PYI: Processes and Consequences of Natural Selection in Plants

PYI：植物自然选择的过程和后果

• 批准号: 9157270
• 负责人: Susan Mazer
• 金额: $ 29.63万
• 依托单位: University of California-Santa Barbara
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 1991
• 资助国家: 美国
• 起止时间: 1991-09-01 至 1997-08-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9157270&HistoricalAwards=false
• 关键词: PYI; Processes; Consequences; Natural; Selection

The process and consequences of natural selection in wild plant species will be pursued in three specific and complementary research projects. In the first, the causes and evolutionary significance of variation in life history and reproductive traits within and among different populations of several sympatric wild plant species in the eastern Sierra Mountains will be investigated. Another project will continue ongoing experimental studies of the constancy of genetic parameter estimates (heritability and genetic correlation) in wild radish in which growing conditions will be manipulated to evaluate the rate and direction of evolution under diverse environmental conditions. The third project will involve work to establish the relative importance of seed dispersal and post-dispersal events as determinants of the species distributions of economically important trees in a Peruvian rainforest.

野生植物自然选择的过程和后果 将在三个具体和互补的物种追求 研究项目。第一，原因和进化 生活史和繁殖性状变异的意义 在几个同域野生动物的不同种群中 东部塞拉山脉的植物物种 研究了另一个项目将继续进行实验 遗传参数估计的恒常性研究 （遗传力和遗传相关），其中 将操纵生长条件以评估速率， 不同环境条件下的进化方向。 第三个项目将涉及建立相对的 种子传播和传播后事件的重要性， 物种分布的决定因素 秘鲁雨林中的重要树木。