Fishes - - Control - - United States - - Congresses. ;<br> Fish populations - - Congresses. ;<br> Wildlife conservation - - United States - - Congresses.
Nine private organizations and eight federal agencies cosponsored the symposium, which consisted of 133 papers presented in three concurrent sessions (and a poster session) on: coastal zone wetlands; inland wetlands; economic considerations;...
Wilderness areas - - Rocky Mountains - - Congresses. ;<br> Air - - Pollution - - Standards - - Rocky Mountains - - Congresses. ;<br> Trees - - Effect of pollution on - - Rocky Mountains - - Congresses.
This document is the product of an ongoing effort begun at a 4-day workshop sponsored by the Rocky Mountain Region of the USDA Forest Service, held in December 1990 in Estes Park, Colorado. Workshop participants gathered in groups to work on...
A comprehensive framework for assessing threats to wilderness is described. The framework is represented as a matrix of potential threats and attributes of wilderness character. Cells in the matrix represent the impacts of threats on each...
Wildlife conservation United States. ; <br>Wildlife conservation -- United States. ; <br> Petroleum engineering -- United States. ; <br> Petroleum -- United States.
This report describes: (1) petroleum exploration, development, and production; (2) potential environmental disruptions; (3) effects of disruptions on wildlife behavior, habitat, and populations; and (4) strategies for minimizing and mitigating...