Incorporating Structural Response into the Prediction of Disturbance of a Competitive Dominant on Wave-Swept Rocky Shores

将结构响应纳入对波浪席卷岩石海岸竞争优势的干扰的预测中

• 批准号: 0082605
• 负责人: Emily Carrington
• 金额: $ 32万
• 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: 2000
• 资助国家: 美国
• 起止时间: 2000-09-01 至 2004-08-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0082605&HistoricalAwards=false
• 关键词: Incorporating; Structural; Response; into; Prediction

This project will focus on the study of the structural response to wave action of an ecologically important intertidal mussel, Mytilus edulis. Preliminary experiments have demonstrated mussel attachment strength varies seasonally, peaking in winter and declining in summer. This cycle in attachment strength may represent a plastic response to seasonal shifts in wave climate, or alternatively, may reflect temporal shifts in the allocation of energetic resources between reproduction and attachment. Laboratory experiments will determine the environmental and metabolic cues to which mussels respond and the time lag between cue and response. In addition, field experiments will measure the seasonal variability of the forces imposed on mussels, and of their attachment strength and reproductive condition. Together, these experiments will allow for predictions of the rate of disturbance of mussels that can be verified with measurements of disturbance in the field.This study will provide a detailed understanding of the mechanics which allow this species to dominate wave?swept shores, and will enhance the ability to predict the rate of disturbance of this ecologically important species. Furthermore, this study allows for the prediction of the quantitative response of mussels to any future shifts in wave climate. Given current evidence that increases in wave exposure may be common in the near future, these estimations are likely to form a valuable test of the ability to predict the ecological consequences of climate change.

本计画将着重研究具重要生态价值之潮间带贻贝-紫贻贝对波浪作用之结构反应。初步实验表明，贻贝附着强度随季节变化，冬季达到峰值，夏季下降。依恋强度的这种循环可能代表了对波浪气候季节性变化的塑性反应，或者，可能反映了繁殖和依恋之间能量资源分配的时间变化。实验室实验将确定贻贝对环境和代谢线索的反应以及线索和反应之间的时间差。此外，现场实验将测量施加在贻贝上的力的季节性变化，以及它们的附着强度和繁殖条件。总之，这些实验将允许预测的扰动率的贻贝，可以验证与测量的扰动在field.This研究将提供一个详细的了解力学，使这个物种占主导地位的波？这将提高预测这一生态上重要的物种的扰动率的能力。此外，这项研究允许预测贻贝的定量反应，任何未来的变化，在波气候。鉴于目前的证据表明，在不久的将来，波浪暴露的增加可能是常见的，这些估计可能会形成一个有价值的测试，预测气候变化的生态后果的能力。