Soils of the Fort St. John-Dawson Creek Area, British Columbia PDF Download
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Author: T. M. Lord
Publisher: Research Branch, Agriculture Canada ; Victoria, B.C. : Available from Maps B.C., Ministry of Environment
ISBN:
Category : Science
Languages : en
Pages : 156
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Book Description
Technical descriptions and chemical analyses of selected soil profiles, withbriefsections on early history, geology, climate and vegetation, land use and thecapability of the land to support agriculture, forestry, big game, waterfowland recreation. Data are taken from published soil surveys of the PeaceRiver areas of British Columbia and Alberta and information contained in landresource surveys and reports published since 1965.
Author: T. M. Lord
Publisher: Research Branch, Agriculture Canada ; Victoria, B.C. : Available from Maps B.C., Ministry of Environment
ISBN:
Category : Science
Languages : en
Pages : 156
Get Book Here
Book Description
Technical descriptions and chemical analyses of selected soil profiles, withbriefsections on early history, geology, climate and vegetation, land use and thecapability of the land to support agriculture, forestry, big game, waterfowland recreation. Data are taken from published soil surveys of the PeaceRiver areas of British Columbia and Alberta and information contained in landresource surveys and reports published since 1965.
Author: Canada. Ministère de l'agriculture
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 130
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Book Description
Author: British Columbia. Department of Agriculture
Publisher:
ISBN:
Category : Physical geography
Languages : en
Pages : 308
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Book Description
Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 484
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Book Description
Author:
Publisher:
ISBN:
Category : Electronic journals
Languages : en
Pages : 754
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Book Description
Author: Michael J. Apps
Publisher: Springer Science & Business Media
ISBN: 9401709424
Category : Technology & Engineering
Languages : en
Pages : 565
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Book Description
Boreal forests form Earth's largest terrestrial biome. They are rich in ecosystem and landscape diversity, though characterized by relatively few plant species, as compared to other forested regions. The long term viability and sustainability of boreal forests is influenced by many factors. They are subject to interruptions at intervals by large-scale natural disturbances, and increasingly by human activities. Boreal ecosystem development is typically a slow process; hence rapid changes in the global environment may invoke complex responses. Many industrial nations border, or lie within, boreal regions, deriving much of their economic wealth and culture from the forests. The response of boreal forests to changes in the global environment - whether caused by direct human activity or by indirect changes such as the anticipated changes in climate - are therefore of considerable international interest, both for their policy implications and their scientific challenges. This book which contains almost 50 peer-reviewed papers from a world-wide group of experts assembled under the auspices of IBFRA, the International Boreal Forest Research Association, covers topics which will stimulate further research and the development of constructive policies for improved management and conservation of global boreal forest resources.
Author: Brian B. Wilks
Publisher: University of Toronto Press
ISBN: 9780802088116
Category : Science
Languages : en
Pages : 664
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Book Description
Wilks provides a historical background, list of publications, and description of activities for most of the major science initiatives undertaken at the federal level. He surveys a wide range of government documents and monographic and serial science collections used by both faculty and students.
Author: Fritz Dalichow
Publisher: Vancouver [B.C.] : Versatile Publishing Company
ISBN:
Category : Agricultural geography
Languages : en
Pages : 176
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Book Description
Author: Trevor McConkey
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
With over 1,400 oil and gas wells drilled in northeast British Columbia (BC) in 2005 alone, cumulative reductions in future timber supply may occur if well sites (~1 ha in size) are not reforested. Well sites resemble forestry landings in their challenges to soil productivity and reforestation, which include adverse physical conditions (i.e., compact soils), low organic matter content, and limited nutrient supply. Previous research in BC on forest soil rehabilitation techniques has developed practical methods for ameliorating adverse soil physical, chemical, and biological conditions in forestry landings. This project focused on the application of these techniques to typical abandoned well sites in the Peace River region of BC as part of achieving successful reforestation. Five abandoned well sites were selected within the Boreal White and Black Spruce biogeoclimatic zone near Fort St. John and Dawson Creek, BC. Treatments consisted of tillage, wood chip mulch, tillage + wood chip mulch, tillage + incorporated wood chips, brush mats, and an untreated control. Treatments were implemented between fall 2003 and spring 2004, and sites were subsequently planted with alternating seedlings of lodgepole pine (Pinus contorta var. latifolia Dougl. ex Loud) and white spruce (Picea glauca [Moench] Voss). Soils at all sites were fine to medium in texture with average coarse fragment contents ranging from 3% to 10%. Soil conditions were monitored throughout the 2004 and 2005 growing seasons. Response variables include soil physical parameters (bulk density, soil mechanical resistance, moisture content, air-filled porosity, water retention characteristics), nutrient availability, and seedling survival and growth. Soil physical property data (i.e., soil mechanical resistance, air-filled porosity, and water retention) indicated soils on control plots were in a potentially physically degraded state with respect to theoretical growth-limiting thresholds. These results suggested they were good candidates for rehabilitation. Treatme.
