International Research Fellow Awards: Linking Regional Patterns of Faunal Turnover with Local Patterns of Speciation & Extinction in the Limon & Bocas Basins of Tropical A

9901335 Nehm国际研究员奖励计划使美国科学家和工程师能够在国外进行三到二十四个月的研究。 该计划的奖项提供了联合研究的机会，以及使用独特或互补的设施，专业知识和国外的实验条件。Nehm博士在瑞士巴塞尔的自然历史博物馆与Peter Jung博士一起工作了12个月。他们的项目将是通过巴拿马地峡的关闭和上新世-更新世大规模灭绝，对中美洲加勒比海沿岸利蒙盆地和博卡斯德尔托罗盆地大量保存完好的新近纪腹足动物的物种形成和灭绝进行比较研究。 他们的目标是调查在重大地质和动物变化期间产生生物多样性的过程。 该项目将在巴拿马古生物学项目（PPP）的背景下开展工作，该项目是一个大型多学科研究计划，十多年来一直在调查热带美洲新近纪的地质和古生物学变化。 自然历史博物馆（Naturhistorisches Museum）是巴拿马古生物学项目（PPP）软体动物研究的中心，收藏了这项研究所需的来自加勒比海沿岸的大量地质调查的化石材料。 Jung博士是PPP成员，积极参与研究热带美洲加勒比软体动物群的进化和灭绝。

9901335NehmThe International Research Fellow Awards Program enables U.S. scientists and engineers to conduct three to twentyfour months of research abroad. The program's awards provide opportunities for joint research, and the use of unique or complementary facilities, expertise and experimental conditions abroad.This award will provide Dr. Ross H. Nehm with support for twelve months to work with Dr. Peter Jung at the Naturhistorisches Museum in Basel, Switzerland.Their project will be a comparative study of speciation and extinction in an abundant and richly preserved group of Neogene gastropods from the Limon Basin and Bocas del Toro Basin on the Caribbean coast of Central America through closure of the Panamanian Isthmus and the Plio-Pleistocene mass extinction. Their goal is to investigate the processes that generate biodiversity during episodes of major geological and faunal change. This project will work within the context of the Panama Paleontology Project (PPP), which is a large-scale multidisciplinary research program that has been investigating the geological and paleobiological changes in the Neogene of Tropical America for over a decade. The PPP has laid the foundation for exploring the links between the rate and scale of geological and evolutionary change.The Naturhistorisches Museum is the center of Panama Paleontology Project (PPP) mollusk research and contains the fossil material from the extensive geological surveys of the Caribbean coast of tropical America necessary for this research. Dr. Jung is a member of the PPP who is actively involved in research on the evolution and extinction of the Caribbean mollusk fauna in tropical America.***