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The USGS provides unbiased, objective, and impartial scientific information upon which our audiences, including resource managers, planners, and other entities, rely.
Browse more than 5,500 book chapters authored by our scientists over the past 100+ year history of the USGS and refine search by topic, location, year, and advanced search.
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Ross Sea Ross Sea
Eight short-wavelength, seismically defined penetrative structures having associated 1- to 5-km-wide magnetic anomalies (Table A. 12.1) in the western Ross Sea (Figure A. 12.1) are interpreted as volcanic in origin. Modeled anomalies fitted to the observed data and constrained by 24-fold seismic reflection profiles support the interpretation of these submarine volcanoes. Anomaly a...
Authors
J. C. Behrendt
Saline minerals in the Lewis Cliff ice tongue, Buckley Island Quadrangle, Antarctica Saline minerals in the Lewis Cliff ice tongue, Buckley Island Quadrangle, Antarctica
No abstract available.
Authors
J. J. Fitzpatrick, D.R. Muhs, A.J.T. Jull
Setting objectives -- A prerequisite of ecosystem management Setting objectives -- A prerequisite of ecosystem management
No abstract available.
Authors
R.L. Schroeder, M.E. Keller
Snow as a driving force in a wolf-deer system Snow as a driving force in a wolf-deer system
No abstract available.
Authors
L.D. Mech
South Florida rockland South Florida rockland
Abstract not supplied at this time
Authors
J.R. Snyder, Alan Herndon, W.B. Robertson
Special considerations in the culture of striped bass and striped bass hybrids Special considerations in the culture of striped bass and striped bass hybrids
No abstract available at this time
Authors
N. C. Parker, G. T. Klar, T.I.J. Smith, J.H. Kerby
Stress and acclimation Stress and acclimation
No abstract available
Authors
Gary Wedemeyer, B.B. Barton, D.J. McLeay
Survey methods and mapping grids Survey methods and mapping grids
No abstract available.
Authors
C.S. Robbins, P.H. Geissler
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
Viable populations Viable populations
No abstract available.
Authors
P. A. Buckley, W. Ehorn, M. Gilpin, J. Hamrick, C. Schonewald-Cox, M. Shaffer, T. Simons
Wood duck population dynamics: a review Wood duck population dynamics: a review
No abstract available.
Authors
J.D. Nichols, Fred A. Johnson
Wood duck population trends from the North American Breeding Bird Survey Wood duck population trends from the North American Breeding Bird Survey
The North American Breeding Bird Survey (BBS) has been conducted yearly since 1966, and can be used to describe relative population density and trends of birds in North America north of Mexico. Wood ducks (Air sponsa) are difficult to survey using conventional waterfowl monitoring techniques, but a large portion of their range is surveyed by the BBS. Wood ducks are detected at low...
Authors
J.R. Sauer, Sam Droege