The Effects of Spatial Subsidies and Food Web Structure on the Stability and Long-Term Dynamics of Island Ecosystems

空间补贴和食物网结构对岛屿生态系统稳定性和长期动态的影响

• 批准号: 0079426
• 负责人: Gary Huxel
• 金额: $ 40万
• 依托单位: University of California-Davis
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 2000
• 资助国家: 美国
• 起止时间: 2000-07-15 至 2001-10-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0079426&HistoricalAwards=false
• 关键词: Effects; Spatial; Subsidies; Food; Web

Huxel, Gary and Sanchez-Pinero, FranciscoDEB 0079426The PI's propose work evaluating how external and in situ factors affect ecosystem function, community dynamics, and species diversity on islands in the Gulf of California. There are five primary goals. First, to understand how multiple factors influence the distribution and abundance of populations. Second, to understand how spatial (landscape) factors and temporal variability in productivity affect community dynamics and ecosystem function. Third, to connect processes and productivity in the ocean to population and food web dynamics on land. Fourth, to analyze the long-term dynamics of focal species. Fifth, to address factors that affect the stability of populations, communities, and ecosystems. A combination of experiments and field sampling will be conducted over a 4 year period to test specific hypotheses related to each goal.

Huxel，Gary和Sanchez-Pineo，FranciscoDEB 0079426 PI的建议工作是评估外部和现场因素如何影响加利福尼亚州海湾岛屿上的生态系统功能、群落动态和物种多样性。有五个主要目标。首先，了解多种因素如何影响种群的分布和丰度。第二，了解生产力的空间(景观)因素和时间变异性如何影响群落动态和生态系统功能。第三，将海洋的过程和生产力与陆地上的人口和食物网络动态联系起来。第四，分析焦点物种的长期动态。第五，解决影响人口、社区和生态系统稳定的因素。将在4年内进行实验和实地抽样相结合的方法，以检验与每个目标相关的具体假设。