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.

该项目将重点研究对生态重要的潮间带Mytilus Edulis的波动作用的结构反应。初步实验表明贻贝的依恋强度在季节性变化，冬季达到顶峰，夏季下降。附着强度的此循环可能代表对波气候中季节性变化的塑性反应，或者替代地可能反映了生殖和依恋之间的能量资源分配的时间变化。实验室实验将确定贻贝反应的环境和代谢线索以及提示与反应之间的时间滞后。此外，现场实验将测量贻贝上施加的力的季节变异性及其附着强度和生殖条件的季节性变异性。总之，这些实验将允许预测贻贝干扰的速度，这些贻贝的干扰率可以通过田间的干扰测量来验证。这项研究将提供对允许该物种占主导地位的机械的详细理解，并可以增强该物种的能力？此外，这项研究允许预测贻贝对波气候中任何未来变化的定量响应。鉴于当前的证据表明，波浪暴露的增加可能在不久的将来很常见，因此这些估计可能会对预测气候变化的生态后果的能力产生有价值的检验。