Timber Damage By Black Bears
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Author | : Dale L. Nolte |
Publisher | : |
Total Pages | : 14 |
Release | : 2003 |
Genre | : Black bear |
ISBN | : |
Describes alternative approaches to controlling the damage black bears cause during the spring when they strip bark to eat the newly formed wood underneath. One bear might strip as many as 70 trees in a day. The trees will be damaged and may be killed if the bark is stripped all the way around the tree, girdling it. Bears appear to strip the most vigorous trees, preferring stands that have been thinned, or those where urea fertilizer has been applied. Bears also appear to prefer trees with a high concentration of sugars relative to the concentration of terpenes. Pruning decreases the sugar-to-terpene ratio, reducing the likelihood that trees will be stripped by bears. Bears generally quit stripping trees once other foods become available during the late spring or early summer. One approach to reducing damage has been to provide supplemental feed (pellets resembling dog food) in stands being damaged by bears. In one study, damage was just one-fifth as much in stands with feeders as in stands without feeders. Killing bears in areas where trees are being stripped can also reduce damage. Other approaches, such as relocation, contraception or sterilization, or repellents, are not generally practical for protecting forest plantations.
Author | : |
Publisher | : |
Total Pages | : 1136 |
Release | : 1990 |
Genre | : Forests and forestry |
ISBN | : |
Author | : |
Publisher | : |
Total Pages | : 380 |
Release | : 1990 |
Genre | : Forest protection |
ISBN | : |
Author | : |
Publisher | : |
Total Pages | : 220 |
Release | : 1992 |
Genre | : Forests and forestry |
ISBN | : |
Author | : Clifford J. Martinka |
Publisher | : |
Total Pages | : 390 |
Release | : 1980 |
Genre | : Bears |
ISBN | : |
Author | : |
Publisher | : |
Total Pages | : 440 |
Release | : 1992 |
Genre | : Forest protection |
ISBN | : |
Author | : William Dasmann |
Publisher | : |
Total Pages | : 72 |
Release | : 1975 |
Genre | : Big game animals |
ISBN | : |
Author | : Russell F. Reidinger Jr. |
Publisher | : JHU Press |
Total Pages | : 267 |
Release | : 2022-10-18 |
Genre | : Science |
ISBN | : 1421445263 |
The latest edition of this classic guide details how to understand and resolve a broad array of human-wildlife conflicts. This new edition of Human-Wildlife Conflict Management updates our understanding of the human dimensions, as well as biological and ecological concepts, underlying human-wildlife conflicts. While it provides wildlife professionals and students with the knowledge and adaptive management strategies to resolve such conflicts, it uniquely explores negative interactions with a wide range of wildlife taxa beyond those typically covered in traditional wildlife damage management, including invasive plants, invertebrates, and fish. Designed to help students and natural resource practitioners gain a deeper understanding of how to successfully avoid and resolve conflict between humans and wildlife, it is informed by author Russell F. Reidinger's decades of teaching students and professionals how to anticipate and manage human-wildlife conflicts, as well as his experience leading a national research program devoted to this work. The book covers important human-wildlife topics such as: • individual-, population-, and ecosystem-level effects • survey techniques • management methods • human dimensions • economic issues • legal and political aspects • damage management strategies Featuring explanations of important terminology and pertinent biological and ecological concepts, Reidinger also shares the latest research, provides a plethora of real-world examples, and includes suggestions for additional resources.
Author | : United States. Congress. House. Committee on Appropriations. Subcommittee on Agriculture, Rural Development, Food and Drug Administration, and Related Agencies |
Publisher | : |
Total Pages | : 980 |
Release | : 2012 |
Genre | : United States |
ISBN | : |
Author | : Denver Wildlife Research Center |
Publisher | : |
Total Pages | : 94 |
Release | : 1998 |
Genre | : Wildlife research |
ISBN | : |