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2024 Summer Western Forester

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SOCIETY OF AMERICAN FORESTERS

Volume 69 Number 3

Oregon • Washington State • Alaska Societies

Western Forester July/August/September 2024

Trends in Forest Health Monitoring and Assessment Research: A Decade in Review By Damani Eubanks Forests cover over 30 percent of global land area and play an essential role in climate regulation and nutrient cycles. They also provide important ecosystem services, such as lumber, food, energy, and clean water. Resilience of global forest ecosystems and production of goods and services depends on responses of tree communities to various biotic and abiotic stressors. As a result, researchers, managers, landowners, and governments are increasingly interested in forest ecosystem responses to increased climate change and other human disturbances, along with methods for defining and quantifying forest health. Forest health assessment is an interdisciplinary field at the crossroads of ecology, conservation, forest pathology, land management, and public policy. Due to its complex nature, defining forest health has been challenging, with definitions differing among stakeholders. Older definitions were often contradictory, relying on utilitarian concepts focused on human needs, or purely ecological concepts focused on biotic and abiotic factors. Newer definitions try to include both perspectives to address multiple issues. For example, the Food and Agriculture Organization of the United Nations defines forest health as “The combined presence of abiotic and biotic stresses and how they affect tree growth and survival; the yield and quality of wood and non-wood forest products; wildlife habitat; and recreation, scenic or cultural value.” Other research groups and government agencies have adopted

IN THIS ISSUE

Forest Health Update Alaska Spruce Beetle and Western Blackheaded Budworm Updates

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Oregon’s Response to the Shiny Green Menace

8

Innovative Tool for Forest Health Approved by New Legislation

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PHOTO CREDIT: USDA FOREST SERVICE REGION 6 AND USDA FOREST SERVICE PHOTO BY VICTORIA SMITH-CAMPBELL

Assessing the health of a forest draws upon multiple disciplines that include forest pathology, remote sensing, ecology, and entomology.

definitions that combine utilitarian and ecological perspectives as well, but a lack of consensus on measures complicates comparing data and management outcomes across space and time. Despite these challenges, the importance of tracking and mitigating the effects of climate change and disturbance on forest ecosystems only increases. Collaboration between research, management and policy is needed to tackle these complex issues, and my passion for seeing this collaboration in action led to forest health becoming the focal point of my research. In Research Metrics for Assessing Forest Health: A Systematic Review (under review), I synthesized current knowledge and trends in forest health assessment, focusing on metrics, methodologies, and alignment with established biological and management concepts. The review included 204 papers published globally between 2012-2022. The goals of analyzing forest health assessment methods include informing management and policy decisions, improving responses to health declines, and identifying uses for new technology. The end goal of this paper is to provide an interdisciplinary framework for forest


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