Structure and function in coastal ecosystems

沿海生态系统的结构和功能

基本信息

批准号：
36597-2013
负责人：
Grant, Jon
金额：
$ 1.6万
依托单位：
Dalhousie University
依托单位国家：
加拿大
项目类别：
Discovery Grants Program - Individual
财政年份：
2013
资助国家：
加拿大
起止时间：
2013-01-01 至 2014-12-31
项目状态：
已结题

来源：
https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=521404
关键词：
Structure function coastal ecosystems

项目摘要

Estuaries are places where rivers meet the sea in coastal bays. They are places of great productivity, providing services to people like seafood, shoreline protection, and filtration of pollutants. There are several habitat types in estuaries including mud, sand, shellfish beds, and seagrass meadows. Each of the habitats provides different services. Farming of mussels and oysters has the potential to provide some of these services in a controlled way, especially production of seafood. In order to understand the role of these habitats in the overall workings of coastal environments, computer models are used. These ecosystem models rarely include the services mentioned above, especially tied into specific habitats. However, stresses on coastal environments such as runoff from cities, farms, and industry causes damage to these habitats and the services they provide. We propose to improve ecosystem models as well as measurements in estuaries to include the role of ecosystem services. An important function of coastal habitats is the ability to remove nutrients and other harmful inputs. Using measurements and models of nutrient removal in eastern Canada, we will estimate the role of different habitats (shellfish culture, seagrass, sediments) in helping remove these wastes. We will then use these predictions to plan activities such as aquaculture as a means of helping restore the health of coastal ecosystems.

河口是河流在沿海海湾相遇的地方。它们是生产力良好的地方，为海鲜，海岸线保护和污染物过滤等人提供服务。河口中有几种栖息地类型，包括泥土，沙子，贝类床和海草草地。每个栖息地都提供不同的服务。贻贝和牡蛎的耕种有可能以受控的方式提供其中一些服务，尤其是海鲜的生产。为了了解这些栖息地在沿海环境的整体运作中的作用，使用了计算机模型。这些生态系统模型很少包括上述服务，尤其是与特定栖息地有关的服务。但是，对沿海环境（例如城市，农场和行业的径流）的压力会损害这些栖息地及其提供的服务。我们建议改善生态系统模型以及河口的测量，以包括生态系统服务的作用。沿海栖息地的重要功能是能够去除营养和其他有害输入的能力。使用加拿大东部的养分清除的测量和模型，我们将估计不同栖息地（贝类培养，海草，沉积物）在帮助清除这些废物方面的作用。然后，我们将使用这些预测来规划水产养殖等活动，以帮助恢复沿海生态系统的健康。