当社区获得退化的森林并接到恢复该森林的指示时，这些社区通常会照做。
Where communities were given degraded forest and instructed to regenerate it, they generally did so.
因此现在非常有必要阻止进一步的种群退化并使其恢复到以前的水平。
There is now an urgent need to prevent further population declines and to establish insurance populations into parts of the former range.
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