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- Number of Mammal Species by Marine Ecoregion
Number of Mammal Species by Marine Ecoregion
Nov 8, 2011
(Last modified Jan 13, 2016)
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TNC GIS Staff
Dataset was reviewed in another manner
- Description:
- Number of marine mammal species, by marine ecoregion.
We extracted marine mammals from version 1.0 of the global polygon data set compiled by UNEP-WCMC from the publication Marine Mammals of the World (Jefferson et al. 1993) (for more information about the UNEP-WCMC source data set, e-mail spatialanalysis@unep-wcmc.org). There were 118 species in the data set (including cetaceans, sirenians, pinnipeds, and other marine carnivores). These included coastal and high seas species, although the latter may only occasionally venture onto continental shelf areas. It is likely that total diversity is underestimated for the Southern Ocean Realm, particularly the sub-Antarctic islands, because certain species in this realm did not have full polygon range maps. We used the range maps to calculate the number of species per marine ecoregion.
These data were derived by The Nature Conservancy, and were displayed in a map published in The Atlas of Global Conservation (Hoekstra et al., University of California Press, 2010). More information at http://nature.org/atlas.
Data derived from:
Jefferson, T. A., S. Leatherwood, and M. A. Webber. 1993. Marine Mammals of the World. Nairobi: United Nations Environment Programme; Rome: Food and Agriculture Organization of the United Nations.
UNEP World Conservation Monitoring Centre (UNEP-WCMC). 2008. Data on marine mammal ranges, v.1.0. Cambridge: Author. Digital media.
- Data Provided By:
- The Nature Conservancy
- Content date:
- not specified
- Citation:
- Hoekstra, J. M., J. L. Molnar, M. Jennings, C. Revenga, M. D. Spalding, T. M. Boucher, J. C. Robertson, T. J. Heibel, with K. Ellison. 2010. The Atlas of Global Conservation: Changes, Challenges, and Opportunities to Make a Difference. Ed. J. L. Molnar. Berkeley: University of California Press.
- Contact Organization:
- The Nature Conservancy
- Contact Person(s):
Timothy Boucher
- Use Constraints:
- Any modification of the original map to ecoregion boundaries, units, names, or realm and province classes must be noted and explained alongside the original citation. (For citation, see Data Set Credit.)
The MEOW Working Group (authors Spalding et al.) shall not be held liable for improper or incorrect use of the data described and/or contained herein. Any sale, distribution, loan, or offering for use of these digital data, in whole or in part, is prohibited without the approval of the MEOW Working Group. The use of these data to produce other GIS products and services with the intent to sell for a profit is prohibited without the written consent of the MEOW Working Group. All parties receiving these data must be informed of these restrictions. The MEOW Working Group and its members' respective organizations shall be acknowledged as data contributors to any reports or other products derived from these data.
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About the Uploader
TNC GIS Staff
GIS staff with The Nature Conservancy
This is a shared account for TNC staff to use to upload spatial data, to avoid the problem of data being "orphaned" when an individual leaves TNC.
