Physical Sciences and Mathematics Commons^™

Application Of Satellite Data And Lars' Data Processing Techniques To Mapping Vegetation Of The Dismal Swamp, Jeffrey Allan Messmore

Biological Sciences Theses & Dissertations

This study concerned the feasibility of using digital satellite imagery and automatic data processing (ADP) techniques as a means of mapping swamp forest vegetation. Multispectral scanner data acquired by the Earth Resources Technology Satellite (ERTS-1; renamed LANDSAT-1) was analyzed using ADP techniques developed by Purdue University's Laboratory for Applications of Remote Sensing (LARS). The site for this investigation was the Dismal Swamp, a 210,000 acre swamp forest located south of Suffolk, Va. on the Virginia-North Carolina border. Two basic classification strategies were employed in determining the vegetation mapping capability of ERTS-1 data. The initial classification utilized unsupervised techniques which produced …

Socioeconomic Impacts Of The Second Stage Of The Southern Nevada Water Project And Its Alternatives, William T. White, Bernard Malamud, John E. Nixon

Publications (WR)

This study evaluates the socioeconomic impacts of the Second Stage of the Southern Nevada Water Project of the United States Bureau of Reclamation, comparing that project with the alternatives of importing water from Nevada areas somewhat removed from the Las Vegas Valley and of leaving the water supply of the Valley basically as it is, the no project alternative.

The study follows, with adaptations and extensions, the general methodology for socioeconomic impact studies as developed and still being evolved in successive socioeconomic analyses of Bureau of Reclamation water projects. The methodology recognizes that the complexity of modern society and water …

An Evaluation Of The Fishery Resources Of The Thames River Watershed, Connecticut, Connecticut Department Of Environmental Protection

Storrs Agricultural Experiment Station

No abstract provided.

Seasonal And Spatial Variation In Primary Productivity In Boulder Basin, Lake Mead, Clark County, Nevada, Isamu Aoki

Publications (WR)

The ¹⁴C light and dark bottle technique for measurement of primary production was utilized as a means of assessing the amount of inorganic carbon being converted Into organic form by the photosynthesis of phytoplankton populations In the Boulder Basin of Lake Mead.

Spatial and time series changes of productivity levels observed at eight sampling locations within Boulder Basin Indicate that the Influence of treated municipal arts' industrial effluent flowing into Les Vegas Bay is contributing high levels of available nutrients at Las Vegas Wash Inlet to cause productivity to approximate those levels associated with polluted waters.

Productivity levels at …

Distribution Of Copper And Zinc In Oysters And Sediments From Three Coastal-Plain Estuaries., R. J. Huggett, F. A. Cross, M. E. Bender

VIMS Books and Book Chapters

Copper and zinc were analyzed in oysters (Crassostrea virginica) from the Newport River estuary, North Carolina, and the Rappahannock River estuary, Virginia. Results indicated that a concentration gradient existed, higher concentrations of metals being found in animals living in fresher waters as was shown previously for oysters in the James, York, and Rappahannock estuaries in Virginia. Absorbed, precipitatcd-coprecipitated, and organic fractions of copper and zinc in the <63-μm portion of the sediments from the Rappahannock and York rivers and estuaries were estimated from collections made in January 1972 and June 1973. These sediment data are discussed for both estuarine systems and are compared with metal concentrations in oysters. These comparisons indicated that the concentration gradient found in oysters does not appear to be related to the distribution of copper and zinc in the sediments. Alternative explanations for the inverse relationships between concentrations of copper and zinc in oysters and salinity arc given.

Biological Inventory In Conjunction With The Las Vegas Wash Unit, Colorado River Basin Salinity Control Act Title Ii (P.L. 93-320), W. Glen Bradley, J. Scott Miller

Publications (WR)

The present report is a biological inventory in conjunction with the Las Vegas Wash Unit, Colorado River Basin Salinity Control Act, Title II. The boundaries of the project encompass sections of North Las Vegas, Las Vegas, East Las Vegas and areas along Las Vegas Wash extending to its drainage point in Las Vegas Bay in Lake Mead. Therefore, it encompasses a wide array of ecological situations and landscapes ranging from essentially natural to various stages of urban development.

This biological inventory presents basic ecological classifications, descriptions of vegetation, lists of vascular plants and vertebrates known to occur in the area. …

Effect Of Feedlots On Water Quality, Ronald D. Cheetham, Alan J. Holmes, David Borresen

Journal of the Minnesota Academy of Science

The effect of feedlot runoff on water quality was examined. Samples were collected from river feedlots and offshore from lake feedlots and compared with samples from appropriate control sites. Bacterial contamination, as measured by the total coliform test over two successive summers, exhibited significant variation between feedlot and control sites. Coliform levels at lake sites adjacent to feedlots were double the levels at control sites; while in river systems average coliform levels downstream from feedlots were approximately 17 times the upstream controls.

How To Make A Natural Resources Inventory, Community Natural Resources Inventory Project

Maine Collection

A Handbook How to Make a Natural Resources Inventory for Your Community

Prepared by: James F. Connors, Sterling Dow III & Dean B. Bennett

Community Natural Resources Inventory Project (Title I, Higher Education Act), The University of Maine at Portland - Gorham (Project Sponsor) and The Maine Association of Conservation Commissions (Project Co-Sponsor), 1975.

"This handbook is published as a result of a grant from the U.S. Office of Education, Department of Health, Education and Welfare under the Higher Education Act, Title I. No official endorsement by the U.S. Office of Education should be inferred."

Contents: Preface / Introduction / …

Studies For A Proposed Nansemond River Sewage Treatment Plant, Virginia Institute Of Marine Science

Reports

• Vol. 1: Summary and conclusion/ C.S Fang and Bruce Neilson.
• Vol. 2: An analysis of currents and circulation in Hampton Roads, Virginia / Bruce Neilson and Mark Boulé; Description of non-tidal flows / Maynard Nichols.
• Vol. 3: Water quality monitoring of Hampton Roads and the Nansemond River, Summer 1974 / Bruce Neilson ... [et al.]
• Vol. 4. : A survey of commercial shellfish in the vicinity of Newport News Point and Pig Point in the lower James River / Dexter Haven and Paul Kendall
• Vol. 5: A model for predicting the pollutant distribution from an outfall in a tidal estuary …

Shoreline Situation Report Henrico, Chesterfield, And Richmond, Dennis W. Owen, Margaret H. Peoples, Gary L. Anderson, Robert J. Byrne, Carl H. Hobbs Iii

Reports

No abstract provided.

Shoreline Situation Report Isle Of Wight County, Virginia, Dennis W. Owen, Gaynor B. Williams, Margaret H. Peoples, Carl H. Hobbs Iii, Gary L. Anderson, Robert J. Byrne, John M. Zeigler

Reports

No abstract provided.

Shoreline Situation Report Stafford County, Virginia, Carl H. Hobbs Iii, Gary L. Anderson, Dennis W. Owen, Peter Rosen

Reports

No abstract provided.

Shoreline Situation Report York County Virginia, Gary L. Anderson, Gaynor B. Williams, Margaret H. Peoples, Peter Rosen, Carl H. Hobbs Iii, Robert J. Byrne, John M. Zeigler

Reports

No abstract provided.

Index Of Existing Data Sources For Chincoteague, Sinepuxent, Assawoman And Little Assawoman Bays : Report To The Maryland Department Of Natural Resources, Paul V. Hyer, John P. Jacobson, Ching Seng Fang

Reports

Available data on the Chincoteague - Assawoman Bay system have been reviewed, indexed and summarized. Water quality data (including sources), other biological studies, hydrographic data, geological data and socioeconomic studies are included.

A Chemical And Biological Survey Of The Lower Potomac River In The Vicinity Of Piney Point, Maryland, Robert J. Huggett, Robert W. Virnstein, Donald F. Boesch

Reports

This report presents the results of a survey of benthic organisms in the lower Potomac River estuary in the vicinity of Steuart Petroleum Company's facilities at Piney Point, Maryland (Fig. 1). This survey was conducted to provide baseline data for the assessment of impact of the expansion of pier facilities at Steuart Petroleum. The environmental impact assessment is being made by Enviro Plan, Inc.

A Hydrographical And Water Quality Study During The Construction Of Second Hampton Roads Bridge-Tunnel, Bruce J. Neilson, C. S. Fang

Reports

In 1972 studies were conducted to determine the environmental impact of a third crossing of Hampton Roads, a bridge-tunnel connection designated as part of Interstate Highway 664. At the same time, construction had begun for a second bridge and tunnel to parallel the existing Hampton Roads Bridge-Tunnel which was to be incorporated into the Interstate system as I-64. Because this project was only in the initial stages, it was recommended that an evaluation of I-64 be made in order to make recommendations for the design of and construction methods for the I-664 bridge-tunnel. This study deals with the water quality …

Analyses Of Sediment And Elutriate Sample From The James River, Virginia, R. J. Huggett

Reports

No abstract provided.

Removal Of Phosphorus From Static Sewage Effluent By Waterhyacinth, W Harold Ornes

W. Harold Ornes

Waterhyacinth [Eichhornia crassipes (Mart.) Solms] was grown in static sewage effluent during May to July 1974 in outdoor concrete containers with a capacity of 760 liters and a surface area of 1.66 m². The plants were removed weekly from one-half of the surface area of the containers during 5-wk growth periods. Tissue phosphorus (P) and nitrogen (N), plant productivity, and some parameters of water quality were measured. A maximum uptake of 5,500 µg of P/g dry weight of plant material occurred when the level of orthophosphate phosphorus (available P) in the effluent was 1.1 µg/ml. Phosphorus in the effluent was …