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基于空间距离指数的延河流域生态敏感性时空演变特征
杨蕴雪
1
,
2
(
), 张艳芳
1
,
2
(
)
Temporal-spatial evolutionary characteristics of ecological sensitivity in Yanhe River basin based on spatial distance index
YANG Yunxue
1
,
2
(
), ZHANG Yanfang
1
,
2
(
)
图4.
土地利用覆盖情况
Fig.4.
Land use and coverage