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Publications

USGS research activities relevant to Alaska have yielded more than 9400 historical publications. This page features some of the most recent newsworthy research findings.

Filter Total Items: 3110

Brood habitat use of Rio Grande wild turkeys Brood habitat use of Rio Grande wild turkeys

Habitat use of 14 Rio Grande wild turkey (Meleagris gallopavo) broods was studied in riparian habitats in northeast Colorado in 1986-87. Of 191 locations, 78% were within the riparian zone, 11 % in agricultural uplands, and 11 % on the edge between these habitats. Use of habitats was dependent on time of day. Within the riparian zone, older broods used grazed areas more often than young...
Authors
Joel A. Schmutz, Clait E. Braun, William F. Andelt

Procedures and rationale for marking sea otters captured and treated during the T/V Exxon Valdez oil spill Procedures and rationale for marking sea otters captured and treated during the T/V Exxon Valdez oil spill

Four methods were used for marking sea otters (Enhydra lutris) captured and treated during the response to the T/V Exxon Valdez oil spill. Colored and numbered flipper tags were placed on each sea otter that was brought to the otter treatment centers. These tags allowed individual recognition and permitted the tracking of individuals through the treatment and holding processes. Recovery...
Authors
A.R. DeGange, T.D. Williams

Identification of a herpes-like virus in sea otters during rehabilitation after the T/V Exxon Valdez oil spill Identification of a herpes-like virus in sea otters during rehabilitation after the T/V Exxon Valdez oil spill

During implantation of radiotelemetry devices in sea otters (Enhydra lutris) at the Seward Otter Rehabilitation Center, surgical team members noted ulcers in the oral cavity of each of five animals examined. Oral lesions were identified in 25 of 27 otters examined at the center. Histological evaluation of the lesions revealed focal areas of mucosal epithelial necrosis with associated...
Authors
R.K. Harris, R.B. Moeller, T.P. Lipscomb, J.M. Pletcher, R.J. Haebler, P.A. Tuomi, C.R. McCormick, Anthony R. DeGange, Daniel M. Mulcahy, T.D. Williams

Evaluation of sea otter capture after the Exxon Valdez oil spill, Prince William Sound, Alaska Evaluation of sea otter capture after the Exxon Valdez oil spill, Prince William Sound, Alaska

After the T/V Exxon Valdez oil spill into Prince William Sound, the U.S. Fish and Wildlife Service and Exxon Company, U.S.A., began rescuing sea otters (Enhydra lutris). The primary objective of this operation was to capture live, oiled sea otters for cleaning and rehabilitation. Between 30 March and 29 May 1989, 139 live sea otters were captured in the sound and transported to...
Authors
James L. Bodkin, F. Weltz

Distribution and relative abundance of sea otters in south-central and south-western Alaska before or at the time of the T/V Exxon Valdez oil spill Distribution and relative abundance of sea otters in south-central and south-western Alaska before or at the time of the T/V Exxon Valdez oil spill

Surveys of sea otters (Enhydra lutris) conducted before, immediately after, or at the time of the TA^ Exxon Valdez oil spill were used to guide otter capture efforts and assess the immediate effects of the spill. Shoreline counts (by boat) of sea otters in Prince William Sound in 1984 suggested that a minimum of 4,500 sea otters inhabited nearshore waters of Prince William Sound. Areas...
Authors
Anthony R. DeGange, Daniel H. Monson, David B. Irons, C.M. Robbins, David C. Douglas

Site 765: Sedimentology Site 765: Sedimentology

Various techniques were used to decipher the sedimentation history of Site 765, including Markov chain analysis of facies transitions, XRD analysis of clay and other minerals, and multivariate analysis of smear-slide data, in addition to the standard descriptive procedures employed by the shipboard sedimentologist. This chapter presents brief summaries of methodology and major findings...
Authors

Seasonal movements of adult female polar bears in the Bering and Chukchi seas Seasonal movements of adult female polar bears in the Bering and Chukchi seas

Ten adult female polar bears (Ursus maritimus) were fitted with satellite telemetry collars during March 1986 in the Kotzebue Sound area of the Chukchi Sea. During March-April 1987, 2 of these bears were refitted with satellite telemetry collars and an additional 10 adult females were collared in the northern Bering and eastern Chukchi seas. Data for 1,560 point locations recorded...
Authors
Gerald W. Garner, Steven T. Knick, David C. Douglas

Tracking wildlife by satellite: Current systems and performance Tracking wildlife by satellite: Current systems and performance

Since 1984, the U.S. Fish and Wildlife Service has used the Argos Data Collection and Location System (DCLS) and Tiros-N series satellites to monitor movements and activities of 10 species of large mammals in Alaska and the Rocky Mountain region. Reliability of the entire system was generally high. Data were received from instrumented caribou (Rangifer tarandus) during 91% of 318...
Authors
Richard B. Harris, Steven G. Fancy, David C. Douglas, Gerald W. Garner, Steven C. Amstrup, Thomas R. McCabe, Larry F. Pank

Individual variation in behavior and breeding success of Northern Fulmars Individual variation in behavior and breeding success of Northern Fulmars

In a sample of breeding Northern Fulmars (Fulmarus glacialis) observed in 4-5 years, up to 43% of the variability in 13 attributes of breeding behavior was consistent among individuals or pairs. Sample means for most attributes were correlated in a predictable way with annual levels of breeding success. Except for laying dates, there was little evidence that individual differences in...
Authors
Scott A. Hatch

The aggregative response of common murres and Atlantic puffins to schools of capelin The aggregative response of common murres and Atlantic puffins to schools of capelin

I studied the aggregative responses of Common Murres and Atlantic Puffins to schools of capelin during three summers (1982-1984) at Witless Bay, Newfoundland, by conducting hydroacoustic surveys for capelin in synchrony with seabird censuses. Murres and puffins foraged offshore prior to the arrival inshore of spawning schools of capelin. Both species were abundant during peak periods of...
Authors
John F. Piatt

Immediate impact of the 'Exxon Valdez' oil spill on marine birds Immediate impact of the 'Exxon Valdez' oil spill on marine birds

On 24 March 1989, the oil tanker 'Exxon Valdez' spilled 260,000 barrels of crude oil in Prince William Sound, Alaska. Oil eventually drifted over $30,000\ {\rm km}^{2}$ of coastal and offshore waters occupied by approximately one million marine birds. More than 30,000 dead birds of 90 species were retrieved from polluted areas by 1 August 1989. Of those identified, murres (74%), other...
Authors
John F. Piatt, Calvin J. Lensink, William Butler, Marshal Kendziorek, David R. Nysewander
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