Author: United States. Forest ServicePublisher:
ISBN:
Category : Birds
Languages : en
Pages : 396
Book Description
Final Environmental Impact Statement on Management for the Northern Spotted Owl in the National Forests
Author: United States. Forest ServicePublisher:
ISBN:
Category : Birds
Languages : en
Pages : 396
Book Description
Record of Decision for Amendments to Forest Service and Bureau of Land Management Planning Documents Within the Range of the Northern Spotted Owl
Author: Publisher:
ISBN:
Category : Forest management
Languages : en
Pages : 248
Book Description
Standards and guidelines for management of habitat for late-successional and old-growth forest related species within the range of the northern spotted owl.
Management Recommendations for the Northern Goshawk in the Southwestern United States
Author: United States. Forest Service. Southwestern Region. Northern Goshawk Scientific CommitteePublisher:
ISBN:
Category : Goshawk
Languages : en
Pages : 208
Book Description
Northern Spotted Owl Habitat Conservation Plan for Private Forestlands in California
Author: California. State Board of Forestry. Habitat Conservation Plan Steering CommitteePublisher:
ISBN:
Category : Habitat conservation
Languages : en
Pages : 252
Book Description
Of Spotted Owls, Old Growth, and New Policies
Author: Bruce G. MarcotPublisher:
ISBN:
Category : Endangered species
Languages : en
Pages : 32
Book Description
Questions and Answers on A Conservation Strategy for the Northern Spotted Owl
Author: Report of the Interagency Scientific Committee to Address the Conservation of the Northern Spotted Owl
Author: United States. Congress. Senate. Committee on Energy and Natural Resources. Subcommittee on Public Lands, National Parks, and ForestsPublisher:
ISBN:
Category : Birds
Languages : en
Pages : 396
Book Description
Northern Spotted Owl Effectiveness Monitoring Plan for the Northwest Forest Plan
Author: Joseph LintPublisher:
ISBN:
Category : Northern spotted owl
Languages : en
Pages : 52
Book Description
Dietary Overlap Between Sympatric Mexican Spotted and Great Horned Owls in Arizona
Author: Joseph L. GaneyPublisher:
ISBN:
Category : Great horned owl
Languages : en
Pages : 26
Book Description
We estimated diet composition of sympatric Mexican spotted (Strix occidentalis lucida, n = 7 pairs of owls) and great horned owls (Bubo virginianus, n = 4 pairs) in ponderosa pine (Pinus ponderosa) - Gambel oak (Quercus gambelii) forest, northern Arizona. Both species preyed on mammals, birds, and insects; great horned owls also ate lizards. Mammals dominated the diet of both species. Mammals comprised 63 and 62% of all prey items identified in diets of spotted and great horned owls, respectively, and 94 and 95% of prey biomass. Both species primarily preyed on a few groups of small mammals. Observed overlap in diet composition between species (0.95) was greater than expected based on null models of diet overlap, and the size range of prey taken overlapped entirely. Mean prey mass was similar for both species (great horned owl, 47.0 ± 7.4 g [SE], n = 94 items; spotted owl, 40.1 ± 1.8 g, n = 1,125 items). Great horned owls consumed larger proportions of diurnally active prey than spotted owls, which primarily consumed nocturnally active mammals. Our results, coupled with a previous analysis showing that these owls foraged in the same general areas (Ganey and others 1997), suggests that they could compete for food resources, which are assumed to be limiting in at least some years. They may minimize the potential for resource competition, however, by concentrating foraging activities in different habitats (Ganey and others 1997) and by foraging at different times, when different suites of prey species are active.
Northwest Forest Plan, the First 10 Years (1994-2003)
Author: Joseph LintPublisher:
ISBN:
Category : Northern spotted owl
Languages : en
Pages : 188
Book Description