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Articles 1 - 7 of 7
Full-Text Articles in Physical Sciences and Mathematics
An Annual Study Of Phytoplankton Composition And Associated Environmental Conditions Of Lake Trashmore, Virginia Beach, Virginia, Seba B. Sheavly
An Annual Study Of Phytoplankton Composition And Associated Environmental Conditions Of Lake Trashmore, Virginia Beach, Virginia, Seba B. Sheavly
Biological Sciences Theses & Dissertations
A 12 month study of Lake Trashmore was conducted on phytoplankton composition, inorganic nutrients and their seasonal associations. The dominant phytoplankton groups observed were diatoms, chlorophyceans and cyanobacteria. Phytoplankton assemblage patterns were coupled with pH, temperature, dissolved oxygen, nitrites and silicates. Diatoms dominated during periods of high nutrient concentrations, cooler temperatures and an unstable water column. Cyanobacteria forms dominated during periods of warmer temperatures, higher pH and decreased nitrogen and dissolved oxygen concentrations. A seasonal community shift occurred from cyanobacterial dominance to chlorophycean dominance when pH levels decreased. The lake is eutrophic based on indices of chlorophyll a concentrations, transparency …
Potential Fish Egg Production By Mnemiopsis Leidyi Determined By Hydrography At The Chesapeake Bay Mouth, Harry D. Johnson
Potential Fish Egg Production By Mnemiopsis Leidyi Determined By Hydrography At The Chesapeake Bay Mouth, Harry D. Johnson
Dissertations, Theses, and Masters Projects
No abstract provided.
Primary Production And Temporal Variation In The Macrophytic Community Of A Tidal Freshwater Swamp, Bryan Keith Fowler
Primary Production And Temporal Variation In The Macrophytic Community Of A Tidal Freshwater Swamp, Bryan Keith Fowler
Dissertations, Theses, and Masters Projects
No abstract provided.
Life History Of The Goosefish, Lophius Americanus, Michael P. Armstrong
Life History Of The Goosefish, Lophius Americanus, Michael P. Armstrong
Dissertations, Theses, and Masters Projects
No abstract provided.
Studies Of Pipefish Foraging In Simulated Seagrass Habitats, Clifford H. Ryer
Studies Of Pipefish Foraging In Simulated Seagrass Habitats, Clifford H. Ryer
Dissertations, Theses, and Masters Projects
Laboratory experiments determined the effects of two levels of habitat complexity upon pipefish (Syngnathus fuscus) foraging for amphipods. Habitats were composed of equal densities of either narrow (low complexity) or wide (high complexity) leafed artificial seagrass. The response to habitat, as measured by rate of encounter with amphipods, probability of attack after encounter, probability of success after attack, and overall rate of amphipod consumption, was determined for combinations of two fish size classes and three amphipod size classes. Small fish did not experience visually inhibitive effects in either habitat, while large fish had their visual fields impinged upon in the …
Population Structure Of The White Perch, Morone Americana, In Lower Chesapeake Bay As Inferred From Mitochondrial Dna Restriction Analysis, Brian W. Bowen
Population Structure Of The White Perch, Morone Americana, In Lower Chesapeake Bay As Inferred From Mitochondrial Dna Restriction Analysis, Brian W. Bowen
Dissertations, Theses, and Masters Projects
No abstract provided.
Identification And Distribution Of Urophycis (Gill) And Phycis (Artedi) Larvae And Pelagic Juveniles In The Middle Atlantic Bight, Bruce Henry Comyns
Identification And Distribution Of Urophycis (Gill) And Phycis (Artedi) Larvae And Pelagic Juveniles In The Middle Atlantic Bight, Bruce Henry Comyns
Dissertations, Theses, and Masters Projects
No abstract provided.