基于综合遥感指数的松嫩平原西部草地退化及其对干旱的响应

刘文慧, 李欣烨, 李晓燕

Grassland degradation and its response to drought in the western Songnen Plain based on comprehensive remote sensing index

LIU Wenhui, LI Xinye, LI Xiaoyan

表2 草地退化趋势各级别面积及占比

Tab.2 Area and proportion of grassland degradation trend for each level

草地退化趋势 面积/hm2 占比/% 快速减轻 146 514.90 23.40 缓慢减轻 104 126.90 16.60 保持稳定 260 866.10 41.66 缓慢加重 72 053.55 11.50 快速加重 42 453.63 6.78