Flow Mediation by Understory Kelp Beds: Consequences to Benthic Organisms

林下海带床的流动调节：对底栖生物的影响

• 批准号: 8911116
• 负责人: James Eckman
• 金额: --
• 依托单位: Skidaway Institute of Oceanography
• 依托单位国家: 美国
• 项目类别: Continuing grant
• 财政年份: 1989
• 资助国家: 美国
• 起止时间: 1989-10-15 至 1993-09-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=8911116&HistoricalAwards=false
• 关键词: Flow; Mediation; Understory; Kelp; Beds

Dr. Eckman and collaborators have been investigating the influence of understory kelps on flow, and its significance to recruitment and growth of suspension feeders that dominate shallow subtidal rocky substrata. In earlier research he demonstrated that: 1) mass transport, 2) particulate deposition, 3) growth of suspension feeders, and 4) recruitment of suspension feeders were greatly affected by the presence of understory kelps. For all species studied, growth was greater beneath kelp canopies than at nearby exposed areas and effects of kelps on recruitment were significant. The continuing research will elucidate the hydrodynamic processes that determined these patterns and will examine non-hydrodynamic covariates that may have contributed to the observed treatment effects. Several hypothesized mechanisms may have contributed to patterns observed. These mechanisms will be examined in a series of field and laboratory experiments that will allow assessment of the relative contributions of hydrodynamic and non-hydrodynamic processes to growth and recruitment of suspension feeders living in nearshore rocky habitats. Development of this broader view represents an important and logical progression in studies of hydrodynamics in marine ecology.

Eckman博士和合作者一直在研究林下海带对流动的影响，及其对主导浅层岩石岩石基质的悬架饲养者的招募和增长的意义。在较早的研究中，他证明：1）质量运输，2）颗粒沉积，3）悬浮液的生长，以及4）悬浮液饲养者的募集受到林下海带的存在很大的影响。对于所有研究的物种，海带冠台以下的生长比附近的裸露区域更大，海带对招募的影响非常重要。继续研究将阐明确定这些模式的流体动力学过程，并将检查可能导致观察到的治疗效应的非流动力协变量。几种假设的机制可能导致观察到的模式。这些机制将在一系列的现场和实验室实验中进行检查，这些机制将允许评估流体动力和非流动力过程对生活在近岸岩石栖息地的悬浮液的生长和募集的相对贡献。这种更广泛的观点的发展代表了海洋生态学流体动力学研究的重要和逻辑进展。