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Author: R. W. Arnup Publisher: ISBN: Category : Forest management Languages : en Pages : 116
Book Description
"The main purposes of this guide are : to summarize the knowledge of the silvics of spruce; to desctibe the current timber management practices for spruce in Ontario; to identify key factors that the manager must consider during the development of the Timber Management Plan and site specific prescriptions; and provide a basis for subsequnt development in both knowledge and practice. ... The principles outlined herein may be applied elswehere."--Page 1
Author: R. W. Arnup Publisher: ISBN: Category : Forest management Languages : en Pages : 116
Book Description
"The main purposes of this guide are : to summarize the knowledge of the silvics of spruce; to desctibe the current timber management practices for spruce in Ontario; to identify key factors that the manager must consider during the development of the Timber Management Plan and site specific prescriptions; and provide a basis for subsequnt development in both knowledge and practice. ... The principles outlined herein may be applied elswehere."--Page 1
Author: Ontario. Ministry of Natural Resources Publisher: ISBN: Category : Aspen Languages : en Pages : 388
Book Description
This guide provides silvicultural and ecological information for the management of black spruce, jack pine, and aspen within the context of sustainable forest management in Ontario. Section I introduces and explains the ecological and management interpretations of Section II, the terms and graphical conventions used, how the interpretations were derived, the limitations to their application, and data sources. Section II delivers a suite of ecological and silvicultural information within the framework of general standard forest ecosystem classification site types for north-west Ontario.
Author: Ontario. Ministry of Natural Resources Publisher: Sault Ste. Marie, Ont. : Great Lakes Forest Research Centre, Canadian Forestry Service, Department of the Environment ISBN: Category : Black spruce Languages : en Pages : 318
Book Description
Proceedings of a symposium sponsored by Ontario Ministry of Natural Resources and Great Lakes Forest Research Centre, Thunder Bay, Ontario, September 23, 24, 25, 1975.
Author: OECD Publisher: OECD Publishing ISBN: 9264095438 Category : Languages : en Pages : 327
Book Description
These OECD Biosafety Consensus Documents identify elements of scientific information used in the environmental safety and risk assessment of transgenic organisms which are common to OECD member countries and some non members associated with the work.
Author: David John Chapeskie Publisher: ISBN: Category : Red pine Languages : en Pages : 116
Book Description
This silvicultural guide is one of several, each of which provides a description of the silvicultural characteristics of the working group species and describes silvicultural practices for the working group. The guide reflects relevant literature and research, and the knowledge and experience of forestry staff in the management of the working group in Ontario and elsewhere. The guide covers the range and commercial importance of white pine and red spruce, siting, and wildlife and environmental considerations. Management prescriptions include such silvicultural systems as shelterwood and clear cut systems, harvesting considerations, forest renewal, stand maintenance, conversion and management intensity. Data is also given on the age-class distribution, historical harvest, average roundwood receipts, and biological rotation ages.
Author: Lisa Jean Buse Publisher: Thunder Bay, Ont. : Ontario Ministry of Natural Resources, Northwest Science & Technology ISBN: Category : Nature Languages : en Pages : 20
Book Description
Advance growth generally refers to stems of layer or seed origin, suppressed at time of logging, which are highly clumped and uneven in height and age. The possibility of integrating advance growth with other silvicultural techniques is a viable option for black spruce since seeding or planting is expensive and desired stocking levels are not always achieved. This paper presents a study that documented the abundance, distribution, and vigour of pre- and post- harvest advance growth in black spruce mixedwood and black spruce-moss sites in north-western Ontario. The study objective was to investigate attributes of advance growth by site type and its potential as a silvicultural option for resource managers in that region. Results are presented of advance growth density, stocking, and selected growth data collected from 36 black spruce stands ranging in age from 50 to 160 years.
Author: R. A. Sims Publisher: Thunder Bay : Ontario Ministry of Natural Resources, Northwest Science & Technology ISBN: Category : Technology & Engineering Languages : en Pages : 206
Book Description
Guide to assist in the recognition of vegetation and soil features of forest ecosystems in north-western Ontario using a classification system that enables the allocation of any forest ecosystem to one of 40 vegetation types and one of 22 soil types. Provides an orientation to the vegetation classification; describes the vegetation types and their determination, including a key and factsheets for classifying stands to vegetation types; provides keys and factsheets for classifying soil types; and gives a brief overview of the relationships among vegetation and soil types in north-western Ontario as well as background information on potential applications of the classification. Also contains aids for describing or recognizing important soil features and many of the plant species used in the allocation keys and factsheets.
Author: Everett B. Peterson Publisher: ISBN: Category : Black spruce Languages : en Pages : 232
Book Description
Report providing a subjective assessment of the scope, applicability, and overall reliability of existing published references related to natural regeneration of white, Engelmann, and black spruce in North America and a synopsis of references on the subject. The references are listed alphabetically by author for each of 563 references, based on a dBASE IV database coded according to 105 keywords. The database allows the user to search geographically, by species of spruce, by forest section within Canada, or by any of the keywords listed. The emphasis is on white spruce in a boreal mixedwood setting but also includes information on natural regeneration of Engelmann spruce and upland black spruce, plus a limited amount of Norway spruce. Most of the references are from the 1990s.
Author: R. W. Arnup
Author: R. W. Arnup
Author: Ontario. Ministry of Natural Resources
Author: Ontario. Ministry of Natural Resources
Author: Ontario. Ministry of Natural Resources
Author: OECD
Author: David John Chapeskie
Author: Lisa Jean Buse
Author: R. A. Sims
Author: 
Author: Everett B. Peterson