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Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 98 for “"james river"”.
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Wildlife Habitat in the James River Valley, South Dakota
… was conducted on the 12 485 ha study area of the James River floodplain in north-eastern South Dakota. Included were vegetation mapping, small mammal trapping, waterfowl breeding pair counts, waterfowl brood counts, bird census routes, and general observations. Natural vegetation consisted of 3181 …
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Coliforms, Salmonella, and Shigella in the James River Basin
The enteric bacterial contamination in the James River Basin was assessed using routine monitoring methods and pathogen detection techniques. Samples were collected from 10 different locations, once per month for 6 months, and analyzed for fecal coliforms, E. coli and total phosphorous. The …
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Waterfowl Production in the James River Valley of South Dakota
… was conducted on two study areas in the James River Valley of South Dakota in 1971 and 1972. Its objectives were to measure rates of reproductive success and to determine the effect of land use and other influences on duck production. The five most abundant species of nesting ducks were …
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The James River Nature Center: A Study of Context and Concept
… existence as an architectural place. The James River Nature Center provided a complex program that allowed for the exploration of context and concept as a thesis.
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A synthetic hydrologic flow model for the upper James River Basin
… generation of possible future flows in the James River at Buchanan, Virginia, through the utilization of existing records of monthly precipitation and runoff. Twelve separate monthly regression models were chosen on the basis of the degree of correlation as indicated by the correlation …
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Fish Community Structure and Associated Habitat in the James River, Southwest Missouri
… habitat characteristics in the mainstem of the James River in Southwest Missouri. Establishing a history of the existing fish and habitat populations is necessary to formulate a robust Index of Biotic Integrity (IBI), an assessment that uses a series of metrics to assess the gradient of impact …
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Water Quality and the Primary Producers in the Upper James River, Missouri
… were determined at three stations in the upper James River, Missouri, was determined from May to November 1980. Periphyton cell numbers (cells x 10⁵ cm⁻²) gradually increased during the study, and ranged from 3.43 to 32.9 x 10⁵ cm⁻². Periphyton active chlorophyll a concentrations (μg cm⁻²) …
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American Eel Distibution and Growth in Selected Tributaries of the James River
… 2001 via radio telemetry. South Fork Piney River, South Fork Tye River, and Shoe Creek, Virginia were the streams chosen for eel research. Eels exhibited the greatest amount of movement in summer 2000 and the least amount of movement in winter 2000-01. Diel activity was significantly lowest …
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Characterizing the distribution of planktonic fecal bacteria in the James River, Richmond, Virginia
… on the distribution of fecal bacteria in the James River through Richmond, Virginia. Chapter 1 describes nearly 11 years of water quality, climate, and hydrologic data that occurred with changes in Escherichia coli concentrations, concluding that Richmond contributes significant quantities of …
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Genetic evaluation of American shad Alosa sapidissima restoration success in James River, Virginia
… markers to evaluate how supplementation of the James River American shad population with Pamunkey River origin larvae since 1994 has impacted genetic diversity and population structure. Population genetic parameters of other major Chesapeake Bay tributaries (Susquehanna, Rappahannock, Potomac, …
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Zooplankton abundance, community composition and grazing in the James River Estuary (Virginia, USA)
… examined the extent to which zooplankton in the James River Estuary (Virginia, USA) exploit the available algal-food resources. Zooplankton abundance, community composition and grazing rates were assessed at three locations which included a site with high algal production (near the VCU Rice …
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Phytoplankton Ecology and Dynamics in the James River Estuary Virginia, U. S. A.
… and phytoplankton cell populations in the James River estuary, Virginia, from Newport News Shipyard to the 0 o/oo isohaline, were sampled on a monthly basis from August of 1981 to December of 1982. Particular emphasis was placed on the very low salinity region (defined as the location where …
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Factors related to angler compliance in a black bass fishery, James River, Virginia
… and mail survey questionnaire of anglers on the James River, Virginia, was conducted to compare the characteristics of anglers, estimate angler compliance and illegal harvest, and determine the factors related to angler compliance with a black bass slot length limit regulation of 280 to 356-mm …
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Sampling characteristics of the bus route survey technique in the James River, Virginia
… survey technique that was developed for small rivers, with remote access points and low angler use. The technique employs vehicle counts to collect angler effort information. Interviews are conducted at access points to collect user characteristic and catch data from arriving, mid-trip, or …
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Effects of Habitat on Population Density of Centrarchid Species in the James River, Missouri
… species population density. Seven sites on the James River, Missouri were sampled two times each using a backpack electroshocker. Centrarchids were identified and measured. Habitat was measured. Macroinvertebrates were collected. Catch per unit effort (CPUE) was calculated for each centrarchid …
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Bald Eagle Foraging Habitats Along the James River in Missouri: Protection From Human Developments
… preferred bald eagle foraging habitats along the James River in Missouri. Fish samples collected were tested for 12 organochlorines and nine metals including lead and mercury. The sampling sites' micrograms/gram of fish of these contaminants were ranked using the Mann-Whitney U Test. There was no …
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Waterfowl Breeding Pair and Brood Usage of Oxbows and Riverine Habitats on the James River
… brood surveys were conducted along 250 km of the James River and adjacent oxbows in Brown and Spink Counties, South Dakota during 1987-88. Invertebrates were sampled at brood survey sites in 1988. All of the oxbows and river segments in 1987 contained sufficient water for waterfowl surveys. …
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Aquatic Macroinvertebrate Production in Predominant Habitats of a Warmwater Stream: The James River, South Dakota
… aquatic macroinvertebrate habitat in the middle James River. Macroinvertebrate abundance, standing stock biomass, and production were quantified and compared among major instream habitats at two widely separated river sites. Three habitats that dominated the total substrate available for …
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Great Blue Heron Nesting Biology and Habitat Use On the James River in South Dakota
… feeding habitats of adult herons included the James River and its inlets, streams, intermittent streams, and pastures. Forty-eight of 65 radiolocations occurred on the James River and its inlets. Unmarked herons travelled average and maximum distances of 3.15 and 24.40 km, respectively. …
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