Organochlorine and metal contaminant exposure and effects in hatching Black-Crowned Night Herons (Nycticorax nycticorax) in Delaware Bay
Barnett A. Rattner, D. J. Hoffman, M. J. Melancon, Glenn H. Olsen, S.R. Schmidt, K.C. Parsons
2000, Archives of Environmental Contamination and Toxicology (39) 38-45
Pea Patch Island in Delaware Bay is the site of the largest heronry north of Florida. From 1989–93, the population of nine species of wading birds numbered approximately 12,000 pairs, but has recently declined to about 7,000 pairs. Because Delaware Bay is a major shipping channel and receives anthropogenic releases...
Simultaneous use of mark-recapture and radiotelemetry to estimate survival, movement, and capture rates
L.A. Powell, M.J. Conroy, J.E. Hines, J.D. Nichols, D.G. Krementz
2000, Journal of Wildlife Management (64) 302-313
Biologists often estimate separate survival and movement rates from radio-telemetry and mark-recapture data from the same study population. We describe a method for combining these data types in a single model to obtain joint, potentially less biased estimates of survival and movement that use all available data. We furnish an...
Effects of lead in nestling black-crowned night-herons (Nycticorax nycticorax) experimentally dosed in the field
N. H. Golden, Barnett A. Rattner, J.B. Cohen, D. J. Hoffman, M. A. Ottinger
2000, Society of Environmental Toxicology and Chemistry, annual meeting abstract book (21) 229 (abstr
Lead is a known environmental toxicant, and poisoning resulting from the ingestion of lead shot has been well-documented in many species of waterfowl. However, much less is known regarding exposure and effects of free environmental lead in species of birds other than waterfowl. In an attempt to evaluate...
Ecotoxicology of wild mammals
Barnett A. Rattner, R.F. Shore
2000, Society of Environmental Toxicology and Chemistry, annual meeting abstract book (21) 43 (abstra
An international group of 32 scientists has critically reviewed the scientific literature on exposure and effects of environmental contaminants in wild mammals. Although the absolute number of toxicological studies in domesticated and wild mammals eclipses that for birds, a detailed examination of scientific publications and databases reveal that information for...
Seventeenth breeding-bird census. 34. Diked wet meadow
C.S. Robbins, G.F. Boyer
2000, Society of Environmental Toxicology and Chemistry, annual meeting abstract book (21) 354-355
Several characteristics of plumage, including color and molt schedule, are influenced by hormonal signals, and hence may be modified by endocrine active contaminants. If so, the functions of plumage (e.g. communication for mating or territorial defense), may be compromised by exposure to such compounds. Polychlorinated biphenyls (PCBs) are...
The Japanese Quail as an avian model for testing endocrine disrupting chemicals: endocrine and behavioral end points
M. A. Ottinger, M.A. Abdelnabi, N. Thompson, J. Wu, K. Henry, E. Humphries, P.F.P. Henry
2000, Society of Environmental Toxicology and Chemistry, annual meeting abstract book (21) 118 (abstr
Birds have extremely varied reproductive strategies. As such, the impact of endocrine disrupting chemicals (EDCs) can greatly differ across avian species. Precocial species, such as Japanese quail appear to be most sensitive to EDC effects during embryonic development, particularly sexual differentiation. A great deal is known about the ontogeny of...
Seventeenth breeding-bird census. 34. Diked wet meadow
M.J. Quinn, M. A. Ottinger, J.B. French Jr.
2000, Society of Environmental Toxicology and Chemistry, annual meeting abstract book (21) 262 (abstr
Several characteristics of plumage, including color and molt schedule, are influenced by hormonal signals, and hence may be modified by endocrine active contaminants. If so, the functions of plumage (e.g. communication for mating or territorial defense), may be compromised by exposure to such compounds. Polychlorinated biphenyls (PCBs) are...
Seismovolcanic signals at Deception Island volcano, Antarctica: Wave field analysis and source modeling
Jesus M. Ibanez, Pezzo E. Del, Javier Almendros, Mario La Rocca, Gerardo Alguacil, Ramon Ortiz, Alicia Garcia
2000, Journal of Geophysical Research: Solid Earth (105) 13905-13931
The seismovolcanic signals associated with the volcanic activity of Deception Island (Antarctica), recorded during three Antarctic summers (1994–1995, 1995–1996 and 1996–1997), are analyzed using a dense small-aperture (500 m) seismic array. The visual and spectral classification of the seismic events shows the existence of long-period and hybrid isolated seismic events,...
Environmental Contaminants and Terrestrial Vertebrates: Effects on Populations, Communities, and Ecosystems
2000, Report
The desire of resource managers, risk assessors, and the general public to better understand the consequences of environmental contamination has produced a strong and growing need for information on the effects of contaminants on populations and groups of species, and over moderate to large areas of land or water....
A removal model for estimating detection probabilities from point-count surveys
G.L. Farnsworth, K. H. Pollock, J.D. Nichols, T.R. Simons, J.E. Hines, J.R. Sauer
2000, Book chapter, Living on the Edge -- Birds 2000: Abstracts
We adapted a removal model to estimate detection probability during point count surveys. The model assumes one factor influencing detection during point counts is the singing frequency of birds. This may be true for surveys recording forest songbirds when most detections are by sound. The model requires counts...
The role of population monitoring in the management of North American waterfowl
J.D. Nichols, B. Kenneth Williams, Fred A. Johnson
2000, Book chapter, Living on the Edge -- Birds 2000: Abstracts
Despite the effort and expense devoted to large-scale monitoring programs, few existing programs have been designed with specific objectives in mind and few permit strong inferences about the dynamics of monitored systems. The waterfowl population monitoring programs of the U.S. Fish and Wildlife Service, Canadian Wildlife Service and state and...
Painted Bunting Breeding Bird Survey trends associated with landscape changes in Georgia and South Carolina
J.M. Meyers
2000, Book chapter, Living on the Edge -- Birds 2000: Abstracts
Landscape changes during the first 3 decades of the Breeding Bird Survey (BBS) may account for the Painted Bunting's declining population trend. In the southeastern U.S., it is estimated that this bunting has declined 3.5 % per year since 1966. I collected landscape data centered on identical 5-stop areas...
Assessing habitat selection in Spring by male American Woodcock in Maine with a geographic information system
K.E. Sprankle, G.F. Sepik, D.G. McAuley, J. R. Longcore
Daniel G. McAuley, John G. Bruggink, Greg F. Sepik, editor(s)
2000, Book chapter, Proceedings of the Ninth American Woodcock Symposium
Geographic information system (GIS) technology was used to identify habitats available to and used by male American woodcock (Scolopax minor) equipped with radio transmitters--54 in 1987, 51 in 1988, 46 in 1989 at Moosehorn National Wildlife Refuge, Maine. Woodcock were monitored from time of capture (25 March-15 April) to...
Modeling the distribution of neotropical birds throughout the Americas
I. Thomas
Lawrence R. Handley, Frank J. D’Erchia, Tammy M. Charron, editor(s)
2000, Book chapter, Extended abstracts from BioGeo99: Applications to geospatial technology to biological sciences
I assessed tbe geographic information system (GIS) model and data layers used to create individual Neotropical bird species distribution maps from habitat data contained in the Ecological and Distributional Databases in 'Neotropical Birds: Ecology and Conservation' by D.F. Stotz, J.W. Fitzpatrick, T.A. Parker Ill, and D.K. Moskovits....
Early avian research at the Savannah River Site, South Carolina: historical highlights and possibilities for the future
J.M. Meyers, E.P. Odum
John B.= Dunning Jr., John C. Kilgo, editor(s)
2000, Book chapter, Avian Research as the Savannah River Site: Model for integrating basic research and long-term management
Avian biology and collection of baseline population data was a major part of the first decade (1951-1961) of field research at the Savannah River Site (SRS). Baseline inventories involving organisms and land-use types were part of the mission in the early contracts between the Atomic Energy Commission (now the...
Approaches for assessment of terrestrial vertebrate responses to contaminants: moving beyond individual organisms
P.H. Albers, G. H. Heinz, R.J. Hall
Peter H. Albers, Gary H. Heinz, Harry M. Ohlendorf, editor(s)
2000, Book chapter, Environmental Contaminants and Terrestrial Vertebrates: Effects on Populations, Communities, and Ecosystems
Conclusions: A need for a broader range ofinformation on effects of contaminants on individuals exists among the 4 classes of terrestrial vertebrates, especially mammals, reptiles, and amphibians. Separation of contaminant effects from other effects and reduction of speculative extrapolation within and among species requires information that can be...
Studying wildlife at local and landscape scales: Bachman's Sparrows at the Savannah River Site
J.B. Dunning Jr., B.J. Danielson, B.D. Watts, L. Liu, D.G. Krementz
John B.= Dunning Jr., John C. Kilgo, editor(s)
2000, Book chapter, Avian Research as the Savannah River Site: Model for integrating basic research and long-term management
In the late 1980s and early 1990s, mutual research interests between land managers at the Savannah River Site and biologists at the University of Georgia resulted in a landscape-ecology study of the Bachman's Sparrow (Aimophila aestivalis). This species had been declining throughout its range for several decades and was...
Releasing captive-reared masked bobwhite for population recovery: A review
S.A. Gall, W.P. Kuvlesky Jr., G. Gee
L.A. Brennan, W.E. Palmer, L.W. Burger Jr., T.L. Pruden, editor(s)
2000, Book chapter, Quail IV: proceedings of the Fourth National Quail Symposium, May 6-9, 1997
Efforts to re-establish the endangered masked bobwhite (Colinus virginianus ridgwayi) to it's former southern Arizona range have been ongoing since establishment of the Buenos Aires National Wildlife Refuge in 1986. Pre-release conditioning techniques developed prior to Refuge establishment continued to be utilized in an effort to improve post-release survival of...
Creating and managing wetland impoundments to provide habitat for aquatic birds
Matthew C. Perry, P. Kangas, H.H. Obrecht III
Francisco A. Comin, Jorge A. Herrera-Silveira, Javier Ramirez-Ramirez, editor(s)
2000, Book chapter, Limnology and aquatic birds, monitoring, modelling and management: Second International Symposium on Limnology and Aquatic Birds, Monitoring, Modelling and Management, Merida, Yucatan, Mexico, November 24-27, 1997
Patuxent Research Refuge, located in Central Maryland (USA), has approximately 140 ha of impoundments that were constructed for recreational and wildlife conservation purposes. Impoundments are of three major designs: dammed ravines, excavated basins, and diked ponds. Over 50 species of wetland plants were transplanted to impoundments of Patuxent...
Monitoring is not enough: on the need for a model-based approach to migratory bird management
J.D. Nichols
Rick Bonney, David N. Pashley, Robert Cooper, Larry Niles, editor(s)
2000, Book chapter, Strategies for Bird Conservation: The Partners in Flight Planning Process. Proceedings of the 3rd Partners in Flight Workshop, Cape May, New Jersey, October 1-5, 1995
Informed management requires information about system state and about effects of potential management actions on system state. Population monitoring can provide the needed information about system state, as well as information that can be used to investigate effects of management actions. Three methods for investigating effects of management...
Establishment of warm season grasses with and without the use of compost soil amendments
Matthew C. Perry, P.C. Osenton, G.A. Gough, E.J.R. Lohnes
2000, Book chapter, Proceedings of the Second Eastern Native Grass Symposium held in Baltimore, Maryland, November 17-19
Two compost materials (COMPRO and LEAFGRO) were evaluated as soil amendments to enhance wildlife habitats, while maintaining optimal floral and faunal biodiversity. Special emphasis was placed on the role of compost in the establishment and retention of native warm season grasses (Andropogon gerardi, Schizachyrium scoparium, and Sorghastrum nutans)....
Monitoring survival rates of landbirds at varying spatial scales: An application of the MAPS Program
D.K. Rosenberg, D.F. DeSante, J.E. Hines
Rick Bonney, David N. Pashley, Robert Cooper, Larry Niles, editor(s)
2000, Book chapter, Strategies for Bird Conservation: The Partners in Flight Planning Process. Proceedings of the 3rd Partners in Flight Workshop, Cape May, New Jersey, October 1-5, 1995
Survivorship is a primary demographic parameter affecting population dynamics, and thus trends in species abundance. The Monitoring Avian Productivity and Survivorship (MAPS) program is a cooperative effort designed to monitor landbird demographic parameters. A principle goal of MAPS is to estimate annual survivorship and identify spatial patterns and...
Population and habitat viability assessments for Golden-cheeked Warblers and Black-capped Vireos: Usefulness to Partners in Flight Conservation Planning
C.J. Beardmore, Jeff S. Hatfield
Rick Bonney, David N. Pashley, Robert Cooper, Larry Niles, editor(s)
2000, Book chapter, Strategies for Bird Conservation: The Partners in Flight Planning Process. Proceedings of the 3rd Partners in Flight Workshop, Cape May, New Jersey, October 1-5, 1995
Golden-cheeked Warblers and Black-capped Vireos are Neotropical migratory birds that are federally listed as endangered. Recovery plans for both species advise the use of viability modeling as a tool for setting specific recovery and management targets. Population and Habitat Viability Assessment workshops were conducted to develop population targets and conservation...
Statistical Approaches to Interpretation of Local, Regional, and National Highway-Runoff and Urban-Stormwater Data
Gary D. Tasker, Gregory E. Granato
2000, Open-File Report 2000-491
Decision makers need viable methods for the interpretation of local, regional, and national-highway runoff and urban-stormwater data including flows, concentrations and loads of chemical constituents and sediment, potential effects on receiving waters, and the potential effectiveness of various best management practices (BMPs). Valid (useful for intended purposes), current, and technically...
Effects of ground-water withdrawals on the Rock River and associated valley aquifer, eastern Rock County, Minnesota
Richard J. Lindgren, M.K. Landon
2000, Water-Resources Investigations Report 99-4157
A better understanding of the ground-water and surface-water resources of the Rock River Valley in southwestern Minnesota was needed due to concerns surrounding future reliable sources of water for public supply. The Rock River Valley aquifer consists of a surficial sand and gravel unit that underlies the entire Rock River...
