James R. Karr

Subjects

Environmental aspects, Fish habitat improvement, Stream ecology, Water quality, Watershed management, Architecture du paysage, Aspect de l'environnement, BUSINESS & ECONOMICS, Biodegradation, Biologie, Biotic communities, Congresses, Congrès, Eau, Ecology, Effect of human beings on, Effets de l'homme, Environmental Science, Environmental Studies, Environmental aspects of Stream channelization, Environnement, Fish populations, Fließgewässer, Forest reserves, Freshwater ecology

Places

United States, Illinois, Oregon, Washington (State)