PDF(Sci-hub)
Abstract：
Farming of shellfish and seaweeds is a tested tool for mitigating eutrophication consequences in coastal environments, however as many other marine economic activities it should be a subject of marine spatial planning for designating suitable sites. The present study proposes site selection framework for provisional zebra mussel farming in a eutrophic lagoon ecosystem, aimed primarily at remediation purposes. GIS-based multi-criteria approach was applied, combining data from empirical maps, numerical models and remote sensing to estimate suitability parameters. Site selection and prioritisation of suitable areas considered 15 environmental and socio-economic criteria, which contributed to 4 optimisation models (settlement, growth and survival of mussels, environmental and socio-economic) and 3 predefined scenarios representing provisional goals of mussel cultivation: spat production, biomass production and bioremediation. The relative importance of each criterion was assessed utilizing the Analytical Hierarchy Process. Site suitability index was calculated and the final result of the site selection analysis was summarized for 3 scenarios and overall suitability map. Four suitability classes (unsuitable, least, moderately and most suitable) were applied, and 3 most suitable zones for provisional zebra mussel cultivation with 12 candidate sites were selected accordingly. The integrated approach presented in this study can be adjusted for designating zebra mussel farming sites in other estuarine lagoon ecosystems, or cultivation of other mussel species for bioremediation purposes. The analytical framework and the workflow designed in this study are also adoptable for addressing other aquaculture-related spatial planning issues.
摘要：
贝类和海藻养殖是减轻沿海环境富营养化后果的测试工具，然而，与许多其他海洋经济活动一样，它应该是海洋空间规划的主题，以指定合适的地点。本研究提出了在富营养化的泻湖生态系统中临时斑马贻贝养殖的选址框架，主要是为了补救目的。应用了基于GIS的多准则方法，结合经验地图的数据，数值模型和遥感估计适宜性参数。考虑到15个环境和社会经济标准，对合适区域进行选址和优先排序，这有助于4个优化模型(沉降，贻贝的生长和生存，环境和社会经济)和3种代表贻贝种植临时目标的预定义情景：口齿生产，生物质生产和生物修复。利用层次分析法评估每个标准的相对重要性。计算了站点适宜性指数，并总结了3种情景和总体适宜性图的站点选择分析的最终结果。四个适合性类别(不适合，至少,适度和最合适)的应用，并相应地选择了3个最合适的临时斑马贻贝栽培区和12个候选地点。本研究中提出的综合方法可以调整为指定其他河口泻湖生态系统中的斑马贻贝养殖地点，或为生物修复目的而种植其他贻贝。本研究中设计的分析框架和工作流程也可用于解决其他与水产养殖相关的空间规划问题。
