21 resources found

Tags: coastal western hemlock Variable retention

Filter Results
  • Extension Note

    Successional Responses to Natural Disturbance Forest Management and Climate Change in British Columbia Forests

    This extension note outlines the successional pathways of various forest ecosystems in British Columbia and how these natural trajectories are influenced by natural disturbances, forest management practices, and projected climate change. The document...
    This extension note outlines the successional pathways of various forest ecosystems in British Columbia and how these natural trajectories are influenced by natural disturbances, forest management practices, and projected climate change. The document describes typical post-disturbance development, the impacts of human interventions like harvesting, and potential future shifts due to altered temperature and precipitation regimes. The primary aim is to provide natural resource managers with a concise overview to inform strategies for building resistant and resilient forests in the face of ongoing environmental change.
  • Case Study

    Disturbance Regimes in Coastal British Columbia

    This paper challenges the traditional view that stand-initiating fires are the dominant disturbance regime in British Columbia's wet coastal temperate rainforests. Through a comprehensive literature review and analysis of empirical data, the authors ...
    This paper challenges the traditional view that stand-initiating fires are the dominant disturbance regime in British Columbia's wet coastal temperate rainforests. Through a comprehensive literature review and analysis of empirical data, the authors argue that fine-scale gap dynamics, resulting from the death of individual or small groups of trees, is the primary process shaping these forests. They present four lines of evidence supporting this, including the prevalence of old-growth forests dominating the landscape, the infrequency of historical fires, and the biophysical conditions that limit fire spread. The paper emphasizes that a better understanding of these natural disturbance patterns, particularly gap dynamics, is crucial for developing sustainable forest management and conservation strategies in British Columbia.
  • Case Study

    Status of British Columbia Long-Term Silvicultural Systems Research Trial

    This document is a detailed inventory of numerous forestry research projects across British Columbia. It systematically catalogues various long-term studies examining different silvicultural systems, which are methods for managing forest growth and h...
    This document is a detailed inventory of numerous forestry research projects across British Columbia. It systematically catalogues various long-term studies examining different silvicultural systems, which are methods for managing forest growth and harvesting timber. The document is structured geographically, listing trials in the Southern Interior, Northern Interior, and Coast regions, as well as smaller, province-wide trials, university research forests, demonstration areas, and operational case studies. For each listed project, the document typically provides information such as the establishment year, location, ecological zone, tested silvicultural systems (like clearcutting, shelterwood, and group selection), trial objectives (e.g., impacts on regeneration, wildlife, or disease), and often a list of associated publications and contact information, highlighting the extensive research network in the province.
  • Case Study

    Alternative Silvicultural Systems on Steep-Sloped Old-Growth Forests on the Queen Charlotte Islands Project Overview and Regeneration Development

    This case study details a research project investigating alternative silvicultural systems to clearcutting in the steep-sloped old-growth forests of the Queen Charlotte Islands (now Haida Gwaii). The study, initiated in 1992, compared the effects of ...
    This case study details a research project investigating alternative silvicultural systems to clearcutting in the steep-sloped old-growth forests of the Queen Charlotte Islands (now Haida Gwaii). The study, initiated in 1992, compared the effects of single-tree selection, two levels of group selection, and clearcutting on regeneration (both natural and planted) and residual stand characteristics over a seven-year period. Key findings address the effectiveness of these methods in promoting the regeneration of western hemlock, Sitka spruce, and western redcedar, as well as the impact on residual tree damage and browsing pressure from Sitka black-tailed deer, ultimately aiming to inform sustainable forest management practices in this sensitive ecosystem.
  • Presentation Slides

    Alternative silvicultural systems (MASS) and variable retention (VRAM) research

    This document summarizes key findings from two long-term silvicultural research initiatives: the Montane Alternative Silvicultural Systems study and the Variable Retention Adaptive Management experiments. The MASS study, spanning 25 years, compared...
    This document summarizes key findings from two long-term silvicultural research initiatives: the Montane Alternative Silvicultural Systems study and the Variable Retention Adaptive Management experiments. The MASS study, spanning 25 years, compared clearcutting to various alternative methods, revealing that tree growth was best in clearcuts, though other methods offered biodiversity benefits and paved the way for variable retention. The VRAM research explored different retention strategies, identifying windthrow as a significant challenge and demonstrating that retention provides crucial life-boating habitat for various species, with the amount, aggregation, and size of retained areas being critical factors. The research highlights that while increased canopy retention and dispersion can impact tree growth, these alternative systems offer important ecological advantages, particularly for understory vegetation and diverse species.
  • Presentation Slides

    25 years of variable retention implementation on WFP tenure

    This document outlines the corporate and operational implementation of VR, including specific targets and zoning strategies, alongside a monitoring framework to ensure intended ecological outcomes are met. The document asserts that VR is crucial for ...
    This document outlines the corporate and operational implementation of VR, including specific targets and zoning strategies, alongside a monitoring framework to ensure intended ecological outcomes are met. The document asserts that VR is crucial for future forest management as it aligns with broader BC initiatives for biodiversity and ecosystem health.
  • Guidance Document

    Coastal Fire Weather Zone

    This document outlines best management practices for fuel treatment within British Columbia's coastal fire weather zone, encompassing the Coastal Western Hemlock and Coastal Douglas Fir biogeoclimatic zones. It details the ecology of this temperate...
    This document outlines best management practices for fuel treatment within British Columbia's coastal fire weather zone, encompassing the Coastal Western Hemlock and Coastal Douglas Fir biogeoclimatic zones. It details the ecology of this temperate rainforest, noting that while mature stands typically resist widespread fires due to high moisture and closed canopies, disturbed areas and specific drier zones are more prone to fire, especially with the presence of invasive species. The core purpose is to guide fire management through specific interventions, focusing on surface, ladder, and crown fuel reduction to prevent canopy fires, alongside recommendations for forest health mitigation to prevent pest outbreaks after treatment. The document also references established Canadian Forest Fire Behaviour Prediction System fuel types to characterize fire risk and includes practical examples of post-treatment characteristics from various locations.
  • 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

    Silviculture Guidelines and Practices for Maintaining or Recruiting Key Habitat Objectives

    This document provides operational management guidance for forest managers on how to integrate wildlife habitat considerations into forestry practices. It identifies ten key, broad habitat objectives relevant to many forested regions, focusing on mai...
    This document provides operational management guidance for forest managers on how to integrate wildlife habitat considerations into forestry practices. It identifies ten key, broad habitat objectives relevant to many forested regions, focusing on maintaining or encouraging features like coarse woody debris, wildlife tree patches, and specific habitat needs for various species, including cavity-nesting birds and ungulates. For each objective, the report offers management guidelines and silvicultural practices, suggesting how activities like harvesting, regeneration, and stand tending can be adapted to support wildlife. The document emphasizes using these guidelines in areas with high habitat suitability, as defined within associated forest stewardship plans, and intends to complement existing provincial and regional forest management guidelines.
  • Guidance Document

    Fire Management Stocking Standards Guidance Document

    This document outlines how to integrate wildfire risk reduction into forest regeneration practices. It explains that these standards are modifications of existing reforestation guidelines, tailored to achieve specific fire management objectives, such...
    This document outlines how to integrate wildfire risk reduction into forest regeneration practices. It explains that these standards are modifications of existing reforestation guidelines, tailored to achieve specific fire management objectives, such as reducing crown fire potential and enhancing fire suppression effectiveness, particularly near communities and high-value infrastructure. The document details considerations for developing these standards, including species selection based on fire resilience, stand density management to influence fire behavior, and structural characteristics like canopy base height. It provides a framework and examples for forest professionals to create stocking standards that balance timber production with proactive wildfire management at both local and landscape levels.
  • Peer-Reviewed Literature

    Harvest Intensity Effects on Carbon Stocks and Biodiversity Are Dependent on Regional Climate in Douglas-Fir Forests of British Columbia

    This paper investigates how different forest harvesting methods impact both the amount of carbon stored and the variety of plant and tree life. The study compared the effects of clearcutting, varying levels of partial tree retention, and no harvestin...
    This paper investigates how different forest harvesting methods impact both the amount of carbon stored and the variety of plant and tree life. The study compared the effects of clearcutting, varying levels of partial tree retention, and no harvesting across different climatic regions in British Columbia's Douglas-fir forests, ranging from humid to semi-arid. The central finding is that the intensity of harvesting significantly influences carbon storage and biodiversity, but importantly, the magnitude of these effects is strongly linked to the regional climate.
  • Case Study

    Implementing New Forest Management Principles in Coastal British Columbia Case Study 3

    This case study investigates the economic and operational feasibility of implementing variable retention harvesting in coastal British Columbia. It details a specific trial on northern Vancouver Island, comparing a clearcut and a dispersed retentio...
    This case study investigates the economic and operational feasibility of implementing variable retention harvesting in coastal British Columbia. It details a specific trial on northern Vancouver Island, comparing a clearcut and a dispersed retention compartment within the same cutblock, analyzing the productivity and costs associated with different harvesting systems and equipment. The study aims to provide information on the practical challenges of adopting new forest management principles focused on sustaining ecological values alongside economic viability, ultimately contributing to the refinement of these techniques through adaptive management.
  • Case Study

    Implementing New Forest Management Principles in Coastal British Columbia Case Study 2

    This case study investigates the economic and operational feasibility of implementing variable retention harvesting in coastal British Columbia. It details a specific trial on northern Vancouver Island, comparing a clearcut and a dispersed retention...
    This case study investigates the economic and operational feasibility of implementing variable retention harvesting in coastal British Columbia. It details a specific trial on northern Vancouver Island, comparing a clearcut and a dispersed retention compartment within the same cutblock, analyzing the productivity and costs associated with different harvesting systems and equipment. The study aims to provide information on the practical challenges of adopting new forest management principles focused on sustaining ecological values alongside economic viability, ultimately contributing to the refinement of these techniques through adaptive management.
  • Case Study

    Implementing New Forest Management Principles in Coastal British Columbia Case Study 1

    This case study investigates the practical application and economic implications of ecosystem-based management in coastal British Columbia. It details a specific harvesting operation undertaken with Canadian Forest Products Ltd. , examining the produ...
    This case study investigates the practical application and economic implications of ecosystem-based management in coastal British Columbia. It details a specific harvesting operation undertaken with Canadian Forest Products Ltd. , examining the productivity and costs associated with different harvesting methods when implementing principles that emulate natural forest disturbances and conserve biodiversity. The study aims to provide empirical knowledge to foresters by analyzing a real-world example of this relatively new forest management paradigm, considering factors like retention levels of trees, operational feasibility, and potential impacts on the residual stand and soil.
  • Technical Report

    Silviculture Treatments for Ecosystem Management in the Sayward (STEMS) Establishment Report for STEMS 1 Snowden Demonstration Forest

    This document details the establishment of a significant forestry experiment called Silviculture Treatments for Ecosystem Management in the Sayward. The core purpose of STEMS is to compare different forest harvesting and management techniques beyond ...
    This document details the establishment of a significant forestry experiment called Silviculture Treatments for Ecosystem Management in the Sayward. The core purpose of STEMS is to compare different forest harvesting and management techniques beyond traditional clearcutting in second-growth Douglas-fir stands. This comparison evaluates their impacts on forest productivity, economics, and public perception, aiming to provide scientific data for making informed decisions about sustainable, multiple-use forest management. The project replicates a similar study in Washington State to enhance the reliability and broader applicability of its findings, addressing the increasing demand for forestry practices that balance timber production with ecological and social values.
  • Guidance Document

    Silviculture Options in the Central Coast

    This document explores alternatives to clearcutting in British Columbia. It details the environmental context of the Central Coast, including its physical environment, diverse biota, and natural and human-caused disturbances, emphasizing the unique c...
    This document explores alternatives to clearcutting in British Columbia. It details the environmental context of the Central Coast, including its physical environment, diverse biota, and natural and human-caused disturbances, emphasizing the unique characteristics of its three ecological subunits: the Hecate Lowland, the Outer Coast Mountains, and the Inner Coast Mountains. The document explores silvicultural systems, contrasting traditional methods with more ecologically sensitive approaches like variable retention, and analyzes the operational and economic implications of implementing partial cutting in this distinctive operating environment, ultimately providing strategic recommendations for sustainable forest management tailored to British Columbia's Central Coast's ecological and socioeconomic realities.
  • Extension Note

    Adapting Forest and Range Management to Climate Change in the Skeena Region Considerations for Practitioners and Government Staff

    This extension note serves as a guide for adapting forest and range management practices in the Skeena Region of British Columbia to the realities of climate change. Recognizing the significant impact of a warming and wetter climate with increased ex...
    This extension note serves as a guide for adapting forest and range management practices in the Skeena Region of British Columbia to the realities of climate change. Recognizing the significant impact of a warming and wetter climate with increased extreme weather on local ecosystems, it synthesizes current climate change research to project future conditions and their ecological consequences. The document outlines potential adaptation strategies for resource professionals and government staff involved in operational planning, effectiveness monitoring, and climate action plans. Ultimately, the goal is to foster resilient ecosystems that can continue to provide essential services and products in the face of ongoing climatic shifts.
  • Case Study

    Alternatives to Clearcutting in BC Coastal Montane Forests

    This paper details the establishment and early findings of the Montane Alternative Silvicultural Systems partnership, formed to investigate alternatives to clearcutting in the high-elevation old-growth forests of Vancouver Island. The study compares...
    This paper details the establishment and early findings of the Montane Alternative Silvicultural Systems partnership, formed to investigate alternatives to clearcutting in the high-elevation old-growth forests of Vancouver Island. The study compares the operational costs and biological impacts of Uniform Shelterwood, Green Tree Retention, and Patch Cuttings to traditional clearcutting and an old-growth control. Initial results highlight differences in harvesting expenses, windthrow, site disturbance, nutrient cycling, understory vegetation response, and coniferous regeneration, emphasizing the complexity of balancing timber harvesting with ecological sustainability in these montane ecosystems.
  • Extension Note

    Successional Responses to Natural Disturbance Forest Management and Climate Change in British Columbia's Forests

    This extension note outlines the successional pathways of various forest ecosystems in British Columbia and how these natural trajectories are influenced by natural disturbances, forest management practices, and projected climate change. The authors ...
    This extension note outlines the successional pathways of various forest ecosystems in British Columbia and how these natural trajectories are influenced by natural disturbances, forest management practices, and projected climate change. The authors describe typical disturbance regimes like fire and insect outbreaks within different Ecoprovinces and their characteristic Ecosystem Types. Furthermore, the note discusses how human interventions, particularly logging, have altered these successional patterns, and it concludes by considering the potential future impacts of changing temperature and precipitation on these vital forest dynamics, emphasizing the need for management that fosters resilient and resistant forests.
  • Technical Report

    Roberts Creek Study Forest Harvesting Windthrow and Conifer Regeneration Within Alternative Silviculture Systems in Douglas-fir Dominated Forests on the Sunshine Coast

    This document details the establishment and early findings of the Roberts Creek Study Forest. The RCSF was created to demonstrate and evaluate various alternatives to clearcutting in mature Douglas-fir dominated forests on the Sunshine Coast. By impl...
    This document details the establishment and early findings of the Roberts Creek Study Forest. The RCSF was created to demonstrate and evaluate various alternatives to clearcutting in mature Douglas-fir dominated forests on the Sunshine Coast. By implementing different silvicultural systems, such as dispersed retention and extended rotation, the study aims to assess their impacts on aspects like harvesting, windthrow, and the regeneration of conifer species like Douglas-fir and western redcedar, while also considering ecological, social, and economic objectives in forest management. The report outlines the study area, methodologies used for different treatments, and presents initial results regarding post-harvest stand structure, soil disturbance, windthrow patterns, seedfall, and both natural and planted regeneration.
You can also access this registry using the API (see API Docs).