Evolutionsbiologie; spieltheoretische Untersuchung zur Evolution von Paarungssystemen

进化生物学；

• 批准号: 27051865
• 负责人: Dr. Lutz Fromhage
• 金额: --
• 依托单位: Department of Mathematics
• 依托单位国家: 德国
• 项目类别: Research Fellowships
• 财政年份: 2006
• 资助国家: 德国
• 起止时间: 2005-12-31 至 2008-12-31
• 项目状态: 已结题
• 来源: https://gepris.dfg.de/gepris/projekt/27051865?language=en
• 关键词: Evolutionsbiologie; spieltheoretische; Untersuchung; zur; Evolution

Understanding the evolution of animal mating systems is a major theoretical challenge, and lies at the heart of many topical problems in behavioural ecology. Evolutionary game theory provides a tool for analysing situations where the adaptive value of a phenotypic trait depends on traits expressed by other members of the population, as is frequently the case in the evolution of mating systems. In the proposed research, I will use game theory models to study the evolutionary causes and consequences of parental care, sperm competition, and mating behaviour. Specifically, I will address (i) the relative benefits for males of investing in parental care versus engaging in further mate search; (ii) the relationship between males investment in gaining matings and the degree of sperm competition at the population level; (iii) the conditions under which males are selected to mate with a single female only, even in the absence of male parental care. The anticipated results will be relevant to a massive body of theoretical and empirical literature, and may stimulate further research in this field.

理解动物交配系统的进化是一个重大的理论挑战，也是行为生态学中许多热门问题的核心。进化博弈论提供了一种工具，用于分析表型性状的适应价值取决于种群中其他成员所表达的性状的情况，这在交配系统的进化中经常发生。在拟议的研究中，我将使用博弈论模型来研究父母照顾，精子竞争和交配行为的进化原因和后果。具体来说，我将解决（一）投资于父母的照顾与从事进一步的配偶搜索男性的相对利益;（二）男性投资在获得交配和精子竞争的程度在人口水平之间的关系;（三）条件下，男性被选择与一个单一的女性交配，即使在没有男性父母的照顾。预期的结果将与大量的理论和实证文献相关，并可能激发这一领域的进一步研究。