基于典范对应分析的滨海滩涂围垦区景观格局与土壤盐渍化关系

解雪峰, 濮励杰, 朱明, 许艳, 王小涵, 徐彩瑶, 陈新建

Relationship between landscape patterns and soil salinity based on canonical correspondence analysis in coastal reclamation area

Xuefeng XIE, Lijie PU, Ming ZHU, Yan XU, Xiaohan WANG, Caiyao XU, Xinjian CHEN

表1 如东垦区景观格局指数

Tab. 1 Landscape pattern index of reclamation area in Rudong county

土地利用类型 景观格局指数 CA(km2) PLAND(%) PD LPI(%) ED LSI PAFRAC IJI AI CONTAG SHDI 旱地 14.87 21.20 30.22 0.58 134.15 61.16 1.31 77.89 95.32 - - 水田 1.90 2.70 5.35 0.15 16.37 20.88 1.12 79.60 95.66 - - 居民点 4.64 6.62 32.34 0.28 65.48 53.62 1.26 77.52 92.26 - - 农建地 6.26 8.93 10.11 4.01 91.18 65.49 1.51 86.03 94.66 - - 水浇地 16.63 23.71 21.47 0.28 118.46 51.52 1.21 72.47 96.28 - - 林草地 1.97 2.81 2.15 0.80 10.86 13.79 1.29 77.47 97.26 - - 养殖坑塘 12.48 17.79 19.80 0.53 92.07 45.97 1.20 81.20 96.18 - - 河流沟渠 10.86 15.48 5.45 5.76 170.17 90.99 1.50 78.64 91.80 - - 滩涂盐沼 0.54 0.77 2.10 0.19 3.58 11.45 1.21 53.32 95.71 - - 总计 70.15 100.00 128.98 5.76 351.15 75.05 1.26 79.00 94.77 50.25 1.89