Advances on ecosystem models of marine ecosystem and coastal engineering
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Abstract:
Through previous studies,the main research method is obtained,by establishing ecosystem models based on the experiment and observation.In this paper,the marine ecosystem model research results have been summarized,and it is found that the primary productivity model is the main direction of the pure ecological model and the ecosystem dynamical model is a inevitable trend of the future marine ecosystem.Meanwhile,the largescale marine construction projects have made a great impact on marine ecosystems in our country,while related ecosystem impact forecasting model is still less,so it seems especially important to improve the marine ecosystem forecasting capacity in order to effectively reduce the ecosystem impact which the coastal construction projects make on.Keywords:
Marine ecosystem
Ecosystem model
Coastal ecosystem
Ecosystem-Based Management
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The management for ecosystem has become the development trend of marine industry management, this article analyzes the effect of marine industry on marine ecosystem including excess fishing's directly leading the decrease and extinction of population, marine pollution's leading deterioration of specie inhabitation environment, sea-closure and filling engineering's leading the damage of marine ecosystem and etc; the article shows the law framework, international organizations relevant countries' practice and main measures of international ecosystem of marine industry management and points out China's problem in this aspect. This article draws the path of how does China's marine industry management to apply ecosystem approach with foresighted thinking manner from the visual angle of state's development strategy. This path is: enhance the basis scientific research of marine ecosystem; deploy the rehabilitation work research of marine ecosystem; establish citizens' participation system of marine ecology protection and establish and perfect the basic framework of relevant law system.
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Ecosystem Approach
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Ecosystem health evaluation is the bridge in which the knowledge human learned can be applied to management and decision-making, and it is also the basis of ecological protection, ecological recovering and ecosystem management. The offshore area is the area where there is a strong interaction between land and ocean, and it is affected by human activities greatly. The evaluation, prediction and research of offshore area ecosystem health can provide ocean ecological management with scientific basis. In this paper, the concept and connotation of health of ocean Ecosystem is analyzed systematically and several problems existing in the present ecological healthy evaluation are pointed out. The healthy status of marine ecosystem and its environmental challenge are also indicated. What's more, the emphasis of the study of marine ocean ecosystem health in the future has been suggested.
Marine ecosystem
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Ecological health
Total human ecosystem
Ecosystem-Based Management
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Climate change is already impacting the ability of marine and coastal ecosystems to provide food, income, protection, cultural identity, and recreation to coastal residents, especially vulnerable communities in tropical areas. These impacts will continue and increase over the short to medium term, even as the community of nations works to reduce its greenhouse gas emissions. There is an urgent need to develop, implement, and fund ecosystem-based adaptation strategies in coasts and oceans as a central part of the global response to climate change. Coastal and marine ecosystem protection and restoration is the foundation for ecosystem-based adaptation, and strong and specific provisions for the development, implementation and funding coastal and marine ecosystem-based adaptation need be a central part of a Post-2012 Climate Agreement.
Marine ecosystem
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