Unified Interior Regions

Region 11: Alaska

Alaska Science Center

Alaska Science Center

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

View Center Website

Volcano Science Center

Volcano Science Center

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

View Center Website

Climate Adaptation Science Center

Climate Adaptation Science Center

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

View Center Website

Regions L2 Landing Page Tabs

Filter Total Items: 2,418
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Year Published: 1985

Foraging recruitment by the Giant Tropical Ant Paraponera clavata (Hymenoptera, Formicidae)

Increased foraging of an exceptionally abundant, but ephemeral, food source by ants can result from foraging excitement that does not include pheromone trails, tandem running, or from recruitment of other workers along pheromone trails (Carrol and Janzen, 1973). They also provided rationale for two types of short-lived pheromone trails resulting...

Barrett, Bruce A.; Jorgenson, Clive D.; Looman, Sandra J.

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Year Published: 1985

Research on Alaskan polar bears in 1979 and 1980

In 1979 the U.S. Fish and Wildlife Service continued its program of mark and recapture. From 31 March to 4 May field crews working at Point Barrow, Alaska, captured and marked a total of 15 polar bears (Table I). The small number was due to very poor ice conditions off the coast of Alaska, making tracking and capturing difficult. Four of the bears...

Amstrup, Steven C.

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Year Published: 1985

Summary of data on the age of the Orca Group, Alaska: A section in The United States Geological Survey in Alaska: Accomplishments during 1984

The Orca Group is a widespread, thick, complexly deformed accretionary sequence of flysch and tholeiitic basalt in the Prince William Sound area (Winkler, 1976; Winkler and Plafker, 1981) (fig. 49). Despite a number of extensive field studies of the Orca Group, reliable data on the age of the unit have been elusive. On the basis of sparse...

Plafker, George; Keller, Gerta; Nelson, Steven W.; Dumoulin, Julie A.; Miller, Marti L.

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Year Published: 1985

The Emperor Goose

Many ornithologists believe the emperor goose (Chen canagicus) is the most beautiful goose in North America. Detailed descriptions of its plumage can be found in Palmer1 and a general description in Bellrose.2 Emperor geese are rather short and squatty, with yellow-orange feet and pink bills. Their bluish-gray body feathers are banded in black and...

Di Silvestro, Roger L.; Petersen, Margaret R.

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Year Published: 1985

Vertical transmission of infectious hematopoietic necrosis virus in sockeye salmon (Oncorhynchus nerka): Isolation of virus from dead eggs and fry

The control of epizootics of infectious haematopoietic necrosis (IHN) virus in salmonid fishes is presently based on examination and certification of adult brood fish to prevent the introduction of virus-infected eggs into hatcheries (Canadian Fisheries and Marine Service 1976; McDaniel 1979). This strategy is based on the assumption that the...

Mulcahy, D.; Pascho, R.J.

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Year Published: 1985

Processing of Landsat imagery to map surface mineral alteration on the Alaska Peninsula: A section in USGS research on mineral resources, 1985 program and abstracts

Landsat images were digitally processed to facilitate assessment of the mineral resources of the Port Moller, Stepovak Bay, and Simeonof Island 1:250,000 quadrangles. Field mapping and assessment of these quadrangles were begun in 1983 as part of the Alaska Mineral Resource Assessment Program (AMRAP). It was quickly realized that time and budget...

Wilson, Frederic H.; York, James

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Year Published: 1984

A transect of metamorphic rocks along the Copper River, Cordova and Valdez Quadrangles, Alaska: A section in The United States Geological Survey in Alaska: Accomplishments during 1982

The lower Tertiary Orca Group is juxtaposed against the Upper Cretaceous Valdez Group along the Contact fault system (Winkler and Plafker, 1974, 198; Plafker and others, 1977)(fig. 33). In both groups, turbidites are the dominant rock type, with lesser mafic volcanic rocks (table 10). The Valdez Group, on the north, has traditionally been...

Miller, Marti L.; Dumoulin, Julie A.; Nelson, S.W.

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Year Published: 1984

Geological Survey research, fiscal year 1981

A summary of recent significant scientific and economic results accompanied by a list of geologic, hydrologic, and cartographic investigations in progress.

Geological Survey research 1982 [fiscal year 1981]; 1982; PP; 1375; Geological Survey (U.S.)

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Year Published: 1984

The United States Geological Survey in Alaska: Accomplishments during 1981

This report of accomplishments of the U.S. Geological Survey in Alaska during 1981 contains summary and topical accounts of the results of studies on a wide range of topics of economic and scientific interest. In addition, many more detailed maps and reports are included in the lists of references cited for each article and in the appended...

Coonrad, Warren L.; Elliot, Raymond L.
The United States Geological Survey in Alaska; accomplishments during 1981; 1984; CIR; 868; Edited by Coonrad, W. L.; Elliott, R. L.

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Year Published: 1984

The United States Geological Survey in Alaska: Accomplishments during 1982

This circular contains short topical and summary articles about the results of 1982 geologic studies on a wide range of subjects of economic and scientific interest. Included are lists of references cited for each article and a compilation of reports about Alaska written by members of the U.S. Geological Survey and published by the Geological...

Reed, Katherine M.; Bartsch-Winkler, Susan B.
The United States Geological Survey in Alaska; accomplishments during 1982; 1984; CIR; 939; Edited by Reed, Katherine M.; Bartsch-Winkler, Susan

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Year Published: 1984

Breeding biology of Pacific white-fronted geese

Nesting ecology of Pacific white-fronted geese (Anser albifrons frontalis) was studied on a 9.9-km2 area on the Yukon-Kuskokwim (Y-K) Delta, Alaska, during 1977-79. Availability of nesting habitat varied considerably among years because of differences in time of snow- and icemelt. Mean clutch size was 3.7 eggs in the late spring thaw year and 5.2...

Ely, Craig R.; Raveling, Dennis G.

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Year Published: 1984

Composition and energy contents of mature inshore spawning capelin (Mallotus villosus): Implications for seabird predators

1. Lipid levels of capelin are highest in late fall and lowest during the summer spawning season; protein levels are constant at 13–14% body wt throughout the year.2. Ovid females contained significantly more lipid and protein and less water and had higher energy densities than males and spent females.3. Surgically-removed egg masses made up 34.2...

Montevecchi, W.A.; Piatt, John F.

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