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With a personalyou can read up to articles each month for free. After bears game sex have an ? Log in. Log in through your institution. Wildlife managers often rely on data from hunter-harvested animals for monitoring structural and numerical changes of hunted animal populations, including American black bears Ursus americanus.
Some analyses of hunter-harvested animals assume that sex and age data from harvested animals accurately reflect the demographic structure of the population. We compared sex and age structure from black bears harvested by hunters to estimates of survival rates and causes of mortality for radiomarked male and female black bears at 3 locations in Washington state. These areas reflect the vegetative and geographic variation within Washington and differ in amount of precipitation, vegetation conditions, behavioral ecology of bears, and hunter harvest.
We estimated survival rates from marked bears for hunting and non-hunting seasons to determine whether these data may be represented in the hunter-harvest sample, and compared median age and survival rates for marked bears with life-table survival estimates for bears killed by hunters in each of the 3 regions during We compared survival rates from marked bears and from hunter-harvest data before and after a voter initiative that banned hunting bears with hounds and bait to determine whether changes in harvest regulations influenced survival of bears and was detectable in hunter-harvest data.
Survival rates calculated After bears game sex marked males 0. Median ages for bears from hunter-harvest data were greater than for study-marked bears.
We lacked power to detect possible differences in survival rates between pre- and post-initiative periods among marked bears or hunter-harvest samples. We conclude that data from hunter-harvest reports may be adequate for management objectives; however, they do not represent all mortalities, with non-reported hunter harvest, wounding loss, and depredation control hunts likely ing for additional mortalities.
Ursus is the only journal dedicated to providing scientific information on all of the world's 8 species of bears. Ursus is peer-reviewed and published twice yearly. Ursus includes articles on all aspects of bear management and research worldwide. In addition to manuscripts reporting original research, submissions may be based on thoughtful review and synthesis of ly-reported information, innovative philosophies and opinions, and public policy or legal aspects of wildlife conservation.
Notes of general interest are also welcome and are published as "Short Communications". Manuscripts that do not fit a traditional research style are welcome and may be published under the heading "Perspectives, Essays, and Reviews". The International Association for Bear Research and Management IBA is a non-profit tax-exempt USA tax organization open to professional biologists, wildlife managers and others dedicated to the conservation of all bear species. The organization has over members from over 50 countries.
It supports the scientific management of bears through research and distribution After bears game sex information. The IBA sponsors international conferences on all aspects of bear biology, ecology and management. Many of the conference papers are published as peer-reviewed scientific papers in the journal Ursus. Cite After bears game sex Item Copy Citation.
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Unlimited access After bears game sex purchased articles. Ability to save and export citations. Custom alerts when new content is added. Abstract Wildlife managers often rely on data from hunter-harvested animals for monitoring structural and numerical changes of hunted animal populations, including American black bears Ursus americanus. Journal Information Ursus is the only journal dedicated to providing scientific information on all of the world's 8 species of bears. Publisher Information The International Association for Bear Research and Management IBA is a non-profit tax-exempt USA tax organization open to professional biologists, wildlife managers and others dedicated to the conservation of all bear species.After bears game sex
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