海量图书期刊资源,随时随地畅享阅读乐趣
Estimating Harvest Rates of Bears from Sex Ratio ChangesRichard B. Harris and Lee H. Metzgar · The Journal of Wildlife Management · 1987
A Selection of Papers from the Fifth International Conference on Bear Research and Management, Madison, Wisconsin, USA, February 1980 || PrefaceE. Charles Meslow · Bears: Their Biology and Management · 1983
A Selection of Papers from the Fifth International Conference on Bear Research and Management, Madison, Wisconsin, USA, February 1980 || Front MatterBears: Their Biology and Management · 1983
A Selection of Papers from the Fifth International Conference on Bear Research and Management, Madison, Wisconsin, USA, February 1980 || Back MatterBears: Their Biology and Management · 1983
A Selection of Papers from the Fourth International Conference on Bear Research and Management, Kalispell, Montana, USA, February 1977 || Front MatterBears: Their Biology and Management · 1980
A Selection of Papers from the Fourth International Conference on Bear Research and Management, Kalispell, Montana, USA, February 1977 || Back MatterBears: Their Biology and Management · 1980
A Selection of Papers from the Fourth International Conference on Bear Research and Management, Kalispell, Montana, USA, February 1977 || PrefaceC. J. Martinka and K. L. McArthur · Bears: Their Biology and Management · 1980
Part 2: A Selection of Papers from the Ninth International Conference on Bear Research and Management, Grenoble, France, October 1992 || Front MatterBears: Their Biology and Management · 1997
Part 2: A Selection of Papers from the Ninth International Conference on Bear Research and Management, Grenoble, France, October 1992 || Back MatterBears: Their Biology and Management · 1997