US-South Africa Planning Visit: The Cape of Good Hope Region as a Model to Understand Marine Speciation

美国-南非计划访问：好望角地区作为了解海洋物种形成的模型

• 批准号: 0117358
• 负责人: Giacomo Bernardi
• 金额: $ 0.59万
• 依托单位: University of California-Santa Cruz
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2001
• 资助国家: 美国
• 起止时间: 2001-05-01 至 2002-04-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0117358&HistoricalAwards=false
• 关键词: US; South; Africa; Planning; Visit

0117358BernardiThis award supports a planning visit to South Africa by Professor Giacomo Bernardi, Department of Biology, University of California, Santa Cruz in June 2001. Professor Bernardi will work with Professor Paulette Bloomer, Department of Genetics, University of Pretoria to evaluate the possibility of doing a study on fish species whose populations are found across the Cape of Good Hope region. They will determine whether matching biogeographic and phylogeographic breaks would be found there. The mechanisms involved in the formation of species (speciation) in the marine environment are poorly known. Several models have been proposed to explain the processes of marine speciation. One well-studied system, in the southeastern United States, emphasized the role of genetic partitioning of populations across a defined geographic region (phylogeographic break). This phylogeographic break also matched a region of species discontinuity (biogeographic boundary). This system is now well documented, but so far has not been generalized to other systems. During the planning visit to South Africa, Bernardi and Bloomer will try to collect fishes whose populations are found on both Atlantic and Indian Ocean sides of the Cape Region and that are endemic to Southern Africa. If successful, they will formulate proposals for cooperative research proposals to US and South African funding agencies.

0117358 BernardiThis award supports a planning visit to South Africa by Professor Giacomo Bernardi，Department of Biology，University of加州，圣克鲁斯in June 2001. Bernardi教授将与比勒陀利亚大学遗传学系Paulette布卢默教授合作，评估对好望角地区发现的鱼类种群进行研究的可能性。 他们将确定是否匹配的地理和地理休息会发现那里。 对海洋环境中物种形成（物种形成）的机制知之甚少。 已经提出了几个模型来解释海洋物种形成的过程。 在美国东南部，一个经过充分研究的系统强调了在一个确定的地理区域（地理间断）中种群遗传划分的作用。 这一地理间断也与物种不连续的区域（地理边界）相匹配。 这个系统现在有很好的文献记载，但到目前为止还没有推广到其他系统。 在计划访问南非期间，贝尔纳迪和布卢默将试图收集在大西洋和印度洋两侧的开普地区发现的鱼类，这些鱼类是南部非洲特有的。 如果成功，他们将向美国和南非资助机构制定合作研究提案。