U.S.-Mexico Dissertation Enhancement: Marine Population Connectivity Across the U.S./Mexican Border: A Genetic Approach to Dispersal Dynamics in Kelp Bass

美国-墨西哥论文增强：美国/墨西哥边境的海洋种群连通性：海带鲈鱼扩散动力学的遗传方法

• 批准号: 0402589
• 负责人: Steven Gaines
• 金额: $ 2.62万
• 依托单位: University of California-Santa Barbara
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2004
• 资助国家: 美国
• 起止时间: 2004-06-01 至 2007-05-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0402589&HistoricalAwards=false
• 关键词: U.S.; Mexico; Dissertation; Enhancement; Marine

0402589GainesThis U. S.-Mexico award will support Ms. Kimberly Selkoe's dissertation research under the supervision of Dr. Steven D. Gaines of the University of California, Santa Barbara. Ms. Selkoe intends to work with Dr. Lydia Ladah, and her graduate students at the Centro de Investigacion Cientifica y de Educacion Superior de Ensenada, (CICESE), Baja California to collect kelp bass tissue samples at 7 sites and monitor and collect recruits at 2 sites along the Pacific coast of Baja, Mexico. These Mexican sites are crucial components of the range-wide sampling array Ms. Selkoe is using to map the dispersal patterns of kelp bass. She will genotype the kelp bass tissue samples with 7 microsatellite markers that she previously developed and apply a genetic approach called genotype assignment (GA) to estimate dispersal patterns in the kelp bass Paralabrax clathratus. By comparing the dispersal patterns to detailed oceanographic data from the region, she will address hypotheses on the role of flow in dispersal dynamics across several spatial and temporal scales, with particular focus on connectivity across the U.S./Mexico border.As fisheries around the world continue to crash, there is an urgent need to better understand the population dynamics of marine species. Empirical knowledge of population dynamics in the sea is basic at best, largely due to the challenge of studying the open sea larval phases that provide the link between generations and across locations. The question of the scale and variability of larval dispersal, and, consequently, the degree of connectivity among populations, remains largely unanswered. Successful fisheries management will depend on knowing accurate scales of population connectivity and the effects of flow dynamics on these scales through time and space. The Division of Ocean Sciences and the Office of International Science and Engineering are jointly funding this thesis dissertation research.

0402589GainesThis U. S.-墨西哥奖将支持Kimberly Selkoe女士在Steven D.位于圣巴巴拉的加州大学的盖恩斯。 Selkoe女士打算与Lydia Ladah博士及其在下加利福尼亚恩塞纳达上级科学研究和教育中心（CICESE）的研究生合作，在7个地点收集海带鲈鱼组织样本，并在墨西哥下加利福尼亚太平洋沿岸沿着的2个地点监测和收集新成员。这些墨西哥的地点是塞尔科女士用来绘制海带鲈鱼分布模式的范围取样阵列的重要组成部分。她将用她以前开发的7个微卫星标记对海带鲈鱼组织样本进行基因分型，并应用一种称为基因型分配（GA）的遗传方法来估计海带鲈鱼Paralabrax clathratus的扩散模式。通过将扩散模式与该地区详细的海洋学数据进行比较，她将讨论关于流动在几个空间和时间尺度上的扩散动力学中的作用的假设，特别关注美国各地的连通性。随着世界各地的渔业继续崩溃，迫切需要更好地了解海洋物种的种群动态。关于海洋种群动态的经验知识充其量只是基本知识，主要是由于研究公海幼体阶段的挑战，这些阶段提供了世代之间和不同地点之间的联系。幼虫扩散的规模和可变性，以及种群之间的联系程度，在很大程度上仍然没有答案。成功的渔业管理将取决于了解种群连接的准确尺度以及水流动态在时间和空间上对这些尺度的影响。海洋科学司和国际科学与工程办公室共同资助本论文的研究。