松华坝水库流域非点源污染景观空间负荷

袁睿佳

Location-weighted landscape index of non-point source pollution in Songhuaba Reservoir watershed

Ruijia YUAN

表6 2017年松华坝水库流域各坡度段内各景观累积面积百分比

Table 6 The area-accumulated percentage of different landscapes in different slope classes in 2017 (%)

坡度等级 水田 水浇地 旱地 果园 有林地 灌木林地 灌草丛 采矿用地 住宅建设用地 水库、坑塘 裸地 Ⅰ级 95.97 90.51 54.71 48.30 8.49 19.00 24.40 28.89 88.74 86.09 27.27 Ⅱ级 96.61 96.76 84.86 80.00 28.25 47.80 67.63 67.25 97.03 90.30 66.16 Ⅲ级 98.39 99.59 98.23 98.18 72.16 84.14 93.50 92.77 99.75 95.96 97.58 Ⅳ级 100.00 100.00 99.88 99.95 96.47 97.71 99.49 99.48 100.00 99.34 100.00 Ⅴ级 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00