Terrestrial Ecoregions of the World: A New Map of Life on Earth

David M. Olson, Eric Dinerstein, Eric Wikramanayake, +15

BioScience

The Natural Flow Regime

N. LeRoy Poff, J. David Allan, Mark B. Bain, +5

BioScience

Natural Flow RegimeRiver Basin ManagementEngineeringRiver RestorationWater Resources +10

Marine Ecoregions of the World: A Bioregionalization of Coastal and Shelf Areas

Mark Spalding, Helen Fox, Gerald R. Allen, +12

BioScience

EngineeringOcean Space UtilizationMarine SystemsOceanographyMarine Environment +19

Urbanization, Biodiversity, and Conservation

Michael L. McKinney

BioScience

Urban GeographyGeographyUrban DevelopmentUrban BiodiversityUrban Ecology +4

Quantifying Threats to Imperiled Species in the United States

David S. Wilcove, David E. Rothstein, Jason Dubow, +2

BioScience

Proximate Causes and Underlying Driving Forces of Tropical Deforestation

Helmut Geist, Éric F. Lambin

BioScience

EngineeringAfforestationProximate CausesDeforestation

A Global Crisis for Seagrass Ecosystems

Robert J. Orth, Tim J. B. Carruthers, William C. Dennison, +10

BioScience

Environmental and Economic Costs of Nonindigenous Species in the United States

David Pimentel, Lori Lach, Rodolfo Zuniga, +1

BioScience

Nonindigenous SpeciesEngineeringNatural Resource ValuationAgricultural EconomicsEnvironmental Economics +16

The Nitrogen Cascade

James N. Galloway, John D. Aber, Jan Willem Erisman, +4

BioScience

Cascading Trophic Interactions and Lake Productivity

Stephen R. Carpenter, James F. Kitchell, James R. Hodgson

BioScience