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Articles 31 - 60 of 118
Full-Text Articles in Entire DC Network
Spectator 1996-05-16, Editors Of The Spectator
Faculty Newsnotes 1996 No. 289, Office Of The Provost
Faculty Newsnotes 1996 No. 289, Office Of The Provost
Faculty Newsnotes (1972-2010)
No abstract provided.
The Mayfly Newsletter, Peter M. Grant
The Mayfly Newsletter, Peter M. Grant
The Mayfly Newsletter
The Mayfly Newsletter is the official newsletter of the Permanent Committee of the International Conferences on Ephemeroptera.
The Influence Of Forest Fragmentation And Landscape Pattern On American Martens And Their Prey, Christina D. Hargis
The Influence Of Forest Fragmentation And Landscape Pattern On American Martens And Their Prey, Christina D. Hargis
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Habitat fragmentation occurs when large tracts of an orginal habitat are replaced by smaller patches of two or more habitat types, largely through human activities. I studied the behavior of six measures of landscape pattern that seemed appropriate for quantifying fragmentation, and used these measures to investigate the effects of forest fragmentation on American martens (Martes americana) and their prey. The measures I selected were edge density, contagion, mean nearest neighbor distance between patches, mean proximity index, perimeter-area fractal dimension, and mass fractal dimension. To test the behavior of these measures with a variety of landscape patterns, I …
Thermal Tolerances Of Platte River Fishes: Field And Laboratory Studies, Brett P. Fessell
Thermal Tolerances Of Platte River Fishes: Field And Laboratory Studies, Brett P. Fessell
School of Natural Resources: Dissertations, Theses, and Student Research
No abstract provided.
Quantification Of Landscape Structure Within The Land Condition-Trend Analysis Monitoring Program At Camp Williams, Utah, Lorraine Munguia
Quantification Of Landscape Structure Within The Land Condition-Trend Analysis Monitoring Program At Camp Williams, Utah, Lorraine Munguia
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
The Land Condition-Trend Analysis (LCTA) program was developed by the U.S. Army to assist in the sustainable management of natural resources on U.S. Army lands. The LCTA program applies a standardized procedure in order to select long-term monitoring sites. The LCTA monitoring program was applied to Camp Williams, a National Army Guard training site located in central Utah. Due to the criteria set by the LCTA monitoring program, 61 percent of Camp Williams was explicitly excluded from the LCTA monitoring protocol because it appeared to be more heterogeneous, which would make it difficult to locate monitoring sites in the field. …
Growth Responses Of Great Basin Plant Species To Variation In Nitrogen Availability, Carol J. Bilbrough
Growth Responses Of Great Basin Plant Species To Variation In Nitrogen Availability, Carol J. Bilbrough
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
For this dissertation, I examined the ability of field-grown plants to capture N presented in enriched patches or in whole-plant pulses. I assessed root proliferation in N-enriched patches when Agropyron desertorum plants had been previously fertilized or shaded. All plants responded with increased root growth rates in N-enriched patches. However, root proliferation by shaded plants was 50% less than unshaded plants. Unexpectedly, plants with higher N status had greater root growth rates in enriched patches than plants that had not received N supplement. I concluded that plants already under competitive pressure above ground for light and below ground for nutrients …
Summer Nocturnal Roost Sites Of Blue Grouse In Northeastern Oregon, Kenneth J. Popper, Eric C. Pelren, John A. Crawford
Summer Nocturnal Roost Sites Of Blue Grouse In Northeastern Oregon, Kenneth J. Popper, Eric C. Pelren, John A. Crawford
Great Basin Naturalist
No abstract provided.
Geographical Review Of The Historical And Current Status Of Ospreys (Pandion Haliaetus) In Utah, Clark S. Monson
Geographical Review Of The Historical And Current Status Of Ospreys (Pandion Haliaetus) In Utah, Clark S. Monson
Great Basin Naturalist
Small numbers of Ospreys (Pandion haliaetus) are known to have nested historically in Utah. A precise baseline figure is unavailable, but the 19th-century Osprey population in Utah probably consisted of at least 15 breeding pairs scattered in 4 geographic regions. Human persecution is believed to have caused the abandonment of nesting territories along the Wasatch Front and in the western Uinta Mountains by 1900 and 1960, respectively. Osprey populations in the southern plateaus and Green River areas, however, began increasing in the late 1970s. Several recent nesting attempts and numerous summer sightings at nontraditional and abandoned historical sites …
Pogonomyrmex Owyheei Nest Site Density And Size On A Minimally Impacted Site In Central Oregon, Peter T. Soulé, Paul A. Knapp
Pogonomyrmex Owyheei Nest Site Density And Size On A Minimally Impacted Site In Central Oregon, Peter T. Soulé, Paul A. Knapp
Great Basin Naturalist
Little is known about the basic characteristics of the western harvester ant (Pogonomyrmex owyheei) in the absence of anthropogenic disturbances. We examined the role of P. owyheei as an agent of disturbance in an area of semiarid vegetation in central Oregon known as the Horse Ridge Research Natural Area (HRRNA) that has been largely free of livestock grazing and other significant anthropogenic influences for over 23 yr. We determined density and size characteristics of nest sites and estimate total area cleared by P. owyheei activities on HRRNA. From random sampling of twenty-five 0.04-ha plots we found a mean …
Spectator 1996-04-18, Editors Of The Spectator
The Emperor Goose: An Annotated Bibliography, Robert F. Rockwell, Margaret R. Petersen, Joel A. Schmutz
The Emperor Goose: An Annotated Bibliography, Robert F. Rockwell, Margaret R. Petersen, Joel A. Schmutz
Biological Papers of the University of Alaska
This bibliography contains more than 500 published and unpublished references relevant to the emperor goose (Chen canagica). The referenced works date from the early exploration of Beringia and Alaska through the formal description of the species in 1802 to 1993.
Seasonal Diets Of Mink And Martens: Effects Of Spatial And Temporal Changes In Resource Abundance, Merav Ben-David
Seasonal Diets Of Mink And Martens: Effects Of Spatial And Temporal Changes In Resource Abundance, Merav Ben-David
Theses (Unassigned)
Seasonal changes in food availability and feeding habits of mink (Mustela vison) and martens (Martes americana) on Chichagof Island, Southeast Alaska, were studied through the analysis of natural abundance of stable isotopes. Dependence of the two species on marine-derived nutrients, carried to the terrestrial system via the upstream migration of spawning Pacific salmon (Onchorhynchus sp.), was investigated. Twenty-four mink and 75 martens were live-trapped repeatedly in early summer (prior to salmon runs), early autumn (post salmon runs), late winter, and in spring (during the mating season). A blood sample was obtained from each individual. In addition, 25 mink and 165 …
Methods Used To Improve Least Tern And Snowy Plover Nesting Success On Alkaline Flats, Marcus T. Koenen, Russell B. Utych, David M. Leslie Jr.
Methods Used To Improve Least Tern And Snowy Plover Nesting Success On Alkaline Flats, Marcus T. Koenen, Russell B. Utych, David M. Leslie Jr.
Journal of Field Ornithology
No abstract provided.
Removal Of Old Nest Material From The Nesting Sites Of House Wrens: Effects On Nest Site Attractiveness And Ectoparasite Loads, L. Scott Johnson
Removal Of Old Nest Material From The Nesting Sites Of House Wrens: Effects On Nest Site Attractiveness And Ectoparasite Loads, L. Scott Johnson
Journal of Field Ornithology
No abstract provided.
The Law Of Sustainable Development, Nicholas A. Robinson
The Law Of Sustainable Development, Nicholas A. Robinson
Pace Environmental Law Review
No abstract provided.
Ecological Studies Of Wolves On Isle Royale, 1995-1996, Rolf O. Peterson
Ecological Studies Of Wolves On Isle Royale, 1995-1996, Rolf O. Peterson
Ecological Studies of Wolves on Isle Royale
Annual Report 1995-1996
Heterosexual Women Arrested For Domestic Violence: Practice Guidelines For Assessment And Treatment Planning, Michele R. Braley
Heterosexual Women Arrested For Domestic Violence: Practice Guidelines For Assessment And Treatment Planning, Michele R. Braley
Theses and Graduate Projects
Heterosexual women arrested for violence are often referred to supportive services similar to those provided for battered women although there is limited documentation to justify similar treatment. The results of a questionnaire mailed to 20 practitioners and researchers form the basis for practice guidelines to standardize assessment and treatment planning for heterosexual women arrested for domestic violence. The emphasis of the practice guidelines is on the complex assessment and intervention decisions that arise when a woman has been arrested for using violence in self-defense. Practice guidelines will assist practitioners in justifying decisions about interventions for women arrested for violence against …
Book Notices
Insecta Mundi
A considerable number of books have been published since our last issue. We have not asked specialists to write formal reviews of these titles. Instead, we have listed them here, with short descriptions. Reviews may be published in later issues, depending on space and available reviewers.
Use, Interpretation, And Implications Of Demographic Analyses Of Northern Spotted Owl Populations, Martin G. Raphael, Robert G. Anthony, Stephen Destefano, Eric D. Forsman, Alan B. Franklin, Richard Holthausen, E. Charles Meslow, Barry R. Noon
Use, Interpretation, And Implications Of Demographic Analyses Of Northern Spotted Owl Populations, Martin G. Raphael, Robert G. Anthony, Stephen Destefano, Eric D. Forsman, Alan B. Franklin, Richard Holthausen, E. Charles Meslow, Barry R. Noon
Studies in Avian Biology
No abstract provided.
The Three Hundred And Thirty-Third Report Of The Curricular Affairs Committee: Proposal For A Bachelor Of Science Degree In Environmental Plant Biology, University Of Rhode Island Faculty Senate
The Three Hundred And Thirty-Third Report Of The Curricular Affairs Committee: Proposal For A Bachelor Of Science Degree In Environmental Plant Biology, University Of Rhode Island Faculty Senate
Faculty Senate Bills
No abstract provided.
Nesting Habits Of The Loggerhead Shrike In Sagebrush, Christopher P. Woods, Tom J. Cade
Nesting Habits Of The Loggerhead Shrike In Sagebrush, Christopher P. Woods, Tom J. Cade
Condor
No abstract provided.
Old Nest Material In Nestboxes Of Tree Swallows: Effects On Reproductive Success, Wallace B. Rendell, Nicolaas A. Verbeek
Old Nest Material In Nestboxes Of Tree Swallows: Effects On Reproductive Success, Wallace B. Rendell, Nicolaas A. Verbeek
Condor
No abstract provided.
Century-Scale Paleoclimatic Reconstruction From Moon Lake, A Closed-Basin Lake In The Northern Great Plains, Kathleen R. Laird, Sherilyn C. Fritz, Eric C. Grimm, Pietra G. Mueller
Century-Scale Paleoclimatic Reconstruction From Moon Lake, A Closed-Basin Lake In The Northern Great Plains, Kathleen R. Laird, Sherilyn C. Fritz, Eric C. Grimm, Pietra G. Mueller
Department of Earth and Atmospheric Sciences: Faculty Publications
Estimates of past lake-water salinity from fossil diatom assemblages were used to infer past climatic conditions at Moon Lake, a climatically sensitive site in the northern Great Plains. A good correspondence between diatom-inferred salinity and historical records of mean annual precipitation minus evapotranspiration (P - ET) strongly suggests that the sedimentary record from Moon Lake can be used to reconstruct past climatic conditions. Century-scale analysis of the Holocene diatom record indicates four major hydrological periods: an early Holocene transition from an open freshwater system to a closed saline system by 7300 B.P., which corresponds with a transition from spruce forest …
Trachytes Kaliszewskii, N. Sp. (Acari: Uropodina), From The Great Basin (Utah, Usa), With Remarks On The Habitats And Distribution Of The Members Of The Genus Trachytes, Jerzy Błoszyk, Paweł Szymkowiak
Trachytes Kaliszewskii, N. Sp. (Acari: Uropodina), From The Great Basin (Utah, Usa), With Remarks On The Habitats And Distribution Of The Members Of The Genus Trachytes, Jerzy Błoszyk, Paweł Szymkowiak
Great Basin Naturalist
Trachytes kaliszewskii, n. sp., is described from the Great Basin, Utah, USA. SEM photography illustrates morphological detail. An annotated list is included of currently recognized species of the genus Trachytes, with comments on their distribution and habitat characteristics.
Temporal And Spatial Distribution Of Highway Mortality Of Mule Deer On Newly Constructed Roads At Jordanelle Reservoir, Utah, Laura A. Romin, John A. Bissonette
Temporal And Spatial Distribution Of Highway Mortality Of Mule Deer On Newly Constructed Roads At Jordanelle Reservoir, Utah, Laura A. Romin, John A. Bissonette
Great Basin Naturalist
In this paper we evaluated traffic characteristics and vegetation and topographic features associated with mule deer kills on 3 highways (US 40, SR 32, SR 248) in northeastern Utah. We also compared number, and sex and age composition of roadkills to that of the living population observed during spotlight counts. From 15 October 1991 to 14 October 1993 we documented 397 deer roadkills: 51.6% were does, 18.9% bucks, 21.7% fawns, and 7.8% could not be classified. Sixty-seven percent of adult kills were ≤2.5 yr of age. Kill composition compared closely to spotlight counts. Of 1515 spotlight deer, 65.2% were does, …
Partial Life History Of Southern Hogchokers, Trinectes Maculatus Fasciatus, In The Back Bay Of Biloxi, Mississippi, Tanya L. Peterson-Curtis
Partial Life History Of Southern Hogchokers, Trinectes Maculatus Fasciatus, In The Back Bay Of Biloxi, Mississippi, Tanya L. Peterson-Curtis
Gulf of Mexico Science
To address life history variation between hogchoker subspecies, length-weight relationships, length conversion factors, back-calculated lengths at age, and female age at maturity were determined for a southern hogchoker population in the northern Gulf of Mexico. Length-weight relationships of female and male hogchokers differed (P < 0.05) only when the regression was based on total lengths. The standard length (SL)-weight equation was W = 0.000022·L3.136. Individuals of the southern population are more robust than those of the northern form, yet have similar SL-TL conversion factors. Otolith annuli were validated, with annuli forming between June and July. The age structure ranged from 1 to 5 yr, with the average SL at age 1 being 21.14 mm. Growth rates appear relatively …
Foods Of Juvenile Spotted Seatrout In Seagrasses At Seahorse Key, Florida, William T. Mason Jr., Scott A. Zengel
Foods Of Juvenile Spotted Seatrout In Seagrasses At Seahorse Key, Florida, William T. Mason Jr., Scott A. Zengel
Gulf of Mexico Science
Early juvenile [ <1 yr; 10-100 mm total length (TL)] spotted seatrout in the shallow seagrasses at Seahorse Key, Florida, in the Northeast Gulf of Mexico, fed on 12 kinds of foods. Although the total diversity of major food items of juvenile seatrout is about the same as 50 years ago, for some unexplained reasons, the juvenile diets have apparently switched to other invertebrate species and to small fish. The 10-30 mm TL seatrout ate small Crustacea, e.g., amphipods and grass shrimps, and fed mostly in the Halodule seagrass zone (average depth 0.5 m). In addition to these species, the 50-80 mm TL seatrout, feeding primarily in the Halodule and Thalassia (average depth 0.8 m) zones, consumed copepods, a combination of decapod shrimps (Mysidopsis bahia, Palaemonetes pugio, P. vulgaris, Periclimenes longicaudatus, Penaeus duorarum), and small fish. Seatrout of 80-100 mm TL appeared to feed only in Thalassia, and larger juveniles (not collected) probably fed in the mixed-grass zone beyond our study area (>1 m depth). Seatrout food resources at the Keys were robust. Peak densities and diversities of hyperbenthic invertebrates in the seagrasses were inversely proportional (maximum average number of individuals = 12,000/sled trawl, Sep.; maximum average number of taxa = 35 spp., March).
Atlantic Spotted Dolphins (Stenella Frontalis) In The Gulf Of Mexico, Lisa R. Mills, Kevin R. Rademacher
Atlantic Spotted Dolphins (Stenella Frontalis) In The Gulf Of Mexico, Lisa R. Mills, Kevin R. Rademacher
Gulf of Mexico Science
No abstract provided.