The number of saguaros established under small shrubs, in the grass, or in the open (cover class C3) increased during the time of no catastrophic freezes after December 1978.
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The number of saguaros established under small shrubs, in the grass, or in the open (cover class C3) increased during the time of no catastrophic freezes after December 1978.
创建时间：
2016-09-28
