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Shorebirds are among the most rapidly declining species in North America (Rosenberg et al. 2019), with many long-distance migrants experiencing the greatest declines (Environment Canada 2020). Nonetheless, not all shorebirds are declining and there may be differences among species and populations using different migratory routes. For instance, previous meta-analyses have suggested that shorebirds using the Mid-Continental Flyway are experiencing more rapid declines than those using the Pacific or Atlantic flyways (Thomas et al. 2006). At the same time, within a species, more northerly breeding populations are experiencing greater phenological mismatches and lower reproductive success than southerly ones (Kwon et...
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The Northwest Climate Adaptation Science Center (NW CASC) organizes an annual Deep Dive into an emerging climate risk. The NW CASC convenes researchers, practitioners and students to assess the state of knowledge and practice associated with managing that risk. Each Deep Dive aims to facilitate community development of an Actionable Science Agenda that outlines knowledge gaps and research needs and identifies opportunities to advance adaptation by linking science and practice. Deep Dive topics include managing western Washington wildfire risk in a changing climate, managing climate-driven post-fire vegetation transitions, and managing climate change effects on stream drying in the Northwest. To learn more about...
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Observing and counting bats is extremely difficult. Bats hide during the day, fly in darkness, and most species in the United States (US) become inactive and inaccessible in cryptic hibernation sites for 7-8 months each year. More than 40 different species of bats occur year-round in the US, yet reasonable population estimates exist for very few. Populations of US bats face new and unprecedented threats from white-nose syndrome (WNS) and industrial wind turbines. Like WNS, wind energy development might adversely affect entire populations of bats. Species of bats dying at wind turbines in the greatest numbers rank among the most cryptic, elusive, and poorly understood. Hoary bats (Lasiurus cinereus) compose approximately...
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Alaska has complex topography, with its extensive coastlines, dozens of islands, and mountain ranges that contain the tallest peaks in North America. Topography can have a strong influence on temperature and precipitation, therefore accurate representations of the terrain can improve the quality of simulations of past and future climate conditions. The spatial resolution of globally-available climate data is typically too coarse (~80 to 100 km) to adequately detect local landscape features, meaning these models aren’t useful for predicting future conditions in Alaska. In order for the state to adequately prepare for and adapt to changing conditions, high-resolution climate data is needed. One solution for acquiring...
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Waterbirds breeding at wetlands in North Dakota forage mostly on aquatic invertebrates. Historically, productivity and abundance of aquatic invertebrates primarily was driven by inter-annual hydrological dynamics (i.e., wet-dry cycles). Wetland drying allows for nutrient cycling and a subsequent pulse of productivity when wet conditions return. However, abundance and quality of wetlands in North Dakota has declined due to landscape modifications, primarily agriculture. Consolidation drainage, a practice of draining less permanent wetlands into larger more permanent ones, is common in North Dakota and it increases connectivity and stabilizes water levels among remaining wetlands. For the effective management and...
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Background information.—Historically, the Powell River supported abundant and diverse populations of freshwater mussels. In recent decades, mussel density and species richness have declined and many freshwater mussel species are listed as either State or Federally threatened or endangered species. Environmental degradation from coal mining has been identified as one of the drivers of this decline. An example is the 1996 Lone Mountain slurry spill that directly affected mussel populations, as well as their host fish species. Freshwater mussels feed by filtering small particles from water, thereby improving water quality and providing an essential ecosystem service in rivers and streams. Mussels also serve as a food...
Categories: Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Aquatic, Aquatic species propagation, Bank stabilization/erosion control, Broadleaf, Conservation easement, All tags...
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Description of Work USGS will conduct monthly samples of benthic invertebrates, zooplankton, and water quality as well as seasonal sampling of fish and fish diets. This project supports lower trophic sampling in Lake Erie and understanding food webs. An emphasis will be collecting samples from a nearshore to offshore design.
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The Muddy Creek watershed has been identified as having a high conservation value for Wyoming's fish species, big game crucial winter range and parturition areas, myriad neotropical migrant birds, abundant sage-grouse, and occupied habitat for the only population of Columbian sharp-tail grouse in Wyoming. Objectives of this project are to 1) Construct or maintain 4 vegetation exclosure projects, 2) Plant riparian vegetation, 3) improvement projects, monitoring of the area would be conducted to document the success of management efforts and identify areas where improvement is needed. Implementation of this project will benefit a diversity of fish and wildlife resources within an important ecosystem including...
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Convert fences in mule deer crucial winter range, in the Powder Rim allotment, where the design of fence (5-6 barbed) to improve big game passage and reduce stress, energy loss, injury, and mortality.
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Project Synopsis: BLM Kemmerer Field Office (KFO) proposes to construct riparian exclosures within the “Sage” sage-grouse core area as designated by the Wyoming Governor’s Executive Order (EO 2011-5). During late summer, fall and early winter of 2011 the BLM mapped and inventoried approximately 190 reservoirs and 50 springs/seeps in the Ruby Priority Project area. After compiling 2011 data, the BLM identified several springs/seeps as priorities for protection/enhancement. The springs/seeps are repeatedly grazed to the extent that hummocks are forming or have already formed. Once hummocks form or start to form, the immediate threat is a high soil compaction which could result in a lower water table, the spring/seep...
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Project involves analyzing datasets using two measures: Spatial similarity of the distributed precipitation and temperature fields of the study datasets Implications on hydrologic modeling We will then provide guidance on the choice of datasets for statistical downscaling of GCM outputs used in different types of scale-dependent planning assessments. We will evaluate these differences from a hydrological standpoint at specific Reclamation basins: Animas at Durango, Colorado; Snake at Heise, Idaho; Sacramento at Redding, California; Salt at Chrysotile, Arizona; Yellowstone River at Billings, Montana; and Colorado River at Lees Ferry Utah and Arizona. The analysis will indicate whether the choice of forcing a...
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This project is an ongoing cooperative project to restore 6,300 feet of Battle Creek and replace two irrigation structures which currently block seasonal fish migration. This joint project will improve native Colorado Cutthroat fish habitat, improve thermal and low flow habitat, and reduce bank erosion. Restoration will include narrowing the channel to accommodate for 590 cfs bankfull flows; excavating pools and installing fish-hook vane structures to improve low flow trout habitat; and re-establishing riparian vegetation to prevent further erosion. At a minimum, the project will include the following: installing 10 fish-hook vanes, excavating 12 pools, installing bank full benches to narrow the channel, installing...
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Description of Work Jeorse Park Beach is located in East Chicago, Indiana, within the Grand Calumet River Area of Concern (AOC), which has been identified as having all 14 beneficial use designations impaired, including beach closings. Jeorse Park Beach has been identified as one of the most highly contaminated beaches in the nation, with annual beach closings due to bacterial contamination as high as 76% in 2010. Further, beach closings have steadily increased each year since beach monitoring was initiated in 2005 in response to the Beaches Environmental and Coastal Health (BEACH) Act. Beach closings represent an environmental, social, and economic burden, the alleviation of which require various remediation strategies...
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Wildfires are a natural occurrence in interior Alaska’s boreal forest. There is extreme variability in the severity of the wildfire season in this region. A single year in which more than one million acres of forest burns can be followed by several years of low to moderate fire activity. In addition, fires in high latitude zones appear to be responding to changes in climate. Warmer temperatures rapidly cure understory fuels, such as fast-drying beds of mosses, lichens, and shrubs, which lie beneath highly flammable conifer trees. Managing such variability is challenging in light of both changing climate conditions and the fact that planning activities require sufficient advance warning. The goal of this project...
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Climate change is already affecting ecosystems, and will likely trigger significant and permanent changes in both ecological and human communities. Such transformations are already occurring in the Arctic region of Alaska, where temperatures are warming at twice the global average and causing some ecosystems to transition to new states. Arctic warming has led to coastal erosion that has forced human communities to relocate and a loss of sea ice that has forced marine mammals, such as polar bears and walrus, to adapt to a more terrestrial mode of living. Meanwhile, in the Great Plains of the U.S., past interactions between land and water use during the Dust Bowl and recent high rates of depletion of the Ogallala...
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A rapidly changing climate and expanding human footprint is driving increased rates of landscape change in the Pacific Northwest. This makes it challenging for managers to know if and to what extent recovery goals and conservation plans for at-risk species need to be modified to account for changing habitat conditions. Addressing this challenge requires accurate, up-to-date information about landscape change and how it affects the habitat and viability of at-risk species. In addition, managers need to be alerted when trends in habitat conditions approach key ecological thresholds, in order to determine if management goals and plans need to be modified in response to these changes. The goal of this project is to...
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Coral ecosystems of West Maui support a vibrant tourism industry and provide tangible economic benefits to the community. Hawaiian nearshore reefs generate about $800 million in annual revenue, not including the ecosystem services they provide - such as critical habitat for diverse fish species and buffering coasts from storm surges. The Hawaiian economy depends on healthy coral ecosystems, yet reefs are currently facing multiple threats, including changing climate conditions, local land-based pollution, and sediment erosion. Erosion of soils into nearshore coastal zones is a chief concern facing land managers in West Maui. Intermittent rainfall can carry sediment from sources such as dirt roads, agricultural fields,...
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In the Northwest U.S., warming temperatures and changing precipitation patterns will likely result in significantly altered snowpack, stream flows, and water availability. Along with these changes comes an increased risk of “ecological drought”, or periods of water stress that impact ecosystems and the services they provide –which can ultimately impact human communities. More frequent and severe ecological droughts have the potential to push ecosystems beyond their ability to recover, resulting in complete changes in ecosystem composition and function. Ecological drought will only worsen existing management challenges, such as competition for water resources, habitat degradation, invasive species, and more frequent...
map background search result map search result map UCRB Boundary Layer Baggs Area Fence Conversion Muddy Creek Enhancements (by Wyoming Youth Conservation Corps) Understanding How Different Versions of Distributed Historical Weather Data Affect Hydrologic Model Calibration and Climate Projections Downscaling - BOR Project, FY2011 Battle Creek Restoration Sage-grouse Core Area Riparian Exclosure Project Cooperative Science and Monitoring Initiative (CSMI) - LAKE ERIE Jeorse Park Beach Contamination Interaction of climate variability and landscape modification on trophic structure and amphipod populations in prairie wetlands: Implications for waterbird habitat conservation Understanding Sediment Transport to Coastal Waters and Coral Reefs in West Maui Lone Mountain NRDAR Fresh Water Mussel Restoration Extremes to Ex-Streams: Informing Ecological Drought Adaptation in the Northwest Projecting Future Wildfire Activity in Alaska’s Boreal Forest Developing High Resolution Climate Data for Alaska Development of Landscape Health Index (LHI) for Missouri Priority Geographies Genomic Determination of Hoary Bat Population History and Trend Adaptation Strategies in the Face of Climate-Driven Ecological Transformation: Case Studies from Arctic Alaska and the U.S. Great Plains An Alert System for Managing At-Risk Species in Cascadia under Climate Change NW CASC Deep Dives: Actionable Science Agendas for Emerging Climate Risks Alaska Department of Defense Shorebird Migration Project 2021-Present Battle Creek Restoration Baggs Area Fence Conversion Muddy Creek Enhancements (by Wyoming Youth Conservation Corps) Understanding Sediment Transport to Coastal Waters and Coral Reefs in West Maui Sage-grouse Core Area Riparian Exclosure Project Understanding How Different Versions of Distributed Historical Weather Data Affect Hydrologic Model Calibration and Climate Projections Downscaling - BOR Project, FY2011 Cooperative Science and Monitoring Initiative (CSMI) - LAKE ERIE Jeorse Park Beach Contamination Interaction of climate variability and landscape modification on trophic structure and amphipod populations in prairie wetlands: Implications for waterbird habitat conservation Lone Mountain NRDAR Fresh Water Mussel Restoration Development of Landscape Health Index (LHI) for Missouri Priority Geographies UCRB Boundary Layer NW CASC Deep Dives: Actionable Science Agendas for Emerging Climate Risks Extremes to Ex-Streams: Informing Ecological Drought Adaptation in the Northwest Projecting Future Wildfire Activity in Alaska’s Boreal Forest An Alert System for Managing At-Risk Species in Cascadia under Climate Change Developing High Resolution Climate Data for Alaska Alaska Department of Defense Shorebird Migration Project 2021-Present Genomic Determination of Hoary Bat Population History and Trend Adaptation Strategies in the Face of Climate-Driven Ecological Transformation: Case Studies from Arctic Alaska and the U.S. Great Plains