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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...
Dramatic climate changes and expansion of new biomes characterize the late Pleistocene - early Holocene of eastern Beringia. Analysis of plant macrofossils and pollen from three different sites in the Yukon Flats, central Alaska, record the past vegetation during the late Pleistocene - early Holocene (ca. 11,500-6,900 14 C yrs BP) transition. The first paper deals with plant macrofossils associated with one of the earliest post glacial beaver dams (ca. 9,300 14 C yrs BP) found in central Alaska. Vegetation reconstruction suggests a warmer than modern climate during the early Holocene. The second paper examines eight paleosols and their associated plant macrofossils and pollen within eolian deposits at two sites...
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Shallow Bay is a 230 hectare wetland at the south end of Lake Laberge in the southern Yukon. It has been central to the original use of the area by the Ta’an Kwachan first nation. It is an important waterfowl staging area; a key fish spawning and rearing area, and is used by moose, beaver, bear, mustelids, muskrats and a host of bird species. We found 36 species of water birds using the area; banded waterfowl showed birds from all North American flyways except the Atlantic were using the area. Most use by water birds was for staging although at least 4 species were breeding. Over 100 species of songbirds were observed and at least 17 species were breeding. Wood frogs, and 9 species of fish were identified. 6 species...
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The Alaska Highway crosses numerous terrain units underlined by warm and ice-rich discontinuous permafrost highly susceptible to thermal degradation. For years, this infrastructure, which is essential to transportation in northwestern Canada and Alaska, has been showing signs of road damage induced by permafrost degradation. In 2008, Yukon Highways and Public Works, and its international collaborators, implemented a road experimental site near Beaver Creek (Yukon) to test mitigation techniques aiming to control permafrost degradation. Permafrost investigations were done accordingly to a geosystem approach based on the hypothesis that permafrost has a distinctive sensitivity to climate and terrain conditions at a...
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...
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This report presents the results of a harvest survey and ethnographic research project that investigated the subsistence uses of large land mammals and furbearers in Game Management Unit 25 in the Yukon Flats region of Interior Alaska. Large land mammal species harvested and used by Yukon Flats residents include moose Alces alces, caribou Rangifer tarandus, black bear Ursus americanus, and brown bear Ursus arctos. Furbearing species included in this study are marten Martes americana, lynx Lynx canadensis, and wolf Canis lupus. For the 2008–2009 study year a total of 284 of 467 households (approximately 61%) were surveyed in the 7 Yukon Flats communities of Beaver, Birch Creek, Chalkyitsik, Circle, Fort Yukon, Stevens...
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PURPOSE: The implementation of a revised comprehensive conservation plan for the Kenai National Wildlife Refuge of Alaska is proposed. The plan, which would perpetuate or replace the currently in force 1985 management plan, would guide management of the refuge for the next 15 years. The 1.32-mllion-acre refuge, which lies on the Kenai Peninsula along the Turnagain Arm and Cook Inlet, has been described as "Alaska in miniature" with reference to its cross-section of Alaskan habitats. Key issues identified during scoping include those related to large-scale habitat changes and the use of fire, management of existing facilities for public use while ensuring natural resource protection, enhancement of wildlife-dependent...
Populations of beaver and willow have not thrived in riparian environments that are heavily browsed by livestock or ungulates, such as elk. The interaction of beaver and elk herbivory may be an important mechanism underlying beaver and willow declines in this competitive environment. We conducted a field experiment that compared the standing crop of willow three years after simulated beaver cutting on paired plants with and without intense elk browsing (85% utilization rate). Simulated beaver cutting with intense elk browsing produced willow that was small (biomass and diameter) and short, with far fewer, but longer, shoots and a higher percentage of dead biomass. In contrast, simulated beaver cutting without elk...
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In recent years the management of the Copper River has provided an abundance of salmon but there are indications that certain wild stocks of sockeye and Chinook salmon may have declined from historical levels. In particular local people have indicated that climate change, beaver dams, and human use have altered salmon runs on certain tributary streams of the Copper River. Collecting traditional knowledge about past and present runs and correlating that data from the natural and social sciences (e.g. biology, geography, geology, anthropology, and archaeology) would extend our temporal knowledge of the Copper River salmon fishery and supplement and validate indices of abundance for Chinook and sockeye salmon. Eric...
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This project will provide a comprehensive synthesis of beaver recolonization science and techniques for successful reintroduction or population expansion through a thorough, in-depth, coordinated review of all North American beaver-related information, including identification of research gaps and data needs, and recommendations for project implementation. This information will be disseminated through a series of one-day workshops.
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Dramatic climate changes and expansion of new biomes characterize the late Pleistocene - early Holocene of eastern Beringia. Analysis of plant macrofossils and pollen from three different sites in the Yukon Flats, central Alaska, record the past vegetation during the late Pleistocene - early Holocene (ca. 11,500-6,900 14 C yrs BP) transition. The first paper deals with plant macrofossils associated with one of the earliest post glacial beaver dams (ca. 9,300 14 C yrs BP) found in central Alaska. Vegetation reconstruction suggests a warmer than modern climate during the early Holocene. The second paper examines eight paleosols and their associated plant macrofossils and pollen within eolian deposits at two sites...
2012 Yukon River Summer Salmon Fishery News Release #86 Summer Announcement #76, Subdistrict 5-D Subsistence Fishing Schedule Districts Affected: Upper Yukon Area The Eagle sonar cumulative passage estimate of approximately 31,000 Chinook salmon through August 8 is well below the historical average of 53,400 for this date. The preliminary projection at Eagle sonar for Chinook salmon passage is approximately 32,000 to 36,000. A passage of this size would be below the Interim Management Escapement Goal of 42,500 to 55,000 adopted by the joint US-Canada Yukon River Panel and would not provide for Canadian harvest share levels specified in the Treaty Agreement. Based on the preliminary projection for Chinook salmon...
Beaver (Castor canadensis) populations have declined or failed to recover in heavily browsed envi­ronments. I suggest that intense browsing by livestock or ungulates can disrupt beaver-willow (Salix spp.) mutu­alisms that likely evolved under relatively low herbivory in a more predator-rich environment, and that this inter­ action may explain beaver and willow declines. Field experiments in Rocky Mountain National Park, Colorado, USA, found the interaction of beaver and elk (Cervus elaphus) herbivory suppressed compensatory growth in wil­low. Intense elk browsing of simulated beaver-cut willow produced plants which were small and hedged with a high percentage of dead stems, whereas protected plants were large...
This thesis describes a community-based research project that was conducted in partnership with Tl'azt'en Nation and the co-managed John Prince Research Forest. The purpose of the research was to identify, develop, and verify Tl'azt'en environmental measures for five traditional use activities: talo ha 'hut 'en - fishing salmon (Oncorhynchus spp. ), huda ha 'hut'en - hunting moose (Alces alces ), tsa ha tsayilh sula - trapping beaver (Castor canadensis ), duje hoonayin - picking huckleberries ( Vaccinium membranaceum ), and yoo ba ningwus hunult'o - gathering soapberries (Shepherdia canadensis ) for medicinal use. Our participatory research approach was evaluated throughout the project; these results revealed how...
This thesis describes a community-based research project that was conducted in partnership with Tl'azt'en Nation and the co-managed John Prince Research Forest. The purpose of the research was to identify, develop, and verify Tl'azt'en environmental measures for five traditional use activities: talo ha 'hut 'en - fishing salmon (Oncorhynchus spp. ), huda ha 'hut'en - hunting moose (Alces alces ), tsa ha tsayilh sula - trapping beaver (Castor canadensis ), duje hoonayin - picking huckleberries ( Vaccinium membranaceum ), and yoo ba ningwus hunult'o - gathering soapberries (Shepherdia canadensis ) for medicinal use. Our participatory research approach was evaluated throughout the project; these results revealed how...
The Alaska Highway crosses numerous terrain units underlined by warm and ice-rich discontinuous permafrost highly susceptible to thermal degradation. For years, this infrastructure, which is essential to transportation in northwestern Canada and Alaska, has been showing signs of road damage induced by permafrost degradation. In 2008, Yukon Highways and Public Works, and its international collaborators, implemented a road experimental site near Beaver Creek (Yukon) to test mitigation techniques aiming to control permafrost degradation. Permafrost investigations were done accordingly to a geosystem approach based on the hypothesis that permafrost has a distinctive sensitivity to climate and terrain conditions at a...
map background search result map search result map The Beaver Restoration Guidebook Version 1.0 Subsistence Land Mammal Harvests and Uses, Yukon Flats, Alaska: 2008-2010 Harvest Report and Ethnographic Update Western toad, Bufo boreas, stewardship in the Yukon: Yukon biodiversity report Adult Salmon Runs and Streamflow Data at a Resistance Board Weir on Beaver Creek, Alaska, 1998-2000 Late Pleistocene - early Holocene plant macrofossils and pollen from the Yukon Flats, central Alaska REVISED COMPREHENSIVE CONSERVATION PLAN, KENAI NATIONAL WILDLIFE REFUGE, ALASKA. [Part 3 of 5] A geosystems approach to permafrost investigations for engineering applications, an example from a road stabilization experiment, Beaver Creek, Yukon, Canada THE SHALLOW BAY WETLAND AN ANALYSIS OF ITS NATURAL HISTORY AND A PLAN FOR PROTECTION Management of beaver for the benefit of fish in the upper Yukon River Basin Traditional Knowledge of Long Term Changes in Salmon Runs in the Copper River: Annual Report Influence of landslides on biophysical diversity; a perspective from British Columbia THE SHALLOW BAY WETLAND AN ANALYSIS OF ITS NATURAL HISTORY AND A PLAN FOR PROTECTION Adult Salmon Runs and Streamflow Data at a Resistance Board Weir on Beaver Creek, Alaska, 1998-2000 A geosystems approach to permafrost investigations for engineering applications, an example from a road stabilization experiment, Beaver Creek, Yukon, Canada REVISED COMPREHENSIVE CONSERVATION PLAN, KENAI NATIONAL WILDLIFE REFUGE, ALASKA. [Part 3 of 5] Late Pleistocene - early Holocene plant macrofossils and pollen from the Yukon Flats, central Alaska Subsistence Land Mammal Harvests and Uses, Yukon Flats, Alaska: 2008-2010 Harvest Report and Ethnographic Update Traditional Knowledge of Long Term Changes in Salmon Runs in the Copper River: Annual Report Management of beaver for the benefit of fish in the upper Yukon River Basin Western toad, Bufo boreas, stewardship in the Yukon: Yukon biodiversity report Influence of landslides on biophysical diversity; a perspective from British Columbia The Beaver Restoration Guidebook Version 1.0