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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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Immunological biomarkers to assess environmental stress
No abstract available at this time
Authors
B.A. Weeks, D. P. Anderson, A.P. DuFour, A. Fairbrother, A.J. Goven, G.P. Lahvis, G. Peters
Impacts of variation in planktivorous fish on abundance of daphnids: A simulation model of the Lake Mendota food web: Chapter 20
Previous chapters in this volume have outlined the goals of the Lake Mendota food web manipulation study (Rudstam et al., Ch. 12) and have reported on variations in phytoplankton and zooplankton abundances during the past 15 years (Lathrop and Carpenter, Ch. 7 and 8). Because of the long time scales inherent in such a lake management manipulation, it became imperative to attempt to predict how the
Authors
Chris Luecke, Cynthia C. Lunte, Russell A. Wright, Dale M. Robertson, Ann S. McLain
In vitro immunization of fish spleen sections and NBT, phagocytic, PFC and antibody assays for monitoring the immune response
No abstract available at this time
Authors
D. P. Anderson
Insulin-like growth factors "under water": role in growth and function of fish and other poikilothermic vertebrates
No abstract available at this time
Authors
H. A. Bern, S. D. McCormick, K.M. Kelley, E.S. Gray, R. S. Nishioka, Steffen S. Madsen, P.I. Tsai
Invertebrate trace fossils; the backbone of continental ichnology
No abstract available
Authors
S.T. Hasiotis, T. M. Bown
Karyotype and identification of sex in two endangered crane species
A laboratory procedure for sex identification of monomorphic birds was developed using modern cytological methods of detecting chromosome abnormalities in human amniotic fluid samples. A pin feather is taken from a pre-fledging bird for tissue culture and karyotype analysis. Through this method, the sex was identified and the karyotype described of the whooping crane (Grus americana) and the Missi
Authors
C. Goodpasture, G. Seluja, G. Gee
Laboratory methods
No abstract available
Authors
F.G. Ethridge, W.R. Almon, M.P. Cone, D.G. Kersey, H.A. Ohen, W.A. Nagel, K.A. Byerly, Jim Funk, C.L. Vayra, J.G. Kaldi, R.M. Sneider, J.T. Hawkins, R. W. Scott, D.W. Houseknecht, J.B. Thomas, P.C. Henshaw, R.L. Kaufman, L.W. Slentz, P.A. Dickey, Dare Keelan, J.O. Amaefule
Loggerhead sea turtle Caretta caretta (Linnaeus)
Abstract not supplied at this time
Authors
C. K. Dodd
Long-range transport of atmospheric organochlorine pollutants and air-sea exchange of hexachlorocyclohexane
No abstract available.
Authors
D.A. Hinckley, T.F. Bidleman, C.P. Rice
Maintenance of the zebra mussel (Dreissena polymorpha) under laboratory conditions
Zebra mussels (Dreissena polymorpha) with a shell length >1 mm are adaptable to laboratory conditions if ammonia levels are low (10 mm) resulted in an average growth rate of 2 mm/month.
Authors
S. Jerrine Nichols
Mesozoic structure, metamorphism, and magmatism in the Pilot Range and the Toano Ranges
No abstract available
Authors
D. M. Miller, T.D. Hoisch