Mangroves are important fish hatcheries. It prevents coastal erosion and provides timber resources. However, it limits land access to coastal and fishpond areas. This article presents a cost-benefit analysis on mangrove preservation.

Fishing should be an employment of last resort. This article argues why through analysis of water quality and fisheries in conjunction to the role of human population and overfishing on yields.

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Information on ecological qualities can play an important role in land-use planning. This information is not always in a form that is suitable to support planning and negotiation among stakeholders. In this paper we describe an approach that uses ecological information based on expert knowledge...