Familiarity, Kin Groups, and Persistence in Sub-Divided Populations

熟悉度、亲缘群体和细分群体的持续性

• 批准号: 9508319
• 负责人: Jerry Wolff
• 金额: $ 17万
• 依托单位: Oregon State University
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 1995
• 资助国家: 美国
• 起止时间: 1995-10-15 至 1998-10-23
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9508319&HistoricalAwards=false
• 关键词: Familiarity; Kin; Groups; Persistence; Sub

9508319 Wolff We propose to study the effects of immigration of unrelated individuals on the breeding success of established residents in a habitat patch. Males or females that enter unfamiliar groups often disrupt reproduction by committing infanticide on young individuals or by disturbing normal breeding patterns. This study will document breeding success, survival, and population growth of the gray-tailed vole in habitat patches differing in degree of isolation. Animal movement, survival, and numbers will be determined by live-trapping, marking, and releasing animals within experimental enclosures. This study will allow us to test the role of kinship versus unfamiliarity in the breeding success of animals in fragmented landscapes. Construction of corridors to permit movement of animals between fragments has been suggested as a mechanism for maintaining viable populations increasingly fragmented by human activity. This study will contribute to our ability to manage habitat patches by increasing our understanding of the effect of behavior on breeding success.

本文拟研究无亲缘关系个体的迁移对生境斑块内已建居群繁殖成功的影响。进入不熟悉的群体的雄性或雌性经常通过杀婴或扰乱正常的繁殖模式来破坏生殖。本研究将记录不同隔离程度生境斑块中灰尾田鼠的繁殖成功、生存和种群增长情况。动物的运动、生存和数量将通过活体诱捕、标记和释放实验围栏内的动物来确定。这项研究将使我们能够测试亲属关系与不熟悉程度在破碎景观中动物繁殖成功中的作用。走廊的建设允许动物在碎片之间移动，被认为是一种机制，可以维持因人类活动而日益碎片化的种群。这项研究将增加我们对行为对繁殖成功的影响的理解，从而有助于我们管理栖息地斑块的能力。