213 resources found

Tags: Natural disturbances

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  • Peer-Reviewed Literature

    Community Forests Advance Local Wildfire Governance and Proactive Management in British Columbia, Canada

    This paper examines how community forests in British Columbia, Canada, are transforming wildfire governance by shifting away from traditional, centralized, and reactive approaches toward proactive, locally-driven management. The authors highlight th...
    This paper examines how community forests in British Columbia, Canada, are transforming wildfire governance by shifting away from traditional, centralized, and reactive approaches toward proactive, locally-driven management. The authors highlight that CFs, which are long-term forest tenures managed by Indigenous and/or local communities, act as local leaders in mitigating wildfire risk. Their success hinges on crucial factors such as financial and social capacity, particularly the ability to build trust and strong relationships with both community members and government agencies. Despite persistent challenges, the study concludes that CFs are a critical form of local wildfire governance, effectively implementing diverse strategies and fostering a fire lens in forest management to enhance wildfire resilience across various scales.
  • Peer-Reviewed Literature

    Perspectives - Six Opportunities to Improve Understanding of Fuel Treatment Longevity in Historically Frequent-Fire Forests

    This paper addresses the critical need for improved understanding of the long-term effectiveness of fuel reduction treatments in dry, fire-prone forests of western North America. The authors highlight that current knowledge limitations lead to ineffi...
    This paper addresses the critical need for improved understanding of the long-term effectiveness of fuel reduction treatments in dry, fire-prone forests of western North America. The authors highlight that current knowledge limitations lead to inefficient maintenance and inaccurate wildfire forecasting. They propose six key research opportunities designed to refine our grasp of how long treatments remain effective. These opportunities include evaluating longevity within specific management goals, referencing desired ecological conditions, accounting for natural forest variability, exploring internal treatment factors, increasing post-treatment sampling frequency, and incorporating spatial heterogeneity into analyses. The paper aims to foster climate-adaptive management that enhances dry forest resilience to wildfire through more efficient and informed treatment strategies.
  • 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.
  • Peer-Reviewed Literature

    Fire Treatment Effects on Vegetation, Structure, Fuels, and Potential Fire Severity in Western U.S. Forests

    This paper investigates the effectiveness of various fire management treatments on western U. S. coniferous forests, which have become more susceptible to severe wildfires due to a century of fire exclusion and altered land use. Researchers analyzed ...
    This paper investigates the effectiveness of various fire management treatments on western U. S. coniferous forests, which have become more susceptible to severe wildfires due to a century of fire exclusion and altered land use. Researchers analyzed the impacts of mechanical thinning, prescribed burning, and a combination of both across six diverse sites. The study found that mechanical thinning combined with prescribed fire was the most effective strategy for significantly reducing surface fuel loads, decreasing the likelihood of severe crown fires, and lowering predicted tree mortality. While mechanical-only treatments were less consistent, they were effective when whole-tree harvesting systems were used, minimizing residual surface fuels.
  • Guidance Document

    The Role of First Nations Guardians in Wildfire Response and Management - A Proposed National Strategy

    This document explores the critical and expanded role of First Nations Guardians in Canada's wildfire response and management efforts. The document argues that Indigenous-led conservation and stewardship, particularly through the growing Guardians mo...
    This document explores the critical and expanded role of First Nations Guardians in Canada's wildfire response and management efforts. The document argues that Indigenous-led conservation and stewardship, particularly through the growing Guardians movement, offers a powerful model for addressing both environmental challenges and reconciliation. The strategy addresses systemic challenges like climate change, the disproportionate impact of fires on Indigenous communities, and current barriers to First Nations participation in fire management, emphasizing the need to integrate Indigenous knowledge and science with Western practices. The doucment outlines a three-pronged approach for Guardians to contribute to emergency response, fire and forest management, and knowledge and science, emphasizing the need for sustained funding, training, and meaningful partnerships with Crown agencies to realize this vision.
  • Case Study

    Fire Risk Reduction in the Coastal Douglas-fir Biogeoclimatic Zone - A Practitioner's Report

    This document focuses on fire risk reduction in the Coastal Douglas Fir biogeoclimatic zone and synthesizes expertise from a collaborative community to address the escalating threat of wildfires. It highlights the unique challenges within the CDF, p...
    This document focuses on fire risk reduction in the Coastal Douglas Fir biogeoclimatic zone and synthesizes expertise from a collaborative community to address the escalating threat of wildfires. It highlights the unique challenges within the CDF, particularly the high concentration of human settlements integrated with forests and the prevalence of degraded, homogenous forest stands resulting from historical logging and fire suppression. The document emphasizes the critical need for ecologically-informed active forest management to restore biodiversity and enhance climate resilience, moving away from a zero-fire model. It explores current initiatives, identifies significant inter-jurisdictional complexities and funding gaps, especially concerning privately held lands, and advocates for multi-scale collaboration and the reintroduction of Indigenous land management practices to achieve long-term wildfire mitigation and ecological integrity.
  • Peer-Reviewed Literature

    Context-Dependent Disturbance Synergies - Subcortical Competitors May Constrain Bark Beetle Outbreaks Following Wildfires

    This paper explores how wildfires and beetle communities interact to influence Douglas-fir beetle outbreaks in British Columbia's forests. Traditionally, DFB populations are expected to surge after fires due to an abundance of weakened trees, but th...
    This paper explores how wildfires and beetle communities interact to influence Douglas-fir beetle outbreaks in British Columbia's forests. Traditionally, DFB populations are expected to surge after fires due to an abundance of weakened trees, but this study reveals a more complex dynamic. The presence of woodboring beetles, which also colonize fire-injured trees, can significantly constrain DFB population growth through interspecific competition. Specifically, when woodborers infest over 50% of trees in a stand, DFB reproduction falls below replacement levels, suggesting that these competitors can suppress potential DFB irruptions and ultimately influence forest resilience after disturbances.
  • Peer-Reviewed Literature

    Seedling Establishment on a Forest Restoration Site - An Ecophysiological Perspective

    This article explores the ecophysiological factors influencing seedling establishment in forest restoration efforts. It examines how a seedling's morphological and physiological characteristics interact with environmental conditions on restoration si...
    This article explores the ecophysiological factors influencing seedling establishment in forest restoration efforts. It examines how a seedling's morphological and physiological characteristics interact with environmental conditions on restoration sites, ultimately determining its success. The article explores how light, temperature, and water availability affect seedling performance, highlighting the challenges posed by extreme conditions like frost or drought and the benefits of optimal growing environments. The critical role of nutrient cycling and competitive vegetation is also discussed, emphasizing that a comprehensive understanding of these interactions is key to applying effective silvicultural practices that maximize seedling growth and ensure rapid forest stand establishment.
  • Extension Note

    Small Stream Riparian Retention - The Prince George Small Streams Project

    This extension note details the Prince George Small Streams Project, an initiative launched to evaluate the effectiveness of policies aimed at protecting the riparian functions and fish habitat values of small streams. The study assessed how a minimu...
    This extension note details the Prince George Small Streams Project, an initiative launched to evaluate the effectiveness of policies aimed at protecting the riparian functions and fish habitat values of small streams. The study assessed how a minimum riparian retention prescription impacted various stream characteristics. While the policy successfully met four of its five management objectives, it ultimately failed to maintain overall fish habitat values, particularly concerning the long-term supply of large woody debris, a significant decrease in litter fall, and an increase in stream temperatures due to reduced shade. Therefore, the authors recommend retaining all trees within 10 meters of the stream bank to better achieve desired environmental outcomes.
  • Extension Note

    The Bowron River Watershed - A Synoptic Assessment of Stream and Riparian Condition 20 30 Years after Salvage Logging

    This document presents a synoptic assessment of stream and riparian conditions in the Bowron River watershed, conducted 20-30 years after extensive salvage logging. The study investigates the long-term impacts of harvesting, prompted by a spruce beet...
    This document presents a synoptic assessment of stream and riparian conditions in the Bowron River watershed, conducted 20-30 years after extensive salvage logging. The study investigates the long-term impacts of harvesting, prompted by a spruce beetle outbreak in the 1970s and 80s, on stream health and surrounding riparian areas, which are crucial for ecological balance. Using the Routine Riparian Effectiveness Evaluation, the assessment compares current conditions to historical watershed assessment procedure rankings, revealing that while some recovery has occurred, the lack of mature vegetation in riparian zones continues to significantly impact stream characteristics, particularly the supply of large woody debris whcih is vital for stream morphology and fish habitat. The authors conclude by offering guidance statements to improve forest management practices, emphasizing the importance of riparian buffers, proper road deactivation, and minimizing soil compaction to mitigate ongoing adverse effects.
  • Extension Note

    Silviculture Treatments for Ecosystem Management in the Sayward - Cost and Productivity of Harvesting

    This document details a research project in British Columbia testing various silvicultural systems beyond traditional clearcutting to manage forests for multiple values, not just timber. The study evaluated the costs, productivity, tree damage, and s...
    This document details a research project in British Columbia testing various silvicultural systems beyond traditional clearcutting to manage forests for multiple values, not just timber. The study evaluated the costs, productivity, tree damage, and soil disturbance associated with different harvesting methods used in the first phase of the project. The findings highlight the trade-offs between different approaches, noting that methods like clearcutting were most cost-effective for harvesting, while alternative systems resulted in varying levels of tree damage and soil disturbance.
  • Guidance Document

    Aleza Lake Research Forest Silvicultural Practices and Management for the Stand and Forest

    This document outlines the principles and specific strategies guiding forest management within the Aleza Lake Research Forest. It's structured into key sections covering silvicultural practices, goals, and standards, emphasizing a balanced approach t...
    This document outlines the principles and specific strategies guiding forest management within the Aleza Lake Research Forest. It's structured into key sections covering silvicultural practices, goals, and standards, emphasizing a balanced approach to timber production, ecological values, research, and education. The document details aspects like reforestation methods, species selection, rotation lengths, and management of competing vegetation, all while considering climate change adaptation and forest health. This document serves as a comprehensive guide for ensuring sustainable and diverse forest management on the ALRF landbase, aligning with both provincial regulations and the unique objectives of a research and demonstration forest.
  • Peer-Reviewed Literature

    Climate Change Mitigation in British Columbia's Forest Sector - GHG Reductions Costs and Environmental Impacts

    This paper presents a comprehensive analysis of various strategies to reduce greenhouse gas emissions within British Columbia's forestry sector. The study uses a systems perspective, evaluating the impact of different forest management and wood utili...
    This paper presents a comprehensive analysis of various strategies to reduce greenhouse gas emissions within British Columbia's forestry sector. The study uses a systems perspective, evaluating the impact of different forest management and wood utilization practices not only on forest ecosystems but also on harvested wood products and the potential for wood to substitute for more emission-intensive materials. By quantifying GHG reductions alongside economic, socio-economic, and environmental consequences, the authors aim to provide an integrated framework for decision-makers to understand trade-offs and plan for long-term climate change mitigation in the land sector.
  • Peer-Reviewed Literature

    Carbon Sequestration in Managed Temperate Coniferous Forests Under Climate Change

    This paper explores the future of carbon storage within these vital ecosystems of British Columbia. Using a computer model, the researchers investigated how interactions between tree species, fire, forest management, and a changing climate might affe...
    This paper explores the future of carbon storage within these vital ecosystems of British Columbia. Using a computer model, the researchers investigated how interactions between tree species, fire, forest management, and a changing climate might affect the ability of these forests to absorb and store carbon until 2050. A key aspect of their work was the introduction of a new metric, net sector productivity, which offers a more comprehensive way to account for carbon by including not only forest ecosystems but also harvested wood products. The study aimed to provide a better understanding for developing effective climate change mitigation and adaptive management strategies in these forests.
  • Peer-Reviewed Literature

    Applying Resilience Concepts in Forest Management - A Retrospective Simulation Approach

    This paper investigates how different forest management strategies impact the resilience of forests facing climate change, specifically a mountain pine beetle outbreak in British Columbia. The authors use a retrospective simulation approach from 1980...
    This paper investigates how different forest management strategies impact the resilience of forests facing climate change, specifically a mountain pine beetle outbreak in British Columbia. The authors use a retrospective simulation approach from 1980 to 2060 to compare business as usual practices with two alternative strategies: one focused on increasing the diversity of replanted trees, and another that combined early harvesting of susceptible pine with diversified reforestation. The study assesses resilience by examining ecological factors like growing stock and tree species diversity, alongside socio-economic indicators such as timber flow stability and net revenue, concluding that proactive management enhancing diversity and reducing high-risk species leads to greater overall forest resilience in the face of climate-related disturbances.
  • Case Study

    Forest Fuel Treatments for the Southern West Kootenays - A Summary of Experiences in Other Place

    This document synthesizes existing research on forest fuel treatments and their effectiveness in modifying wildfire behavior. Recognizing that the local, currently wetter forests are projected to become similar to drier, fire-prone forests of the Wes...
    This document synthesizes existing research on forest fuel treatments and their effectiveness in modifying wildfire behavior. Recognizing that the local, currently wetter forests are projected to become similar to drier, fire-prone forests of the Western US due to climate change, the report explores how fuel treatments can reduce wildfire intensity and spread. It defines fuel treatments and outlines their objectives, such as ecosystem restoration and protecting communities, emphasizing that these actions aim to change fire behavior, not prevent fire ignition. Furthermore, the report delves into empirical evidence from past wildfires encountering treated areas, highlighting key principles for effective treatments in mature stands, including surface fuel reduction, increasing height to live crown, decreasing crown density, and retaining large fire-resistant trees. The ultimate purpose is to provide guidance for implementing appropriate and effective fuel management strategies in the Southern West Kootenays.
  • Case Study

    Moving Towards Adaptation Strategies in Forest Management - A Starting Place for the West Kootenays

    This document serves as a foundational guide for adapting forest management practices in the West Kootenay region of British Columbia in the face of climate change. Recognizing the confirmed reality of climate change and its projected impacts on the ...
    This document serves as a foundational guide for adapting forest management practices in the West Kootenay region of British Columbia in the face of climate change. Recognizing the confirmed reality of climate change and its projected impacts on the region, the report outlines a starting point for forest practitioners to consider and implement adaptation strategies. It structures these strategies across different scales - landscape, ecosystemstand, and operational - offering specific actions relevant to the unique vulnerabilities identified in the northern, mid, and southern subregions of the West Kootenays. Ultimately, the report emphasizes the need for a deliberate and informed decision-making process to select and implement effective adaptation measures, advocating for ongoing monitoring and collaboration among stakeholders.
  • Decision Aid

    To Masticate or Not - Useful Tips for Treating Forest Woodland and Shrubland Vegetation

    This document serves as a comprehensive guide for land managers considering mastication as a vegetation management tool. It synthesizes current scientific knowledge, detailing the characteristics and costs of various mastication equipment, including ...
    This document serves as a comprehensive guide for land managers considering mastication as a vegetation management tool. It synthesizes current scientific knowledge, detailing the characteristics and costs of various mastication equipment, including carrier machines and cutting heads. The report also summarizes the ecological effects of mastication on vegetation, soils, and wildlife habitat, noting the variability of these impacts across different ecosystems. It provides decision trees and implementation criteria to aid managers in selecting the most appropriate treatment methods and mastication configurations based on their specific site conditions and management objectives.
  • Peer-Reviewed Literature

    The 2023 Wildfires in British Columbia, Canada - Impacts, Drivers, and Transformations to Coexist with Wildfire

    This paper analyzes the record-breaking 2023 wildfires in British Columbia, detailing their significant ecological and social impacts, which are seen as the result of a century of altered relationships with fire intensified by climate change. The aut...
    This paper analyzes the record-breaking 2023 wildfires in British Columbia, detailing their significant ecological and social impacts, which are seen as the result of a century of altered relationships with fire intensified by climate change. The authors argue for an urgent transformative shift towards coexisting with wildfire, moving beyond suppression to embrace its ecological role and Indigenous stewardship practices. The paper proposes six interrelated strategies to achieve this coexistence: diversifying wildfire response, increasing suppression capacity, mitigating community risk, implementing landscape fire management, transforming wildfire governance, and strengthening expertise. This paper emphasizes the need for a holistic, all-of-society approach involving policy changes, sustained funding, and collaboration to build resilience against future extreme wildfires.
  • Technical Report

    Climate Change Impacts and Adaptation Scenarios - Climate Change and Forest Range Management in BC

    This report examines the projected impacts of climate change on British Columbia's forest and range resources. It begins by outlining future climate scenarios for British Columbia, emphasizing anticipated increases in temperature and shifts in precip...
    This report examines the projected impacts of climate change on British Columbia's forest and range resources. It begins by outlining future climate scenarios for British Columbia, emphasizing anticipated increases in temperature and shifts in precipitation patterns based on global climate model projections. The report explores the potential ecological and economic consequences of these changes, including effects on species distribution, forest disturbances like fires and pests, and resource management practices. Finally, it proposes a framework for developing adaptation strategies and offers recommendations to proactively address the challenges posed by a changing climate.
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