5 treff

Ecosystem management : applications for sustainable forest and wildlife resources
edited by Mark S. Boyce and Alan Haney
Bok Engelsk 1997
The Greater Yellowstone ecosystem : redefining America's wilderness heritage
Robert B. Keiter and Mark S. Boyce, edito...
Bok Engelsk 1991
The Jackson elk herd : intensive wildlife management in North America
Mark S. Boyce
Bok Engelsk 1989
North American elk : ecology, behavior and management
edited by Mar k S. Boyce and Larry D. Hay...
Bok Engelsk 1979
A bibliography on the sage grouse (Centrocercus urophasianus)
by Mark S. Boyce and James Tate, Jr
Bok Engelsk 1979