15 resources found

Tags: paper birch

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  • Extension Note

    The Shelterwood Silvicultural System in British Columbia - A Practitioner's Guide. Part 3 Operational Implementation

    This guide serves as a practical manual for foresters looking to implement the shelterwood cutting method in British Columbia. As the third part of a three-part series, this guide builds upon previous parts by focusing on the specific harvesting oper...
    This guide serves as a practical manual for foresters looking to implement the shelterwood cutting method in British Columbia. As the third part of a three-part series, this guide builds upon previous parts by focusing on the specific harvesting operations involved in this silvicultural system. The guide emphasizes that each harvest entry is a deliberate silvicultural treatment designed to manipulate the forest environment to achieve regeneration and stand-tending objectives, highlighting key considerations like protecting the soil, existing trees, and new growth while promoting a favorable environment for the next forest generation.
  • Extension Note

    The Shelterwood Silvicultural System in British Columbia - A Practitioner's Guide. Part 2 The Interplay of Stand Dynamics Disturbance and Regeneration

    This guide delves into the fundamental ecological principles underpinning the successful application of the shelterwood silvicultural system in British Columbia. As the second part of a three-part series, this guide emphasizes that effectively using ...
    This guide delves into the fundamental ecological principles underpinning the successful application of the shelterwood silvicultural system in British Columbia. As the second part of a three-part series, this guide emphasizes that effectively using partial cutting methods like shelterwoods requires a strong understanding of stand dynamics, which involves how forest structure changes over time due to factors such as tree regeneration, growth, competition, and disturbance. The guide highlights the crucial role of regeneration ecology, exploring the necessary conditions for new trees to establish and thrive after silvicultural interventions. This resource aims to equip forest managers with the knowledge to manipulate forest stands predictably to achieve specific management objectives by considering the interplay of these ecological processes.
  • Extension Note

    Paper Birch and Fireweed Stand Establishment Decision Aid

    This extension note offers practical guidance on managing paper birch and fireweed in British Columbia's coastal forests, specifically the Coastal Western Hemlock submaritime biogeoclimatic subzones. Recognizing a lack of specific research on these c...
    This extension note offers practical guidance on managing paper birch and fireweed in British Columbia's coastal forests, specifically the Coastal Western Hemlock submaritime biogeoclimatic subzones. Recognizing a lack of specific research on these competing vegetation species, the authors synthesize existing knowledge, much of it adapted from interior regions, to provide Stand Establishment Decision Aids. The note details the site characteristics, harvesting and silvicultural considerations, and autecological characteristics of both species, aiming to help forest managers make informed decisions regarding their management to ensure successful conifer regeneration while considering biodiversity and long-term site productivity.
  • Extension Note

    Aspen Complex Stand Establishment Decision Aid

    This extension note serves as a decision aid for forest managers in northeastern British Columbia regarding aspen stands. It is structured to provide guidance on managing aspen either as a primary timber species or as a component within mixedwood for...
    This extension note serves as a decision aid for forest managers in northeastern British Columbia regarding aspen stands. It is structured to provide guidance on managing aspen either as a primary timber species or as a component within mixedwood forests with conifers. The note details various aspects of aspen ecology, including its regeneration, growth, interactions with other species, and its susceptibility to health issues. Furthermore, it outlines different silvicultural systems and management practices tailored to specific objectives, such as maximizing aspen production, promoting conifer growth, or achieving mixed stands, while also considering non-timber values like wildlife habitat and First Nations uses. The extension note aims to equip managers with the knowledge to make informed decisions about establishing and tending aspen-dominated or mixed forests in the region.
  • Extension Note

    Partial Cutting Prescriptions in Constrained Areas Implementation Guidelines

    This extension note examines how partial cutting prescriptions in British Columbia's Kootenay region successfully balance timber harvesting with heightened public demand for visual quality and biodiversity conservation. It details two specific case s...
    This extension note examines how partial cutting prescriptions in British Columbia's Kootenay region successfully balance timber harvesting with heightened public demand for visual quality and biodiversity conservation. It details two specific case studies, Hope Creek and Loki Creek, demonstrating how complex land-use plans and legislation like the KootenayBoundary Land Use Plan Implementation Strategy and the Higher Level Plan Order translate into on-the-ground forestry practices. The document highlights the necessity for flexibility and ingenuity from foresters and loggers to achieve multiple, sometimes conflicting, objectives, such as maintaining caribou and grizzly bear habitat while ensuring the harvested areas remain visually appealing. This document showcases the feasibility of meeting diverse resource objectives at the stand level through carefully designed harvesting techniques in constrained areas.
  • Case Study

    Alternative Silvicultural Systems and Harvesting Techniques for Caribou Habitat

    This study investigates alternative forestry practices to mitigate the negative impacts of conventional clearcutting on caribou habitat. Recognizing that clearcutting leads to habitat loss and increased predation on caribou through apparent competiti...
    This study investigates alternative forestry practices to mitigate the negative impacts of conventional clearcutting on caribou habitat. Recognizing that clearcutting leads to habitat loss and increased predation on caribou through apparent competition, the report reviews various silvicultural systems and harvesting techniques, analyzing their potential to maintain old-growth characteristics, limit forage for other ungulates, and minimize access. Through a literature review and expert interviews, the study assesses the applicability of methods like partial harvesting, understory protection, and intensive silviculture in the Alberta context, considering ecological, economic, and practical challenges. The report aims to identify strategies that balance timber harvesting with caribou conservation, acknowledging that site-specific conditions and careful implementation are crucial for the success of any alternative approach.
  • Guidance Document

    Interior wet fire weather zone

    This guidance document outlines best management practices for fuel treatment within British Columbia's Interior-Wet Fire Weather Zone, a region characterized by its productive forests and diverse tree species like western cedar and hemlock. While typ...
    This guidance document outlines best management practices for fuel treatment within British Columbia's Interior-Wet Fire Weather Zone, a region characterized by its productive forests and diverse tree species like western cedar and hemlock. While typically experiencing higher precipitation and less frequent stand-replacing wildfires, drier subzones are prone to mixed-severity fire regimes. The guide emphasizes managing surface fuels, ladder fuels that allow fire to climb, and crown fuels to reduce the intensity and spread of wildfires, especially given the increased risk from climate change-induced drought and successful fire suppression efforts near communities. The document aims to provide professional guidance for mitigating wildfire threats through strategic fuel management and maintaining forest health.
  • Technical Report

    Redfish Creek Prescribed Burn Vegetation Monitoring Project

    This technical report details a study on how understory vegetation responds to different burn treatments and soil moisture conditions in the Interior Cedar-Hemlock dry warm subzone. The core purpose was to monitor and compare vegetation changes in ar...
    This technical report details a study on how understory vegetation responds to different burn treatments and soil moisture conditions in the Interior Cedar-Hemlock dry warm subzone. The core purpose was to monitor and compare vegetation changes in areas that experienced no burn, moderate burns, or severe burns following a fall slashburn. The research highlights the dominant plant species that emerged in each environment over four years, noting differences in species composition and competition dynamics, particularly concerning the impact of a fall slashburn and soil seepage on vegetation development.
  • Case Study Peer-Reviewed Literature

    Short-Term Impacts of Operational Fuel Treatments on Modelled Fire Behaviour and Effects in Seasonally Dry Forests of British Columbia Canada

    This paper investigates the effectiveness of various fuel treatments in mitigating wildfire behavior in British Columbia's seasonally dry forests, a region increasingly vulnerable to extreme fires. Through field measurements and fire behavior modelin...
    This paper investigates the effectiveness of various fuel treatments in mitigating wildfire behavior in British Columbia's seasonally dry forests, a region increasingly vulnerable to extreme fires. Through field measurements and fire behavior modeling, the study assessed how different combinations of thinning, pruning, and residue fuel management impact the potential for crown fires and tree mortality. Key findings suggest that high-intensity thinning is more effective at reducing both passive and active crown fire potential and tree mortality compared to low-intensity thinning, while pruning after thinning offered little additional benefit. The study also highlights that chipping or pile burning residue fuel can reduce crown fire risk, but cautions that chipping may lead to delayed tree mortality not captured by current models, indicating a need for further research on its long-term effects.
  • Guidance Document

    Lower North Thompson Community Forest Wildfire Risk Management Plan

    This report outlines the Lower North Thompson Community Forest Wildfire Risk Management Plan, a comprehensive strategy developed to address the increasing threat of wildfires in British Columbia. Initiated in 2018, the plan identifies and evaluates w...
    This report outlines the Lower North Thompson Community Forest Wildfire Risk Management Plan, a comprehensive strategy developed to address the increasing threat of wildfires in British Columbia. Initiated in 2018, the plan identifies and evaluates wildfire risks, considering factors like ignition probability, fire intensity, and values at risk such as human life, infrastructure, and environmental assets. It proposes five key management strategies including wildfire management zones, silviculture, strategic harvesting, prescribed fire, and collaborative planning aimed at enhancing wildfire resilience and mitigating negative impacts, while also exploring potential ecological opportunities associated with fire. The plan emphasizes a proactive and adaptive approach, recommending annual progress reports and a five-year renewal cycle to adjust to changing conditions.
  • Decision Aid

    Developing an Uneven-Aged Management System to Maintain Attributes Associated with Old Deciduous Stands The SADO System (Self-sustaining All-aged Deciduous Old-growth)

    This document details the SADO management system, a conservation-focused approach specifically designed for sustaining old-growth characteristics in aspen, birch, and cottonwood forests within British Columbia's SBS zone. Recognizing the relatively ...
    This document details the SADO management system, a conservation-focused approach specifically designed for sustaining old-growth characteristics in aspen, birch, and cottonwood forests within British Columbia's SBS zone. Recognizing the relatively short lifespan and successional vulnerability of these deciduous stands, the system provides a step-by-step guide for forest managers. Its core principles revolve around monitoring regeneration, selectively removing conifers, managing herbivore browsing, ensuring adequate light, and addressing regeneration capacity to promote the development of self-sustaining, all-aged stand structures that continuously exhibit old-growth attributes, with a particular emphasis on maintaining ecological values and biodiversity.
  • Guidance Document

    Fort St. John pilot project Mixedwood Management Guidelines

    This document outlines guidelines for managing mixedwood forests within the Fort St. John Pilot Project in British Columbia, aiming to meet the objectives of their Sustainable Forest Management Plan. A central theme is the classification and tracking...
    This document outlines guidelines for managing mixedwood forests within the Fort St. John Pilot Project in British Columbia, aiming to meet the objectives of their Sustainable Forest Management Plan. A central theme is the classification and tracking of different forest types across the landscape using a ledger system to ensure long-term balance. The guidelines also describe various proposed reforestation methods, ranging from creating mosaics of single-species stands to fostering intimate mixtures of conifer and deciduous trees, with the overall purpose of achieving desired future forest conditions at a landscape level while incorporating new scientific understanding.
  • Case Study

    Review of Glyphosate Use in British Columbia Forestry

    This document examines the current use of glyphosate in BC's forestry practices, specifically for vegetation management in re-establishing forests after harvesting. It systematically explores the regulatory context governing herbicide use and the rat...
    This document examines the current use of glyphosate in BC's forestry practices, specifically for vegetation management in re-establishing forests after harvesting. It systematically explores the regulatory context governing herbicide use and the rationale behind glyphosate's application, contrasting it with other methods like manual cutting. The review then delves into the impacts of glyphosate on various ecological values, including biodiversity, soil and water quality, climate change considerations, wildfire dynamics, First Nations interests, and public use perceptions. Finally, it assesses the implications for timber supply and discusses managing forests for multiple values, culminating in recommendations for future research, data collection, communication, and policy development.
  • Extension Note

    Influences of Clearcut Harvesting and Fertilization on Structure and Function of the Soil Food Web in ICH Forests of Southern Interior British Columbia

    This report details two studies investigating the impacts of common forestry practices on soil health in Interior Cedar-Hemlock forests. The first study compared clearcut harvested areas to adjacent forests, finding that clearcutting generally reduce...
    This report details two studies investigating the impacts of common forestry practices on soil health in Interior Cedar-Hemlock forests. The first study compared clearcut harvested areas to adjacent forests, finding that clearcutting generally reduced key indicators of soil food web activity and nitrogen cycling. The second study examined the effects of broadcast fertilization on clearcuts, revealing it boosted nitrogen availability but also increased the potential for nitrogen loss through leaching and denitrification. This research aims to inform foresters and managers about how harvesting and fertilization influence soil ecosystems, suggesting ways to mitigate negative impacts and sustain forest productivity.
  • Technical Report

    Harvesting on Mule Deer Winter Range under General Wildlife Measures for Shallow Moderate Snowpack Zones Approach and Lessons Learned following a Second Harvest Entry after 30 Year

    This report details a second timber harvest entry conducted on a mule deer winter range in British Columbia, thirty years after the initial logging. The study examines the application of General Wildlife Measures for shallow and moderate snowpack z...
    This report details a second timber harvest entry conducted on a mule deer winter range in British Columbia, thirty years after the initial logging. The study examines the application of General Wildlife Measures for shallow and moderate snowpack zones, focusing on a clumpy single-tree selection silvicultural system designed to balance timber harvesting with maintaining and enhancing mule deer habitat. Key aspects explored include the planning and operational implementation of this approach, including the creation of small canopy gaps and thinning from below, along with the lessons learned regarding ecological impacts, adherence to regulations, and operational feasibility. The report serves to document this long-term research project's progression and inform future management practices on similar winter ranges.
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