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Publication from the NALCC co-funded project Identifying Important Migratory Landbird Stopover Sites in the Northeast. With many of the world’s migratory bird populations in alarming decline, broad‐scale assessments of responses to migratory hazards may prove crucial to successful conservation efforts. Most birds migrate at night through increasingly light‐polluted skies. Bright light sources can attract airborne migrants and lead to collisions with structures, but might also influence selection of migratory stopover habitat and thereby acquisition of food resources. We demonstrate, using multi‐year weather radar measurements of nocturnal migrants across the northeastern U.S., that autumnal migrant stopover density...
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The Rainwater Basin (RWB) wetland complex in south-central Nebraska provides crucial stopover habitat for over 7 million waterfowl and 500,000 shorebirds every spring. However, only 10% of the original RWB wetlands remain, resulting in less available habitat for wetland-dependent birds. Conservation efforts are being employed to alleviate the loss of RWB wetlands. To aid conservation efforts, we created a vegetation map of all historical RWB wetlands based on 2004 imagery. The shapefile maps the 2004 vegetation communities for all historic wetlands in the Rainwater Basin region of Nebraska, USA. Vegetation communities include cropped areas that rarely pond water, cropped areas that often pond water, bare soil...
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Concerns about wildland fuel levels and a growing wildland-urban interface (WUI) have pushed wildland fire risk mitigation strategies to the forefront of fire management activities. Mechanical (e.g., shearblading) and manual (e.g., thinning) fuel treatments have become the preferred strategy of many fire managers and agencies. This Joint Fire Science Program funded project seeks to document and quantify mechanical and manual fuel treatment effects on fire behavior. Alaska's Federal and State fire management agencies have identified this 'data gap' as their most important fire science research need and priority. The Nenana Ridge Ruffed Grouse Project Area is 6,000 acres of typical interior Alaska boreal forest located...
The spread and impacts of exotic species are unambiguous, global threats to many ecosystems. A prominent example is the suite of annual grasses in the Bromus genus (Bromus hereafter) that originate from Europe and Eurasia but have invaded or are invading large areas of the Western USA. This book brings a diverse, multidisciplinary group of authors together to synthesize current knowledge, research needs, and management implications for Bromus. Exotic plant invasions are multifaceted problems, and understanding and managing them requires the biological, ecological, sociological, and economic perspectives that are integrated in this book. Knowing how well information from one geographic or environmental setting can...
Around the globe, fish and wildlife managers are facing increasingly complex management issues because of multiscale ecological effects like climate change, species invasion, and land-use change. Managers seeking to prevent extinctions or preserve ecosystems are increasingly considering more interventionist techniques to overcome the resulting changes. Among those techniques, translocation methods that intentionally move species into new, less impacted habitats are being considered. These types of translocations are known by a range of terms, including “managed relocation” and “assisted migration,” but the International Union for the Conservation of Nature’s Species Survival Commission (IUCN SSC, 2013) has proposed...
Case Study: Integrated Scenarios and Outreach for Habitat Threat Assessments on California RangelandsWe developed six scenarios organized around our management question: How can we maintain viable ranchlands and their ecosystem services in light of future integrated threats? The scenarios represent alternative futures of climate/land use/hydrological change for the California Rangeland Conservation Coalition (Rangeland Coalition) focus area (the foothills around the Central Valley and most of the southern Inner Coast Range) based on (a) consistent storylines of the Intergovernmental Panel on Climate Change (IPCC) Special Report on Emission Scenarios (SRES)5 and (b) downscaled global climate models (GCMs) that represent...
Future expected changes in climate and human activity threaten many riparian habitats, particularly in the southwestern U.S. Using Maximum Entropy (MaxEnt3.3.3) modeling, we characterized habitat relationships and generated spatial predictions of habitat suitability for the Lucy’s warbler (Oreothlypis luciae), the Southwestern willow flycatcher (Empidonaxtraillii extimus) and the Western yellow-billed cuckoo (Coccyzus americanus). Our goal was to provide site- and species-specific information that can be used by managers to identify areas for habitat conservation and/or restoration along the Rio Grande in New Mexico. We created models of suitable habitat for each species based on collection and survey samples and...
map background search result map search result map Rainwater Basin Wetland Complex Vegetation Map 2004 Quaternary Geology of the Yukon Territory Moose population survey, western Yukon Flats: Game Management Unit 25D, Yukon Flats National Wildlife Refuge, October 26 to November 15, 2000 BAER Final Report; Invasive Plant Monitoring Following 2004 Fires. USFWS National Wildlife Refuges – Alaska Region. Prepared for the U.S. Fish and Wildlife Service- Alaska Regional Office BLM-BAER Final Report. Invasive Plant Species Monitoring and Control: Areas Impacted by 2004 and 2005 Fires in Interior Alaska. A survey of Alaska BLM lands along the Dalton, Steese, and Taylor Highways Quantifying the effects of fuels reduction treatments on fire behavior and post-fire vegetation dynamics - Final Report to the Joint Fire Science Program.  Exploratory Models of Intersite Variability in Mid to Late Holocene Central Alaska Integrated Analysis of Genetic, Stable Isotope, and Banding Data Reveal Migratory Connectivity and Flyways in the Northern Yellow Warbler (Dendroica petechia; Aestiva group) Herbivores - Forest grouse and ptarmigan Geometry of oriented lakes in Old Crow Flats, northern Yukon Potential natural and anthropogenic impediments to the conservation and recovery of Cook Inlet beluga whales, Delphinapterus leucas Wetland Reclamation for Placer Mining: Recommendations and Guidelines Background Document Predicting origins of passerines migrating through Canadian migration monitoring stations using stable-hydrogen isotope analyses of feathers: a new tool for bird conservation Monitoring Geohazards near Pipeline Corridors with an Advanced InSAR Technique and Geomechanical Modelling Climate change vulnerability assessment for the Chugach National Forest and the Kenai Peninsula Quantifying the effects of fuels reduction treatments on fire behavior and post-fire vegetation dynamics - Final Report to the Joint Fire Science Program.  Integrated Analysis of Genetic, Stable Isotope, and Banding Data Reveal Migratory Connectivity and Flyways in the Northern Yellow Warbler (Dendroica petechia; Aestiva group) Rainwater Basin Wetland Complex Vegetation Map 2004 Geometry of oriented lakes in Old Crow Flats, northern Yukon Herbivores - Forest grouse and ptarmigan Moose population survey, western Yukon Flats: Game Management Unit 25D, Yukon Flats National Wildlife Refuge, October 26 to November 15, 2000 Climate change vulnerability assessment for the Chugach National Forest and the Kenai Peninsula Potential natural and anthropogenic impediments to the conservation and recovery of Cook Inlet beluga whales, Delphinapterus leucas Monitoring Geohazards near Pipeline Corridors with an Advanced InSAR Technique and Geomechanical Modelling BLM-BAER Final Report. Invasive Plant Species Monitoring and Control: Areas Impacted by 2004 and 2005 Fires in Interior Alaska. A survey of Alaska BLM lands along the Dalton, Steese, and Taylor Highways Exploratory Models of Intersite Variability in Mid to Late Holocene Central Alaska BAER Final Report; Invasive Plant Monitoring Following 2004 Fires. USFWS National Wildlife Refuges – Alaska Region. Prepared for the U.S. Fish and Wildlife Service- Alaska Regional Office Wetland Reclamation for Placer Mining: Recommendations and Guidelines Background Document Quaternary Geology of the Yukon Territory Predicting origins of passerines migrating through Canadian migration monitoring stations using stable-hydrogen isotope analyses of feathers: a new tool for bird conservation