Analysis of information sources in references of the Wikipedia article "Marine protected area" in English language version.
Wells, Sue; Sheppard, V.; van Lavieren, H.; Barnard, N.; Kershaw, F.; Corrigan, C.; Teleki, K.; Stock, P.; Adler, E. (2008). National and Regional Networks of Marine Protected Areas:A Review of Progress. Master Evaluation for the UN Effort. World Conservation Monitoring Centre The Americas. ISBN 9789280729757. Retrieved 2009-03-18."A clearly defined geographical space, recognised, dedicated, and managed, through legal or effective means, to achieve the long-term conservation of nature with associated ecosystem service and cultural value."
In the U.S., MPAs span a range of habitats, including the open ocean, coastal areas, inter-tidal zones, estuaries, and the Great Lakes.
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