LTREB: Long Term Studies of African Lions

LTREB：非洲狮的长期研究

• 批准号: 9903416
• 负责人: Craig Packer
• 金额: $ 37.5万
• 依托单位: University of Minnesota-Twin Cities
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 1999
• 资助国家: 美国
• 起止时间: 1999-09-15 至 2004-08-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9903416&HistoricalAwards=false
• 关键词: LTREB; Long; Term; Studies; African

9903416PackerAfrican lions defend joint territories that contain enough food, water and shelter for successful reproduction. However, some prides consistently reproduce at higher rates than others, presumably due to differences in the abundance or distribution of key resources within their territories. This LTREB project will use long-term demographic and ranging data in a GIS analysis to measure the value of specific landscape features to lions living in the Serengeti and Ngorongoro Crater, Tanzania. These data will clarify the influence of landscape heterogeneity on territory size and local population density and provide the foundation for game-theoretical models of group territoriality. The overall population data will also be used to determine whether lion numbers are regulated by food, disease, or territory, and will be used to assess whether the recent decline in the Ngorongoro Crater has resulted from the cumulative effects of close inbreeding. These analyses involve collaborations with scientists in Canada, South Africa, Tanzania, and the UK.

9903416Packer 非洲狮保卫共同领地，那里有足够的食物、水和住所，可以成功繁殖。然而，一些狮群的繁殖率始终高于其他狮群，这可能是由于其领地内关键资源的丰度或分布存在差异。该 LTREB 项目将在 GIS 分析中使用长期人口统计和测距数据来衡量特定景观特征对生活在坦桑尼亚塞伦盖蒂和恩戈罗恩戈罗火山口的狮子的价值。这些数据将阐明景观异质性对领土规模和当地人口密度的影响，并为群体领土性的博弈论模型提供基础。总体人口数据还将用于确定狮子数量是否受到食物、疾病或领地的调节，并将用于评估恩戈罗恩戈罗火山口最近的下降是否是近亲繁殖的累积效应造成的。这些分析涉及与加拿大、南非、坦桑尼亚和英国科学家的合作。