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Page 2518, results 62926 - 62950

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Reach-scale effects of riparian forest cover on urban stream ecosystems
A.H. Roy, C.L. Faust, Mary C. Freeman, J.L. Meyer
2005, Canadian Journal of Fisheries and Aquatic Sciences (62) 2312-2329
We compared habitat and biota between paired open and forested reaches within five small streams (basin area 10?20 km2) in suburban catchments (9%?49% urban land cover) in the Piedmont of Georgia, USA. Stream reaches with open canopies were narrower than forested reaches (4.1 versus 5.0 m, respectively). There...
Vulnerability of northern prairie wetlands to climate change
W. Carter Johnson, Bruce Millett, Tagir Gilmanov, Richard A. Voldseth, Glenn R. Guntenspergen, David E. Naugle
2005, BioScience (55) 863-872
The prairie pothole region (PPR) lies in the heart of North America and contains millions of glacially formed, depressional wetlands embedded in a landscape matrix of natural grassland and agriculture. These wetlands provide valuable ecosystem services and produce 50% to 80% of the continent's ducks. We explored the...
Current range of the eastern population of Painted Bunting (Passerina ciris). Part 1: Breeding
P.W. Sykes Jr., S. Holzman
2005, North American Birds (59) 4-17
This paper presents the current breeding range of Painted Bunting (Passerina ciris) in a series of maps and a narrative, in particular that of the eastern population, which is restricted to the states of North Carolina, South Carolina, Georgia, and Florida. Some conservation measures are recommended to protect this...
Multi-stage sampling for large scale natural resources surveys: A case study of rice and waterfowl
Joshua D. Stafford, Kenneth J. Reinecke, Richard M. Kaminski, Patrick D. Gerard
2005, Journal of Environmental Management (78) 353-361
Large-scale sample surveys to estimate abundance and distribution of organisms and their habitats are increasingly important in ecological studies. Multi-stage sampling (MSS) is especially suited to large-scale surveys because of the natural clustering of resources. To illustrate an application, we: (1) designed a stratified MSS to estimate late autumn abundance...
Sex ratio and early growth patterns of Roseate Tern chicks during five breeding seasons at Falkner Island, Connecticut, USA
Patricia Szczys, Jeffrey A. Spendelow, Ian C. T. Nisbet
2005, Waterbirds (28) 273-279
Roseate Tern (Sterna dougallii) nests were monitored at Falkner Island, Connecticut, USA between 1998 and 2002. A total of 586 chicks were sexed and their growth measured during the first three days. These data were used to derive growth parameters and predict survival to fledging with high confidence. In...
Atlantic Flyway review: Region IV, Piedmont-Coastal Plain, Fall 2004
Chandler S. Robbins
2005, North American Bird Bander (30) 85-90
July, August, and September were cool and wet in the Southeast, with multiple hurricanes threatening the banding stations. Banding results ranged from poor in Laurel and Chincoteague to excellent at Chino Farms, Kiptopeke, Jekyll Island, and the Florida stations. There was little agreement on peak migration days, which ranged from...
Commentary on the type material of Tantilla gracilis Baird and Girard, 1853 and Tantilla nigriceps Kennicott, 1860 (Reptilia: Squamata), with a neotype designation for T. nigriceps
S.W. Gotte, L.D. Wilson
2005, Proceedings of the Biological Society of Washington (118) 596-604
We demonstrate that USNM 2040 and not UMMZ 3781 (originally part of lot USNM 4500) was most likely the holotype of Tantilla gracilis. The type specimens of Tantilla nigriceps have been lost or destroyed. It is not possible to determine from the original description of Tantilla nigriceps if this...
Skeletal morphology of the forefoot in shrews (Mammalia: Soricidae) of the genus Cryptotis, as revealed by digital x-rays
Neal Woodman, J. P. J. Morgan
2005, Journal of Morphology (266) 60-73
Variation in the forefoot skeleton of small-eared shrews (family Soricidae, genus Cryptotis) has been previously documented, but the paucity of available skeletons for most taxa makes assessment of the degrees of intraspecific and interspecific variation difficult. We used a digital X-ray system to extract images of the forefoot skeleton from 101...
Modeling avian abundance from replicated counts using binomial mixture models
Marc Kery, J. Andrew Royle, Hans Schmid
2005, Ecological Applications (15) 1450-1461
Abundance estimation in ecology is usually accomplished by capture–recapture, removal, or distance sampling methods. These may be hard to implement at large spatial scales. In contrast, binomial mixture models enable abundance estimation without individual identification, based simply on temporally and spatially replicated counts. Here, we evaluate mixture models using data...
Investigating hydrologic alteration as a mechanism of fish assemblage shifts in urbanizing streams
A.H. Roy, Mary C. Freeman, B. J. Freeman, S.J. Wenger, W.E. Ensign, J.L. Meyer
2005, Journal of the North American Benthological Society (24) 656-678
Stream biota in urban and suburban settings are thought to be impaired by altered hydrology; however, it is unknown what aspects of the hydrograph alter fish assemblage structure and which fishes are most vulnerable to hydrologic alterations in small streams. We quantified hydrologic variables and fish assemblages in 30 small...
Comparative demography of new world populations of thrushes (Turdus spp.): Comment
Paul B. Conn, Paul F. Doherty Jr., James D. Nichols
2005, Ecology (86) 2536-2541
Survival and fecundity are fundamental to the study of evolutionary ecology, as they are two of the key variables influencing the constrained optimization process we call natural selection. Likewise, population managers require accurate estimates of these parameters; along with dispersal, they govern population dynamics (Lack 1954) and...
A comparison of campfire impacts and policies in seven protected areas
S. E. Reid, Jeffrey L. Marion
2005, Environmental Management (36) 48-58
Using resource-monitoring data from seven protected areas, the effectiveness of three campfire policies—campfire ban, designated campfires, and unregulated campfires—were assessed based on the number of fire sites and the amount of tree damage. Results indicate that unregulated campfire policies permitted substantial numbers of fire sites and tree damage in campsites,...
Fall rice straw management and winter flooding treatment effects on a subsequent soybean crop
M. M. Anders, T. E. Windham, R. W. McNew, Kenneth J. Reinecke
2005, Journal of Sustainable Agriculture (26) 83-96
The effects of fall rice (Oryza sativa L.) straw management and winter flooding on the yield and profitability of subsequent irrigated and dryland soybean [Glycine max (L.) Merr.] crops were studied for 3 years. Rice straw treatments consisted of disking, rolling, or standing stubble. Winter flooding treatments consisted of maintaining a minimum...
Forty-sixth supplement to the American Ornithologists' Union Check-list of North American Birds
R.C. Banks, C. Cicero, J.L. Dunn, A.W. Kratter, P.C. Rasmussen, J.V. Remsen, J.D. Rising, D.F. Stotz
2005, The Auk (122) 1026-1031
This is the fifth Supplement since publication of the 7th edition of the Check-list of North American Birds (American Ornithologists' Union [AOU] 1998). It summarizes decisions made by the AOU's Committee on Classification and Nomenclature between 1 January and 31 December 2004....
The effects of captive rearing on the behavior of newly-released whooping cranes (Grus americana)
M.D. Kreger, Jeff S. Hatfield, I. Estevez, G.F. Gee, D.A. Clugston
2005, Applied Animal Behaviour Science (93) 165-178
Rearing treatments used in captivity to prepare animals for reintroduction to the wild may have a profound effect on behavior and, possibly, affect their survival after reintroduction. This study examined the behaviors of captive-reared whooping cranes (Grus americana) upon their release in Florida to determine if rearing treatments may affect...
A curious pellet from a great horned owl (Bubo virginianus)
N. Woodman, C.J. Dove, S.C. Peurach
2005, Northeastern Naturalist (12) 127-132
One of the traditional methods of determining the dietary preferences of owls relies upon the identification of bony remains of prey contained in regurgitated pellets. Discovery of a pellet containing a large, complete primary feather from an adult, male Ring-necked Pheasant (Phasianus colchicus) prompted us to examine in detail...
Fine-scale spatial variation in plant species richness and its relationship to environmental conditions in coastal marshlands
J.E. Mancera, G.C. Meche, P.P. Cardona-Olarte, E. Castaneda-Moya, R.L. Chiasson, N.A. Geddes, L.M. Schile, H.G. Wang, G.R. Guntenspergen, J.B. Grace
2005, Plant Ecology (178) 39-50
Previous studies have shown that variations in environmental conditions play a major role in explaining variations in plant species richness at community and landscape scales. In this study, we considered the degree to which fine-scale spatial variations in richness could be related to fine-scale variations in abiotic and biotic factors....
Potential impact of Dare County landfills on Alligator River National Wildlife Refuge
Parley V. Winger, Peter J. Lasier, Tom Augspurger
2005, Integrated Environmental Assessment and Management (1) 267-282
Runoff of leachate from East Lake and Dare County Construction and Demolition Debris landfills has the potential to impact wildlife resources at Alligator River National Wildlife Refuge, Dare and Hyde Counties, North Carolina. Sediment quality of samples collected in August 2000 at 14 locations down-gradient from the landfills was assessed...
Use of radio-telemetry to reduce bias in nest searching
Larkin A. Powell, J. D. Lang, David G. Krementz, Michael J. Conroy
2005, Journal of Field Ornithology (76) 274-278
We used traditional searching, as well as radio-telemetry, to find 125 Wood Thrush (Hylocichla mustelina) nests during 1994–1996 at the Piedmont National Wildlife Refuge in Georgia, USA. We compared daily nest survival rates for 66 nests of radio-marked birds with 59 nests of birds found through systematic searching. By...
A simple, inexpensive video camera setup for the study of avian nest activity
J. B. Sabine, J. Michael Meyers, Sara H. Schweitzer
2005, Journal of Field Ornithology (76) 293-297
Time-lapse video photography has become a valuable tool for collecting data on avian nest activity and depredation; however, commercially available systems are expensive (>USA $4000/unit). We designed an inexpensive system to identify causes of nest failure of American Oystercatchers (Haematopus palliatus) and assessed its utility at Cumberland Island National...