人为光对安鲁兰电话站点的影响
Ashley Kobisk1, Matthew A Kwiatkowski1
1Department of Biology, Stephen F. Austin State University, P.O. Box 13003, Nacogdoches, TX, 75962, USA.
Environmental pollution (Barking, Essex : 1987)
|June 17, 2023
概括
夜间的人工光 (ALAN) 破坏了anuran的行为. 较明亮地区的雄性青选择了较暗的呼叫点,但城市化地区提供了较少的黑暗息地,可能导致息地丧失.
科学领域:
- 环境科学 环境科学
- 生态生态学 生态生态学
- 动物行为 动物行为
背景情况:
- 人类活动,包括夜间的人工光 (ALAN),对自然环境产生负面影响.
- 众所周知,人类造成的光污染会改变动物的行为,但它对夜生活动物的影响仍未得到充分研究.
- 了解ALAN对anurans的影响对于保护工作至关重要.
研究的目的:
- 为了调查夜间人工光对德克萨斯东部男性呼叫地点选择的影响.
- 为了确定Anuran在选择呼叫站点时是否避开明亮照明的区域.
- 评估城市化,光污染和anuran呼叫行为之间的关系.
主要方法:
- 在五个不同城市化和ALAN级别的地点,量化了环境光线水平.
- 定位呼叫的男性anurans,并在它们特定的呼叫地点测量光线水平.
- 在通话地点的光线水平与同一区域内的随机位置的光线水平进行比较.
主要成果:
- 男性的anuran始终选择比一般环境光线环境更暗的呼叫地点,特别是在更明亮的地点.
- 然而,男性在最明亮,最城市化的地点使用的呼叫站点仍然比在更黑暗,较不城市化的地点使用的更明亮.
- 这表明,虽然anurans试图避免光线,但高水平的光污染可能会限制它们找到适合黑暗呼叫息地的能力.
结论:
- 在选择通话地点时,雄性阿努兰在晚上表现出对人工光的避开行为.
- 在高度城市化,光污染严重的地区,由于偏好暗色呼叫环境的不可用性,阿努拉人可能会面临息地丧失.
- 艾伦对阿努伦种群构成威胁,因为它可能会限制诸如语音沟通和伴侣吸引力等基本行为.
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