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Sexual and Vegetative Recruitment of Trembling Aspen Following a High-Severity Boreal Wildfre
This paper investigates how the post-fire regeneration of trembling aspen is affected by the unique conditions of a high-severity boreal wildfire, specifically the Chuckegg Creek Fire in Alberta, Canada. The study's primary finding is that the succes...This paper investigates how the post-fire regeneration of trembling aspen is affected by the unique conditions of a high-severity boreal wildfire, specifically the Chuckegg Creek Fire in Alberta, Canada. The study's primary finding is that the success of aspen recruitment, either through vegetative suckering or seedlings, is strongly determined by surface fire severity and the timing of the burn relative to spring green-up. High surface fire severity, especially after green-up, decreased suckering by damaging root systems but simultaneously promoted the establishment of seedlings, effectively filling the regeneration gap and highlighting an alternative path for the foresta?Ts ecological resilience against intense disturbances. The paper concludes that a landscape mosaic of fire severities is crucial for maintaining both the long-lived clonal persistence and the necessary genetic diversity provided by sexual reproduction. -
Wildland Urban Interface Wildfire Risk Reduction Plan
This document establishes a consistent provincial approach for fuel management planning in British Columbia. The primary purpose of this document is to direct forest professionals in developing Wildfire Risk Reduction Plans, which strategically iden...This document establishes a consistent provincial approach for fuel management planning in British Columbia. The primary purpose of this document is to direct forest professionals in developing Wildfire Risk Reduction Plans, which strategically identify and prioritize areas for fuel management projects on Provincial Crown land adjacent to communities. The plan outlines a phased WRR Plan Development Process, moving from data collection and risk analysis to the delineation of planning units, such as Wildfire Risk Reduction Units, and the smallest operational-scale Fuel Management Units, with an emphasis on total-chance planning to ensure community resiliency by reducing wildfire intensity and increasing suppression opportunities. The successful execution of a WRR Plan requires extensive collaboration and coordination among various stakeholders, including the BC Wildfire Service, land managers, and Indigenous Nations. -
Chief Forester Forest Management Options for Reducing Slash Pile Burning Best Management Practices
This document outlines best management practices developed by the Chief Forester to reduce the harmful effects of slash pile burning in British Columbia forest management. The core purpose is to minimize waste, lower greenhouse gas emissions, and max...This document outlines best management practices developed by the Chief Forester to reduce the harmful effects of slash pile burning in British Columbia forest management. The core purpose is to minimize waste, lower greenhouse gas emissions, and maximize fibre utilization through integrated planning, silviculture, and harvesting techniques. Rather than offering prescriptive solutions, the document presents a range of options, such as promoting partial cutting and scattering woody debris, which must be evaluated based on site-specific factors like fire risk, biodiversity, and economics. This document seeks to treat forest management as a versatile tool to achieve diverse environmental and resource values. -
Fuel Treatments in Whitebark Pine Forests - Limiting Whitebark Pine Mortality During Burning
This document provides guidance on using fuel treatments and prescribed burning to protect whitebark pine forests, emphasizing methods to mitigate WBP mortality during fire. It outlines specific thresholds for crown and bark char damage that threate...This document provides guidance on using fuel treatments and prescribed burning to protect whitebark pine forests, emphasizing methods to mitigate WBP mortality during fire. It outlines specific thresholds for crown and bark char damage that threaten tree survival and suggests that mechanical treatments may be necessary to reduce fuels prior to burning, particularly in areas with abundant competing conifers. The document categorizes forest stands as Good, Marginal, or Avoid Candidate Areas for prescribed burning based on the presence of cone-bearing WBP trees and vigorous regeneration, advocating for mechanical fuel reduction in high-value areas and generally advising against burning stands with high levels of cone-bearing trees or limited competition. Finally, the paper recommends coordinating fire planning with silviculturists and entomologists to account for factors like mountain pine beetle pressure and ensure a heterogeneous forest structure that minimizes the risk of large, high-severity wildfires. -
Our Future with Fire - Barriers and Opportunities for the Revitalization of Fire Stewardship
This webinar highlights the urgent need to shift from aggressive fire suppression in British Columbia to a paradigm that embraces controlled fire and Indigenous fire stewardship. The webinar argues that fire exclusion has created a wildfire deficit d...This webinar highlights the urgent need to shift from aggressive fire suppression in British Columbia to a paradigm that embraces controlled fire and Indigenous fire stewardship. The webinar argues that fire exclusion has created a wildfire deficit disorder, resulting in massive fuel accumulation and increasingly severe, unsuppressable fire events. A core theme is the critical importance of recognizing and integrating the deep expertise of Indigenous practitioners, whose knowledge of cultural burning is often overlooked in favor of expensive and less effective suppression tactics. -
A Note on the Ecology and Management of Old Growth Forests in the Montane Cordillera
This paper provides an ecological and management overview of the old-growth forests in Canada's Montane Cordillera, a region spanning British Columbia and Alberta known for having the nation's most diverse range of old-growth coniferous forests due t...This paper provides an ecological and management overview of the old-growth forests in Canada's Montane Cordillera, a region spanning British Columbia and Alberta known for having the nation's most diverse range of old-growth coniferous forests due to its varied climates and natural disturbance regimes. The author emphasizes that a forest's history of climate and disturbance profoundly influences the abundance and structure of old-growth stands, noting that wetter climates support more abundant old forests and old-growth-dependent organisms, such as epiphytic lichens. The text critiques the challenges of defining old-growth, which is often arbitrary and dependent on an ecologist's viewpoint, and highlights the urgent need for a better ecological understanding to make informed land-use decisions for both the wet-belt rainforests and the drier forests, which are heavily impacted by human activities. -
Managing Slash to Minimize Colonization of Residual Trees by Ips and Other Bark Beetle Species Following Thinning in Southwestern Ponderosa Pine
This document provides a comprehensive guide for managing logging slash produced by thinning operations in ponderosa pine forests, with the critical goal of minimizing colonization and subsequent infestation of residual trees by bark beetles. Thinnin...This document provides a comprehensive guide for managing logging slash produced by thinning operations in ponderosa pine forests, with the critical goal of minimizing colonization and subsequent infestation of residual trees by bark beetles. Thinning creates substantial amounts of woody debris which serves as an ideal habitat for beetles, and as such, managers must employ various techniques to mitigate risk. The document explores factors influencing beetle attacks, such as timing of slash creation, stand density, and log size, while detailing practical management strategies including direct removal, solarization, and the complicated trade-offs of using techniques like chipping and green chaining. The purpose of this document is to equip land managers with diverse, site-specific treatment options to balance forest health objectives with the urgent need to reduce bark beetle risks. -
Effect of Commercial Thinning on Within-Stand Microclimate and Fine Fuel Moisture Conditions in a Mature Lodgepole Pine Stand in Southeastern British Columbia
This document details a study on the effect of commercial thinning on within-stand microclimate and fine fuel moisture in a mature lodgepole pine forest in southeastern British Columbia. Researchers compared thinned and unthinned stands, observing th...This document details a study on the effect of commercial thinning on within-stand microclimate and fine fuel moisture in a mature lodgepole pine forest in southeastern British Columbia. Researchers compared thinned and unthinned stands, observing that thinning led to decreased rainfall interception and increases in solar radiation, wind speed, and near-surface air temperature. While fine fuel moisture content was lower in the thinned stand immediately after rain, these differences became very small under moderate and high fire danger conditions, suggesting minimal practical impact on ignition probability or crowning potential at those times. The study also validated the effectiveness of the Fine Fuel Moisture Code component of the Canadian Fire Weather Index System for predicting fuel moisture in both stand types during critical fire danger periods. -
Ecosystem Management in Paludified Boreal Forests - Enhancing Wood Production, Biodiversity, and Carbon Sequestration at the Landscape Level
This paper examines ecosystem management strategies for the paludified boreal forests of Canada, emphasizing how to simultaneously enhance wood production, biodiversity, and carbon sequestration. The authors delve into how natural disturbances, parti...This paper examines ecosystem management strategies for the paludified boreal forests of Canada, emphasizing how to simultaneously enhance wood production, biodiversity, and carbon sequestration. The authors delve into how natural disturbances, particularly fire severity, influence forest dynamics, soil properties, and the diversity of plant and invertebrate communities. They then contrast these natural processes with the impacts of different logging methods on soil, productivity, and understory vegetation, highlighting how traditional clearcutting and careful logging compare to natural fire regimes. Finally, the paper discusses the critical role of these forests in carbon sequestration and proposes management approaches that emulate natural disturbances to maintain old-growth forest characteristics and mitigate climate change. -
Stock Type Selection and Ordering Guidelines
This document assists silviculturists in British Columbia with the process of stock type selection for reforestation efforts. The document details the characteristics and definitions of both container-grown and field-grown stock, emphasizing that the...This document assists silviculturists in British Columbia with the process of stock type selection for reforestation efforts. The document details the characteristics and definitions of both container-grown and field-grown stock, emphasizing that the correct choice significantly impacts a plantation's survival and early growth. Key sections are dedicated to factors influencing selection, such as species, site limiting factors, and logistics related to ordering and tracking stock types, as well as proper receiving and handling stock upon delivery. This document serves as a comprehensive reference to match specific seedling characteristics with site-specific conditions and cost considerations. -
Tree Wounding and Partial Cut Harvesting
This document is a literature review for British Columbia focusing on the relationship between tree wounding and partial-cut harvesting practices. The primary purpose is to provide a consolidated reference on tree damage, wood-decaying fungi, and the...This document is a literature review for British Columbia focusing on the relationship between tree wounding and partial-cut harvesting practices. The primary purpose is to provide a consolidated reference on tree damage, wood-decaying fungi, and the resulting losses. The document details the physical response of trees to injury, introducing concepts like compartmentalization of decay in trees, which explains how trees attempt to wall off damage. The document explores how harvesting activities, particularly logging injuries to residual trees, create entry points for various wound parasites and true heartrots, with the severity of decay being strongly influenced by factors like wound size and age, and the location of the injury. -
Analysis of a Skyline Partial Cutting Operation in the Interior Cedar Hemlock Biogeoclimatic Zone
This technical report presents an analysis of a skyline partial cutting operation conducted in British Columbia's Interior Cedar-Hemlock zone. The primary goal was to evaluate the economic and operational feasibility of using a specific cable yarding...This technical report presents an analysis of a skyline partial cutting operation conducted in British Columbia's Interior Cedar-Hemlock zone. The primary goal was to evaluate the economic and operational feasibility of using a specific cable yarding system to meet modern silvicultural goals in this ecosystem. This report confirmed the importance of careful logging planning and developed productivity functions to help forest engineers predict and optimize the use of single- and multi-span skyline configurations in future partial cuts. -
The Retention System - Reconciling Variable Retention with the Principles of Silvicultural Systems
This paper introduces the retention system, a silvicultural system to align forest management with the principles of ecosystem management, moving beyond a singular focus on sustained production of timber. This system is specifically designed to imple...This paper introduces the retention system, a silvicultural system to align forest management with the principles of ecosystem management, moving beyond a singular focus on sustained production of timber. This system is specifically designed to implement the variable retention approach to harvesting, which prioritizes retaining trees and structures for ecological objectives, such as maintaining structural heterogeneity and protecting biological legacies. The paper argues for the necessity of this new terminology to clearly convey the intent of management where the maintenance of ecological complexity is as crucial as traditional yield expectations, acknowledging that these goals may reduce timber productivity. The retention system is defined by its requirement to maintain long-term structural diversity and ensure forest influence over the majority of the harvested area. -
Douglas-fir Management Guidelines for the Prince George Forest Region
These guidelines serve as a critical framework for managing and conserving the Interior Douglas-fir resource for the Prince George forest region until formal Landscape Unit objectives are implemented. The document outlines guiding principles that emp...These guidelines serve as a critical framework for managing and conserving the Interior Douglas-fir resource for the Prince George forest region until formal Landscape Unit objectives are implemented. The document outlines guiding principles that emphasize the tree's importance for biodiversity and structural diversity, particularly recognizing its role in a wildfire-dominated natural disturbance regime. A key objective is ensuring No Net Loss of Douglas-fir Forest Types by requiring that harvested Douglas-fir stands are regenerated with the same or greater composition of the species. The guidelines demand the retention of a post-harvest range of Douglas-fir stand structure and age classes, including large old trees, and include a detailed rating system to assess sites for their regeneration and retention potential. -
Integrating Ecosystem Restoration into Forest Management Practical Examples for Foresters
This core purpose of this document is to present ideas and case studies demonstrating how to integrate ecological restoration into routine forest management practices to enhance biodiversity, reduce risks, and achieve sustainable certification. This ...This core purpose of this document is to present ideas and case studies demonstrating how to integrate ecological restoration into routine forest management practices to enhance biodiversity, reduce risks, and achieve sustainable certification. This document outlines key ecological issues, such as landscape fragmentation and the loss of natural stand structural elements, and details corresponding restoration approaches across eleven distinct case studies, from restoring open forest and open range through commercial thinning to mitigating road impacts and restoring riparian habitat integrity. Finally, the document prioritizes specific forested ecosystems with high priority restoration needs in BC, offering tailored solutions for zones like the Interior Douglas-fir and Coastal Western Hemlock. -
Adaptation to Climate Change in Forest Management
This paper outlines how the forestry community can integrate a climate change focus into sustainable forest management practices to address expected environmental shifts over the next century. The core argument is that while forests will autonomously...This paper outlines how the forestry community can integrate a climate change focus into sustainable forest management practices to address expected environmental shifts over the next century. The core argument is that while forests will autonomously adapt, active planned adaptation is necessary to reduce vulnerability and influence the timing and direction of changes in commercially valuable areas. To facilitate this crucial response, the authors present a framework for evaluating long-term impacts, developing cost-effective adaptive actions now and in the future, and managing disturbances while preserving genetic diversity and resilience. This paper views climate change adaptation as a necessary risk management component of forest planning, offering a comprehensive summary of potential actions across areas like gene management, forest protection, and silviculture. -
Understory Responses to Mechanical Restoration and Drought Within Montane Forests of British Columbia
This document investigates the effects of forest restoration thinning on the plant life beneath the tree canopy in two dry forest types. The initial findings consistently showed that the abundance of understorey shrubs and herbs was positively linked...This document investigates the effects of forest restoration thinning on the plant life beneath the tree canopy in two dry forest types. The initial findings consistently showed that the abundance of understorey shrubs and herbs was positively linked to light intensity and inversely related to the density of trees, emphasizing the negative impact of conifer ingrowth. However, immediately following mechanical thinning, the study observed an unexpected short-term reduction in understorey species richness, diversity, and cover, particularly when compounded by drought conditions. These results suggest that while thinning aims to mitigate the long-term negative impacts of increased tree density, the immediate mechanical disturbance requires careful management, especially concerning factors like the timing of treatment and post-treatment grazing. -
Roosevelt Elk Wildlife Habitat Decision Aid
This document serves as a practical guide for forest managers in British Columbia's Coast Forest Region. Its primary purpose is to help conserve and maintain suitable winter habitat for Roosevelt elk while simultaneously ensuring successful conifer r...This document serves as a practical guide for forest managers in British Columbia's Coast Forest Region. Its primary purpose is to help conserve and maintain suitable winter habitat for Roosevelt elk while simultaneously ensuring successful conifer regeneration. This document details crucial aspects like habitat features, risks associated with forestry activities such as road building and timber harvesting, and various silvicultural strategies to mitigate elk browse damage to young trees. By summarizing extensive research and expert discussions, this document provides foresters with the necessary information to balance wildlife conservation with timber production goals. -
Vegetation Complex Stand Establishment Decision Aid
This document presents tools designed to assist silvicultural practitioners in making informed decisions about managing competing vegetation and forest health. This document provides crucial information on biological features and site-limiting factor...This document presents tools designed to assist silvicultural practitioners in making informed decisions about managing competing vegetation and forest health. This document provides crucial information on biological features and site-limiting factors for new and less experienced professionals, without making the decisions for them. The document presents three vegetation complexes in the Cariboo Forest Region including Dry Shrub, Fireweed, and Mixed Hardwood-Shrub, each detailing common species, treatment necessity based on site series, silvicultural considerations, and autecological characteristics, ultimately aiding in effective forest management strategies. The docuement also highlight other valuess such as the importance for First Nations, wildlife, and ecosystem protection. -
Cariboo Forest Region Forest Health Stand Establishment Decision Aid
This document introduces crucial tools for silvicultural practitioners in the Cariboo Forest Region. This document synthesizes research and local knowledge to provide guidance on managing factors like competing vegetation and forest health, rather th...This document introduces crucial tools for silvicultural practitioners in the Cariboo Forest Region. This document synthesizes research and local knowledge to provide guidance on managing factors like competing vegetation and forest health, rather than dictating decisions. Specifically, the document details stand establishment for various issues affecting lodgepole pine, including Comandra and Stalactiform Blister Rust, Lodgepole Pine Dwarf Mistletoe, Lodgepole Pine Terminal Weevil, Pine Needlecast, and Western Gall Rust. For each issue, hazard ratings are offered based on biogeoclimatic zones and subzones and outline silvicultural considerations for establishment, regeneration, and plantation maintenance, empowering practitioners to make informed management strategies.
