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Displaying entries 1 - 20 of 73 in total

Reconstructing fire regimes in tundra ecosystems to inform a management-oriented ecosystem model

National Park Service (NPS) - We reconstructed fire history in one of the most flammable tundra ecosystems in Alaska, the Noatak River watershed, and interpreted records in the context of local vegetation change and regional climate. We also developed models linking monthly weather conditions to annual area burned in Alaskan tundra from 1950-2008. Both objectives served the additional goal of improving the Boreal ALFRESCO...
Local
2010-04-01
2018-08-09 15:06:30 -0800
10 20 02 506 nps logo
Data Full Record

Investigation of Heavy Metals in a Large Mortality Event in Caribou

North Slope Borough (NSB) - Measured heavy metal (As, Cd, Pb, Zn, Fe) concentrations and body condition from a caribou mortality event in the Point Hope and Cape Thompson areas 1995. Compared to caribou from Barrow, Teshekpuk, and Red Dog Mine. O'Hara, T.M., J.C. George, J. Blake, K. Burek, G. Carroll, J. Dau, L. Bennett, C.P. McCoy, P. Gerard, V. Woshner. 2003. Investigation of Heavy Metals in a Large Mortality Event...
Remote
2002-08-12
2018-08-09 15:06:30 -0800
15 29 53 659 logo northslope
Data Full Record

Coastal Ecosystems Scoping Workshop Summary

National Park Service (NPS) - The purpose of this workshop is to provide a forum for NPS resource managers and scientists to discuss ideas for building a statistically sound, ecologically based, management-relevant, and affordable monitoring program for the Arctic Network (ARCN) of parks. The information gleaned from this workshop will be used to form the basis for drafting a long-term monitoring plan for the Arctic...
Local
2004-12-02
2018-08-09 15:06:48 -0800
10 20 02 506 nps logo
Data Full Record

Long Term Ecological Monitoring in BP's North Slope Oil Fields - 2007 Annual Report

Ecological%20monitoring%202007 BP Exploration Alaska Inc. (BPXA) - Summary of ecological information to provide quick, basic understanding of trends over time and provide references to more detailed information for those interested. Chapters include: weather and climate; river hydrology; plant communities; active layer thickness and permafrost; tundra nesting birds; brant and snow geese; tundra swans; ravens; fox dens; polar bears; maternal polar bear...
Complete
2018-08-09 15:06:58 -0800
Report Full Record

North Slope Moose Populations 1985-2001

US Fish and Wildlife Service (USFWS) - During the early 1900's moose were rare on the Alaskan north slope (that portion of Alaska that is north of the Brooks Range mountains). Moose gradually increased and peaked in the late 1980's. In 1985 biologists of the Arctic Refuge began to monitor north slope moose by conducting aerial counts during late fall when there is good snow cover, making moose easier to spot. The report represents...
Remote
1985-01-01
2001-01-01
2018-08-09 15:02:58 -0800
09 43 17 665 fws 300x300
Report Full Record

Serum thyroid hormone concentrations and thyroid histomorphology as biomarkers in bowhead whales.

North Slope Borough (NSB) - Serum thyroid hormone (TH) concentrations have been used alone or with other measurements to assess health status or effects of toxicant exposure in marine mammals. Rosa, C., T.M. O’Hara, P. Hoekstra, K. Refsal J.E. Blake. 2007. Serum thyroid hormone concentrations and thyroid histomorphology as biomarkers in bowhead whales (Balaena mysticetus). Canadian Journal of Zoology 85: 609-618.
Remote
2007-01-01
2018-08-09 15:03:24 -0800
15 29 53 659 logo northslope
Report Full Record

Trace elements in tissues of phocid seals harvested in the Alaskan and Canadian Arctic - Influence of age and feeding ecology

Institute of Arctic Biology UAF (IAB) - Selected trace elements (Ag, Cu, Cd, Se, An, THg, and MeHg) were measured in subsistence harvested seals. Ringed, bearded and spotted seals were obtained from Alaska along with spotted seals from Canada. Dehn L-A, Sheffield GG, Follmann EH, Duffy LK, Thomas DL, Bratton GR,Taylor RJ, O'Hara TM. 2005. Trace elements in tissues of phocid seals harvested in the Alaskan and Canadian Arctic –...
Remote
2005-07-13
2018-08-09 15:03:24 -0800
Data Full Record

Long-term Monitoring of Vegetation Change Following Tundra Fires in Noatak National Preserve, Alaska

National Park Service (NPS) - Fire is an important driver of change at the local and landscape levels in the tundra ecosystems of Noatak National Preserve. In July 2005, with support from the National Park Service Arctic Network Inventory and Monitoring program, we relocated and remeasured fire plots established in 1981–82 at eight sites in Noatak National Preserve to evaluate the long-term (25 to 30 years) effects of...
Remote
2006-12-01
2018-08-09 15:03:25 -0800
10 20 02 506 nps logo
Data Full Record

Persistent organic pollutants in Alaskan ringed seal (Phoca hispida) and walrus (Odobenus rosmarus) blubber

National Institute of Standards and Technology (NIST) - Since 1987, the Alaska Marine Mammal Tissue Archival Project (AMMTAP) has collected tissues from 18 marine mammal species. Specimens are archived in the National Institute of Standards and Technology’s National Biomonitoring Specimen Bank (NIST-NBSB). AMMTAP has collected blubber, liver and/or kidney specimens from a number of ringed seals (Phoca hispida) from the areas near Nome and Barrow,...
Remote
2006-01-01
2018-08-09 15:03:25 -0800
Data Full Record

Heavy metal and mineral concentrations and their relationship to histopathological findings in the bowhead whale (Balaena mysticetus)

Institute of Arctic Biology UAF (IAB) - This study evaluated the concentration of six essential and non-essential elements (Zn, Hg, Ag,Se, Cu, and Cd) in liver and kidney of 64 bowhead whales. Rosa, C., Blake, J.E., Bratton, G.R., Dehn, L-A., Gray, M.J., O’Hara,T.M. 2008. Heavy metal and mineral concentrations and their relationship to histopathological findings in the bowhead whale. Science of the Total Environment 399 (2008)...
Remote
2008-05-08
2018-08-09 15:04:50 -0800
Report Full Record

Long Term Ecological Monitoring in BP's North Slope Oil Fields - 2008 Annual Report

Ecological%20monitoring%202008 BP Exploration Alaska Inc. (BPXA) - Summary of ecological information to provide quick, basic understanding of trends over time and provide references to more detailed information for those interested. Chapters include: weather and climate; plant communities; active layer thickness and permafrost; tundra nesting birds; brant and snow geese; tundra swans; ravens; fox dens; polar bears; maternal polar bear dens; nearshore fish;...
Complete
2018-08-09 15:08:33 -0800
Report Full Record

Long Term Ecological Monitoring in BP's North Slope Oil Fields - 2006 Annual Report

Ecological%20monitoring%202006 BP Exploration Alaska Inc. (BPXA) - Summary of ecological information to provide quick, basic understanding of trends over time and provide references to more detailed information for those interested. Chapters include: weather and climate; plant communities; active layer thickness (permafrost); tundra nesting birds; brant and snow geese; tundra swans; ravens; fox dens; polar bears; nearshore fish; underwater sounds...
Complete
2007-09-01
2018-08-09 15:08:35 -0800
Report Full Record

Ecological Land Survey for the Central Kuparuk Study Area - 2006

ConocoPhillips (CPAI) - The objectives of this ecological land survey were to: 1)Conduct field survey of ecosystem components including geomorphology (surface geology), topography, soils, hydrology and vegetation (land cover) within the study area 2)Evaluate the relationships among ecosystem components 3)Classify and map ecological components through an integrated terrain unit approach 4)Aggregate...
Complete
2007-10-01
2018-11-15 16:41:54 -0900
Cpialogo 13 41 17 434 abr logo
Report Full Record

Marine Mammal Stock Assessment Reports

National Oceanic and Atmospheric Administration (NOAA) - NMFS prepares marine mammal stock assessment reports (SARs) as part of MMPA section 117 requirements for cetaceans (whales, dolphins and porpoises) and pinnipeds (seals and sea lions) . The reports are prepared in consultation with one or more of three regional Scientific Review Groups (SRGs) and are also available for public review and comment. The U.S. Fish and Wildlife Service (FWS) also...
Complete
2018-08-09 15:10:25 -0800
Noaa nmfslogo 15 28 23 93 logo noaa
Report Full Record

Tracking Polar Bears by Satellite

Polar%20bears US Geological Survey (USGS) - Overlay of collared bear locations in map product.
Complete
2009-01-01
2010-06-01
2018-08-09 15:06:17 -0800
15 29 14 173 logo usgs
Data Full Record

Slow Recovery of Lichen on Burned Caribou Winter Range in Alaska Tundra: Potential Influences of Climate Warming and Other Disturbance Factors

US Bureau of Land Management (BLM) - Lichen regeneration timelines are needed to establish sound fire management guidelines for caribou (Rangifer tarandus) winter range. Paired burned and unburned permanent vegetative cover transects were established after 1981, 1977, and 1972 tundra fires in northwestern Alaska to document regrowth of tundra vegetation including caribou forage lichens in the wintering range of Alaska's largest...
Complete
2007-03-01
2018-08-09 15:06:29 -0800
15 23 58 697 logo blm
Report Full Record

Trophic transfer of persistent organochlorine contaminants (OCs) within an Arctic marine food web from the southern Beaufort–Chukchi Seas

University of Guelph (GUELPH) - Stable isotope values and concentrations of persistent organochlorine contaminants (OCs) were determined to evaluate the near-shore marine trophic status of biota and biomagnification of OCs from the southern Beaufort–Chukchi Seas (1999–2000) near Barrow, AK. The biota examined included zooplankton (Calanus spp.), fish species such as arctic cod (Boreogadus saida), arctic char (Salvelinus...
Remote
2003-03-06
2018-08-09 15:06:30 -0800
Report Full Record

First International Polar Year (IPY)-1882-1883 Meteorological Data

World Data Center for Marine Environmental Sciences (WDC MARE) - The first International Polar Year (IPY) was an international effort to perform continous meteorological and geophysical observations over a time period of two years (1882-1883). Data from the printed publications that were produced under these efforts were presented in digital format at the NOAA Arctic Research Office by Kevin R. Wood and James E. Overland (National Oceanic and Atmospheric...
Local
1882-01-01
2010-01-01
2018-08-09 15:06:30 -0800
Data Full Record

BPXA Rehabilitation Sites - 2006 and 2008 Summaries

BP Exploration Alaska Inc. (BPXA) - BP Exploration Alaska Inc. Environmental Studies Group (BPXA-ESG) rehabilitation plans and monitoring reports are provided for site rehabilitation/revegetation projects. Rehabilitation reports are separately available within NSSI Catalog for abandoned airports, abandoned pads, spill sites, trenching, and other sites. Summary reports for all rehabilitation sites for 2006 and 2008 can also be...
Local
2010-09-01
2018-08-09 15:06:58 -0800
Report Full Record

Long Term Ecological Monitoring in BP's North Slope Oil Fields - 2005 Annual Report

Ecological%20monitoring%202005 BP Exploration Alaska Inc. (BPXA) - Summary of ecological information to provide quick, basic understanding of trends over time and provide references to more detailed information for those interested. Chapters include: weather; plant communities; active layer thickness (permafrost); tundra nesting birds; brant and snow geese; tundra swans; gulls and ravens; fox dens; polar bears; underwater sounds (acoustics) near Northstar;...
Complete
2005-01-01
2018-08-09 15:08:32 -0800
Report Full Record