Black Bear Food Habits in Yosemite National Park

1983 ◽  
Vol 5 ◽  
pp. 1 ◽  
Author(s):  
David M. Graber ◽  
Marshall White
Keyword(s):  
Food Habits ◽  
National Park ◽  
Black Bear ◽  
Yosemite National Park

Black Bear Aggression in the Backcountry of Yosemite National Park

1986 ◽  
Vol 6 ◽  
pp. 145
Author(s):  
Bruce C. Hastings ◽  
Barrie K. Gilbert ◽  
David L. Turner
Keyword(s):  
National Park ◽  
Black Bear ◽  
Yosemite National Park

Food habits and nutrition of black bears during a gypsy moth infestation

1995 ◽  
Vol 73 (9) ◽  
pp. 1771-1775 ◽  
Author(s):  
John W. Kasbohm ◽  
James G. Kraus ◽  
Michael R. Vaughan
Keyword(s):  
Gypsy Moth ◽  
Food Habits ◽  
National Park ◽  
Crude Protein ◽  
Ursus Americanus ◽  
Substantial Reduction ◽  
Black Bear ◽  
Black Bears ◽  
Phytolacca Americana ◽  
Shenandoah National Park

During 1988–1991 we determined food habits and indices of diet quality for a black bear (Ursus americanus) population in Shenandoah National Park, Virginia, experiencing a severe gypsy moth (Lymantria dispar) defoliation event, and compared the results with data collected prior to defoliation (1982–1984). Gypsy moth infestation resulted in extensive summer overstory canopy loss and a complete acorn failure in affected areas. As in predefoliation years, analysis of scats collected during defoliation indicated that bears ate primarily herbaceous vegetation in spring, followed by squawroot (Canopholis americana) and fruits of black and sweet cherry (Prunus serotina and P. avium) in summer. However, in early and late fall bears switched from consuming predominantly acorns before defoliation to pokeweed (Phytolacca americana) berries and grapes (Vitis spp.), respectively, during defoliation. Despite acorn loss, no decline in dietary nutritional quality was observed in comparisons of the percentages of crude protein, crude fat, and crude fiber in seasonal diets before and during defoliation. When it is available, bears can successfully exploit soft mast as a fall food source and do not necessarily experience a substantial reduction in food quality if acorn crops fail.

Assessment of Communication Focused on Human-Black Bear Conflict at Yosemite National Park

2003 ◽  
Vol 8 (1) ◽  
pp. 25-40 ◽  
Author(s):  
Brenda K. Lackey ◽  
Sam H. Ham
Keyword(s):  
National Park ◽  
Spatial Relationship ◽  
Black Bear ◽  
Management Policy ◽  
Future Research ◽  
Yosemite National Park ◽  
Message Delivery ◽  
Message Content ◽  
Communication Program ◽  
Interpretive Services

This study assessed how Yosemite National Park (YNP) targets the continuing problem of human-black bear conflicts via interpretive communication. The research examines how YNP delivers information to visitors about human-black bear conflicts, and how visitors receive that information. Key variables include message recall by visitors, the effectiveness of message content and media in reaching visitors in various overnight lodging locations, the spatial relationship between message delivery and bear incidents, and the role of park employees in delivering bear information to visitors. Results indicate that park visitors receive messages about bears. Inconsistencies between messages delivered via personal interpretive services and YNP bear management policy were revealed. Implications for future research and improving YNP's human-bear communication program are offered.

scholarly journals Observation of an American Black Bear Eating Odonates in Yosemite National Park

2017 ◽  
Vol 77 (1) ◽  
pp. 99 ◽  
Author(s):  
Karla T. Moeller ◽  
Alina K. Moeller ◽  
Francisca Moyano ◽  
Erick J. Lundgren
Keyword(s):  
National Park ◽  
Black Bear ◽  
Yosemite National Park ◽  
American Black Bear ◽  
American Black

Food habits of American black bears as a metric for direct management of human–bear conflict in Yosemite Valley, Yosemite National Park, California

Ursus ◽  
2009 ◽  
Vol 20 (2) ◽  
pp. 94-101 ◽  
Author(s):  
Schuyler S. Greenleaf ◽  
Sean M. Matthews ◽  
R. Gerald Wright ◽  
John J. Beecham ◽  
H. Malia Leithead
Keyword(s):  
Food Habits ◽  
National Park ◽  
Black Bears ◽  
Yosemite National Park ◽  
Yosemite Valley ◽  
American Black ◽  
American Black Bears ◽  
Direct Management

Tree and shrub measurements in Stanislaus National Forest and Yosemite National Park, collected in 1911 and 2005–2013

2017 ◽  
Author(s):  
Brandon M. Collins ◽  
Danny L. Fry ◽  
Jamie M. Lydersen ◽  
Richard G. Everett ◽  
Scott L. Stephens
Keyword(s):  
National Park ◽  
National Forest ◽  
Yosemite National Park
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