Ecoregions of the Conterminous United States: Evolution of a Hierarchical Spatial Framework
Crossref DOI link: https://doi.org/10.1007/s00267-014-0364-1
Published Online: 2014-09-16
Published Print: 2014-12
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Omernik, James M.
Griffith, Glenn E.
Text and Data Mining valid from 2014-09-16