Historical decline and recent recovery relative to historical level for 47 non-nested marine mammal populations.
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资源简介：
Proportional decline and recovery in abundance for individual populations (A), and average decline and recovery across different categories of marine mammals (B). Note that in (A) that recovery must be equal to or greater than decline for a population (i.e. in the area above the diagonal line).
创建时间：
2013-10-30
