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Author : British Columbia. Ministry of Forests,British Columbia. Timber Harvesting Subcommittee,Terence Lewis
Publisher : Unknown
Page : 31 pages
File Size : 55,5 Mb
Release : 1989
Category : Forest site quality
ISBN : OCLC:29308947
Author : Terence Lewis,British Columbia. Timber Harvesting Subcommittee
Publisher : Forest Science Research Branch, Ministry of Forests
Page : 78 pages
File Size : 41,6 Mb
Release : 1991
Category : Forest productivity
ISBN : MINN:31951P00127112E
This report provides individuals responsible for formulating logging prescriptions a number of harvesting strategies which do not cause excessive site degradation and therefore do not result in long-term losses in forest productivity. The report addresses timber harvesting activities applied in the interior of B.C., including a number of phases up to, but not including, site preparation. It includes the building and maintaining of secondary roads; falling and bucking; the skidding, yarding or forwarding of logs to a landing; and the provision of fireguards to facilitate logging slash disposal. The report discusses the planning, construction, operational, maintenance, and rehabilitation stages of each of these phases of logging.
Author : Anonim
Publisher : Unknown
Page : 288 pages
File Size : 40,9 Mb
Release : 2007
Category : Forest management
ISBN : MINN:31951D02996553V
Author : Anonim
Publisher : Unknown
Page : 236 pages
File Size : 49,8 Mb
Release : 1998
Category : Forest management
ISBN : CHI:81399726
Author : Mohammed Dore
Publisher : CRC Press
Page : 220 pages
File Size : 43,8 Mb
Release : 2001-01-25
Category : Nature
ISBN : 1560220775
Conserve biodiversity with effective forest management practices! This valuable book examines integrated forest management in the Americas. Climate Change and Forest Management in the Western Hemisphere takes a close look at such important international issues as global warming and the destruction of the Amazon rainforest. It offers tested suggestions for combining productive economic use of forest products with sustainable, ecologically sound management practices. Here you will find case studies from representative forests in North, Central, and South America. This solidly researched book explores the barriers to integrating environmental and economic approaches to forest management. It also offers practical suggestions for overcoming those barriers, including economic incentives for sustainable use and the conservation of biodiversity. Climate Change and Forest Management in the Western Hemisphere also explores: the role of the Brazilian rainforest in the global carbon cycle sustainable use of rainforests the valuation of forests for carbon sequestration plant biodiversity in managed timber forests issues of deforestation and reforestation and much more! Climate Change and Forest Management in the Western Hemisphere offers a comprehensive overview of a vital subject. It is an essential resource for forestry specialists, environmental economists, and anyone interested in climate change or sustainable agriculture.
Author : Anonim
Publisher : Unknown
Page : 246 pages
File Size : 42,5 Mb
Release : 1997
Category : Forests and forestry
ISBN : MINN:31951D01639784Q
Author : Anonim
Publisher : Unknown
Page : 276 pages
File Size : 46,7 Mb
Release : 2007
Category : Electronic
ISBN : NWU:35556037530011
Author : Stephen C. Chatwin,British Columbia. Ministry of Forests. Research Branch
Publisher : Unknown
Page : 84 pages
File Size : 46,8 Mb
Release : 1991
Category : Forest productivity
ISBN : MINN:31951D012681461
Proceedings of the workshop, covering sustainable development and forestry in British Columbia, harvest-related soil disturbance research, tree growth, site productivity research, use of selective logging, site preparation impacts, effects of various types of equipment, site degradation policy, public perceptions and expectations, implications on planning, soil rehabilitation and alternative policies.
Author : Michael Patrick Curran,B. Mitchell,I. Davis,British Columbia. Ministry of Forests. Research Branch
Publisher : Unknown
Page : 166 pages
File Size : 47,7 Mb
Release : 2000
Category : Forest management
ISBN : MINN:31951D02034119C
This guide is a technical support document intended to help forestry practitioners collect the information they need to prepare a silvicultural treatment regime and silviculture prescription in accordance with British Columbia Forest Practices Code legislation. It deals primarily with the collection & stratification of site-specific field data. After information on office preparation, stratification, plot establishment, and mapping procedures, the guide presents data collection procedures for silviculture prescription field forms. Copies of forms are included in the appendix. The data cover such matters as site characteristics, understorey & overstorey, soils, riparian & watershed values, soil & fire hazards, silvicultural systems & objectives, harvesting, forest health, stand tending, and forest resource values.
Author : D. H. Kuhnke
Publisher : Unknown
Page : 268 pages
File Size : 45,9 Mb
Release : 1993
Category : Birds
ISBN : MINN:31951D008937959
The principal objective of the Birds in the Boreal Forest workshop was to foster interaction between those concerned with sustaining forests as an industrial resource and those interested in sustaining forests as a habitat for birds and other wildlife. A total of 25 presentations were given in 5 topical sessions: overviews of biodiversity and boreal ecology; state of knowledge of impacts of forest management on birds in the boreal forest; landscape issues - scaling up' from the stand to the ecosystem; foresters' perspectives on integrated resource management: where are we headed?; and databases and information networks: what do have and what do we need? Eighty six participants attended the workshop. The workshop launches a new research program on forest bird ecology in western and northern Canada.
Author : William W. Carr,W. R. Mitchell,British Columbia. Ministry of Forests,William J. Watt,British Columbia. Ministry of Forests. Research Branch
Publisher : Unknown
Page : 30 pages
File Size : 47,8 Mb
Release : 1991
Category : Forest management
ISBN : MINN:31951P00128570F
Describes basic interpretations using vegetation, environmental and soil properties to ascertain the inherent nature of the treatment unit, particularly about the risk associated with potentially degrading forestry activities.
Author : P. R. Commandeur,Mark E. Walmsley,Pacific Forestry Centre
Publisher : Unknown
Page : 28 pages
File Size : 54,8 Mb
Release : 1993
Category : Forest biomass
ISBN : MSU:31293010113029
Numerous studies have documented the soil disturbance effects of ground-based harvesting systems. Biomass harvesting, in the form of the additional recovery of woody materials normally left on site, has the potential for increasing the levels of soil disturbance. The objective of this study was to document the impact of biomass harvesting by rubber-tired skidders on soils, namely soil disturbance and surface soil erosion. An increase in soil disturbance in the form of skid trails, skidroads, and deep and very deep gouges was observed on the biomass harvested plots compared to the conventionally harvested plots. Erosion bridges indicated more soil movement on the biomass than the conventional plots. Soil erosion volumes trapped behind sediment dams located at the base of the plots were greater on the biomass plots (average of 0.38 m3 over 1.77 years) than on the conventional plots (average of 0.22 m3). However, the unharvested plots also recorded accumulation of material where in fact no mineral soil erosion occurred (average of 0.15 m3). This was the result of vegetation growth and decay and the accumulation of organic matter. Adjusted average erosion values of 0.78 m3/ha/year for the biomass plots and 0.37 m3/ha/year for the conventional plots are comparable to data obtained from studies conducted on clearcut and burned sites in the Oregon Cascades. These erosion figures are considered moderate and numerous site factors help explain this observed response. Rainfall simulation experiments conducted at the site indicated that infiltration rates on skidroads and fireguards are generally greater than 1.5 cm/hour. Rainfall intensities (15 minute duration) that exceed 1.5 cm/hour are expected to occur with a return period of about 1 year at the study site. Spring snow melt rates may exceed infiltration capacities especially along compacted, low infiltration areas such as skidroads. Some overland flow and surface soil erosion is expected to occur elsewhere under similar conditions as those found at the study site. Recommendations are given regarding the measurement techniques used in this study.
Author : Anonim
Publisher : Unknown
Page : 482 pages
File Size : 50,8 Mb
Release : 1994
Category : Forests and forestry
ISBN : MINN:31951P004536090
Author : T. F. Braumandl,Michael Patrick Curran
Publisher : Unknown
Page : 338 pages
File Size : 46,7 Mb
Release : 1992
Category : Bioclimatology
ISBN : MINN:31951P00708021I
This guide presents site identification and interpretation information for forest and range ecosystems of the Nelson Forest Region, which encompasses most of southeastern British Columbia. The classification system used follows the biogeoclimatic ecosystem classification developed for the province. The guide gives a description of the classification system; outlines procedures for site description, identification, mapping and interpretation; gives general descriptions of the zones of the Nelson Forest Region; provides tools for identifying biogeoclimatic and site units and general management interpretations for the identified site series; gives wildlife interpretations; and presents forest health concerns. Appendices provide specific interpretations such as silvicultural standards and forage seeding mixes or technical information such as plant species lists and soil-site description keys.
Author : Anonim
Publisher : Unknown
Page : 448 pages
File Size : 53,7 Mb
Release : 1985
Category : Forests and forestry
ISBN : MINN:31951P00114242M