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Quota Restoration

D3. Marine environmental science, pollution and conservation

Definition

Conservation-driven adjustment to harvest quotas.

Quota restoration is the conservation-driven rebuilding of a depleted stock by cutting or closing the harvest quota until biomass recovers, then phasing catch back up. It sits inside a rebuilding plan that sets a biomass target, usually the level supporting maximum sustainable yield, and a timeline, with the total allowable catch held below replacement so the spawning stock grows. The US Magnuson-Stevens Act requires rebuilding plans for overfished stocks, generally within ten years, and the EU Common Fisheries Policy targets fishing mortality at FMSY. Recovery of slow-growing, late-maturing species can take decades.

Source: US Magnuson-Stevens Fishery Conservation and Management Act (rebuilding plans)