在解释大草原鸡(Tympanuchus cupido)的栖息地选择时,人为噪音不超过土地覆盖

IF 2.6 2区 生物学 Q1 ORNITHOLOGY
Condor Pub Date : 2019-10-05 DOI:10.1093/condor/duz044
E. Raynor, J. O. Harrison, Cara E. Whalen, Jennifer A. Smith, W. Schacht, A. Tyre, J. F. Benson, M. Brown, L. Powell
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引用次数: 6

摘要

在上个世纪,人口的增加和草地向农业的转变对大草原鸡(Tympanuchus cupido)的数量造成了严重后果。了解大草原鸡对人类干扰的反应,包括人为噪音和景观改造的影响,对于保护剩余种群至关重要,因为这些干扰在草原系统中变得越来越普遍。在这里,我们评估了风能设施发出的低频噪声对栖息地选择的影响。我们使用归一化差异声景观指数(一种人为和生物声学成分的比率)来确定栖息地的主要声学特征相对于已知的影响栖息地选择的自然景观特征的影响。雌性大草原鸡避开林地和行作物,但没有表现出对风力涡轮机的选择或回避,这是基于它们的家园范围内这些特征的可用性。虽然风能设施附近的声环境以人为噪声为主,但我们的研究结果表明,该物种的声栖息地选择并不明显。相比之下,我们的工作强调需要减少该地区历史上缺失的树木的存在,以及减少草地向行作物农业的转化。我们的研究结果表明,自然景观变化在调节大草原鸡栖息地选择方面超过了声学环境的改变。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Anthropogenic noise does not surpass land cover in explaining habitat selection of Greater Prairie-Chicken (Tympanuchus cupido)
Over the last century, increasing human populations and conversion of grassland to agriculture have had severe consequences for numbers of Greater Prairie-Chicken (Tympanuchus cupido). Understanding Greater Prairie-Chicken response to human disturbance, including the effects of anthropogenic noise and landscape modification, is vital for conserving remaining populations because these disturbances are becoming more common in grassland systems. Here, we evaluate the effect of low-frequency noise emitted from a wind energy facility on habitat selection. We used the Normalized Difference Soundscape Index, a ratio of human-generated and biological acoustic components, to determine the impact of the dominant acoustic characteristics of habitat relative to physical landscape features known to influence within–home range habitat selection. Female Greater Prairie-Chickens avoided wooded areas and row crops but showed no selection or avoidance of wind turbines based on the availability of these features across their home range. Although the acoustic environment near the wind energy facility was dominated by anthropogenic noise, our results show that acoustic habitat selection is not evident for this species. In contrast, our work highlights the need to reduce the presence of trees, which have been historically absent from the region, as well as decrease the conversion of grassland to row-crop agriculture. Our findings suggest physical landscape changes surpass altered acoustic environments in mediating Greater Prairie-Chicken habitat selection.
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来源期刊
Condor
Condor ORNITHOLOGY-
CiteScore
6.30
自引率
12.50%
发文量
46
审稿时长
6-12 weeks
期刊介绍: The Condor is the official publication of the Cooper Ornithological Society, a non-profit organization of over 2,000 professional and amateur ornithologists and one of the largest ornithological societies in the world. A quarterly international journal that publishes original research from all fields of avian biology, The Condor has been a highly respected forum in ornithology for more than 100 years. The journal is one of the top ranked ornithology publications. Types of paper published include feature articles (longer manuscripts) Short Communications (generally shorter papers or papers that deal with one primary finding), Commentaries (brief papers that comment on articles published previously in The Condor), and Book Reviews.
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