Identifying Ecoregion Boundaries

The Use and Abuse of Vegetational Concepts and Terms

A. G. Tansley · Ecology · 1935 · 2.8K citations

Land Use, Geography, Vegetational Concepts +3

Ecoregions of the Conterminous United States

James M. Omernik · Annals of the Association of American Geographers · 1987 · 2.7K citations

Landscape Processes, Environmental Geography, Limnology +12

Journal of environmental management

Environmental Pollution (1970) · 1973 · 2.5K citations

Sustainable Environmental Management, Engineering, Environmental Impact Assessment +5

Determination of World Plant Formations From Simple Climatic Data

L. R. Holdridge · Science · 1947 · 1.7K citations

Climatology, Engineering, Botany +5

The Global 200: A Representation Approach to Conserving the Earth’s Most Biologically Valuable Ecoregions

David M. Olson, Eric Dinerstein · Conservation Biology · 1998 · 1.6K citations

Biodiversity Loss, Biodiversity, Engineering +8