16 resources found

Formats: PDF Tags: Hydrology

Filter Results
  • Peer-Reviewed Literature

    How Extension Enhances the Knowledge and Practice of Innovative Silviculture in British Columbia Canada

    This paper examines how extension, a dynamic process of knowledge exchange, can bridge the gap between scientific research and field application to support innovative silviculture in British Columbia. The authors outline a framework of five extension...
    This paper examines how extension, a dynamic process of knowledge exchange, can bridge the gap between scientific research and field application to support innovative silviculture in British Columbia. The authors outline a framework of five extension forms, ranging from one-way sharing to co-produced knowledge generation, designed to help foresters adapt to modern pressures such as climate change, wildfire severity, and the legal recognition of Indigenous Rights and Title. By reviewing the history of extension, this document acknowledges the field's colonial and anti-Indigenous origins while advocating for a future grounded in reciprocity and ethical collaboration. This document serves as a call to action for organizations to formally value and resource extension staff, ensuring that stewardship practices are effectively informed by a diverse range of social, economic, and ecological values.
  • Case Study Technical Report

    Alternative Silvicultural Systems for Harvesting and Regenerating Spruce-dominated Boreal Mineral Wetland

    This document details a study evaluating alternative silvicultural systems designed to improve the reforestation of spruce-dominated boreal mineral wetlands in Alberta. Researchers compared narrow alternating strip-cuts and patch clear-cuts against u...
    This document details a study evaluating alternative silvicultural systems designed to improve the reforestation of spruce-dominated boreal mineral wetlands in Alberta. Researchers compared narrow alternating strip-cuts and patch clear-cuts against uncut forest controls to determine which method best mitigates the common challenges of excessive waterlogging and competitive grass ingress. The findings indicate that the strip-cut system provided a superior microclimate and higher seedling survival rates, particularly for white spruce planted on mounded microsites. This study concludes that prompt postharvest site preparation and the partial retention of the overstory are essential for successful, long-term conifer regeneration on these sensitive, wet sites.
  • Case Study

    West Kootenay Climate Adaptation in Action - Harrop-Procter Community Forest Project Casebook

    This casebook serves as a practical guide for the Harrop-Procter Community Co-operative to transition from theoretical climate science to site-specific forest management in British Columbia. The document is structured into three distinct phases: a ri...
    This casebook serves as a practical guide for the Harrop-Procter Community Co-operative to transition from theoretical climate science to site-specific forest management in British Columbia. The document is structured into three distinct phases: a risk assessment identifying threats like drought and wildfire, an operations strategy detailing adaptive tactics, and a timber supply analysis to determine sustainable harvest rates under changing conditions. By moving from generalities to specifics, the project aims to protect local priorities such as domestic water, biodiversity, and community safety through diverse silvicultural approaches. This document functions as a pilot study for other community forests, providing a framework to operationalize ecosystem resilience in the face of escalating environmental shifts.
  • Extension Note

    Partial Cutting Options in Hemlock-Dominated Stands in Southeastern British Columbia the Selkirk College Woodlot Experience

    This document details Selkirk College's experimental shift from traditional clearcutting to variable retention silvicultural systems in their hemlock-dominated demonstration forest. The primary purpose of these experiments was to explore alternative ...
    This document details Selkirk College's experimental shift from traditional clearcutting to variable retention silvicultural systems in their hemlock-dominated demonstration forest. The primary purpose of these experiments was to explore alternative harvesting methods that could maintain water quality, enhance biodiversity and habitat structures, produce quality timber, and provide educational opportunities for students. The document highlights Selkirk College's experiences with various approaches including natural shelterwood with overstory retention, group selection, and a mix of group and dispersed retention to assess their effectiveness in minimizing environmental impacts such as windthrow, and achieving diverse management objectives. A key theme emphasized is the critical role of clear communication between the woodlot manager and harvesting crews for successful implementation of these complex variable retention strategies.
  • Extension Note

    Using Partial Cutting Timber Harvesting in Methods in a Sensitive Watershed in Southeastern British Columbia

    This extension note details a case study on partial cutting timber harvesting methods within a sensitive watershed in southeastern British Columbia. The study evaluates a multi-resource objective approach to logging, aiming to balance timber producti...
    This extension note details a case study on partial cutting timber harvesting methods within a sensitive watershed in southeastern British Columbia. The study evaluates a multi-resource objective approach to logging, aiming to balance timber production with the conservation of water quality, wildlife habitats, and visual landscapes. It highlights the company's shift from conventional clear-cutting to silvicultural systems that maintain forest health and biodiversity, while also addressing the economic and environmental concerns of the region. The report assesses the effectiveness and challenges of these partial cutting methods in achieving sustainable forest management within a sensitive ecological area.
  • 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.
  • Peer-Reviewed Literature

    Bringing Adaptation to Ground in British Columbia

    This document examines the impacts of a changing climate on British Columbia's diverse natural ecosystems and proposes conservation-oriented adaptation actions. It highlights the regional variations in anticipated temperature and precipitation change...
    This document examines the impacts of a changing climate on British Columbia's diverse natural ecosystems and proposes conservation-oriented adaptation actions. It highlights the regional variations in anticipated temperature and precipitation changes across the province and emphasizes the need to consider these specific ecological contexts when developing management strategies. Drawing upon a review of existing literature and initiatives like the Future Forests Ecosystem Initiative, the authors present examples of actions categorized under frameworks such as the 5Rs to help natural resource practitioners support the resilience and adaptation of species and ecosystems to future climate conditions. The document advocates for a proactive approach to natural resource management that integrates climate change considerations to ensure the long-term persistence of British Columbia's natural heritage.
  • Extension Note

    Crowded and Thirsty Fire Exclusion Leads to Greater Drought Sensitivity in Mixed-Conifer Forests

    This paper investigates the impact of long-term fire suppression on the drought sensitivity of mixed-conifer forests in the Western United States. The study utilizes tree-ring analysis of stable carbon isotopes to demonstrate that the exclusion of fr...
    This paper investigates the impact of long-term fire suppression on the drought sensitivity of mixed-conifer forests in the Western United States. The study utilizes tree-ring analysis of stable carbon isotopes to demonstrate that the exclusion of frequent, low-severity wildfires has led to overcrowded forest stands. This increased density results in heightened competition for water and nutrients among trees, making them more susceptible to drought stress, insect outbreaks, and disease compared to historically open forests maintained by fire. The findings emphasize the importance of reintroducing fire and managing stand density for forest restoration and increasing resilience to future climate conditions.
  • Extension Note

    FREP Riparian Management for Post-fire Salvage Logging Best Management Practices

    This FREP Extension Note #44 focuses on best management practices for riparian areas following salvage logging after wildfires, aiming to minimize negative impacts on aquatic habitats. It acknowledges that while current regulations permit harvesting ...
    This FREP Extension Note #44 focuses on best management practices for riparian areas following salvage logging after wildfires, aiming to minimize negative impacts on aquatic habitats. It acknowledges that while current regulations permit harvesting fire-damaged timber in riparian zones, this can harm both water and land ecosystems by increasing erosion and reducing crucial large woody debris. The document proposes specific guidelines for managing these sensitive areas based on factors like burn severity and the connection of slopes to streams, striving to balance timber recovery with the protection of vital ecological functions and downstream resources.
  • Technical Report

    Effects of Forest Management on Water Resources in Canada - A Research Review

    This document synthesizes findings from over 25 Canadian research watersheds to examine the highly variable impacts of forest management on water resources. It emphasizes that factors like topography, subsurface geology, climate, and forest type sign...
    This document synthesizes findings from over 25 Canadian research watersheds to examine the highly variable impacts of forest management on water resources. It emphasizes that factors like topography, subsurface geology, climate, and forest type significantly influence these effects, making direct knowledge transfer between regions challenging. The document highlights the importance of conservation measures like riparian buffers, which, while generally effective, require tailoring to local conditions. It emphasizes the need for future research to identify critical processes that mediate forestry's effects on water, integrating both large-scale watershed-level studies and detailed stand-level investigations to improve the transferability of findings for sustainable forestry practices.
  • Guidance Document

    Clayoquot Sound Scientific Panel Recommendations - Sustainable Ecosystem Management in Clayoquot Sound

    This document offers a detailed summary of monitoring strategies and indicators to achieve sustainable ecosystem management in the Clayoquot Sound region. The document covers key areas like watershed and coastal integrity, different levels of biologi...
    This document offers a detailed summary of monitoring strategies and indicators to achieve sustainable ecosystem management in the Clayoquot Sound region. The document covers key areas like watershed and coastal integrity, different levels of biological diversity (including genetic, terrestrial, and aquatic), and human activities and values such as those important to First Nations, tourism, and regional production. These recommendations stress the need for adaptive management through long-term monitoring programs, suggesting specific monitoring levels from site-specific up to large areas, with defined time frames and objectives to ensure the health and integrity of Clayoquot Sound's natural and cultural resources.
  • Extension Note

    Considerations for Rehabilitating Naturally Disturbed Stands Part 2 Stand Level Treatments and Hydrological Equivalent Clearcut Area

    This extension note focuses on the hydrological equivalent clearcut area as a tool for managing forests in British Columbia that have been affected by natural disturbances like mountain pine beetle infestations. It explores how different stand-level...
    This extension note focuses on the hydrological equivalent clearcut area as a tool for managing forests in British Columbia that have been affected by natural disturbances like mountain pine beetle infestations. It explores how different stand-level treatments, such as salvaging timber and replanting, can influence ECA over time compared to leaving stands unsalvaged. The author examines the contributions of various stand components-including surviving trees, dead snags, and regeneration-to ECA and compares the cumulative hydrological effects of different management strategies using ECA years. The document provides a decision framework to help forest managers consider hydrological values, especially when detailed assessments aren't possible, while also acknowledging other important ecological and economic factors in rehabilitation decisions.
  • Extension Note

    Considerations for Rehabilitation of Naturally Disturbed Forests (MPB) Part 1 Watershed Hydrology

    This extension note serves as a guide for practitioners involved in reforestation efforts following large-scale natural disturbances, particularly those caused by the mountain pine beetle in British Columbia's interior. The document emphasizes the im...
    This extension note serves as a guide for practitioners involved in reforestation efforts following large-scale natural disturbances, particularly those caused by the mountain pine beetle in British Columbia's interior. The document emphasizes the importance of considering watershed hydrology when planning these rehabilitation activities, highlighting potential negative impacts on water resources such as increased runoff, stream sedimentation, and reduced riparian function. It advocates for a cautious approach that includes clear objectives, risk analysis, and coordination with stakeholders to minimize these negative effects and ensure the long-term health of both timber and water-related values.
  • Peer-Reviewed Literature

    An Overview of the Effects of Forest Management on Groundwater Hydrology

    This paper presents an overview of how forest management practices can influence groundwater systems in British Columbia. The paper establishes the importance of groundwater within watersheds and for human use, highlighting the limited understanding ...
    This paper presents an overview of how forest management practices can influence groundwater systems in British Columbia. The paper establishes the importance of groundwater within watersheds and for human use, highlighting the limited understanding of its interaction with forestry. To address this gap, the paper classifies British Columbia into distinct hydrogeologic landscapes, based on climate, geology, and physiography, to provide a regional framework for analysis. The core of the discussion then reviews existing literature on the effects of forest harvesting and road building on groundwater hydrology, such as changes in water table levels and recharge rates, within the context of these landscapes, ultimately aiming to raise awareness and inform sustainable forest management practices to protect this vital resource.
  • Presentation Slides

    Drought in a Changing BC Climate

    This presentation outlines the critical issue of ecological drought in British Columbia, distinguishing it from lack of precipitation by emphasizing the role of water deficit relative to average conditions and evapotranspiration. The core concern hig...
    This presentation outlines the critical issue of ecological drought in British Columbia, distinguishing it from lack of precipitation by emphasizing the role of water deficit relative to average conditions and evapotranspiration. The core concern highlighted is how increasing temperatures due to climate change will intensify drought frequency and severity, despite potential precipitation increases, by reducing snowpacks and increasing water loss from the environment. The presentation explores recent drought occurrences, linking them to climate change and natural climate variability, and introduces a Forest Drought Risk Assessment Tool designed to evaluate and predict drought impacts on forests. The purpose of this presentation is to emphasize the urgent need to integrate climate change considerations into forestry practices to mitigate future ecological impacts.
  • Peer-Reviewed Literature

    Disparate Groundwater Responses to Wildfire

    This paper synthesizes the disparate groundwater responses to wildfire, noting that post-fire effects range from significant increases to decreases in water fluxes like recharge and baseflow. The authors evaluate this variability across five primary ...
    This paper synthesizes the disparate groundwater responses to wildfire, noting that post-fire effects range from significant increases to decreases in water fluxes like recharge and baseflow. The authors evaluate this variability across five primary categories: climate, vegetation, hydrogeology, fire characteristics, and the cryosphere, focusing on both short-term and intermediate recovery periods. A critical finding is that post-wildfire responses often align with hydroclimatic settings where water input and evaporative demand are out of sync, while the pre-wildfire groundwater regime significantly influences the expected outcome and recovery trajectory. This paper provides a collection of testable hypotheses and identifies key areas, particularly the influence of snow dynamics and cryospheric processes, for future monitoring and modeling efforts to improve the prediction of groundwater recovery after fires.
You can also access this registry using the API (see API Docs).