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Case study

Use of MARXAN for marine zoning in St. Kitts and Nevis

Lesson learned
In reviewing model output, it is important to remember that Marxan with Zones provides decision support and is not the decision maker. The program does not provide the ultimate solution, and many of the input parameters require experimentation. Each output solution should be subject to visual inspection, and local knowledge should be incorporated to update and improve future model runs. Sensitivity analysis of parameters can improve the robustness of model outputs.
Integration of local knowledge into decision-making and public participation for marine planning.
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Marxan with Zones was implemented in St. Kitts and Nevis in the eastern Caribbean to help inform the development of a multi-objective marine zoning design. Marxan with Zones was used to understand the complex spatial interactions of multiple uses and objectives within the marine shelf area of St. Kitts and Nevis. Additionally, the mapped inputs and outputs assisted in the visualization of zoned marine areas from the perspective of Kittitians and Nevisians.