U.S. GLOBEC: Laboratory and Field Studies of Impacts of Invertebrate Predators on Fish Eggs and Larvae on Georges Bank

美国 GLOBEC：乔治银行无脊椎动物捕食者对鱼卵和幼虫影响的实验室和现场研究

• 批准号: 9632395
• 负责人: Barbara Sullivan
• 金额: $ 19.98万
• 依托单位: University of Rhode Island
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 1996
• 资助国家: 美国
• 起止时间: 1996-09-15 至 1999-02-28
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9632395&HistoricalAwards=false
• 关键词: U.S.; GLOBEC; Laboratory; Field; Studies

9632395 SULLIVAN As part of the U.S. GLOBEC Northwest Atlantic Field Studies, Phase 2 program this project will conduct laboratory and field studies of impacts of invertebrate predators on fish eggs and larvae on Georges Bank. Predation-related mortality is one loss term affecting populations of the target species of fishes and copepods on Georges Bank. This project will utilize mesocosm experiments to determine prey selection and feeding rates of the planktonic hydroid, Clytia gracilis, at times the most abundant predator in this region, and the ctenophore, Pleurobrachia pileus, the only invertebrate confirmed to be feeding on eggs and larvae of cod. The field component of this project will provide abundance data on hydroids and other invertebrate predators and their prey. These laboratory and field results will be combined to estimate predation- related mortality in the context of physical mechanisms that act to concentrate or disperse plankton. ***

9632395 SULLIVAN作为美国GLOBEC西北大西洋实地研究的一部分，第二阶段计划，该项目将进行实验室和实地研究的影响，无脊椎动物捕食者对鱼卵和幼虫的乔治银行。与捕食有关的死亡率是影响乔治海岸鱼类和桡足类目标物种种群的一个损失术语。该项目将利用围隔实验来确定浮游水螅虫（Clytia gracilis）（有时是该地区最丰富的捕食者）和栉水母（Pleurobrachia pileus）（唯一被证实以卵为食的无脊椎动物）的猎物选择和摄食率。鳕鱼的幼虫。该项目的实地部分将提供关于水螅虫和其他无脊椎动物捕食者及其猎物的丰度数据。这些实验室和现场的结果将结合起来，以估计捕食相关的死亡率的物理机制，集中或分散浮游生物的作用。 ***