Conference Papers
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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 almost 5,000 conference papers authored by our scientists and refine search by topic, location, year, and advanced search.
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Duck virus enteritis (duck plague): Since Lake Andes
No abstract available.
Authors
Christopher J. Brand
Enzymes and other biochemical indicators of toxicant effects in fishes
No abstract available.
Authors
Dora R. May Passino
Experiences with the application of the finite element method to the solution of the shallow water equations
No abstract available.
Authors
R. A. Walters
Immune response of trout to DNP conjugated to KLH, ficoll, or an O-antigen given by injection or flush contact
No abstract available at this time
Authors
D. P. Anderson, B. Merchant, O. W. Dixon, Lizzio Schott C
Strains of infectious hematopoietic necrosis (IHN) virus may be identified by structural protein differences
The development of an effective vaccine to infectious hematopoietic necrosis virus (IHNV) in fish requires a knowledge of the virus serotypes in nature. At least two serotypes were found among three IHNV strains (12). Attempts in our laboratory to extend this study with additional virus strains by classical immunological techniques were unsatisfactory. Thus, we sought another method for comparing
Authors
J.C. Leong, Ya Li Hsu, H. Mark Engelking, Daniel M. Mulcahy
The physiological response of fishes to the stress of intensive aquaculture in recirculation systems
No abstract available
Authors
Gary Wedemeyer
Waterfowl diseases - Changing perspectives for the future
No abstract available.
Authors
Milton Friend
Coastal zone studies: A holistic approach
No abstract available.
Authors
James B. Johnston, Martha W. Young, Carolyn O. French
Composition and origin of phosphorite deposits of the Blake Plateau
An area of about 22 000 km2 on the N Blake Plateau contains an estimated 2 billion tonnes of phosphorite concretions, and about 1.2 billion tonnes of mixed ferromanganese-phosphorite pavement. The phosphorite consists primarily of carbonate-fluorapatite, some calcite, minor quartz and other minerals. Drilling and other evidence show that the phosphorite is a lag derived from Miocene strata correla
Authors
Frank T. Manheim, R. M. Pratt, P.F. McFarlin
Bald eagles and the management program at Swan Lake National Wildlife Refuge
No abstract available.
Authors
Curtice R. Griffin, Thomas S. Baskett, Rollin D. Sparrowe
Geology of the Ridge and Valley Province, northwestern New Jersey and eastern Pennsylvania
The rocks seen in this segment of the field trip range in age from Middle Ordovician to Middle Devonian and constitute a deep basin-continental-shallow shelf succession. Within this succession, three lithotectonic units, or sequences of rock that were deformed semi-independently of each other, have somewhat different structural characteristics. Both the Alleghenian and Taconic orogenies have left
Authors
Jack B. Epstein