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Page 4373, results 109301 - 109325

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Publication Extents

Not all publications have extents, not all extents are completely accurate
A summary of alcid records from Hawaii
R. B. Clapp
1986, Colonial Waterbirds (9) 104-107
Abstract.-Four species of alcids have now been recorded frorn Hawaii. Two of them, the Tufted Puffin (Fratercula cirrhata and the Cassin's Auklet (Ptychoramchus aleuticus) have been found only once; the occurrence of the latter is reported here for the first time. two other alcids, the Horned Puffin (Fratercula arctica) and...
Constant-parameter capture-recapture models
C. Brownie, J.E. Hines, J.D. Nichols
1986, Biometrics (42) 561-574
Jolly (1982, Biometrics 38, 301-321) presented modifications of the Jolly-Seber model for capture-recapture data, which assume constant survival and/or capture rates. Where appropriate, because of the reduced number of parameters, these models lead to more efficient estimators than the Jolly-Seber model. The tests to compare models given by Jolly do...
Use of an inactivated eastern equine encephalitis virus vaccine in cranes
J. W. Carpenter, F. J. Dein, G.G. Clark, D.M. Watts, C.L. Crabbs
1986, American Association of Zoo Veterinarians, Annual Proceedings (1986) 88 (abs)
An unprecedented outbreak of fatal eastern equine encephalitis (EEE) virus occurred during the late summer and fall of 1984 in endangered whooping cranes (Grus americana) at the Patuxent Wildlife Research Center, Laurel, Maryland. As part of efforts to prevent future epizootics of EEE. studies were conducted to evaluate the...
Effects of environmental contaminants on snapping turtles of a tidal wetland
P.H. Albers, L. Sileo, B.M. Mulhern
1986, Archives of Environmental Contamination and Toxicology (15) 39-49
Snapping turtles (Chelydra serpentina) were collected from a brackish-water and a nearly freshwater area in the contaminated Hackensack Meadowlands of New Jersey and an uncontaminated freshwater area in Maryland to determine the effects of environmental contaminants on a resident wetland species. No turtles were observed or caught in the Meadowlands...
Demography, environmental uncertainty, and the evolution of mate desertion in the snail kite
Steven Beissinger
1986, Ecology (67) 1445-1459
The Snail Kite (Rostrhamus sociabilis), an endangered hawk, has a unique mating system in Florida (Beissinger and Snyder 1987): when food is abundant, males or females desert their mates at nearly equal frequency (ambisexual mate desertion) in the midst of a nesting cycle. I examined the demographic and environmental constraints...
Mid-winter food use and body weights of mallards and wood ducks in Mississippi
Don Delnicki, K. J. Reinecke
1986, Journal of Wildlife Management (50) 43-51
We obtained esophageal food samples from 311 mallards (Anas platyrhynchos) and 94 wood ducks (Aix sponsa) and body weights from 2,118 mallards and 315 wood ducks in western Mississippi during December and January 1979-83. On average, mallards ingested 3.0% animal food, principally aquatic invertebrates, and 97.0% plant food. Rice, soybeans,...
Seasonal influence of nutrients on the physiology and behavior of captive canvasbacks (Aythya valisineria)
Matthew C. Perry
1986, Dissertation Abstracts International (46B) 3291 (abs)
Captive canvasbacks (Aythya valisineria) were maintained ad libitum on five diets during the winters of 1978-79 and 1979-80 to evaluate the effects of varying protein and energy levels on feed intake and condition. Diets were formulated to simulate either a natural diet high in invertebrates or one high in vegetation....
Reproductive success and heavy metal contamination in Rhode Island common terns
T. W. Custer, J. C. Franson, John F. Moore, J.E. Myers
1986, Environmental Pollution (Series A) (41) 33-52
Common tern cIutch size, reproductive success and growth of young recorded from an abandoned barge on the Providence River, an area of heavy metal contamination, were equal to, or greater than, .from less contaminated areas. Concentrations of copper and zinc were higher in livers of nestling terns from the Providence...
Range extension for the gray-backed tern in the western Pacific
R. B. Clapp, J.J. Hatch
1986, Colonial Waterbirds (9) 110-112
About 75 pairs of Gray-backed Terns (Sterna lunata) nested on Guguan in the Northern Mariana Islands in 1979. This locality represents a breeding range extension of about 2000 km to the west of the westernmost previously known colony. The species is also reported for the first time from Uracas, northernmost...
Lead concentrations in bullfrog Rana catesbeiana and green frog R. clamitans tadpoles inhabiting highway drainages
C.W. Birdsall, C.E. Grue, A. Anderson
1986, Environmental Pollution (Series A) (40) 233-247
Lead concentrations were determined in sediment and tadpoles of bullfrogs Rana catesbeiana and green frogs R. clamitans from drainages along highways with different daily average traffic volumes (range, 4272 to I08,800 vehicles day-I) and from ponds >0.4 km from the nearest highway. Lead concentrations (mg kg--I dry weight) in sediment...
Effect of anosmia on reproduction in male and female wolves (Canis lupus)
C. S. Asa, U.S. Seal, E.D. Plotka, M.A. Letellier, L.D. Mech
1986, Behavioral and Neural Biology (46) 272-284
Anosmia was produced in two female and three male wolves by transection of the olfactory peduncle and was confirmed by their inability to detect meat, urine, feces, anal-gland secretions, and fish emulsion. All operated animals continued to investigate the environment with their noses, to interact normally with other pack members,...
Embryonic mortality and abnormalities of aquatic birds: Apparent impacts of selenium from irrigation drainwater
H. M. Ohlendorf, D. J. Hoffman, M. K. Saiki, Thomas W. Aldrich
1986, Science of the Total Environment (52) 49-63
Severe reproductive impacts were found in aquatic birds nesting on irrigation drainwater ponds in the San Joaquin Valley of California. Of 347 nests studied to late incubation or to hatching, 40.6% had at least one dead embryo and 19.6% had at least one embryo or chick with an obvious external...
Association between PCBs and lower embryonic weight in black-crowned night herons in San Francisco Bay
D. J. Hoffman, Barnett A. Rattner, C.M. Bunck, A. J. Krynitsky, H. M. Ohlendorf, Roy W. Lowe
1986, Journal of Toxicology and Environmental Health (19) 383-391
Reproductive problems, including congenital malformations, reduced hatching success, and decreased survival of hatchlings, have been observed in colonial-nesting water birds at the San Francisco Bay National Wildlife Refuge (SFBNWR). Twenty-four black-crowned night heron (Nycticorax nycticorax) eggs were collected from SFBNWR in 1983. Twelve of these were collected...
Reproductive toxicity of monocrotophos to bobwhite quail
K. L. Stromborg
1986, Poultry Science (65) 51-57
Pairs of 1st-year breeding bobwhites were fed constant or decreasing concentrations of monocrotophos for 15 days. In addition, a control diet was used in a pair-fed group matched with the pairs in the constant group. Dietary concentrations for the constant group were logarithmically spaced at .100, .178, .316, .562, 1.000...
DDE, DDT + dieldrin: Residues in American kestrels and relations to reproduction
Stanley N. Wiemeyer, Richard D. Porter, Gary L. Hensler, J.R. Maestrelli
1986, Fish and Wildlife Technical Report 6
Captive American kestrels (Falco sparverius) given long-term dietary dosages of DDT and dieldrin in combination, at low and high rates, were compared with controls to determine the effects of the toxicants on reproductive success and eggshell thickness. Additional kestrels were dosed with DDE to determine its effect on shell...
Forested wetlands of the Southeast: Review of major characteristics and role in maintaining water quality
Parley V. Winger
1986, Resource Publication 163
Forested wetlands occupying floodplains of major rivers in the Southeast are highly productive and diverse ecological systems. The wetlands are produced and maintained by fluvial processes and unique hydrologic regimes consisting of periodic flooding and subsequent drydown. Fluctuations in soil chemistry and biology resulting from this flooding and...
The Breeding Bird Survey: Its first fifteen years, 1965-1979
C.S. Robbins, D. Bystrak, P.H. Geissler
1986, Resource Publication 157
The Breeding Bird Survey (BBS) is an ongoing cooperative program sponsored jointly by the U.S. Fish and Wildife Service and the Canadian Wildlife Service. Its main purpose is to estimate population trends of the many species of birds that nest in North America north of Mexico and that migrate across...
Lethal Dietary Toxicities of Environmental Contaminants and Pesticides to Coturnix
E. F. Hill, M.B. Camardese
1986, Fish and Wildlife Technical Report No. 2
Five-day subacute dietary toxicity tests of 193 potential environmental contaminants, pesticides, organic solvents, and various adjuvants are presented for young coturnix (Japanese quail, Coturnix japonica Temminck and Schlegel). The report provides the most comprehensive data base available for avian subacute dietary toxicity tests and is primarily intended for use in...
Conservation of migratory raptors: An overview based on fifty years of raptor banding
C.S. Robbins
S.E. Senner, C.M. White, J.R. Parrish, editor(s)
1986, Book chapter, Raptor Conservation in the Next 50 Years
During the 50-year period 1931-80, 422,000 raptors were banded in the United States and Canada. Encounter rates were calculated, by decades of banding, for all birds reported outside of the l0-min block of latitude and longitude where they had been banded. Encounter rates for the various raptor species decreased from...
Aquatic birds and selenium in the San Joaquin Valley
Harry M. Ohlendorf
1986, Book chapter, Selenium and agricultural drainage: Implications for San Francisco Bay and the California environment - Proceedings of the second selenium symposium
Kesterton Reservoir is a series of ponds comprising 1,200 acres sitting in the grasslands of the Kesterton National Wildlife Refuge. It is bounded on the east by the San Luis Drain, a concrete-lined canal that discharges agricultural drainage into the ponds at their southern end, from which point it then...
Use of miniroutes and Breeding Bird Survey data to estimate abundance
C.S. Robbins, B.A. Dowell
1986, Book chapter, Proceedings of the Second Northeastern Breeding Bird Atlas Conference
1. Information on relative abundance is easily obtained and adds greatly to the value of an atlas project. 2. The Breeding Bird Survey (BBS) provides annual counts (birds per 50 roadside stops) that can be used to: (1) map relative abundance by physiographic region within a state or province,...