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931. World Wildlife Fund Marine Ecoregions, 2008

2001. World Wildlife Fund and ESRI. World Wildlife Fund Marine Ecoregions is a polygon theme representing global marine ecoregions. Ecoregions are defined as relatively large areas of... ESRI.

932. World Wildlife Fund Marine Ecoregions, 2012

2001. World Wildlife Fund and Environmental Systems Research Institute (Redlands, Calif.). World Wildlife Fund Marine Ecoregions is a polygon theme representing global marine ecoregions. Ecoregions are defined as relatively large areas of... Esri.

933. World Wildlife Fund Terrestrial Ecoregions

2001. World Wildlife Fund and Environmental Systems Research Institute (Redlands, Calif.). This polygon shapefile represents World Wildlife Fund (WWF) global terrestrial ecoregions. Ecoregions are defined as relatively large areas of land... Environmental Systems Research Institute (Redlands, Calif.).

934. World Wildlife Fund Terrestrial Ecoregions, 2005

2001. World Wildlife Fund. World Wildlife Fund Terrestrial Ecoregions represents global terrestrial ecoregions. Ecoregions are defined as relatively large areas of land or wa... Esri.

935. World Wildlife Fund Terrestrial Ecoregions 2008

2001. World Wildlife Fund. World Wildlife Fund Terrestrial Ecoregions represents global terrestrial ecoregions. Ecoregions are defined as relatively large areas of land or wa... ESRI.

936. World Wildlife Fund Terrestrial Ecoregions, 2012

2001. World Wildlife Fund and Environmental Systems Research Institute (Redlands, Calif.). World Wildlife Fund Terrestrial Ecoregions is a polygon theme representing global terrestrial ecoregions. Ecoregions are defined as relatively larg... Esri.

937. Wyoming ZIP Code Areas 2002

2001. Geographic Data Technology, Inc. (GDT). Wyoming ZIP Code Areas represents five-digit ZIP Code areas used by the U.S. Postal Service to deliver mail more effectively. The first digit of a... Environmental Systems Research Institute, Inc. (ESRI).

938. Young of the Year Distribution: Canary Rockfish, California, 2001

2001. California. Department of Fish and Game. Marine Resources Region. This polyline shapefile depicts distribution for Young of the Year (YOY) Canary Rockfish (Sebastes pinniger), those fish born within the past year ... California. Department of Fish and Game. Marine Resources Region.

939. Zebra Mussels, New York State, 2001

2001. U.S. Geological Survey, Florida Caribbean Science Center. A small mollusk called the zebra mussel has been steadily invading America's rivers and lakes. Zebra mussels colonize water intake pipes and severe...