gptkbp:instanceOf
|
ecoregion classification system
|
gptkbp:appliesTo
|
gptkb:United_States
|
gptkbp:class
|
climate
geomorphology
hydrology
land use
vegetation
soil
landscape homogeneity
|
gptkbp:countryOfOrigin
|
gptkb:United_States
|
gptkbp:creator
|
gptkb:James_M._Omernik
|
gptkbp:firstPublished
|
1987
|
https://www.w3.org/2000/01/rdf-schema#label
|
Omernik Ecoregions
|
gptkbp:influenced
|
Canadian ecoregion classification
|
gptkbp:level
|
Level I
Level II
Level III
Level IV
|
gptkbp:mapType
|
EPA Ecoregion Maps
|
gptkbp:numberOfLevelIIIRegions
|
105
|
gptkbp:numberOfLevelIIRegions
|
25
|
gptkbp:numberOfLevelIRegions
|
12
|
gptkbp:numberOfLevelIVRegions
|
967
|
gptkbp:publishedIn
|
Ecoregions of North America (2005)
Ecoregions of the United States (1987)
Ecoregions of the Conterminous United States (1995)
|
gptkbp:purpose
|
environmental resource management
ecological research
|
gptkbp:relatedTo
|
gptkb:World_Wildlife_Fund_ecoregions
gptkb:EPA_Level_III_Ecoregions
|
gptkbp:usedBy
|
gptkb:United_States_Geological_Survey
gptkb:United_States_Environmental_Protection_Agency
state environmental agencies
|
gptkbp:website
|
https://www.epa.gov/eco-research/ecoregions
|
gptkbp:bfsParent
|
gptkb:EPA_Level_IV_Ecoregions
|
gptkbp:bfsLayer
|
8
|