Habitat selection and reproduction of newts in networks of fish and fishless aquatic patches

详细信息    查看全文

• 作者：Laurane Winandy ; ^{laurane.winandy@ulg.ac.be} ; Pauline Legrand ; Mathieu Denoë ; l ; ^{Mathieu.Denoel@ulg.ac.be}
• 关键词：alien species ; behavioural avoidance ; fish introduction ; habitat selection ; movement ecology ; spatial connectivity
• 刊名：Animal Behaviour
• 出版年：2017
• 出版时间：January 2017
• 年：2017
• 卷：123
• 期：Complete
• 页码：107-115
• 全文大小：720 K
• 卷排序：123

文摘

Fish presence alters newt movement in networks of aquatic patches. Behavioural avoidance and bet-hedging strategy explain habitat selection. Newts avoid fish patches and aggregate in fishless habitats. Fish presence affects reproduction through an indirect density effect. The rescue effect of fishless habitat allows newts to persist in invaded networks.