Moderate grazing results in higher plant richness in grasslands compared to fenced enclosures because grazing reduces inter-plant competition, decreasing the likelihood of some plants being eliminated.
适度放牧比围栏封育草场植物丰富度更好,因采食降低植物间竞争,减少被淘汰的可能。
问题 | 尝试从种间关系角度分析,为什么适度放牧比围栏封育草场植物丰富度更好? |
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《》 | 生物必修3 |
答案 | 从种间关系角度分析,动物对植物的采食,使植物间的竞争程度降低,减少了某些植物在竞争中被淘汰的可能,因此草场恢复到一定程度后,与围栏封育相比,适度放牧草场植物丰富度更好. |
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