1990—2020年中国耕地景观细碎化演变特征与趋势预判

刘晶, 金晓斌, 徐伟义, 王世磊, 周寅康

Characteristic evolution and trend prediction of cultivated land landscape fragmentation in China from 1990 to 2020

LIU Jing, JIN Xiaobin, XU Weiyi, WANG Shilei, ZHOU Yinkang

表2 耕地景观细碎化及其分维属性等级划分标准

Tab. 2 Classification criteria for cultivated land landscape fragmentation and its fractal attributes

等级 耕地景观细碎化范围 资源规模性范围 空间集聚性范围 形状规整性范围 1 低 ≤ 0.279 ≤ 0.266 ≤ 0.456 ≤ 0.429 2 较低 (0.279, 0.377] (0.266, 0.419] (0.456, 0.574] (0.429, 0.561] 3 中等 (0.377, 0.465] (0.419, 0.526] (0.574, 0.703] (0.561, 0.665] 4 较高 (0.465, 0.557] (0.526, 0.660] (0.703, 0.836] (0.665, 0.771] 5 高 > 0.557 > 0.660 > 0.836 > 0.771