Description of nests, eggs, and nestlings of the endangered nightingale reed-warbler on Saipan, Micronesia
Stephen M. Mosher, Steven G. Fancy
2002, The Wilson Bulletin (114) 1-10
We describe the first verified nests, eggs, and nestlings of the Nightingale Reed-Warbler (Acrocephalus luscinia), an endangered species endemic to the Mariana Islands, Micronesia. Nest composition, nest dimensions, and eggs were studied on the island of Saipan. Nests were located within three habitat types: upland introduced tangantangan (Leucaena...
New Publications of the U.S. Geological Survey, April-June 2002
Water Resources Division, U.S. Geological Survey
2002, Report
A list of USGS publications and articles by U.S. Geological Survey personnel in non-U.S. Geological Survey journals and books that were published in April to June of the year 2002....
Impact of selenium and other trace elements on the endangered adult razorback sucker
Steven J. Hamilton, Kathy M. Holley, Kevin J. Buhl, Fern A. Bullard, L. Ken Weston, Susan F. McDonald
2002, Environmental Toxicology (17) 297-323
A study was conducted with endangered the razorback sucker (Xyrauchen texanus) to determine if environmental exposure to selenium in flooded bottomland sites affected survival, growth, and egg-hatching success. Adults were stocked at three sites adjacent to the Colorado River near Grand Junction, Colorado, in July 1996: hatchery ponds at Horsethief...
Parasites and marine invasions
M.E. Torchin, K. D. Lafferty, A. M. Kuris
2002, Parasitology (124) 137-151
Introduced marine species are a major environmental and economic problem. The rate of these biological invasions has substantially increased in recent years due to the globalization of the world's economies. The damage caused by invasive species is often a result of the higher densities and larger sizes they attain compared...
Stable carbon and nitrogen isotope composition of aquatic and terrestrial plants of the San Francisco Bay estuarine system
J. E. Cloern, E. A. Canuel, D. Harris
2002, Limnology and Oceanography (47) 713-729
We report measurements of seasonal variability in the C‐N stable isotope ratios of plants collected across the habitat mosaic of San Francisco Bay, its marshes, and its tributary river system. Analyses of 868 plant samples were binned into 10 groups (e.g., terrestrial riparian, freshwater phytoplankton, salt marsh)...
Regional estimates of radiated seismic energy
J. Boatwright, G. L. Choy, L. C. Seekins
2002, Bulletin of the Seismological Society of America (92) 1241-1255
We revise the spectral technique for estimating radiated energy from recordings of large earthquakes at regional distances (Δ < 200 km) by correcting for geometric spreading and for site amplification as explicit functions of frequency. We analyze 65 recordings of the 1999 Hector Mine earthquake as functions of frequency, distance,...
To sell or not sell: Assessments of Bangladesh hydrocarbons
Robert C. Milici, Peter D. Warwick, Emil D. Attanasi, Craig J. Wandrey
2002, Oil & Gas Journal (100) 24-28
A decision by the government of Bangladesh to sell or not sell some of its natural gas reserves to neighboring countries in South Asia will be important in determining the economic future of Bangladesh, a country with an area about equal to Wisconsin.Bangladesh is a country of 150 million people,...
Environmental contaminants in prey and tissues of the peregrine falcon in the Big Bend Region, Texas, USA.
M. Mora, R. Skiles, B. McKinney, M. Paredes, D. Buckler, D. Papoulias, D. Klein
2002, Environmental Pollution (116) 169-176
Peregrine falcons (Falco peregrinus) have been recorded nesting in Big Bend National Park, Texas, USA and other areas of the Chihuahuan Desert since the early 1900s. From 1993 to 1996, peregrine falcon productivity rates were very low and coincided with periods of low rainfall. However, low productivity also was suspected...
Weak trophic interactions among birds, insects and white oak saplings (Quercus alba)
J.S. Lichtenberg, D.A. Lichtenberg
2002, American Midland Naturalist (148) 338-349
We examined the interactions among insectivorous birds, arthropods and white oak saplings (Quercus alba L.) in a temperate deciduous forest under 'open' and 'closed' canopy environments. For 2 y, we compared arthropod densities, leaf damage and sapling growth. Saplings from each canopy environment were assigned to one of four treatments:...
Predation by Oregon spotted frogs (Rana pretiosa) on Western toads (Bufo boreas) in Oregon, USA
Christopher A. Pearl, M.P. Hayes
2002, American Midland Naturalist (147) 145-152
Toads of the genus Bufo co-occur with true frogs (family Ranidae) throughout their North American ranges. Yet, Bufo are rarely reported as prey for ranid frogs, perhaps due to dermal toxins that afford them protection from some predators. We report field observations from four different localities demonstrating that Oregon spotted...
Influence of topography on density of grassland passerines in pastures
R.B. Renfrew, C. A. Ribic
2002, American Midland Naturalist (147) 315-325
Pastures provide substantial habitat for grassland birds of management concern in the Driftless Area of southwestern Wisconsin. The rolling topography in this region is characterized by lowland valleys surrounded by relatively steep and often wooded slopes which are set apart from more expansive treeless uplands. We hypothesized that there would...
Comparison of the hydrogeology and water quality of a ground-water augmented lake with two non-augmented lakes in northwest Hillsborough County, Florida
Patricia A. Metz, Laura A. Sacks
2002, Water-Resources Investigations Report 2002-4032
The hydrologic effects associated with augmenting a lake with ground water from the Upper Floridan aquifer were examined in northwest Hillsborough County, Florida, from June 1996 through May 1999. The hydrogeology, ground-water flow patterns, water budgets, and water-quality characteristics were compared between a lake that has been augmented for more...
Tidal and meteorological influences on shallow marine groundwater flow in the upper Florida Keys
Christopher D. Reich, Eugene A. Shinn, Todd D. Hickey, Ann B. Tihansky
2002, Book chapter, The Everglades, Florida Bay, and coral reefs of the Florida Keys: an ecosystem sourcebook
No abstract available....
Effects of vegetation management in constructed wetland treatment cells on water quality and mosquito production
Joan S. Thullen, James J. Sartoris, W. E. Walton
2002, Ecological Engineering (18) 441-457
The impact of three vegetation management strategies on wetland treatment function and mosquito production was assessed in eight free water surface wetland test cells in southern California during 1998–1999. The effectiveness of the strategies to limit bulrush Schoenoplectus californicus culm density within the cells was also investigated. Removing...
Preface: Proceedings of the seventh international symposium on the biology and management of corigonid fishes
Thomas Todd, Guy Fleischer
2002, Book chapter, Biology and management of corigonid fishes
This volume is the proceedings of the Seventh International Symposium on the Biology and Management of Coregonid Fishes (ISBMCF). As in all six preceding symposia, the seventh meeting of the ISBMCF provided an international forum for the scientific review and discussion of the various taxonomic, biological, ecological, and management issues...
Impacts of aquatic nonindigenous invasive species on the Lake Erie ecosystem
Madeline J.W. Austen, Jan J.H. Ciborowski, Lynda D. Corkum, Tim B. Johnson, Hugh J. MacIsaac, Janice L. Metcalfe-Smith, Donald W. Schloesser, Sandra E. George
2002, Conference Paper, Proceedings of the 11th International Conference on Aquatic Invasive Species
Lake Erie is particularly vulnerable to the introduction and establishment of aquatic nonindigenous invasive species (NIS) populations. A minimum of 144 aquatic NIS have been recorded in the Lake Erie basin including several species [e.g., Eurasian watermilfoil (Myriophyllum spicatum); zebra mussel (Dreissena polymorpha); quagga mussel (Dreissena bugensis); an amphipod (Echinogammarus...
Survival of Columbian white-tailed deer in western Oregon
Mark A. Ricca, Robert G. Anthony, Dewaine H. Jackson, Scott A. Wolfe
2002, Journal of Wildlife Management (66) 1255-1266
Columbian white-tailed deer (Odocoileus virginianus leucurus; CWTD) are an endangered subspecies on which little demographic information exists. We determined survival rates and causes of mortality for 64 radiocol- lared adults from 1996 to 1998, and for 63 radiocollared neonatal fawns during the summer and fall months of 1996-2001 in Douglas...
Epidemiological investigation of infectious hematopoietic necrosis virus in salt water net-pen reared Atlantic salmon in British Columbia, Canada
Sophie St-Hilaire, Carl S. Ribble, Craig Stephen, Eric Anderson, Gael Kurath, Michael L. Kent
2002, Aquaculture (212) 49-67
An epidemiological study of infectious hematopoietic necrosis viral disease (IHN) in farmed Atlantic salmon in British Columbia was conducted to better understand the management of this disease. The study consisted of a descriptive retrospective investigation of 18 IHN outbreaks on farms between 1992 and 1996, and a prospective surveillance...
Rocky Mountain futures: An ecological perspective
Jill Baron, editor(s)
2002, Book
The Rocky Mountain West is largely arid and steep, with ecological scars from past human use visible for hundreds of years. Just how damaging were the past 150 years of activity? How do current rates of disturbance compare with past mining, grazing, and water diversion activities? In the face of...
The impact of buffer strips and stream-side grazing on small mammals in southwestern Wisconsin
Erik W. Chapman, C. A. Ribic
2002, Agriculture, Ecosystems and Environment (88) 49-59
The practice of continuously grazing cattle along streams has caused extensive degradation of riparian habitats. Buffer strips and managed intensive rotational grazing (MIRG) have been proposed to protect and restore stream ecosystems in Wisconsin. However, the ecological implications of a switch from traditional livestock management to MIRG or buffer strip...
Comparison of subyearling fall chinook salmon's use of riprap revetments and unaltered habitats in Lake Wallula of the Columbia river
R.D. Garland, K.F. Tiffan, D.W. Rondorf, L.O. Clark
2002, North American Journal of Fisheries Management (22) 1283-1289
Subyearling fall chinook salmon's Oncorhynchus tshawytscha use of unaltered and riprap habitats in Lake Wallula of the Columbia River was determined with point abundance data collected by electrofishing in May 1994 and 1995. We documented the presence or absence of subyearlings at 277 sample sites and collected physical habitat information...
Feeding habits of the endangered Ozark big-eared bat (Corynorhinus townsendii ingens) relative to prey abundance
David M. Leslie Jr., B.S. Clark
2002, Acta Chiropterologica (4) 173-182
Feeding habits of the endangered Ozark big-cared bat (Corynorhinus townsendii ingens) in eastern Oklahoma, USA, were studied from July 1987 through July 1988. Diets were determined from microscopic analysis of fecal pellets and compared with arthropods collected in Malaise traps. Although lepidopterans comprised only 21.5% of the available prey, they...
Distribution, abundance and habitat use of American White Pelicans in the Delta Region of Mississippi and along the Western Gulf of Mexico Coast
D.T. King, T.C. Michot
2002, Waterbirds (25) 410-416
Aerial surveys of American White Pelicans (Pelecanus erythrorhynchos) were conducted over coastal Louisiana and the delta region of Mississippi on 1-2 days during December, February, and April each year from 1997 to 1999. Additional surveys were conducted in coastal Texas and Mexico during January 1998 and 1999. The numbers,...
Modelling postfledging survival and age- specific breeding probabilities in species with delayed maturity: A case study of Roseate Terns at Falkner Island, Connecticut
J. A. Spendelow, J.D. Nichols, J.E. Hines, J.D. Lebreton, R. Pradel
2002, Journal of Applied Statistics (29) 385-405
We modelled postfledging survival and age-specific breeding probabilities in endangered Roseate Terns (Sterna dougallii) at Falkner Island, Connecticut, USA using capture-recapture data from 1988-1998 of birds ringed as chicks and as adults. While no individuals bred as 2-year-olds during this period, about three-quarters of the young that survived and returned...
Natural history notes: Elaphe obsoleta obsoleta (Black rat snake). Predation
Kimberly G. Smith, J. L. Waldron, William J. Barichivich
2002, Herpetological Review (33) 213-214
No abstract available....
