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Explore Search: abundance

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publication
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Wetland bird seasonal abundance and habitat use at Lake Earl and Lake Talawa, California

publication
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Utility of spawner-recruit relations for evaluating the effect of degraded environment on the abundance of Chinook salmon, Oncorhynchus tshawytscha

map
Collage of USGS Maps.

Maps showing distribution and abundance of selected elements in stream-sediment samples from a reconnaissance geochemical survey of the Healy Quadrangle, Alaska

map
Collage of USGS Maps.

Maps showing distribution and abundance of selected elements in heavy-mineral concentrate samples from a reconnaissance geochemical survey of the Healy Quadrangle, Alaska

map
Collage of USGS Maps.

Geochemical maps showing the distribution and abundance of selected elements in stream-sediment samples, Solomon and Bendeleben 1° x 3° quadrangles, Seward Peninsula, Alaska

map
Collage of USGS Maps.

Geochemical maps showing the distribution and abundance of selected elements in nonmagnetic heavy-mineral-concentrate samples from stream sediment, Solomon and Bendeleben 1° x 3° quadrangles, Seward Peninsula, Alaska

publication
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Seasonal and annual variation in the diet of Atlantic cod (Gadus morhua) in relation to the abundance of capelin (Mallotus villosus) off eastern Newfoundland, Canada

map
Collage of USGS Maps.

Mineralogical maps showing the distribution and abundance of selected minerals in nonmagnetic heavy-mineral-concentrate samples from stream sediment, Solomon and Bendeleben 1° x 3° quadrangles, Seward Peninsula, Alaska

publication
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Variations in the abundance of occluded light hydrocarbons (C b1 s-C b5 s) and their relation to diagenetic changes, in the Salt Wash Member, Late Jurassic Morrison Formation, Slick Rock District, San Miguel County, Colorado

publication
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Baleen whales and their prey in a coastal environment

publication
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Statistical considerations in designing raptor surveys

publication
image of publications layered on a wooden table

Planktonic benthonic foraminiferal ratios: Modern patterns and Tertiary applicability

publication
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Geochemical controls on vanadium accumulation in fossil fuels

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Geochemical controls of vanadium accumulation in fossil fuels

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Paleohydrologic evolution and geochemical dynamics of cumulative supergene metal enrichment at La Escondida, Atacama Desert, northern Chile

publication
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Snowy owl

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Winter raptor use of the Platte and North Platte River Valleys in south central Nebraska

map
Collage of USGS Maps.

Geochemical survey of the Chattahoochee Roadless Area, Towns, Union, and White counties, Georgia

publication
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Potamocorbula amurensis discovered in San Francisco Bay

publication
image of publications layered on a wooden table

Variation in capture efficiency of a beach seine for small fishes

map
Collage of USGS Maps.

Geochemical survey of the Blood Mountain Roadless Area, Union and Lumpkin counties, Georgia

publication
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Sightability adjustment methods for aerial surveys of wildlife populations

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image of publications layered on a wooden table

Population declines in North American birds that migrate to the neotropics

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image of publications layered on a wooden table

Logging in western Oregon: responses of headwater habitats and stream amphibians

publication
image of publications layered on a wooden table

Enrichment of trace elements in garnet amphibolites from a paleo-subduction zone: Catalina Schist, southern California

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