African ungulates : a comparative review of their ethology and behavioral ecology
1977
Leuthold, W. |
Ecology
An ABC resource survey method for environmentally significant areas with special reference to biotic surveys in Canada's north
1986
Bastedo, Jamie D. |
Adaptive environmental assessment and management
1978
Holling, C. S. |
Holdgate, Martin W. |
El impacto biológico : problema ambiental contemporáneo
1990
Bolaños, Federico |
Lake management
1980
Jorgensen, S. E. |
Terrestrial nitrogen cycles : processes, ecosystem strategies and management impacts
1981
Clark, R. E. |
Rosswall, T. (Thomas) |
The ecology of Australia's wet tropics : proceedings of a symposium held at the University of Queensland, Brisbane, August 25-27, 1986
1988
Kitching, R. L. |
Census methods for Murres, Uria species : a unified approach
1980
Birkhead, T. R. |
Nettleship, David N. (D. N.) |
Feeding ecology of Pintail, Gadwall, American Widgeon and Lesser Scaup ducklings in southern Alberta
1973
Sugden, Lawson G. |