Unified Interior Regions

Region 11: Alaska

Alaska Science Center

Alaska Science Center

4210 University Drive
Anchorage, AK 99508
Phone: (907) 786-7000

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Volcano Science Center

Volcano Science Center

4230 University Drive
Anchorage, AK 99508
Phone: (907) 786-7497

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Climate Adaptation Science Center

Climate Adaptation Science Center

4230 University Drive
Anchorage, AK 99508
Phone: 907-301-7830

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

Search USGS publications for Alaska

Arctic Science for Decision Maker

2020 USGS Alaska Annual Science Report
Filter Total Items: 2,610
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Year Published: 1991

Vegetation patterns and environmental gradients in coastal meadows on the Yukon-Kuskokwim Delta, Alaska

Tundra vegetation and environmental variables were sampled on the Yukon–Kuskokwim delta in western Alaska. On transects extending from intertidal mudflat to upland tundra, we estimated cover by vascular plant species, soil moisture, salinity, relative elevation, depth to permafrost, and distance upriver from the coast. Two-way indicator species...

Kincheloe, Karen L.; Stehn, Robert A.

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Year Published: 1990

Avifaunal remains from the Utqiagvik Village Site, North Alaska

No abstract available.

Hall, Edwin S.; Lobdell, J.E.; Gill, Robert E.

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Year Published: 1990

Breeding seasons of oceanic birds in a subarctic colony

We studied the breeding seasons of marine birds on the Semidi Islands, western Gulf of Alaska, from 1976 to 1983. Distributions of laying or hatching observed in 11 species during 1–7 years are presented; less detailed information is available on the breeding schedules of three species. The combined laying period of 14 species lasted 3 months from...

Hatch, Scott A.; Hatch, Martha A.

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Year Published: 1990

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...

Schmutz, Joel A.; Braun, Clait E.; Andelt, William F.

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Year Published: 1990

Colony attendance and population monitoring of Least and Crested auklets on St. Lawrence Island, Alaska

Diurnal and seasonal patterns of attendance of Least Auklets (Aethia pusilla) and Crested Auklets (A. cristatella) were studied in 1987 at breeding colonies on St. Lawrence Island, Alaska. Numbers of auklets attending eight 200-m2 plots on talus slopes were counted throughout the day by observers on 11 occasions through the breeding season....

Piatt, John F.; Roberts, Bay D.; Hatch, Scott A.

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Year Published: 1990

Components of breeding productivity in a marine bird community: key factors and concordance

We estimated components of annual breeding productivity for eight species of marine birds on the Semidi Islands in the western Gulf of Alaska. Mortality of eggs and young, caused primarily by avian predators, accounted for most of the annual variation in productivity. Failure to produce eggs, clutch size variation, and the hatchability of eggs...

Hatch, Scott A.; Hatch, Martha A.

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Year Published: 1990

Computer-aided procedure for counting waterfowl on aerial photographs

Examination of 46 Canada goose goslings yielded 14 species of parasites, including five Protozoa, four Nematoda, two Cestoda, and three Trematoda. Evidence indicates that goslings acquired most of these infections during their first week of life. Some parasites, Prosthogonimus sp., occurred only in younger birds. Others, Leucocytozoon simondi,...

Bajzak, D.; Piatt, John F.
Computer-aided procedure for counting waterfowl on aerial photographs; 1990; Article; Journal; Wildlife Society Bulletin; Bajzak, D.; Piatt, J. F.

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Year Published: 1990

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...

Bayha, Keith; Kormendy, Jennifer; DeGange, Anthony R.; Monson, Daniel H.; Irons, David B.; Robbins, C.M.; Douglas, David C.

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Year Published: 1990

Distribution, age, and sex composition of sea otter carcasses recovered during the response to the T/V Exxon Valdez oil spill

Nearly 900 sea otter (Enhydra lutris) carcasses were recovered in or adjacent to coastal areas affected by the T/V Exxon Valdez oil spill. The time of carcass recovery and the condition of carcasses indicate that most oil spill-induced mortality occurred early in the response period. In fact, by 19 May about 70% of the carcasses had been found....

Bayha, Keith; Kormendy, Jennifer; DeGange, Anthony R.; Lensink, Calvin J.

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Year Published: 1990

Effects of human disturbance on breeding Least and Crested Auklets at St. Lawrence Island, Alaska

We studied breeding success, chick growth, and diets of Least (Aethia pusilla) and Crested (A. cristatella) auklets on St. Lawrence Island, Alaska, in summer 1987. Least Auklets had higher breeding success on control plots (50-66%) than on disturbed plots (36%). Crested Auklets had a breeding success of 42% on disturbed plots. Predation by...

Piatt, John F.; Roberts, Bay D.; Lidster, Wayne W.; Wells, John L.; Hatch, Scott A.

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Year Published: 1990

Effects of neck bands on the behavior of wintering greater white-fronted geese

Activity budgets of adult Greater White-fronted Geese (Anser albifrons frontalis) with and without neck bands during the non-breeding season revealed that geese with neck bands spent more time preening than geese without neck bands while at foraging sites, but not while at roosting sites. Neck-banded and control geese spent equal time in other...

Ely, Craig R.

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Year Published: 1990

Effects of visiting black brant nests on egg and nest survival

I used 2 methods to evaluate the effect of visiting black brant (Branta bernicla nigricans) nests on survival of whole nests and eggs in a single colony on the Yukon-Kuskokwim Delta, Alaska. The first technique regressed survival of nests or eggs during a time interval against interval length. Departure of the y-intercept from 1.0 estimated the...

Sedinger, James S.

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