LTREB: Long-Term Studies of African Lions

LTREB：非洲狮的长期研究

• 批准号: 0918142
• 负责人: Craig Packer
• 金额: $ 9.3万
• 依托单位: University of Minnesota-Twin Cities
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2009
• 资助国家: 美国
• 起止时间: 2009-09-01 至 2010-08-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0918142&HistoricalAwards=false
• 关键词: LTREB; Long; Term; Studies; African

In the next 10 yrs, the Serengeti lion project will conduct comprehensive research to construct and test detailed models of population and community ecology. First, the project will investigate lion population dynamics in stochastic environments, constructing generalized additive and generalized linear models with population-level variables (overall food availability, climate and population density), pride-level variables (local food availability, pride size and structure) and individual variables (age and sex). Second, the project will investigate the role of spatial heterogeneity in stabilizing the coexistence of competing carnivore species. Cheetahs, lions and hyenas may show divergent niche strategies that create a reticulated pattern of occupancy within an overall pattern of coexistence. Third, the project will likely measure the impact of a large-scale loss in prey availability on lion population dynamics and sociality, owing to the impending collapse of the wildebeest migration. While group living is predicted to be common across a wide range of resource distributions at high population densities, grouping should be restricted to a few localized areas at low densities. Fourth, the project will measure cycle length of four viral diseases to test predictions of well parameterized multi-host models.Broader Impacts: Data from this study will be used by wildlife managers throughout the world, providing important insights for predicting the consequences of habitat change and fragmentation, identifying the landscape features necessary for species co-existence and measuring the effectiveness of disease control programs. Based on the investigator's past experience, continuation of this long-term program will result in numerous publications, training of American and Tanzanian graduate students in ecology and epidemiology, and widespread reporting in the popular press.

在接下来的10年中，Serengeti Lion项目将进行全面的研究，以构建和测试人口和社区生态的详细模型。首先，该项目将研究随机环境中的狮子种群动态，并构建具有人口水平变量（整体食品可用性，气候和人口密度），骄傲水平变量（本地食品可用性，骄傲的大小和结构）和个体变量（年龄和性别）的广义添加剂和广义线性模型。其次，该项目将研究空间异质性在稳定竞争食肉动物的共存中的作用。 Cheetahs，Lions和Hyenas可能会显示出不同的利基策略，从而在整体共存模式中产生了网状的居住模式。第三，由于野生蜜蜂迁移的崩溃，该项目可能会衡量猎物可用性对狮子种群动态和社会性的大规模损失的影响。虽然预计在较高人口密度的广泛资源分布中，群体生活将是普遍的，但分组应仅限于低密度的一些局部区域。第四，该项目将测量四种病毒疾病的周期长度，以测试良好的参数化多主宿主模型的预测。Bodarer的影响：这项研究的数据将被全世界的野生动植物经理使用，为预测栖息地变化和碎片的后果提供了重要的见解，从而确定了物种共同证明疾病的能力和疾病控制能力的必要特征。根据调查员的过去经验，该长期计划的延续将导致许多出版物，对美国和坦桑尼亚生态学和流行病学领域的美国和坦桑尼亚研究生的培训，以及在大众媒体上的广泛报道。