Commercial sunflowers: food for red foxes in North Dakota
A.B. Sargeant, S.H. Allen, J. P. Fleskes
1986, Prairie Naturalist (18) 91-94
Stomach contents of 70 red foxes (Vulpes vulpes) shot in east-central North Dakota during January 1982 and January 1983 were examined. Commercial sunflower seeds were the most frequently found food item, occurring each year in three-fourths of the stomachs and composing about half of the contents. The remainder of the...
Loss of lampricides by adsorption on bottom sediments
V. K. Dawson, D.A. Johnson, J. L. Allen
1986, Canadian Journal of Fisheries and Aquatic Sciences (43) 1515-1520
Problems have been encountered in maintaining effective concentrations of the lampricides 3-trifluoromethyl-4-nitrophenol (TFM) and 5,2a??-dichloro-4a??-nitrosalicylanilide (Bayer 73) during treatments of certain Great Lakes tributaries. Concentrations of Bayer 73 decreased by more than 80% in a portion of the Ford River, Michigan, during treatment in 1980. Adsorption of Bayer 73 on...
Changes in growth and maturity of walleyes associated with stock rehabilitation in western Lake Erie, 1964-1983
Kenneth M. Muth, David R. Wolfert
1986, North American Journal of Fisheries Management (6) 168-175
The precipitous decline in abundance of walleyes (Stizostedion vitreum vitreum) in western Lake Erie during the 1960s caused major concerns for the future of this resource. Mercury contamination in walleyes in 1970 resulted in a moratorium on commercial fishing in United States and Canadian waters. The opportunity arose for resource...
Evaluation of hatchery-reared lake trout for reestablishment of populations in the Apostle Islands Region of Lake Superior, 1960-84
Charles C. Krueger, Bruce L. Swanson, James H. Selgeby
R.H. Stroud, editor(s)
1986, Book chapter, Fish culture in fisheries management
No abstract available....
Marine otters and their environment
J. A. Estes
1986, Ambio (15) 181-183
A comparison of burn season effects on nesting birds in North Dakota mixed-grass prairie
K.F. Higgins
1986, Prairie Naturalist (18) 219-228
During 1982-1985, the effects of single spring and fall burn treatments on ground nesting birds and residual cover were studied on five paired areas of native mixed-grass prairie in northwestern Stutsman County, ND. Annually, visual obstruction readings to index the height-density of residual cover were taken once and nest searches...
Immunization and culture of rainbow trout organ sections in vitro
D. P. Anderson, O. W. Dixon, E. F. Lizzio
1986, Veterinary Immunology and Immunopathology (12) 203-211
Gonadal dysgenesis in rainbow trout Salmo gairdneri
R. L. Herman, H. L. Kincaid
1986, Diseases of Aquatic Organisms (1) 227-228
No abstract available. ...
[Book review] Fish immunology, edited by M. J. Manning and M. F. Tatner
B.R. Griffin
1986, Transactions of the American Fisheries Society (115) 641-642
Review of: Fish Immunology. Edited by M. J. Manning and M. F. Tatner. Academic Press, London. 1985. 374 pages. $32.50. Reviewed by B. R. Griffin, Fish Farming Experimental Station, U.S. Fish and Wildlife Service, Stuttgart, Arkansas 72160, USA....
Pathology caused by the bacterium Edwardsiella tarda in striped bass
R. L. Herman, G. L. Bullock
1986, Transactions of the American Fisheries Society (115) 232-235
Benthic community of the Savannah River below a peaking hydropower station
Patrick L. Hudson, S. Jerrine Nichols
1986, Journal of the Elisha Mitchell Scientific Society (102) 107-121
The Savannah River below Hartwell Dam, on the South Carolina-Georgia border, contains at least 206 benthic invertebrate taxa, even though this tailwater undergoes substantial daily fluctuations in water flow, temperature, and dissolved oxygen. Oligochaetes, chironomids, and amphipods dominate the community immediately below the dam. Farther downstream, larger organisms (i.e., Ephemeroptera,...
I'll tell you how it {raptor program} began: first came a bird
J. A. Howell
1986, Pacific Raptor Report (1) 1-2
No abstract available at this time...
The venomous reptiles of Arizona
C.H. Lowe, C.R. Schwalbe, T.B. Johnson
1986, Book
No abstract available at this time...
Volcanoes and atmospheres; catastrophic influences on the planets
S. W. Kieffer
1986, Earthquakes & Volcanoes (USGS) (18) 76-83
For a rare and brief instant in geologic time, we can imagine that the sulfurous, chromatic surface of Io (one of the satellites of Jupiter) lies quiet. Perhaps stars glisten brilliantly through the tenuous nigh sky. Here and there, thick icy fogs enshroud fumaroles where sulfur dioxide leaks from the...
Use of detrended correspondence analysis in evaluating factors controlling species composition of periphyton
Harry V. Leland, James L. Carter
Isom Billy G., editor(s)
1986, Book chapter, Rationale for sampling and interpretation of biological data in the assessment of freshwater ecosystems
Detrended correspondence analysis (DCA) was evaluated for its usefulness in elucidating relationships among samples and among species of periphyton in an oligotrophic stream, and for its effectiveness in displaying major gradients where an experimental gradient (copper) affecting species composition was imposed. It was highly sensitive to differences among samples and...
Radiocarbon studies of latest Pleistocene and Holocene lava flows of the Snake River Plain, Idaho: Data, lessons, interpretations
M. A. Kuntz, E.C. Spiker, M. Rubin, D.E. Champion, R.H. Lefebvre
1986, Quaternary Research (25) 163-176
Latest Pleistocene-Holocene basaltic lava fields of the Snake River Plain, Idaho, have been dated by the radiocarbon method. Backhoe excavations beneath lava flows typically yielded carbon-bearing, charred eolian sediment. This material provided most of the samples for this study; the sediment typically contains less than 0.2% carbon. Charcoal fragments were...
Preliminary appraisal of ground water in and near the ancestral Missouri River Valley, northeastern Montana
G. W. Levings
1986, Water-Resources Investigations Report 86-4138
A preliminary appraisal was conducted in and near the ancestral Missouri River valley in northeastern Montana to describe the groundwater resources and to establish a data base for the area. The data base then could be used for future evaluation of possible changes in water levels or water quality. In...
Stratigraphic setting and mineralogy of the Arctic volcanogenic massive sulfide prospect, Ambler district, Alaska
J.M. Schmidt
1986, Economic Geology (81) 1619-1643
The Arctic prospect, south central Brooks Range, is among the 30 largest of 508 volcanic-hosted massive sulphide deposits in the world. The massive sulphide lenses are interlayered with graphitic schist between metamorphosed rhyolite porphyries in Middle Devonian to early Mississippian metamorphosed volcanic, volcaniclastic and sedimentary rocks. Hydrothermal alteration is of...
Influences of quaternary climatic changes on processes of soil development on desert loess deposits of the Cima volcanic field, California
L. D. McFadden, S. G. Wells, J. C. Dohrenwend
1986, Catena (13) 361-389
Soils formed in loess are evidence of both relict and buried landscapes developed on Pliocene-to-latest Pleistocene basalt flows of the Cima volcanic field in the eastern Mojave Desert, California. The characteristics of these soils change systematically and as functions of the age and surface morphology of the lava flow. Four...
Approximating edges of source bodies from magnetic or gravity anomalies
R.J. Blakely, R.W. Simpson
1986, Geophysics (51) 1494-1498
Cordell and Grauch (1982, 1985) discussed a technique to estimate the location of abrupt lateral changes in magnetization or mass density of upper crustal rocks. The final step of their procedure is to identify maxima on a contoured map of horizontal gradient magnitudes. We attempt to automate their final step....
Prairie restoration at the National Wildlife Health Laboratory (Wisconsin)
R. M. Windingstad
1986, Restoration & Management Notes (4) 72-72
The National Wildlife Health Laboratory (NWHL), U.S. Fish and Wildlife Service in Madison are in the process of a 7-ha prairie restoration project on their lands to create a microcosmic representation of presettlement Wisconsin. Visiting scientists, personnel from local schools and universities, and neighboring public will eventually be able to...
Inclusion body disease of cranes: Comparison of pathologic findings in cranes with acquired vs. experimentally induced disease
J. C. Schuh, L. Sileo, Lynne M. Siegfried, Thomas M. Yuill
1986, Journal of the American Veterinary Medical Association (189) 993-996
Inclusion body disease of cranes was the cause of death in 17 immature and mature cranes of 5 different species in Wisconsin. A herpesvirus of unknown origin was the apparent cause. An isolate of this herpesvirus was used to experimentally infect 3 species of cranes. Macroscopic and microscopic lesions associated...
Determination of Ca, Mg, Na, Cd, Cu, Fe, K, Li and Zn in acid mine and reference water samples by inductively coupled plasma atomic fluorescence spectrometry
R. F. Sanzolone, A. L. Meier
1986, The Analyst (111) 645-649
An inductively coupled plasma atomic fluorescence spectrometric (ICP-AFS) method was used for the determination of nine elements in natural water. Reference and acid mine water samples were analysed by this method to demonstrate its usefulness for hydrogeochemical exploration. The elements were determined in two groups based on the compatibility of...
Ancient giant rockslides, Sinking Creek Mountain, southern Appalachians, Virginia.
A. P. Schultz
1986, Geology (14) 11-14
The zone of rockslides, identified by anomalous topography and geologic structures, is about 25 km long and 1.0 km wide. Downslope transport, ranging from 0.5 to 1.0 km, of at least 100 million m3 of Silurian sandstones and shales can be identified.-from Author...
Antarctica: Measuring glacier velocity from satellite images
Baerbel K. Lucchitta, H.M. Ferguson
1986, Science (234) 1105-1108
Many Landsat images of Antarctica show distinctive flow and crevasse features in the floating part of ice streams and outlet glaciers immediately below their grounding zones. Some of the features, which move with the glacier or ice stream, remain visible over many years and thus allow time-lapse measurements of ice...
