Author: Philip M. McDonald
Publisher:
ISBN:
Category : Conifers
Languages : en
Pages : 20
Book Description
Seedfall, Regeneration, and Seedling Development in Group-selection Openings
Author: Philip M. McDonald
Publisher:
ISBN:
Category : Conifers
Languages : en
Pages : 20
Book Description
Publisher:
ISBN:
Category : Conifers
Languages : en
Pages : 20
Book Description
Seedfall, Regeneration, and Seedling Development in Group-selection Openings
Author: Philip M. McDonald
Publisher:
ISBN:
Category : Ecosystem management
Languages : en
Pages : 13
Book Description
Publisher:
ISBN:
Category : Ecosystem management
Languages : en
Pages : 13
Book Description
Plant Community Development After 28 Years in Small Group-selection Openings
Author: Philip M. McDonald
Publisher:
ISBN:
Category : Conifers
Languages : en
Pages : 28
Book Description
Publisher:
ISBN:
Category : Conifers
Languages : en
Pages : 28
Book Description
Combining Silviculture and Landscape Architecture to Enhance the Roadside View
Author: Philip M. McDonald
Publisher:
ISBN:
Category : Forest landscape design
Languages : en
Pages : 520
Book Description
Publisher:
ISBN:
Category : Forest landscape design
Languages : en
Pages : 520
Book Description
Visitor Perceptions of Crowding and Discrimination at Two National Forests in Southern California
Author: Deborah J. Chavez
Publisher:
ISBN:
Category : Forest reserves
Languages : en
Pages : 500
Book Description
Publisher:
ISBN:
Category : Forest reserves
Languages : en
Pages : 500
Book Description
General Technical Report NC.
Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 736
Book Description
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 736
Book Description
Assessment of Silvicultural Systems Developed for Deep Snowpack Mule Deer Winter Range in the Central Interior of B.C.
Author: M. J. Waterhouse
Publisher: British Columbia Forest Science Program
ISBN:
Category : Nature
Languages : en
Pages : 56
Book Description
"In the central interior of British Columbia (Southern Interior Forest Region), Douglas-fir (Pseudotsuga menziesii) tends to occur in even-aged stands in the Interior Cedar-Hemlock Moist, Cool, Horsefly biogeoclimatic variant (ICHmk3). Douglas-fir stands are important from both forest industry and wildlife habitat management perspectives. Mule deer require mature and older Douglas-fir stands as winter range. In these ecosystems, Douglas-fir stands are typically clearcut, thereby seriously compromising habitat value as winter range. This is a pilot study to examine the response of vegetation (percent cover) and Douglas-fir regeneration (density and growth) to a range of opening sizes, opening orientation (along and across contours), and site preparation treatment (yes or no), 5 years post-harvest. The openings (15 165 m [0.25 ha], 30 165 m [0.5 ha], 60 165 m [1.0 ha], 60 330 m and 140 140 m [2.0 ha]) are options for group selection, patch cut, or clearcut silvicultural systems. Although most of the 19 tree, shrub, and grass species that mule deer could eat did not change in percent cover from pre-harvest to 5 years postharvest, the species that did change were most strongly affected by harvesting, not opening size. A major diet component, western redcedar (Thuja plicata), was reduced from 9.6 to 1.4% in the site-prepared openings, and from 9.4 to 3.9% in the openings not site-prepared, when comparing the pre-harvest to the 5th-year post-harvest assessment. However, in the 5 years since harvesting, this species has increased from 533 stems per ha to 783 stems per ha (47%) and should increase steadily in cover over time. Of note was a big increase in red raspberry (Rubus idaeus) (from 0.1% up to 14%) and a moderate increase in birch-leaved spirea (Spirea betufolia) (from 1% up to 6%); however, they generally occur in small amounts (
Publisher: British Columbia Forest Science Program
ISBN:
Category : Nature
Languages : en
Pages : 56
Book Description
"In the central interior of British Columbia (Southern Interior Forest Region), Douglas-fir (Pseudotsuga menziesii) tends to occur in even-aged stands in the Interior Cedar-Hemlock Moist, Cool, Horsefly biogeoclimatic variant (ICHmk3). Douglas-fir stands are important from both forest industry and wildlife habitat management perspectives. Mule deer require mature and older Douglas-fir stands as winter range. In these ecosystems, Douglas-fir stands are typically clearcut, thereby seriously compromising habitat value as winter range. This is a pilot study to examine the response of vegetation (percent cover) and Douglas-fir regeneration (density and growth) to a range of opening sizes, opening orientation (along and across contours), and site preparation treatment (yes or no), 5 years post-harvest. The openings (15 165 m [0.25 ha], 30 165 m [0.5 ha], 60 165 m [1.0 ha], 60 330 m and 140 140 m [2.0 ha]) are options for group selection, patch cut, or clearcut silvicultural systems. Although most of the 19 tree, shrub, and grass species that mule deer could eat did not change in percent cover from pre-harvest to 5 years postharvest, the species that did change were most strongly affected by harvesting, not opening size. A major diet component, western redcedar (Thuja plicata), was reduced from 9.6 to 1.4% in the site-prepared openings, and from 9.4 to 3.9% in the openings not site-prepared, when comparing the pre-harvest to the 5th-year post-harvest assessment. However, in the 5 years since harvesting, this species has increased from 533 stems per ha to 783 stems per ha (47%) and should increase steadily in cover over time. Of note was a big increase in red raspberry (Rubus idaeus) (from 0.1% up to 14%) and a moderate increase in birch-leaved spirea (Spirea betufolia) (from 1% up to 6%); however, they generally occur in small amounts (
Lassen National Forest (N.F.), North 49 Forest Health Recovery Project
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 354
Book Description
Publisher:
ISBN:
Category :
Languages : en
Pages : 354
Book Description
Lassen National Forest (N.F.), Creeks Forest Health Recovery Project
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 508
Book Description
Publisher:
ISBN:
Category :
Languages : en
Pages : 508
Book Description
Current Abstracts
Author:
Publisher:
ISBN:
Category : Biomass energy
Languages : en
Pages : 92
Book Description
Publisher:
ISBN:
Category : Biomass energy
Languages : en
Pages : 92
Book Description