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The populations of many forest birds have declined in recent decades due to loss of habitat area and degradation of habitat quality. Past land management has left the landscape of the heavily forested Appalachian Mountains with too little old growth as well as too few young, regenerating forests. This change in habitat structure has led to the listing of several forest birds as Species of Greatest Conservation Need. Active management is needed to maintain habitat for these species, but climate change may alter the kinds of management that are effective. Climate change is likely to affect forest structure – and bird habitat suitability – because of shifts in temperature, precipitation, and disturbance. While current...
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Researchers assessed how an expansion of forest reserves and climate-adaptive management may improve ecological connectivity and resilience under different climate scenarios. Resilience is measured as the capacity for these systems to maintain extant forest communities and aboveground live biomass. Forest landscape change was simulated via a spatially explicit forest ecosystem model, LANDIS-II. Simulations covered areas in northern Minnesota and northern lower Michigan that represent northern Great Lakes forest types. Restoring and maintaining ecological connectivity is one of the primary climate change adaptation strategies available to land managers, in addition to silvicultural practices. This study is...
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Climatic warming has contributed to recent increases in severe wildfires across the Pacific Northwest (PNW). Following severe wildfire, a burned forest has an increased likelihood burning again within several decades, which can greatly alter vegetation recovery. These changes are of increasing concern to forest managers, conservationists, researchers, the public, and culture bearers. However, more information is needed to gauge how PNW forests respond to severe wildfire reburns under ongoing climate change. In this project, researchers and natural resource managers will jointly develop new applied science to anticipate and gauge the resilience of forests in the western Cascades of the PNW to climate change impacts....
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FY2011Aspen populations are in decline across western North America due to altered fire regimes, herbivory, drought, pathogens, and competition with conifers. Aspen stands typically support higher avian biodiversity than surrounding habitats, and maintaining current distributions of several avian species is likely tied to persistence of aspen on the landscape. We are examining effects of climate change on aspen and associated avian communities in isolated mountain ranges of the northern Great Basin, by coupling empirical models of avian-habitat relationships with spatially-explicit landscape simulations of vegetation and disturbance dynamics (using LANDIS-II) under various climate change scenarios. We are addressing...
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Aspen is an environmentally, economically, and socially important species in the western U.S. It is typically the most abundant deciduous tree species in mountainous landscapes of the western U.S., providing food and habitat for a variety of wildlife, including black bear, deer, elk, moose, and numerous bird species. Aspen woodlands also provide high quality forage for livestock and draw tourists to the region to view the golden vistas that form in the fall. However, aspen is currently declining across large portions of the West and it’s estimated that approximately 40% of western aspen will be without suitable climate conditions within 50 years. In the northern and central Rocky Mountains, it’s thought that reduced...
    map background search result map search result map Scenarios for forest reserve expansion and adaptive management under alternative climate change scenarios in the northern Great Lakes Projecting the Effects of Climate Change on Aspen in the Central and Northern Rocky Mountains Quantifying vulnerability of quaking aspen woodlands and associate bird communities to global climate change in the northern Great Basin Informing Climate-Adaptive Forest Management for Breeding Bird Habitat in the Southern Appalachians Post-fire Vegetation Transitions in Burned and Reburned Forests in the Western Cascades Informing Climate-Adaptive Forest Management for Breeding Bird Habitat in the Southern Appalachians Post-fire Vegetation Transitions in Burned and Reburned Forests in the Western Cascades Quantifying vulnerability of quaking aspen woodlands and associate bird communities to global climate change in the northern Great Basin Projecting the Effects of Climate Change on Aspen in the Central and Northern Rocky Mountains Scenarios for forest reserve expansion and adaptive management under alternative climate change scenarios in the northern Great Lakes