A. Contact the county conservation agent. The Japanese black bear (Ursus thibetanus japonicus) causes serious and persistent damage to conifer plantations in some areas of Japan.From 2006–08, we examined bear damage and tree characteristics (diameter at breast height [DBH], width of growth rings, and amount and nutritional content of newly-developing vascular tissues) in 7 even-aged stands of Japanese cypress … Killing of deer or bear damaging fruit trees, crops, livestock,or personal property or creating a hazard to aircraft or motor vehicles. The damage from a slap is nothing close to the folklore that a bear can disembowel man or beast with a swipe of the paw. Small trees are stripped of branches or mature trees have large limbs broken in the tops. The most common bear enticers include garbage cans, bird or pet food, and grills. Vertical tooth and claw marks may be noticed. Black bear damage typically occurs in the Spring. They create this damage while feeding on the inner bark, as well as to intentionally leave a territorial mark. Black bear claws are strong for climbing trees, but not sharp for holding prey. They damage trees by clawing bark and breaking branches, and will feed from fruit trees. Bears also favor fruit trees and vegetables. They are also adept at digging and will enter gardens looking for roots and tubers, as well as vegetation. Where damage to fruit trees, crops, livestock, or personal property has occurred, the owner or lessee of the property may receive authorization to destroy an offending bear, but only after such damage has been reported to and verified by the local game warden. Trees and crops also may suffer bear damage. How to protect pets from bear attack Explore this solution. Claw marks may be seen 4 1/2 to 6 feet above the ground. Damage may be extensive, up to 70 trees in one day. Black Bear Damage to Regenerating Redwoods Conclusions from 1993 McIntire-Stennis Report #94: Fulgham and Hosack Mean annual bear damage to regenerating redwoods of 6 trees/ha/year (13.4 trees/ac/year) may represent a serious economic problem Bear damage at rotation age indicated that bear damaged redwoods Black bear attacks on humans are rare but often begin as scuffles with dogs, experts say The dog may run to its owner for protection as the bear follows close behind. How to deal with a bear in my house Explore this solution. Stripped bark will lay on the ground. Grizzly bear claws are even duller because they are used for digging. The cause of the damage appears to be limited to black bears, Schnepf said. Black bears cause two types of damage to trees. The Priest Lake area is in grizzly bear country, which limits black bear management options, Siitari said. First, they strip the bark and then scrape the cambium from young trees with their incisors, leaving vertical scars. 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