二在“s 型曲线中种群数量达到环境容纳量的一半k2时种群增长速率最大资源再生能力最强因此在野生生物资源合理开�利用方面要 Template




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tomski二在“s 型曲线中种群数量达到环境容纳量的一半k2时种群增长速率最大资源再生能力最强因此在野生生物资源合理开�利用方面要 coloring