Composition of Suspended Load as a Measure of Stream Health
Mary Ann Madej, M.A. Wilzbach, K.W. Cummins, S.J. Hadden, C.C. Ellis
2003, Report
No abstract available at this time...
Wolf social ecology
L. David Mech, Luigi Boitani
L. David Mech, Luigi Boitani, editor(s)
2003, Book chapter, Wolves: Behavior, ecology and conservation
The first real beginning to our understanding of wolf social ecology came from wolf 2204 on 23 May 1972. State depredation control trapper Lawrence Waino, of Duluth, Minnesota, had caught this female wolf 112 km (67 mi) south of where L. D. Mech had radio-collared her in the Superior National...
Examples of recovery of vegetation following disturbance in the Jawbone-Butterbredt Area of Critical Environmental Concern
K.H. Berry
2003, Report
No abstract available at this time...
Predator of nesting waterbirds in an urban environment. Final Report
A. Meckstroth, A.K. Miles
2003, Report
No abstract available at this time...
Climate-change scenarios
Frederic H. Wagner, T.J. Stohlgren, C.K. Baldwin, L.O. Mearns
Frederic H. Wagner, editor(s)
2003, Report, Preparing for a changing climate: The potential consequences of climate variability and change (Rocky Mountain/Great Basin regional climate-change assessment)
Three procedures were used to develop a set of plausible scenarios of anthropogenic climate change by the year 2100 that could be posed to the sectors selected for assessment (Fig. 2.2). First, a workshop of climatologists with expertise in western North American climates was convened from September 10-12, 1998 at...
Classification of lentic habitat for sea lamprey (Petromyzon marinus) larvae using a remote seabed classification device
Michael F. Fodale, Charles R. Bronte, Roger A. Bergstedt, Douglas W. Cuddy, Jean V. Adams
2003, Journal of Great Lakes Research (29) 190-203
Lentic populations of larval sea lampreys (Petromyzon marinus) are suspected of being a major source of recruitment to parasitic stocks in some areas of the Great Lakes, and methods are needed to estimate habitat and population sizes. A deepwater electroshocker has been used to quantitatively assess larval sea lamprey populations...
Impact of past, present, and future fire regimes on North American Mediterranean shrublands
Jon E. Keeley, C. J. Fotheringham
T.T. Veblen, W.L. Baker, G. Montenegro, T.W. Swetnam, editor(s)
2003, Book chapter, Fire and Climatic Change in Temperate Ecosystems of the Western Americas.
No abstract available at this time...
Bats of the piñon-juniper woodlands of southwestern Colorado
Alice L. Chung-MacCoubrey, Michael A. Bogan
Lisa M. Floyd, editor(s)
2003, Book chapter, Ancient piñon-juniper woodlands: A natural history of Mesa Verde country
As one of the most abundant and widespread forest types in the Southwest, piñon-juniper woodlands are used to varying degrees by many bat species (Chung-MacCoubrey 1996; Findley et al. 1975; Hoffmeister 1986; Jones 1965). Because of the uniqueness and rarity of old-growth piñon-juniper, the ancient woodlands of Mesa Verde Country...
Beaver (Castor canadensis)
B.W. Baker, E.P. Hill
G.A. Feldhamer, B.C. Thompson, J.A. Chapman, editor(s)
2003, Book chapter, Wild Mammals of North America: Biology, management, and conservation
No abstract available....
American avocet nesting on constructed islands in North Dakota
A.L. Dahl, Douglas H. Johnson, L.D. Igl, K.L. Baer, M. A. Johnson, R. E. Reynolds
2003, Prairie Naturalist (35) 95-105
Abstract has not been submitted...
Introduction to fire danger rating and remote sensing - Will remote sensing enhance wildland fire danger prediction?
Britta Allgower, J.D. Carlson, Jan W. Van Wagtendonk
Emilio Chuvieco, editor(s)
2003, Series in Remote Sensing 4-1
While ‘Fire Danger’ per se cannot be measured, the physical properties of the biotic and abiotic world that relate to fire occurrence and fire behavior can. Today, increasingly sophisticated Remote Sensing methods are being developed to more accurately detect fuel properties such as species composition (fuel...
Advice for the Secretary of Agriculture about Management of the Giant Sequoia National Monument
Scientific Advisory Board, J.N. Clarke, D.M. Graber, K.M. Nissen, D.D. Piirto, N.L. Stephenson, D.R. Tormey, P.E. Waggoner
2003, Report
No abstract available at this time...
A mining impacted stream: Exposure and effects of lead and other trace elements on tree swallows (Tachycineta bicolor) nesting in the Upper Arkansas River Basin, Colorado
Christine M. Custer, T. W. Custer, A.S. Archuleta, L.C. Coppock, C.D. Swartz, J. W. Bickham
David J. Hoffman, Barnett A. Rattner, G. Allen Burton Jr., John Cairns Jr., editor(s)
2003, Book chapter, Handbook of ecotoxicology, second edition
No abstract available....
Human disruption of element interactions: Drivers, consequences, and trends for the twenty-first century
A.T. Austin, R. W. Howarth, Jill Baron, F. S. Chapin III, T.R. Christensen, E.A. Holland, M.V. Ivanov, A.Y. Lein, L.A. Martinelli, J. M. Melillo, C. Shang
J. M. Melillo, C.B. Field, B. Moldan, editor(s)
2003, Book chapter, Interactions of the major biogeochemical cycles: Global change and human impacts
No abstract available....
An approach for monitoring bird communities to assess development of restored riparian habitat
B.E. Kus, P.P. Beck
P.M. Faber, editor(s)
2003, California Riparian Systems: Process and Floodplain Management, Ecology, and Restoration. 396-406
No abstract available at this time...
Evaluation of the impacts of irrigation ground-water withdrawal on a prairie wetland
N.H. Euliss Jr., D.M. Mushet, G.A. Knutsen
2003, Report
A natural history survey of fens and palustrine wetlands in intermittent drainages of the Little Missouri Grassland
N.H. Euliss Jr., R.R. Tramontano, D.M. Mushet
2003, Report
Toxicology of marine mammals
J.G. Vos, G.D. Bossart, M. Fournier, T. J. O'Shea, editor(s)
2003, Book
No abstract available....
The usefulness of GPS telemetry to study wolf circadian and social activity
Samuel B. Merrill, L. David Mech
2003, Wildlife Society Bulletin (31) 947-960
This study describes circadian and social movement patterns of 9 wolves and illustrates capabilities and limitations of Global Positioning System (GPS) telemetry for analysis of animal activity patterns. Global Positioning System telemetry was useful in determining when pack members were traveling together or apart and how long a breeding female...
Native weeds and exotic plants: relationships to disturbance in mixed grass prairie
D.L. Larson
2003, Plant Ecology (169) 317-333
The paper compares distributions of native weedy species and exotic species with respect to three kinds of disturbance, roads, trails, and prairie dog towns. Data were collected at the north and south units of Theodore Roosevelt National Park and at Wind Cave National Park. The paper concludes that many exotic...
Assessing chick growth from a single visit to a seabird colony
J. Benson, R.M. Suryan, John F. Piatt
2003, Marine Ornithology: Journal of Seabird Research and Conservation (31) 181-184
We tested an approach to the collection of seabird chick growth data that utilizes a one-time sampling of chick measurements obtained during a single visit to a seabird colony. We assessed the development of Black-legged Kittiwake Rissa tridactyla chicks from a sample of measurements made on a single day during...
Homerange and movements of boreal toads in undisturbed habitats
E. Muths
2003, Copeia (2003) 160-165
Comparison is made of the population of ospreys in Cape May County, N.J., in the late 1930's with that in 1963, and with a population of these birds at Tilghman Island, Maryland. Production of young per nest in the 1930's compares favorably with the production of young in the populations...
Sarcocysts of an unidentified species of Sarcocystis in the sea otter (Enhydra lutris)
J. P. Dubey, D. S. Lindsay, B.M. Rosenthal, N. J. Thomas
2003, Journal of Parasitology (89) 397-399
The number of Sarcocystis species that infect sea otters (Enhydra lutris) is unknown. Sea otter tissues were recently shown to harbor sarcocysts of S. neurona and of unidentified species of Sarcocystis. Whereas sarcocysts of S. neurona have walls 1–3 μm thick with type 9 villar protrusions, ultrastructure...
A survey of estuarine submerged aquatic vegetation in the northern Gulf coast
J. Carter
2003, National Wetlands Newsletter (25) 9-10, 26
The status of submerged aquatic vegetation along the northern Gulf of Mexico is of concern because of its role in the ecology and economy of the coast. Recent studies by U.S. Geological Survey scientists help assess the factors that contribute to SAV distribution and health....
Bat inventory of the Point Loma Peninsula Including the Cabrillo National Monument
D.C. Stokes, C.S. Brehme, Robert N. Fisher
2003, Report
No abstract available at this time...
