Artificial propagation of coregonines in the management of the Laurentian Great Lakes
Thomas N. Todd
1986, Book chapter, Archiv fur Hydrobiologie. Advances in Limnology 22. Advances in fishery biology: Biology, exploitation, rearing and propogation of coregonid fishes
Numerous stresses caused wide fluctuations in the abundance of Great Lakes coregonine fishes during the last century. State, Provincial, and Federal agencies attempted to bolster these fisheries by stocking more than 32 billion fry of lake whitefish (Coregonus clupeaformis) and 6 billion fry of lake herring (C. artedii) over a...
An overview of environmental surveillance of waste management activities at the Idaho National Engineering Laboratory
T.H. Smith, E.W. Chew, T.G. Hedahl, L. J. Mann, T.F. Pointer, G.B. Wiersma
1986, Book, Proceedings for 1986 Waste Management Symposium
The Idaho National Engineering Laboratory (INEL), in southeastern Idaho, is a principal center for nuclear energy development for the Department of Energy (DOE) and the U.S. Nuclear Navy. Fifty-two reactors have been built at the INEL, with 15 still operable. Extensive environmental surveillance is conducted at the INEL by DOE's Radiological...
1986 wetland plant list: Alaska
P.B. Reed Jr.
1986, Report
No abstract available....
Minturn and Sangre de Cristo formations of Southern Colorado: A prograding fan delta and alluvial fan sequence shed from the ancestral Rocky Mountains
D. A. Lindsay, R. F. Clark, S. J. Soulliere
1986, Book chapter, Paleotectonics and sedimentation in the Rocky Mountain Region, United States
The Middle Pennsylvania!) Minturn Formation and the Pennsylvanian-Permian Sangre de Cristo Formation of the northern Sangre de Cristo Range form a thick progradational sequence of coarse clastic sediments. These sediments were deposited along the western margin of the central Colorado trough during uplift of the late Paleozoic Uncompahgre highland, a...
Marine geology program of the U.S. Geological survey
Terry W. Offield
1986, Marine Geodesy (10) 369-371
No abstract available. ...
An evaluation of land use, hydrology, and sediment yield in the Mill Creek watershed
Mary Ann Madej, C. O’Sullivan, N. Varnum
1986, Technical Report 17
No abstract available at this time...
Management recommendations for improving wildlife habitat degraded by man in the Black Mountains, Death Valley National Monument
C. L. Douglas
1986, Technical Report CPSU/UNLV 006/38
No abstract available at this time...
Selenium and heavy metals in San Francisco Bay diving ducks
Harry M. Ohlendorf, Roy W. Lowe, Paul R. Kelly, Thomas E. Harvey
1986, Journal of Wildlife Management (50) 64-70
We analyzed for selenium (Se) and heavy metals in greater scaups (Aythya marila) and surf scoters (Melanitta perspicillata) collected from southern San Francisco Bay in March and April 1982. There were no differences (P > 0.05) between species for liver concentrations of silver (Ag), mercury (Hg), or lead (Pb). Copper...
Rare Plants of Point Reyes National Seashore
Ronilee A. Clark, Gary M. Fellers
1986, Technical Report CPSU/UCD 22
No abstract available at this time...
Authors' reply
R.M. Hirsch, N.E. Peters
1986, Atmospheric Environment (20) 230-232
No abstract available....
Authors' reply
M.M. Reddy, H.C. Claassen
1986, Atmospheric Environment (20) 412-413
No abstract available....
Depth distribution, diet, and overwinter growth of lake trout (Salvelinus namaycush) in southeastern Lake Michigan sampled in December 1981 and March 1982
Gary W. Eck, LaRue Wells
1986, Journal of Great Lakes Research (12) 263-269
Lake trout were collected in graded-mesh gill nets and forage fishes were collected in trawls in mid December 1981 and late March 1982. The length ranges of 317 lake trout caught in December and 138 in March were 280–767 and 286–857...
Comparison of species composition and richness of fish assemblages in altered and unaltered littoral habitats
T.P. Poe, C.O. Hatcher, C. L. Brown, D. W. Schloesser
1986, Journal of Freshwater Ecology (3) 525-536
Species composition and richness of fish assemblages in altered and unaltered littoral habitats in Lake St. Clair, Michigan, differed between areas. A percid-cyprinid-cyprinodontid assemblage dominated in the unaltered area, Muscamoot Bay, which has a natural shoreline (with almost no alteration due to dredging or bulkheading), high water quality, and high...
Occurrence of white bass-white perch hybrids in Lake Erie
Thomas N. Todd
1986, Copeia (1986) 196-199
No abstract available....
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,...
Winter ecology of bald eagles in southcentral Nebraska
G.R. Lingle, Gary L. Krapu
1986, Prairie Naturalist (18) 65-78
Approximately 200 bald eagles wintered along a 370-km section of the Platte and North Platte rivers in Nebraska during the winters of 1978-79 and 1979-80. A preponderance of the wintering eagles were adults, with the adult:subadult ratio highest during the harsh winter of 1978-79. Nocturnal roosts were located primarily in...
Feeding ecology of sandhill cranes during spring migration in Nebraska
K. J. Reinecke, Gary L. Krapu
1986, Journal of Wildlife Management (50) 71-79
We studied the food habits of midcontinent sandhill cranes (Grus canadensis) during spring 1978 and 1979 at their primary staging area along the Platte River and compared population food and foraging habitat requirements with availability. Crane diets varied among the 3 principal foraging habitats, but not between sexes, ages, or...
Molt chronology of northern pintails in California
Michael R. Miller
1986, Journal of Wildlife Management (50) 57-64
Intensity and chronology of molt in 10 feather groups (head, neck, breast, belly, back, rump, side, scapular, tertial, and tail) were measured using percentages of developing feathers (pinfeathers) converted to molt scores (0-100) in samples plucked monthly from northern pintails (Anas acuta) collected by shooting from August through March 1980-82...
Spring and summer survival of female mallards from northcentral Minnesota
Ronald E. Kirby, Lewis M. Cowardin
1986, Journal of Wildlife Management (50) 38-43
Seasonal survival of 109 adult female mallards (Anas platyrhynchos) fitted with radio transmitters was evaluated in northcentral Minnesota during 1968-74. Survival rates for the 169-day breeding and postbreeding period were: 1.0 during nest initiation (36 days), 0.798 during incubation (28 days), 0.943 during brood rearing (51 days), 0.947 during molt...
Comparison of wetland drainage during and after protection by 20-year easements
K.F. Higgins, R.O. Woodward
1986, Prairie Naturalist (12) 89-91
We determined drainage rates for wetlands in North and South Dakota with U.S. Fish and Wildlife Service 20-year easements, during (1961-1980) and after (1981-1984) contract protection. Average annual drainage rates were 10 times higher during the four postcontract years than during the 20 contract years on the same tracts of...
Nest sites of ducks in grazed mixed-grass prairie in North Dakota
Harold F. Duebbert, J. T. Lokemoen, D.E. Sharp
1986, Prairie Naturalist (18) 99-108
Habitat use and nesting success of seven species of dabbling ducks were evaluated in five vegetative associations within grazed mixed-grass prairie in central North Dakota. During 1976-80, 548 nests were found on 412 ha of grazed prairie for an annual average density of 27 nests/100 ha. Numbers of nests found...
Western Stump Lake, a major canvasback staging area in eastern North Dakota
H.A. Kantrud
1986, Prairie Naturalist (18) 247-253
Large numbers of waterfowl, especially canvasback (Aythya valisineria), used Western Stump Lake as a staging area during most of October 1985. Selection of the lake as a conditioning site by this species likely is caused by extensive, shallow-water beds of sago pondweed (Potamogeton pectinatus) and lack of human disturbance. A...
Patterns and causes of change in a cliff swallow colony during a 17-year period
Gary L. Krapu
1986, Prairie Naturalist (18) 109-114
The number of cliff swallow (Petrochelidon pyrrhonata) nests at a farmstead in southeastern North Dakota increased at an average annual rate of 87% with house sparrow (Passer domesticus) removal during 1957-60 and 1970-72. Harassment of nesting cliff swallows by house sparrows, adult swallow mortality from cold weather in late May,...
Influence of striped skunk removal on upland duck nest success in North Dakota
R. J. Greenwood
1986, Wildlife Society Bulletin (14) 6-11
Abstract has not been submitted...
Post fledging behavior of ferruginous hawks in North Dakota
P.M. Konrad, D.S. Gilmer
1986, Journal of Raptor Research (20) 35-39
Post-fledging activities of 18 Ferruginous Hawks (Buteo regalis) were studied in southcentral North Dakota during July and August 1979. The post-fledging period ranged from 10 to 40 d (mean = 23.1 d; N = 16). Haylands and native prairie grasslands were the principal land use types utilized by fledglings and...
