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Articles 61 - 70 of 70

Full-Text Articles in Physical Sciences and Mathematics

Shoreline Habitat Selection By Bald Eagles (Haliaeetus Leucocephalus) In A Non-Breeding Eagle Concentration-Area On The James River, Virginia, Kennedy H. Clark Jan 1992

Shoreline Habitat Selection By Bald Eagles (Haliaeetus Leucocephalus) In A Non-Breeding Eagle Concentration-Area On The James River, Virginia, Kennedy H. Clark

Dissertations, Theses, and Masters Projects

No abstract provided.


Contaminant Accumulation In Hard And Soft Shell Blue Crabs From An Urban Subestuary, Robert F. Mothershead Jan 1991

Contaminant Accumulation In Hard And Soft Shell Blue Crabs From An Urban Subestuary, Robert F. Mothershead

Dissertations, Theses, and Masters Projects

Muscle and hepatopancreas of blue crabs (Callinectes sapidus), collected from the Elizabeth River, Virginia, contained residues of polycyclic aromatic hydrocarbon (PAHs}, polychlorinated biphenyls (PCBs) and organochlorine pesticides. Analytical procedures involved dichloromethane extraction of lyophilized tissue, followed by molecular size and polarity-based purification of the extract. capillary gas chromatography with flame ionization detection and electrolytic conductivity detection was used for quantitation and tentative identification of the xenobiotic compounds. Mass spectrometry was used for confirmation of these identities. Contaminant concentrations were greater in hepatopancreas than in muscle in crabs from every site examined. Hepatopancreas PAH burdens were as high as 11 mg/kg …


Availability Of Lead, Zinc, Copper, And Cadmium To The Peregrine Falcon (Falco Peregrinus) From Waterfowl Of The Craney Island Disposal Area, Douglas Stephen Davis Jan 1988

Availability Of Lead, Zinc, Copper, And Cadmium To The Peregrine Falcon (Falco Peregrinus) From Waterfowl Of The Craney Island Disposal Area, Douglas Stephen Davis

Dissertations, Theses, and Masters Projects

No abstract provided.


Assessing Environmental Stress On The Loggerhead Sea Turtle (Caretta Caretta) In Virginia Waters, Sarah A. Bellmund Jan 1988

Assessing Environmental Stress On The Loggerhead Sea Turtle (Caretta Caretta) In Virginia Waters, Sarah A. Bellmund

Dissertations, Theses, and Masters Projects

No abstract provided.


The Peregrine Falcon In Virginia: Survey Of Historic Eyries And Reintroduction Effort, Johannes Kurt Gabler Jan 1983

The Peregrine Falcon In Virginia: Survey Of Historic Eyries And Reintroduction Effort, Johannes Kurt Gabler

Dissertations, Theses, and Masters Projects

No abstract provided.


The Status Of Marine Turtles In Chesapeake Bay And Virginia Coastal Waters, Maryellen Lutcavage Jan 1981

The Status Of Marine Turtles In Chesapeake Bay And Virginia Coastal Waters, Maryellen Lutcavage

Dissertations, Theses, and Masters Projects

No abstract provided.


Angiosperm Growth, Distribution, And Tissue Nitrogen Concentration In A Sewage-Impacted Marsh, Yorktown Creek, Virginia, Mark Steven Kowalski Jan 1979

Angiosperm Growth, Distribution, And Tissue Nitrogen Concentration In A Sewage-Impacted Marsh, Yorktown Creek, Virginia, Mark Steven Kowalski

Dissertations, Theses, and Masters Projects

No abstract provided.


The Nesting Ecology Of Several Species Of Herons And The Glossy Ibis (Plegadis Falcinellus) In Three Heronries In Virginia, Barbara Susan Warren Jan 1977

The Nesting Ecology Of Several Species Of Herons And The Glossy Ibis (Plegadis Falcinellus) In Three Heronries In Virginia, Barbara Susan Warren

Dissertations, Theses, and Masters Projects

No abstract provided.


The Effects Of Environmental Variables On The Heart Rate Of Invertebrates, Peter L. Defur Jan 1977

The Effects Of Environmental Variables On The Heart Rate Of Invertebrates, Peter L. Defur

Dissertations, Theses, and Masters Projects

No abstract provided.


Eggshell Thinning And Pesticide Residues In Ospreys From The Lower Chesapeake Bay, Jerry Waller Via Jan 1975

Eggshell Thinning And Pesticide Residues In Ospreys From The Lower Chesapeake Bay, Jerry Waller Via

Dissertations, Theses, and Masters Projects

No abstract provided.