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Rotational zoning systems (RZSs) have been applied as a spatial management tool for fisheries in developed countries. Fishing grounds are divided into numerous plots and assigned a cyclical periodicity for harvest. This is a distinct spatial management measure that differs from more common measures in the tropics, like periodic closures or marine protected areas.
India is the world's second largest producer of farmed freshwater fish. The state of Andhra Pradesh (AP) is by far the most important producer of fish in India. Since the late 1970s, fish culture in AP has undergone a boom (first with Indian major carps, then pangasius), resulting in expansion of pond area to 142,000 ha, and massive increases in inland farmed fish production, to 1.5 million tons.
Nearshore fish aggregating devices (FADs) are gaining momentum in the Pacific region as a tool to enhance food security and income for fishers and communities, and to reduce pressure on the resources of lagoons and reef fisheries. A lot of experience has been gained by countries across the Pacific.