NCSU Data Collection
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 Legacy denotes outdated data. A more recent version likely exists. Consider an "External Data Source" option linked above, or click the Collection link for updated source options.
| Title | Date | Collection | Extent | Scale | MD |
|---|
EPA BASINS: Level III Ecoregions of the Conterminous United States
Legacy | 1998 | EPA BASINS | Conterminous United States | 1:250,000 |  |
| National Atlas: Biology Data | Dates Vary | National Atlas | United States | Varies | |
Terrestrial Biomes (layer)
Legacy | 2006 | ESRI® Data & Maps 2006 | World | 1:3,000,000 | |
World Wildlife Fund Terrestrial Ecoregions
Legacy | 2006 | ESRI® Data & Maps 2006 | World | 1:3,000,000 | |
ESRI: World Wildlife Fund Terrestrial Ecoregions
Legacy | 2004 | ESRI® Data & Maps 2004 | World | 1:3,000,000 | |
ESRI Data: World Wildlife Fund Ecoregions
Legacy | 2000 | ESRI Data 2000 | World | 1:3,000,000 | |
Geochemical Atlas: Bailey's Ecoregions
Legacy | 1998 | National Geochemical Atlas | Conterminous United States | 1:5,000,000 | |
CMAP: Aquatic Ecoregions of the Conterminous U.S.
Legacy | 1987 | C-MAP | Conterminous United States | 1:7,500,000 | |
| North American Environmental Atlas: Ecosystems and Land Cover | Dates Vary | North American Environmental Atlas | North America | 1:10,000,000 | |
GEO-3: WWF Ecoregions
Legacy | 1998 | GEO-3 | World | 1:15,000,000 | |
Marine Biomes (layer)
Legacy | 2006 | ESRI® Data & Maps 2006 | World | 1:50,000,000 | |
World Wildlife Fund Marine Ecoregions
Legacy | 2006 | ESRI® Data & Maps 2006 | World | 1:50,000,000 | |
ESRI: World Wildlife Fund Marine Ecoregions
Legacy | 2004 | ESRI® Data & Maps 2004 | World | 1:50,000,000 | |
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