SNF Forest Phenology/Leaf Expansion Data
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资源简介：
Measurements of green leaf coverage during the spring of 1984 for canopy, canopy, and understory species for two aspen sites in the Superior National Forest, Minnesota
1984年春季，对明尼苏达州苏必利尔国家森林中两个白杨林地点的树冠、树冠层以及下木层物种的绿色叶面积覆盖率进行的测量
提供机构：
data.nasa.gov
