1999. World Wildlife Fund and Environmental Systems Research Institute, Inc. (ESRI). World Wildlife Fund Ecoregions represents global terrestrial and freshwater ecoregions defined as relatively large areas of land or water in the wo... Environmental Systems Research Institute, Inc. (ESRI).
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2001. World Wildlife Fund and Environmental Systems Research Institute (Redlands, Calif.). This polygon shapefile represents World Wildlife Fund (WWF) global marine ecoregions. Ecoregions are defined as relatively large areas of land or w... Environmental Systems Research Institute (Redlands, Calif.).
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.
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.
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.).
2008. World Wildlife Fund and ESRI. World Wildlife Fund Terrestrial Ecoregions is a polygon theme representing global terrestrial ecoregions. Ecoregions are defined as relatively larg... ESRI.
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.
2448. wwf_eco
1999. World Wildlife Fund. World Wildlife Fund Ecoregions represent 24,944 defined global ecoregions. Ecoregions are defined as relatively large areas of land or water that s...
2000. University of Minnesota. Institute on the Environment. This raster dataset represents the average yield for yam crops in tons per hectare. Croplands cover ~15 million km2 of the planet and provide the b... University of Minnesota. Institute on the Environment.
2000. University of Minnesota. Institute on the Environment. This raster dataset represents the agricultural census data quality for yam crop yields. Data quality categories include (0= missing, 0.25= county ... University of Minnesota. Institute on the Environment.