Every reference with a DOI in the deposited reference list resolved to a known
work in Crossref or DataCite at the dated check, and none carried a retraction,
withdrawal, or removal notice.
The 34 references without a DOI — listed, not checked
no DOI — not checkedBurke, L. A., Kura, Y., Kassem, K., Revenga, C., Spalding, M., and McAllister, D. (2000). Pilot Analysis of Global Ecosystems. Coastal Ecosystems. World Resources Institute, Washington D.C. Available from: http://www.costabalearsostenible.es/PDFs/AMYKey%20References_Indicators/PAGE_WRI.pdf [accessed 21 June 2014]
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no DOI — not checkedde Klemm, C. (1995). The Legal Development of the Ramsar Convention on Wetlands of International Importance especially as Waterfowl Habitat (2 February 1971). (Ramsar Convention Bureau, Gland, Switzerland) Available from: http://www.ramsar.org/cda/en/ramsar-pubs-books-legal-development-of/main/ramsar/1-30-101%5E23880_4000_0__ [accessed 20 June 2014]
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no DOI — not checkedPrairie potholes.
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no DOI — not checkedThree new wetlands inventories in Brazil.
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no DOI — not checkedRamsar Convention (2012). Report of the Secretary General on the implementation of the Convention at the global level. Ramsar COP11 DOC. 7. Available from: http://www.ramsar.org/pdf/cop11/doc/cop11-doc07-e-sg.pdf [Accessed 10 November 2013].
no DOI — not checkedRamsar Convention Secretariat (2011). Ramsar’s Liquid Assets. 40 years of the Convention on Wetlands. Available from: http://www.ramsar.org/pdf/Ramsar40_booklet/Ramsar_LiquidAssets_E.pdf [accessed 15 April 2014]
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no DOI — not checkedShaw, S. P., and Fredine, C. G. (1956). ‘Wetlands of the United States: their extent and their value to waterfowl and other wildlife.’ U.S. Circular 39. Northern Prairie Wildlife Research Center Online. (Department of the Interior: Washington, DC.) Available from: http://www.npwrc.usgs.gov/resource/wetlands/uswetlan/index.htm [Accessed 12 December 2013].
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