page_title: Sustainable fishery
section_title: Obstacles
hierarchical_section_title: Sustainable fishery / Obstacles
caption_attribution_description: Global land and undersea elevation. See also Image:LARGE elevation.jpg &#8212; a high-resolution (13MB) version of this image Image:Earth surface NGDC 2000.jpg &#8212; made from similar data
context_page_description: A conventional idea of a sustainable fishery is that it is one that is harvested at a sustainable rate, where the fish population does not decline over time because of fishing practices. Sustainability in fisheries combines theoretical disciplines, such as the population dynamics of fisheries, with practical strategies, such as avoiding overfishing through techniques such as individual fishing quotas, curtailing destructive and illegal fishing practices by lobbying for appropriate law and policy, setting up protected areas, restoring collapsed fisheries, incorporating all externalities involved in harvesting marine ecosystems into fishery economics, educating stakeholders and the wider public, and developing independent certification programs.
caption:   Large areas of the global continental shelf, highlighted in cyan, have had heavy bottom trawls repeatedly dragged over them
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