Author :
Publisher :
Page : 210 pages
File Size : 43,10 MB
Release : 1987
Category : Aquatic resources
ISBN :
Author :
Publisher :
Page : 210 pages
File Size : 10,12 MB
Release : 1988
Category : Aquatic resources
ISBN :
Author : John D. Varley
Publisher : Stackpole Books
Page : 170 pages
File Size : 30,72 MB
Release : 1998
Category : Nature
ISBN : 9780811727778
This richly illustrated and thoroughly researched reference covers all the species of fish and every aspect of their existence in one of the most famous sport fisheries in the world. This edition includes new material on the impact of forest fires and the introduction of non-native species; an expanded chapter on angling; and an assessment of recent management policies. Full color plates and historic b&w photos.
Author :
Publisher :
Page : 250 pages
File Size : 15,78 MB
Release : 1987
Category : Bears
ISBN :
Author :
Publisher :
Page : 164 pages
File Size : 23,27 MB
Release : 1997
Category : Ecosystem management
ISBN :
Author : P. J. White
Publisher : Harvard University Press
Page : 362 pages
File Size : 39,11 MB
Release : 2013-04-01
Category : Nature
ISBN : 0674076419
The world's first national park is constantly changing. How we understand and respond to recent events putting species under stress will determine the future of ecosystems millions of years in the making. Marshaling expertise from over 30 contributors, Yellowstone's Wildlife in Transition examines three primary challenges to the park's ecology.
Author : U.S. Fish and Wildlife Service
Publisher :
Page : 524 pages
File Size : 10,5 MB
Release : 1979
Category : Fish culture
ISBN :
Author :
Publisher :
Page : 528 pages
File Size : 48,96 MB
Release : 1980
Category : Fish culture
ISBN :
Author :
Publisher :
Page : 808 pages
File Size : 19,10 MB
Release : 1994-02
Category : Government publications
ISBN :
Author :
Publisher :
Page : 1200 pages
File Size : 42,25 MB
Release :
Category : Government publications
ISBN :
