中文题目 关键词 : 三峡水库, 岛屿, 植被, 物种丰富度, 岛屿保护区 [gap=1566]Key words: the Three Gorges Reservoir, island, vegetation, plant species richness, island reserve
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The results show that there are great discrepancies of plant species richness among different households.
结果表明：不同农户之间薪炭林物种丰富度和农业物种丰富度指数差异较大。
The plant species richness index is not positive relevant to species evenness index for which represents the evenness extent of species distribution instead of the quantity of species.
物种丰富度指数与均匀度指数并非存在正相关关系，均匀度指数反映的是物种分布的均匀程度，并不反映其物种数量的多少。
Evidence from other studies suggests that exclusion of fire results in markedly decreased plant-species richness, often with an increase in tree density.
来自其他研究的证据表明，没有火灾会导致植物物种丰富性显著减少，通常还会伴随着树木密度的增加。
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