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Graduate College Dissertations and Theses

Forest management

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Full-Text Articles in Forest Sciences

Short- And Long-Term Impacts Of Forest Management In Response To The Invasive Emerald Ash Borer In New England Forests, Hanusia Higgins Jan 2022

Short- And Long-Term Impacts Of Forest Management In Response To The Invasive Emerald Ash Borer In New England Forests, Hanusia Higgins

Graduate College Dissertations and Theses

As non-native forest pests disperse across the United States, the emerald ash borer, Agrilus planipennis (EAB), has emerged as one of the most costly and destructive invaders. In response to EAB, forest management practices, including pre-salvage logging, "phloem reduction" (large ash removal), and strategies to improve future ash regeneration, have been implemented to meet economic, ecological, cultural, and safety objectives. Although many studies have quantified the impacts of EAB on mortality of ash trees (Fraxinus spp.), less is known about the short- and long-term ecological impacts of forest management in response to this pest. In summer 2020, we measured forest …


The Impacts Of Asian Longhorned Beetle On Forests In Southern New England, Olivia Fay Box Jan 2021

The Impacts Of Asian Longhorned Beetle On Forests In Southern New England, Olivia Fay Box

Graduate College Dissertations and Theses

Over the past several decades, the United States has been experiencing an influx of nonnative pests due to increased globalization, and many of these pests have the potential to permanently alter the composition, structure, and function of forests. Asian longhorned beetle (ALB) is an invasive pest that came into Worcester county, MA in 2008, where the first instance of this species invading both urban and natural forested areas was documented. Within the quarantine area for this novel invasion, 30,000 trees were removed over the course of 10 years as part of management efforts focused on harvesting all host species, primarily …


Informing Adaptation Strategies For Northeastern Pitch Pine Barrens In The Context Of Mesophication And Southern Pine Beetle Impacts, Elizabeth-Ann Jamison Jan 2021

Informing Adaptation Strategies For Northeastern Pitch Pine Barrens In The Context Of Mesophication And Southern Pine Beetle Impacts, Elizabeth-Ann Jamison

Graduate College Dissertations and Theses

Forest pests, the most significant agent of disturbance in forested ecosystems of North America, are highly sensitive to climate change. Southern pine beetle (SPB) is a highly destructive pine forest pest that is expanding its historic range in the southeastern US to affect the globally rare northeastern pitch pine barrens as winter temperatures warm. By generating high levels of mortality in canopy pitch pine, SPB is accelerating the ongoing conversion of fire-dependent pine barrens to mesophilic forests. We aimed to support the adaptive management of pine barrens ecosystems in the context of these two threats by (1) assessing stand conditions …


Future Forest Composition Under A Changing Climate And Adaptive Forest Management In Southeastern Vermont, Usa, Matthias Taylor Nevins Jan 2019

Future Forest Composition Under A Changing Climate And Adaptive Forest Management In Southeastern Vermont, Usa, Matthias Taylor Nevins

Graduate College Dissertations and Theses

Global environmental change represents one of the greatest challenges facing forest resource managers today. The uncertainty and variability of potential future impacts related to shifting climatic and disturbance regimes on forest systems has led resource managers to seek out alternative management approaches to sustain the long-term delivery of forest ecosystem services. To this end, forest managers have begun incorporating adaptation strategies into resource planning and are increasingly utilizing the outcomes of forest landscape simulation and climate envelope models to guide decisions regarding potential strategies to employ. These tools can be used alongside traditional methods to assist managers in understanding the …