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Yukon River Chinook salmon Oncorhynchus tshawytscha are described as having "stream-type" life histories. After emergence from river gravel, juvenile Chinook salmon feed and grow in tributary streams of the Yukon River throughout their first summer, overwinter in freshwater, and usually leave rearing areas for marine waters during the second spring/summer. Previous life history and distribution studies have shown that some age-0 Chinook salmon leave their natal streams and colonize downriver, nonnatal habitats for rearing and overwintering. A pilot study in 2006–2007 documented rearing of Canadian-origin Chinook salmon in downstream U.S. waters. A comprehensive three-year distribution study was funded by the Alaska...
Guide to assist refuge staff in meeting legal requirements to protect and manages the cultural resources of the refuge.
Categories: Publication;
Types: Citation;
Tags: A1-US Refuges,
A1: Best mangement practices,
Kenai National Wildlife Refuge,
landscape scale conservtion
Kanuti National Wildlife Refuge was established to conserve white-fronted geese, other waterfowl and migratory birds, moose, caribou, and furbearers; to fulfill treaty obligations; to provide for continued subsistence uses; and to ensure necessary water quality and quantity. Because the refuge is seldom visited by anyone other than subsistence users from the immediate area, those who do venture into Kanuti's backcountry will find unspoiled and virtually unused wildlands to rival those anywhere else in the world. These lands support a wide variety of wildlife. In addition to the large mammals mentioned above, wolverine, fox, porcupine, lynx, beavers, muskrats, marten and mink can be seen, as well as nearly 130 species...
Categories: Publication;
Types: Citation;
Tags: Baseline 1-High Resolution Landcover Imaging,
Baseline 5-Data,
Beaver,
Species of Concern: Mammals
PURPOSE: The exchange of lands between the U.S. Fish and Wildlife Service (FWS) and Doyon, Limited is proposed to enhance the Yukon Flats National Wildlife Refuge of Alaska. Doyon is the largest private landowner in the refuge and an Alaska Native regional corporation that has been interested in acquiring federal oil and gas interests since the refuge was established in 1980. Under the terms of an agreement in principle between the FWS and Doyon, the U.S. government would receive fee title to lease 150,000 acres of Doyon lands, including both surface and subsurface rights, with priority fish and wildlife habitats that can be incorporated into the refuge. Doyon would receive fee title to 110,000 acres of refuge lands,...
As electricity demand increases, policymakers must make decisions about which energy resources will meet future demands. Much of the recent literature has focused on the contribution of new coal power plants to carbon emissions (Milford et al., 2005; Milford et al., 2007; MIT 2007). However, policymakers and industry are increasingly interested in job creation and economic development analyses to understand the full impacts of new electricity generation projects.1 Additionally, economic development impacts are often a critical piece in building public support for wind power projects. The purpose of this research is to look at the specific factors that drive wind-power-related economic development and to better understand...
The U.S. Fish and Wildlife Service has been conducting a juvenile salmonid monitoring project in Clear Creek, Shasta County, California, using a rotary screw trap (RST) since December 1998. This ongoing monitoring project has three primary objectives: 1) to determine an annual juvenile passage index (JPI) for Chinook salmon (Oncorhynchus tshawytscha) and rainbow trout/steelhead (O. mykiss), for inter-year comparisons; 2) obtain juvenile salmonid life history information including size, condition, emergence, and emigration timing, and potential factors limiting survival at various life stages; and 3) collect tissue samples from adult and juvenile salmonids for genetic and otolith analyses. The current report presents...
Categories: Publication;
Types: Citation
Kanuti National Wildlife Refuge was established to conserve white-fronted geese, other waterfowl and migratory birds, moose, caribou, and furbearers; to fulfill treaty obligations; to provide for continued subsistence uses; and to ensure necessary water quality and quantity. Because the refuge is seldom visited by anyone other than subsistence users from the immediate area, those who do venture into Kanuti's backcountry will find unspoiled and virtually unused wildlands to rival those anywhere else in the world. These lands support a wide variety of wildlife. In addition to the large mammals mentioned above, wolverine, fox, porcupine, lynx, beavers, muskrats, marten and mink can be seen, as well as nearly 130 species...
The Yukon–Kuskokwim Delta of Alaska,USAis a globally important region for numerous avianspecies including millions of migrating and nesting waterbirds.However, data on the current spatial distributionof critical nesting areas and the importance of environmental variables in the selection of nest locations aregenerally lacking for waterbirds in this region.We modeled nest densities for 6 species of geese and eiders thatcommonly breed on the Yukon–Kuskokwim Delta, including cackling goose (Branta hutchinsii minima),emperor goose (Chen canagica), black brant (B. bernicla nigricans), greater white-fronted goose (Anser albifronsfrontalis), spectacled eider (Somateria fischeri), and common eider (S. mollissima).Thedata...
Categories: Data,
Publication;
Types: Citation,
Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: BIRDS,
BIRDS,
CLIMATE CHANGE IMPACT ASSESSMENT MODELS,
CLIMATE CHANGE IMPACT ASSESSMENT MODELS,
DELTAS,
In a remote corner of northwestern Alaska lies Selawik Refuge, a special place of extreme climate, free-flowing rivers, and abundant wildlife. Here where the boreal forest of Interior Alaska meets the arctic tundra, thousands of waterfowl, shorebirds, fish, insects and other creatures rest, breed and feed in the vast wetlands complex that is the heart of the Selawik Refuge. Here also is the homeland of the Iñupiat, where local people hunt, fish and gather as their ancestors have done for thousands of years. Over two million acres of land make up the refuge, which straddles the Arctic Circle and offers adventure and rejuvenation for visitors.
Sky Island Alliance (SIA) is a non-governmental organizational that works to protect and restore the rich natural heritage of native species and habitats in the Sky Island Region. We work with volunteers, scientists, land-owners, public officials, and government agencies to establish protected areas, restore healthy landscapes, and promote public appreciation of the region’s unique biological diversity. Because of our long-standing collaborative relationships with land managers and our large corps of skilled volunteers, we were in a unique position to spearhead this project.SIA initiated this springs inventory, assessment and management planning project to develop baseline information on springs in the Sky Island...
Categories: Data,
Publication;
Types: ArcGIS REST Map Service,
Citation,
Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: 2011,
AZ-02,
AZ-03,
Arizona,
Conservation NGOs,
This September, 2014 article in the Orange County Register highlights the project “Sea-level rise modeling across the California salt marsh gradient”.
Categories: Data,
Publication;
Types: Citation;
Tags: Completed,
LCC Network Science Catalog,
Publication,
environment
PURPOSE: The exchange of lands between the U.S. Fish and Wildlife Service (FWS) and Doyon, Limited is proposed to enhance the Yukon Flats National Wildlife Refuge of Alaska. Doyon is the largest private landowner in the refuge and an Alaska Native regional corporation that has been interested in acquiring federal oil and gas interests since the refuge was established in 1980. Under the terms of an agreement in principle between the FWS and Doyon, the U.S. government would receive fee title to lease 150,000 acres of Doyon lands, including both surface and subsurface rights, with priority fish and wildlife habitats that can be incorporated into the refuge. Doyon would receive fee title to 110,000 acres of refuge lands,...
PURPOSE: The exchange of lands between the U.S. Fish and Wildlife Service (FWS) and Doyon, Limited is proposed to enhance the Yukon Flats National Wildlife Refuge of Alaska. Doyon is the largest private landowner in the refuge and an Alaska Native regional corporation that has been interested in acquiring federal oil and gas interests since the refuge was established in 1980. Under the terms of an agreement in principle between the FWS and Doyon, the U.S. government would receive fee title to lease 150,000 acres of Doyon lands, including both surface and subsurface rights, with priority fish and wildlife habitats that can be incorporated into the refuge. Doyon would receive fee title to 110,000 acres of refuge lands,...
Categories: Publication;
Types: Citation;
Tags: A1-US Refuges,
P3b-Future Vulnerability to Land use Change,
R2a-Impact Climate Change Vegatation and Subsistence
Throughout the Arctic most pregnant polar bears (Ursus maritimus) construct maternity dens in seasonal snowdrifts that form in wind-shadowed areas. We developed and verified a spatial snowdrift polar bearden habitat model (SnowDens-3D) that predicts snowdrift locations and depths along Alaska’s Beaufort Sea coast. SnowDens-3D integrated snow physics, weather data, and a high-resolution digital elevation model (DEM) to produce predictions of the timing, distribution, and growth of snowdrifts suitable for polar bear dens. SnowDens-3D assimilated 18 winters (1995 through 2012) of observed daily meteorological data and a 2.5 m grid-increment DEM covering 337.5 km2 of the Beaufort Sea coast, and described the snowdrift...
PURPOSE: The exchange of lands between the U.S. Fish and Wildlife Service (FWS) and Doyon, Limited is proposed to enhance the Yukon Flats National Wildlife Refuge of Alaska. Doyon is the largest private landowner in the refuge and an Alaska Native regional corporation that has been interested in acquiring federal oil and gas interests since the refuge was established in 1980. Under the terms of an agreement in principle between the FWS and Doyon, the U.S. government would receive fee title to lease 150,000 acres of Doyon lands, including both surface and subsurface rights, with priority fish and wildlife habitats that can be incorporated into the refuge. Doyon would receive fee title to 110,000 acres of refuge lands,...
In a remote corner of northwestern Alaska lies Selawik Refuge, a special place of extreme climate, free-flowing rivers, and abundant wildlife. Here where the boreal forest of Interior Alaska meets the arctic tundra, thousands of waterfowl, shorebirds, fish, insects and other creatures rest, breed and feed in the vast wetlands complex that is the heart of the Selawik Refuge. Here also is the homeland of the Iñupiat, where local people hunt, fish and gather as their ancestors have done for thousands of years. Over two million acres of land make up the refuge, which straddles the Arctic Circle and offers adventure and rejuvenation for visitors.
In a remote corner of northwestern Alaska lies Selawik Refuge, a special place of extreme climate, free-flowing rivers, and abundant wildlife. Here where the boreal forest of Interior Alaska meets the arctic tundra, thousands of waterfowl, shorebirds, fish, insects and other creatures rest, breed and feed in the vast wetlands complex that is the heart of the Selawik Refuge. Here also is the homeland of the Iñupiat, where local people hunt, fish and gather as their ancestors have done for thousands of years. Over two million acres of land make up the refuge, which straddles the Arctic Circle and offers adventure and rejuvenation for visitors.
In the Pacific Northwest, coastal wetlands support a wealth of ecosystem services including habitat provision for wildlife and fisheries and flood protection. The tidal marshes, mudflats, and shallow bays of coastal estuaries link marine, freshwater, and terrestrial habitats, and provide economic and recreational benefits to local communities. Climate change effects such as sea-level rise are altering these habitats, but we know little about how these areas will change over the next 50–100 years. Our study examined the effects of sea-level rise on nine tidal marshes in Washington and Oregon between 2012 and 2015, with the goal of providing scientific data to support future coastal planning and conservation. We compiled...
Categories: Data,
Publication;
Types: Citation;
Tags: LCC Network Science Catalog,
Publication,
completed,
data.gov California LCC,
environment
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