博士 / 國立中山大學 / 海洋環境及工程學系研究所 / 101 / Over the past 50 years, human activity has altered ecosystems more rapidly and extensively than in any comparable period of time in human history. Subject to rising population densities (40 % of the people in the world living within 100 kilometres of the coast) and resources exploitation rates, coastal ecosystems are among the most vulnerable. Particularly at risk are coral reefs ecosystems, whose recent decline worldwide calls for an urgent shift in management strategies. Maximizing short-term yield rather than securing long-term sustainability can no longer be the objective of natural resources agencies and adaptive ecosystem management imposes now itself as the most adequate tool. As a decision-making support, ecosystem models are becoming an essential part of it, especially when integrated with socio-economic systems. This study presents such an integrated modelling framework that combines the strengths of the Ecopath with Ecosim approach (mass-balance equilibrium and realistic ecosystem description) with the modular capability of the System Dynamics approach. Two cases studies are presented in order to demonstrate potential ways to expand the scope of the model by adding generic model structures, as well as the development of dynamic indicators of ecosystem sustainability, the use of the PEST software for parameter estimation/regularisation and model calibration, and the spatialization of the model over a grid of cells.
| Identifer | oai:union.ndltd.org:TW/101NSYS5282035 |
| Date | January 2013 |
| Creators | Pierre-Alexandre Château, 夏沛亞 |
| Contributors | Yang-Chi Chang, 張揚祺 |
| Source Sets | National Digital Library of Theses and Dissertations in Taiwan |
| Language | en_US |
| Detected Language | English |
| Type | 學位論文 ; thesis |
| Format | 88 |
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