宁夏沿黄人工绿洲农田格局对景观多样性的影响——以卫宁平原灌区为例
乔荣荣, 黄海涛, 董春媛, 罗立辉, 常学礼

Analysis of the influence of farmland pattern on landscape diversity in artificial oasis along the Yellow River in Ningxiaa case study in Zhongwei-Zhongning Plain Irrigation District
Rongrong Qiao, Haitao Huang, Chunyuan Dong, Lihui Luo, Xueli Chang
图3 不同农田格局指数(LDI,景观多样性指数;CA,类型面积;Enn_mn,斑块间平均最邻近欧几里得距离;LPI,最大斑块面积指数;Pafrac,周长-面积分维数)分级探测
Fig.3 Grading detector of different farmland pattern factors