黄河玛曲砾质网状河段河间湿地形态特征及发育程度

刘博一, 王随继

Planform characteristics and developing level of interchannel wetlands in a gravel-bed anastomosing river, Maqu Reach of the Upper Yellow River

Boyi LIU, Suiji WANG

表3 河间湿地群体的地貌参数

Tab. 3 Geomorphologic parameters used in the assessment for the development of interchannel wetlands clusters

名称 面积 Su (hm2) 湿地数 I (个) 河间湿地面积占比P (%) 岸线长度 Li (km) 岸线密度 Dl (km/km2) 分汊点个数 N (个) 分汊点密度 Dn (个/km2) U1 28.58 5 44.89 4.32 15.13 7 24.49 U2 63.51 16 65.40 8.08 12.72 33 51.96 U3 250.27 22 77.32 19.50 7.79 41 16.38 U4 404.15 47 73.51 43.70 10.81 83 20.54 U5 136.88 17 74.15 14.73 10.76 29 21.19 U6 44.21 15 66.02 6.93 15.67 24 54.29 U7 128.55 16 81.96 13.62 10.59 28 21.78 U8 25.31 9 37.56 3.94 15.58 12 47.42 U9 345.31 53 75.80 39.65 11.48 65 18.82 U10 331.36 44 71.27 32.82 9.90 64 19.31 U11 27.77 8 40.83 3.64 13.12 11 39.61 U12 163.57 28 73.58 21.67 13.25 36 22.01 U13 672.94 85 79.12 71.11 10.57 143 21.25 U14 54.45 14 50.81 7.75 14.23 28 51.42 U15 170.26 27 74.86 17.73 10.41 31 18.21 U16 119.13 15 70.07 13.97 11.73 16 13.43 U17 67.94 20 50.52 10.00 14.72 31 45.63 U18 1336.17 131 79.24 110.94 8.30 202 15.12 U19 177.93 48 63.95 24.47 13.75 56 31.47 U20 95.34 41 57.09 17.20 18.04 63 66.08 U21 321.44 54 78.85 35.77 11.13 67 20.84 U22 239.77 12 73.98 14.48 6.04 15 6.26 U23 6.46 2 33.25 0.82 12.66 3 46.47 U24 96.14 13 78.33 11.31 11.76 21 21.84 U25 70.64 4 71.70 5.92 8.37 7 9.91 U26 243.44 18 71.57 22.62 9.29 32 13.15 U27 183.42 26 83.21 18.86 10.28 45 24.53 U28 114.00 14 55.55 11.24 9.86 22 19.30 U29 260.51 29 73.11 20.06 7.70 40 15.35 U30 25.73 4 52.71 3.54 13.77 7 27.21