Effects of Operational Brushing on Conifers and Plant Communities in the Southern Interior of British Columbia PDF Download
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Author: Suzanne Simard
Publisher:
ISBN:
Category : Gardening
Languages : en
Pages : 428
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Book Description
This handbook contains information on the effects of operational brushing treatments on conifers & plant communities in the Kamloops and Nelson forest regions of British Columbia. Data were collected over a nine-year period from 96 individual PROBE (PRotocol for Operational Brushing Evaluations) trials. The first three sections present an introduction to the PROBE program, its objectives, and the research methodology. Sections 4 to 11 contain detailed analyses for eight vegetation complexes (fireweed, fern, mixed shrub, ericaceous shrub & subalpine herb, dry alder, wet alder, aspen, and mixed broadleaf/shrub complex). Each of these sections contains an abstract, an introduction, site descriptions, results, discussion, conclusions, and management implications. The final section is an overall summary and management recommendation. Appendices include information about the willow and pinegrass complexes, a summary of results for unreplicated treatments involving those communities, and summary tables of information about PROBE sites that presently represent unreplicated treatment cells.
Author: Suzanne Simard
Publisher:
ISBN:
Category : Gardening
Languages : en
Pages : 428
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Book Description
This handbook contains information on the effects of operational brushing treatments on conifers & plant communities in the Kamloops and Nelson forest regions of British Columbia. Data were collected over a nine-year period from 96 individual PROBE (PRotocol for Operational Brushing Evaluations) trials. The first three sections present an introduction to the PROBE program, its objectives, and the research methodology. Sections 4 to 11 contain detailed analyses for eight vegetation complexes (fireweed, fern, mixed shrub, ericaceous shrub & subalpine herb, dry alder, wet alder, aspen, and mixed broadleaf/shrub complex). Each of these sections contains an abstract, an introduction, site descriptions, results, discussion, conclusions, and management implications. The final section is an overall summary and management recommendation. Appendices include information about the willow and pinegrass complexes, a summary of results for unreplicated treatments involving those communities, and summary tables of information about PROBE sites that presently represent unreplicated treatment cells.
Author: Hamish Kimmins
Publisher: Earthscan
ISBN: 1849776431
Category : Nature
Languages : en
Pages : 305
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Book Description
Modelling is an important tool for understanding the complexity of forest ecosystems and the variety of interactions of ecosystem components, processes and values. This book describes the hybrid approach to modelling forest ecosystems and their possible response to natural and management-induced disturbance. The book describes the FORECAST family of ecosystem management models at three different spatial scales (tree, stand and landscape), and compares them with alternative models at these three spatial scales. The book will help forest managers to understand what to expect from ecosystem-based forest models; serve as a tool for use in teaching about sustainability, scenario analysis and value trade-offs in natural resources management; and assist policy makers, managers and researches working in assessment of sustainable forest management and ecosystem management. Several real-life examples of using the FORECAST family of models in forest management and other applications are presented from countries including Canada, China, Spain and the USA, to illustrate the concepts described in the text. The book also demonstrates how these models can be extended for scenario and value trade-off analysis through visualization and educational or management games.
Author: Suzanne Simard
Publisher: Knopf
ISBN: 0525656103
Category : Science
Languages : en
Pages : 368
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Book Description
NEW YORK TIMES BEST SELLER • From the world's leading forest ecologist who forever changed how people view trees and their connections to one another and to other living things in the forest—a moving, deeply personal journey of discovery Suzanne Simard is a pioneer on the frontier of plant communication and intelligence; her TED talks have been viewed by more than 10 million people worldwide. In this, her first book, now available in paperback, Simard brings us into her world, the intimate world of the trees, in which she brilliantly illuminates the fascinating and vital truths--that trees are not simply the source of timber or pulp, but are a complicated, interdependent circle of life; that forests are social, cooperative creatures connected through underground networks by which trees communicate their vitality and vulnerabilities with communal lives not that different from our own. Simard writes--in inspiring, illuminating, and accessible ways—how trees, living side by side for hundreds of years, have evolved, how they learn and adapt their behaviors, recognize neighbors, compete and cooperate with one another with sophistication, characteristics ascribed to human intelligence, traits that are the essence of civil societies--and at the center of it all, the Mother Trees: the mysterious, powerful forces that connect and sustain the others that surround them. And Simard writes of her own life, born and raised into a logging world in the rainforests of British Columbia, of her days as a child spent cataloging the trees from the forest and how she came to love and respect them. And as she writes of her scientific quest, she writes of her own journey, making us understand how deeply human scientific inquiry exists beyond data and technology, that it is about understanding who we are and our place in the world.
Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 1264
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Book Description
Author: Teresa A. Newsome
Publisher:
ISBN:
Category : Nature
Languages : en
Pages : 44
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Book Description
Mixtures of trembling aspen (Populus tremuloides Michx.) and naturally regenerated or planted lodgepole pine (Pinus contorta var. latifolia Engelm. ex S. Wats.) occur throughout interior British Columbia. To develop effective management strategies for mixed stands where softwood timber production is the primary objective, silviculturists need information about levels of broadleaves that can be retained without seriously reducing conifer performance. They also require practical guidance on using this information to develop cost-effective treatment prescriptions. To address this topic in the Cariboo-Chilcotin, a pine-aspen competition project that includes studies in a variety of ecosystems is currently under way. In 1999, an operational trial to study the effects of variable aspen retention on stand-level lodgepole pine performance and aspen sucker production was established near McKinley Lake in the SBSdw1 variant of the Central Cariboo Forest District. The study was a co-operative undertaking by the B.C. Ministry of Forests and Weldwood of Canada, Ltd. In 2002, the study was adopted by the Silvicultural Systems Research Group of the Southern Interior Forest Region as part of the pine-aspen competition project, and objectives and methods were subsequently adapted to include the collection of long-term growth and yield and stand development data. This report summarizes fourth-year pine and aspen responses to aspen retention treatments, and provides baseline stand development information.
Author: Alan Vyse
Publisher:
ISBN:
Category : Balsam poplar
Languages : en
Pages : 46
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Book Description
Author: British Columbia. Forest Science Program
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 60
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Book Description
Author: Teresa A. Newsome
Publisher:
ISBN:
Category : Nature
Languages : en
Pages : 48
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Book Description
Mixtures of trembling aspen (Populus tremuloides Michx.) and lodgepole pine (Pinus contorta var. latifolia Engelm.) regenerate naturally throughout the Sub-Boreal Pine-Spruce (SBPS), Interior Douglas-fir (IDF), Sub-Boreal Spruce (SBS), and Interior Cedar-Hemlock (ICH) zones in the Cariboo-Chilcotin area of the Southern Interior Forest Region. Due to the rapid height growth and high initial sucker densities of young aspen, these stands generally require some management at the juvenile stage to meet conifer growth objectives. Strategies designed to lessen competition from young aspen have become more complex over the past decade. In light of current understanding of the importance of broadleaf tree species to overall ecosystem health, successful management of young pine-aspen stands now requires practitioners to find a balance between removing aspen to meet lodgepole pine growth objectives and retaining as much aspen as possible to preserve the ecosystem benefits conferred by broadleaf species, reduce suckering, and reduce silviculture treatment costs. The Clusko aspen removal study, established in 2001 in an 11-year-old lodgepole pine-trembling aspen stand in the SBPSxc subzone, investigates the effects of five levels of aspen removal on target pine, neighbourhood competitive interactions, and stand development. Treatments include: (1) an untreated control; (2) complete aspen removal; broadcast retention of (3) 1000 and (4) 2500 aspen stems ha-1; and (5) a spatial treatment that removed aspen within a 1-m radius around target pine. This report presents second-year results from the Clusko River (Clusko) study.
Author: Teresa A. Newsome
Publisher:
ISBN:
Category : Nature
Languages : en
Pages : 90
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Book Description
This report describes & presents results of a retrospective study carried out between 1992 and 1999 in the Cariboo-Chilcotin region of British Columbia to quantify the effects of trembling aspen competition on lodgepole pine performance, and to identify competition indices or other measures of competition that could be used by field staff. Target pine were selected across neighbourhoods in six stands with varying densities of aspen. Data pertaining to pine size & condition, and to the size & location of aspen within a 70-inch radius of the pine were collected three times. Measurements began when the stands were seven to 12 years old. Various approaches are used to identify levels of aspen abundance when pine performance declined below acceptable levels. These include analyses of regression & correlation, tests of existing competition indices, and visual & statistical characterization of trends. Finally, conservative recommendations are made for the retention of aspen within pine stands in the Cariboo-Chilcotin region.
Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 436
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Book Description
