Plant species diversity declines from tropical to temperate latitudes. Local neighbourhood interactions among species that favour heterospecifics over conspecifics may have a role in shaping this latitudinal diversity gradient, but perhaps not as traditionally thought.

中文翻译：

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揭示全球树木多样性的驱动因素

从热带到温带，植物物种多样性下降。偏爱异种而不是同种的物种之间的局部邻域相​​互作用可能在塑造这种纬度多样性梯度方面发挥着作用，但可能并不像传统认为的那样。