The research indicated that habitat diversity was the main key factors to control bird species diversity in a certain time and space.

研究表明，在一定时空条件下，地域景观的复杂性是决定鸟类种类和数量的关键因素。

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Surprisingly, the vegetation factors did not correlate with the bird data - in fact, poor neighborhoods had a greater diversity of trees.

出人意料地，植被因子和鸟类数据并没有关联；事实上，贫穷社区里的树木种类还比较多。

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Surprisingly, the vegetation factors did not correlate with the bird data - in fact, poor neighborhoods had a greater diversity of trees.

出人意料地，植被因子和鸟类数据并没有关联；事实上，贫穷社区里的树木种类还比较多。

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