News Release

非原产植物与食虫鸟类

Peer-Reviewed Publication

Proceedings of the National Academy of Sciences

Carolina Chickadee with Caterpillar Prey

image: Carolina chickadee with caterpillar prey. view more 

Credit: Image courtesy of Douglas W. Tallamy.

A study of Carolina chickadees in residential properties in the Washington, D.C. 一项关于美国华盛顿特区城市地区居民房产中的卡罗来纳山雀的研究发现,在有超过30%的非原产植物生物质的居民房产中,节肢动物的丰富程度下降了;相比之下,在非原产植物中发现节肢动物猎物数量不足的食虫鸟类或者转换了食谱并减少了繁殖,或者没有繁殖;这组作者说,这些结果提示了非原产植物对食虫类的影响。

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