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照明夜间人工光对适应性强的食肉动物行为的影响

Christopher J Hickling¹, Laurel E K Serieys², Gabriella R M Leighton³

¹Natural Resources Science, University of Rhode Island, Kingston, RI, USA.

The Science of the total environment

|January 29, 2026

概括

夜间的人工光 (ALAN) 影响鱼的行为,这些适应性强的食肉动物避免直接光线,但寻求城市邻近的地区. 亚成年人比成年人更能耐受ALAN,突出显示了复杂的人类与野生动物的相互作用.

科学领域:

生态生态学生态生态学
城市野生动物生态生态学
保护生物学保护生物学

背景情况:

夜间的人工光 (ALAN) 是一个日益增长的全球污染物,改变了野生动物的移动和息地使用.
种类对ALAN表现出不同的行为反应,适应性强的食肉动物如 (Caracal caracal) 居住在城市环境中,同时对人类的存在敏感.

研究的目的:

为了研究ALAN对鱼运动,息地选择和食行为的影响.
评估直接和间接ALAN (向上辐射,街灯,天光) 对成年和未成年的影响.

主要方法:

使用GPS项圈和24只的夜间行为数据 (17个成年,7个未成年).
采用集成步骤选择功能 (iSSFs) 来分析移动和息地选择.
使用资源选择函数 (RSF) 来检查在食期间的息地选择 (杀戮地点).

主要成果:

卡拉卡尔积极避免了直接的ALAN,上升的辐射显著影响了运动模式.
鱼选择了靠近城市地区的息地;亚成年人表现出比成年人更高的ALAN耐受性.
食行为主要受到路灯直接ALAN的影响,导致避免明亮照明的区域.

结论:

阿兰影响着的不同行为,包括移动和食,城市化和年龄之间的复杂相互作用影响了反应.
调查结果强调,需要解开ALAN的影响,以告知城市化景观中的野生动物减缓和保护策略.

关键词:

艾伦·艾伦是什么意思肉食动物肉食动物光线污染光线污染运动运动运动城市化的城市化.野生土地-城市接口

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