生态学家对某草原进行调查后�现单位面积的放牧量与生产者净生产量生产者净生产量=同化量 �吸量之间的关系如下图图中的横虚线代表未放牧时 Template




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tomski生态学家对某草原进行调查后�现单位面积的放牧量与生产者净生产量生产者净生产量=同化量 �吸量之间的关系如下图图中的横虚线代表未放牧时 coloring