4.74 912.07 6,582.78 2,816.53 11,120.30
No significant 3.78; 11.20; 7.63; 1.35; 5.89; 3.20;
change 289.19 5.97 1,172.34 577.66 192.96 2,229.99
Significant decrease 0.42; 31.86 0.69; 0.37 0.24; 36.57 0.02; 7.09 0.01; 0.35 0.11; 74.47
Highly significant 34.28; 20.42; 5.97; 4.83; 0.95; 8.21;
decrease 2,623.45 10.88 917.11 2,065.22 31.04 5,727.08

the growth was stable. The growth trend of the entire and water resource management initiatives after 2000.
area was consistent with the development of the oasis However, the high proportion of decline of farmland

Volume 22 Issue 6 (2025) 229 doi: 10.36922/AJWEP025350269