期刊
BIOLOGY LETTERS
卷 8, 期 5, 页码 714-716出版社
ROYAL SOC
DOI: 10.1098/rsbl.2012.0412
关键词
invasive species; bioacoustics; noise pollution; Anura; Amphibia; Brazil
资金
- Rufford Small Grants Foundation [34.09.09]
- Conselho Nacional de Desenvolvimento Cientifico e Tecnologico [305473/2008-5, 476789/2009-5]
Invasive species are known to affect native species in a variety of ways, but the effect of acoustic invaders has not been examined previously. We simulated an invasion of the acoustic niche by exposing calling native male white-banded tree frogs (Hypsiboas albomarginatus) to recorded invasive American bullfrog (Lithobates catesbeianus) calls. In response, tree frogs immediately shifted calls to significantly higher frequencies. In the post-stimulus period, they continued to use higher frequencies while also decreasing signal duration. Acoustic signals are the primary basis of mate selection in many anurans, suggesting that such changes could negatively affect the reproductive success of native species. The effects of bullfrog vocalizations on acoustic communities are expected to be especially severe due to their broad frequency band, which masks the calls of multiple species simultaneously.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据