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Dissertation Research: Interactions in a Stage-Structured Species: Resource Mediated Stage Dynamics

论文研究：阶段结构物种中的相互作用：资源介导的阶段动态

基本信息

批准号：
9520840
负责人：
Gary Mittelbach
金额：
$ 0.47万
依托单位：
Michigan 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：
1995-08-15 至 1997-07-31
项目状态：
已结题

来源：
https://www.nsf.gov/awardsearch/showAward?AWD_ID=9520840&HistoricalAwards=false
关键词：
Dissertation Research Interactions Stage Structured

项目摘要

9520840 Mittelbach Ecologists have long understood the importance of resource use in defining species interactions and the population and community level consequences of these interactions. In stage-structured species, different stages may utilize resources which themselves interact, thereby influencing dynamics between the stages. This dissertation research will examine such a situation by studying the dynamics of larval and adult bluegill in relation to their resources, small and large zooplankton. These two resources are often negatively correlated in lakes, possibly due to competition, predation, or the presence of a refuge from predation. The zooplankton size-structure of a lake may affect the growth and survival of each bluegill stage because growth of adult bluegill is positively related to the abundance of large zooplankton, while larval bluegill are gape-limited foragers. Comparative and experimental studies will be conducted to test predictions of stage-specific growth and survival of bluegill as mediated by resource interactions. This research seeks to improve upon our mechanistic understanding of the processes that regulate stage-structured populations, thereby helping to clarify the contribution that these species make to community structure and function.

9520840米特尔巴赫生态学家早就理解资源利用在定义物种相互作用和这些相互作用的人口和社区水平的后果的重要性。在阶段结构的物种中，不同的阶段可以利用自身相互作用的资源，从而影响阶段之间的动态。本论文的研究将探讨这种情况，通过研究动态的幼虫和成年蓝鳃金龟的资源，小型和大型浮游动物。这两种资源往往是负相关的湖泊，可能是由于竞争，捕食，或存在一个避难所捕食。浮游动物的大小结构的湖泊可能会影响每个阶段的生长和生存，因为成年的蓝鳃鱼的增长是正相关的大型浮游动物的丰度，而幼虫蓝鳃鱼的间隙有限的觅食。比较和实验研究将进行测试的阶段特定的增长和生存的蓝鳃金龟介导的资源相互作用的预测。这项研究旨在提高我们对调节阶段结构种群的过程的机械理解，从而有助于澄清这些物种对群落结构和功能的贡献。