Results 31 to 40 of about 3,849 (210)

Genetic data inform Yosemite National Park's apple orchard management guidelines

open access: yesPlants, People, Planet, 2021
Societal Impact Statement Yosemite National Park, California, USA has hundreds of apple trees in orchards that were planted in the 1800s by local settlers.
Gayle M. Volk   +4 more
doaj   +1 more source

Remodeling of skeletal muscle myosin metabolic states in hibernating mammals

open access: yeseLife
Hibernation is a period of metabolic suppression utilized by many small and large mammal species to survive during winter periods. As the underlying cellular and molecular mechanisms remain incompletely understood, our study aimed to determine whether ...
Christopher TA Lewis   +22 more
doaj   +1 more source

Ursus americanus Pallas 1780

open access: yes, 1982
Ursus americanus Pallas, 1780. Spicil. Zool., 14:5. TYPE LOCALITY: Eastern North America. DISTRIBUTION: N. C. Alaska to Labrador and Newfoundland (Canada), south to C. California, N. Nevada (U.S.A.), N. Nayarit and S. Tamaulipas (Mexico), and Florida (U.S.A.). COMMENT: Placed in subgenus Euarctos by Hall, 1981:947; and Thenius, 1979:293. Hendy, 1980:98,
James H. Honacki   +2 more
openaire   +2 more sources

Large carnivores under assault in Alaska.

open access: yesPLoS Biology, 2019
In Alaska, gray wolves (Canis lupis), brown bears (Ursus arctos), and black bears (U. americanus) are managed in most of the state in ways intended to significantly reduce their abundance in the expectation of increasing hunter harvests of ungulates.
William J Ripple   +3 more
doaj   +1 more source

Trans Fatty Acids Provide Evidence of Anthropogenic Feeding by Black Bears

open access: yesHuman-Wildlife Interactions, 2017
Bears (Ursus spp.) that become conditioned to anthropogenic food sources pose a risk to human safety and generally need to be relocated, rehabilitated, or destroyed.
Gregory W. Thiemann   +3 more
doaj   +1 more source

Threats to the World's Bears and Efforts to Conserve Them: Perspectives and Actions of IUCN Bear Specialist Group Members 世界熊类面临的威胁及其保护努力:IUCN熊类专家组成员的观点与行动

open access: yesIntegrative Conservation, EarlyView.
A survey of IUCN Bear Specialist Group (BSG) members revealed that habitat loss, degradation and fragmentation is the greatest threat to each of the 7 species of terrestrial bears. Poaching and human–bear conflicts are also high threats for some of these species.
David L. Garshelis   +3 more
wiley   +1 more source

Intrinsic traits of woodland caribou Rangifer tarandus caribou calves depredated by black bears Ursus americanus and coyotes Canis latrans

open access: yesWildlife Biology, 2019
Individuals in substandard physical condition are predicted to be more vulnerable to predation. Support for this prediction is inconsistent partly as a result of differences across systems in the life histories of predator and prey species. Our objective
Matthew A. Mumma   +5 more
semanticscholar   +1 more source

Ursus americanus Pallas 1780

open access: yes, 2005
Ursus americanus Pallas 1780 Ursus americanus Pallas 1780, Spicil. Zool., 14: 5. Type Locality: Not given. In Pallas' (1780) description, he refered to Brickell (1737) who implied North Carolina (USA) by stating they "are very common in this province." Palmer (1904) listed the locality as "eastern North America".
Wilson, Don E., Reeder, DeeAnn
openaire   +2 more sources

Behavioral responses of black bears to human presence and infrastructure in Yosemite National Park

open access: yesThe Journal of Wildlife Management, EarlyView.
Using GPS collar data from black bears in Yosemite National Park, we examined how bear spatiotemporal activity in relation to human development shifted during the COVID‐19 park closure in 2020. In the absence of visitors, bears maintained consistent landscape‐scale space use but altered fine‐scale spatial and temporal behaviors.
Jennifer R. Green   +9 more
wiley   +1 more source

Digital surveillance of animals and nature recovery

open access: yesPeople and Nature, EarlyView.
Abstract Digital surveillance technologies (DSTs) are widely applied in nature recovery for their potential to generate novel data on species and ecosystems through digital tracking, automation (e.g. from hazardous locations) and from newly recruited citizen scientists.
William M. Adams
wiley   +1 more source

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