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A Checklist Of Parasites Of California, Oregon, And Washington Marine And Estuarine Fishes, Milton S. Love, Mike Moser

Harold W. Manter Laboratory of Parasitology: Faculty and Staff Publications

This report is a summary of the published records of parasites found from the marine and estuarine fishes of California, Oregon, and Washington. Coverage has not been limited to the western United States, but rather includes parasite reports from throughout each fish's range. Included is a host-parasite list and parasite-host cross index.

We have produced this survey because we felt there was a need for a single source which would list all the parasites infecting marine and estuarine fish from California, Oregon, and Washington. Pertinent sources are scattered over a number of journals, covering many years. Workers find it time …

Spectral Differences And Temporal Stability Of Phycoerythrin Fluorescence In Estuarine And Coastal Waters Due To The Domination Of Labile Cryptophytes And Stabile Cyanobacteria, Rj Exton, Wm Houghton, W Esaias, Lw Haas, D Hayward

VIMS Articles

Laser fluorosensing and epifluorescence microscopy were used jointly to identify the origin of different spectral peaks of phycoerythrin in estuarine and coastal samples. The fluorescence of the samples was also examined as a function of the time elapsed after a water circulation system was turned on. Coastal samples were dominated by cyanobacteria and exhibited a constant phycoerythrin fluorescence with time. The phycoerythrin fluorescence of the Chesapeake Bay estuarine samples first increased strongly, reached a maximum, and then decreased to below the original level; these samples were dominated by cryptophytes which epifluorescence techniques revealed were being destroyed by the circulation system. …

A Mathematical Model Of Water Quality In The Ware River, Virginia, Cindy L. Bosco, Albert Y. Kuo

Reports

No abstract provided.

York River Slack Water Data Report : Temperature, Salinity, Dissolved Oxygen, 1971 - 1980, T. J. Brooks

Reports

The slack water survey program, provides an extended series of temperature, salinity, dissolved oxygen and nutrient measurements along the York River. These have been used to:

1) calibrate, verify, and update mathematical models; 2) provide a baseline against which effects of unusual events have been measured; and could be used to: 3) establish annual and longer period "climatological" trends in response to changing natural phenomena and man-made modifications to the estuary; 4) provide a basis against which fluctuations in biota could be compared.

This report contains station locations, survey schedules, field procedures, sample handling procedures, and data reduction and storage …

Postmarsupial Development And Growth Of Pagurapseudes Largoensis Mcsweeny (Crustacea, Tanaidacea), Charles G. Messing

Marine & Environmental Sciences Faculty Articles

Postmarsupial development of the gastropod shell-inhabiting tanaidacean Pagurapseudes largoensis McSweeny is described and compared with that of Heterotanais oerstedii (Krøyer) and Neotanais micromopher Gardiner. This is the first such study of an apseudomorphan based on experimentally reared animals. P. largoensis is gonochoristic; two manca instars are typical of all tanaidaceans so far investigated. In females, the mancas are followed by two or possibly three juvenile instars (=neutra), one or two preparatory instars characterized by rudimentary oostegites, and a copulatory stage with complete marsupium. Laboratory maintained animals pass through up to three copulatory stages, each separated by a preparatory stage of …

Seasonal-Variation In Survival Of Escherichia-Coli Exposed Insitu In Membrane-Diffusion Chambers Containing Filtered And Nonfiltered Estuarine Water, I. C. Anderson, Mw Rhodes, Hi Kator

VIMS Articles

Human fecal Escherichia coli isolates were exposed over a seasonal cycle to estuarine water in diffusion chambers filled with double-filtered (0.45 and 0.2 p.m) and nonfiltered water. Laboratory manipulations of E. coli cultures before estuarine exposure were reduced to minimize sublethal stress, and nonselective or resuscitative enumeration techniques were employed to maximize recovery of stressed cells. E. coli was capable of extended survival during in situ exposure to estuarine water, provided eucaryotes were excluded from diffusion chambers. Survival was directly related to temperature in absence of the eucaryote component of the natural microbiota. Although it was not possible to prevent …

In Situ Development Of Sublethal Stress In Escherichia-Coli - Effects On Enumeration, Mw Rhodes, Iris C. Anderson, H Kator

VIMS Articles

No abstract provided.

Bibliography Of The Monogenetic Trematode Literature Of The World, 1758 To 1982, William J. Hargis Jr., Dennis A. Thoney

Reports

Interest in the monogenean parasites has grown markedly in the last twenty years. To enhance and speed world-wide research activity, we prepared the first edition of this bibliography in 1969. This latest effort is intended to do the same.

Water Quality In A Virginia Potomac Embayment: Hunting Creek - Cameron Run, Carl F. Cerco, Albert Y. Kuo

Reports

No abstract provided.

Precise And Accurate Determination By Infrared Photometry Of Co2 Dynamics In Marine Ecosystems, Kenneth M. Johnson, Curtis M. Burney, John Mcn. Sieburth

Marine & Environmental Sciences Faculty Articles

Preliminary studies with an ampule analyzing unit and infrared (IR) detector showed that procedures for standardization and determination of total carbon dioxide (ΣCO₂), while often precise, lacked the accuracy required to estimate the net productivity and respiration of aquatic ecosystems during studies in which sampling over diel cycles was used. Scaling down sample and standard volumes to the µl range and the use of a commercial sodium carbonate standard without dilution before and after replicate sample injections gave accurate results as shown by comparison with indirect (pH-alkalinity) ΣCO₂, determinations with a standard error of ±3 µmoles …

The College Of William And Mary, School Of Marine Science, 1983-84 Program, College Of William And Mary, School Of Marine Science

Miscellaneous

Catalog for the Graduate program from the School of Marine Science at the College of William and Mary for the listed academic year.

Genetical, Morphological And Behavioral Studies On The Evolutionary Biology Of The Astyanax Species Complex Of Middle America, Aldemaro Romero Jr.

Publications and Research

No abstract provided.

Frequency Distribution Patterns And Partitioning Of Copper, Iron And Zinc In Selected Tissues Of The Black Mullet (Mugil Cephalus), Charles J. Venuto, John H. Trefry

Ocean Engineering and Marine Sciences Faculty Publications

Copper, iron and zinc concentrations were determined for muscle, gill and liver tissue from 45 black mullet (Mugil cephalus) collected in Turkey Creek, an embayment of the Indian River Lagoon, Florida. In the liver, Fe concentrations (2420+ 1040 jig/g, dry wt) were higher than for Cu (510 ± 350 fig/g) and Zn (330 ± 120ng/g). Gill tissue iron levels (380 ± 140/xg/g) were greater than those for Zn (96 ± 26 jtg/g) and Cu (6.3 ± 4.4 fig/g). Muscle tissue concentrations were lowest with Fe values (19 ± 15/tg/g) greater than thosefor Zn (13.5 ± 4.9 fig/g) and Cu (1.1 …

Environmental Correlates Of Hermatypic Coral (Montastrea Annularis) Growth On The East Flower Gardens Bank, Northwest Gulf Of Mexico, Richard E. Dodge, Judith C. Lang

Marine & Environmental Sciences Faculty Articles

Time series of annual linear growth increments from 12 Montastrea annularis (E. and S.) collected at the East Flower Gardens Bank reef in the northwestern Gulf of Mexico have a common pattern. This is best expressed in an index master chronology (average by year of the annual percentage deviations from the mean of each coral.)

Comparisons with time series of environmental data indicate that coral extension rates vary positively with seasonal (February through May - 4 months) surface water temperature and negatively with annual discharge of the Atchafalaya River. We propose that secular variations of water temperature and other parameters …

Curidia Debrogania, A New Genus And Species Of Amphipod (Crustacea: Ochlesidae) From The Barrier Reefs Of Belize, Central America, James Darwin Thomas

Marine & Environmental Sciences Faculty Articles

The family Ochlesidae is amended to include the new genus Curidia, which differs from all other members by possessing maxiIIipedal palps. Curidia debrogania is described and compared to other genera and species within the family Ochlesidae.

Curidia debrogania is plesiomorphic by possession of maxillipedal palps, suggesting this member of the small, cryptic family might have originated in the tropical Western Atlantic. Distribution records and ecological notes are included.

Phytoplankton Studies Within The Virginia Barrier Islands. Iii. Phytoplankton Composition In A Saline Pond On Smith Island, Harold G. Marshall

Biological Sciences Faculty Publications

The phytoplankton that characterized the Smith Island pond was diverse, with several species of diatoms, dinoflagellates and blue-green algae dominant throughout the year. A total of 146 spp. were noted, predominantly composed of ultra and nanoplankters, that includes representatives from coastal waters. The island ponds are considered eutrophic habitats whose composition is influenced by overwash conditions and in turn introduce populations to surrounding pools and water channels.

Introgressive Hybridization In A Population Of Astyanax Fasciatus (Pisces: Characidae) At La Cueva Chica, Aldemaro Romero Jr.

Publications and Research

No abstract provided.

Apagesoma-Edentatum, A New Genus And Species Of Ophidiid Fish From The Western North-Atlantic, Hj Carter

VIMS Articles

A new genus and species of deep-sea fish, Apagesoma eden/alum, (family Ophidiidae), is described from deep waters off the Bahamas. It can be distinguished from other ophidiid genera by the following characters: an enlarged and swollen anterior nostril; eyes placed anteriorly on the head; moderate-sized, unsculptured, hemispheric-shaped sagitta; absence ofa basibranchial tooth patch; absence of an opercular spine; large sub-terminal mouth, with non-protrusible jaws. Typhlonus delosommalus Hureau et aI., 1979 is placed in Apagesoma based on similarities in otoliths, non-protrusibility of jaws, swollen anterior nostrils and absence of a basi branchial tooth patch. Typhlonus contains only the type species, T. …

Immediate Effects Of A Storm On Coastal Infauna, Fred C. Dobbs, Joseph M. Vozarik

OES Faculty Publications

Effects of storms on benthic infaunal communities have thus far been inferred rather than documented; especially lacking are studies examining immediate effects. To this end, the water column and 2 subtidal benthic sites were sampled before and after Storm David in September 1979. There were large post-storm increases in the numbers of infaunal species and individuals in the water column, presumably due to turbulent benthic boundary conditions. At the benthic stations, there were no pre vs. post-storm differences in the density of infauna; however, the number of species decreased at 1 station. There were storm-associated changes in the rank order …

Comparative Ecology Of Nekton Residing In A Tidal Creek And Adjacent Seagrass Meadow: Community Composition And Structure, Mp Weinstein, Ha Brooks

VIMS Articles

No abstract provided.

Dorsal And Anal Pterygiophore Interdigitation Patterns In Four Species Of Morone (Teleostei, Percichthyidae) : An Aid To Larval Identification, John E. Olney, George C. Grant, Fred E. Schultz, C. Laurence Cooper, John Hageman

Reports

The diagnostic potential of dorsal and anal pterygiophore interdigitation patterns was examined in larval stages of Morone saxatilis, M. chrysops, M. americana and M.mississippiensis. The number and position of pterygiophores relative to interneural spaces 1-6 and 10-13 and interhaemal spaces 12-15 as well as total number of dorsal and anal pterygiophores are characters useful in delimiting larvae of American Morone species. Interdigitation patterns useful in separating M. mississippiensis and M. americana larvae were not found, however these two species may not co-occur.

Msx In Rappahannock River & Great Wicomico River, Jay D. Andrews

Reports

No abstract provided.

Results Of Msx Tests For 1982 Infections, Jay D. Andrews

Reports

Sampling from the Rappahannock and the Great Wicomico rivers.

Price Flexibility Analysis Of Virginia Hard Clams: Economic Considerations For Management Of The Fishery, Andre C. Kvaternik, William D. Dupaul, Thomas J. Murray

Reports

Price flexibility coefficients estimated for ex-vessel prices of Virginia hard clams indicate a very small (4.292 x 10-6 to 6.994 x 10-6%) decrease in price would occur given a 1% increase in the quantity supplied by Virginia harvesters. Data used were monthly landings of Virginia, New York, New Jersey, Rhode Island, Maryland and North Carolina over the period 1960-1979. Fifty-eight percent of the ex-vessel price changes are not explained by the supply response model used, suggesting other market and consumer demand factors play a large role in determining ex-vessel price. This conclusion is reached considering the historical range of production …

Marine Education Field Trip Sites In Virginia, Susan C. Gammisch

Reports

No abstract provided.

Striped Bass Research, Virginia - Annual Report 1983, Virginia Institute Of Marine Science

Reports

No abstract provided.

Assessment Of Larval Striped Bass, Morone Saxatilis (Walbaum), Stocks In Maryland And Virginia Waters. Part Ii. Assessment Of Spawning Activity In Major Virginia Rivers. Segment 3. Pt.A. Distribution And Abundance Of Striped Bass Eggs And Larvae In The Rappahannock River During Spring, 1982 : Final Report, John E. Olney, Bruce H. Comyns, George C. Grant

Reports

• Segment 1. Distribution and abundance of striped bass eggs and larvae in the upper York River system, Virginia, during spring 1980
• Segment 2. Distribution and abundance of striped bass eggs and larvae in the James and Chickahominy Rivers, Virginia, during spring 1981 : draft final report
• Segment 3. Pt.A. Distribution and abundance of striped bass eggs and larvae in the Rappahannock River during spring, 1982 : final report
• Segment 3. Pt.B. Dorsal and anal pterygiophore interdigitation patterns in four species of Morone (Teleostei, Percichthyidae) : an aid to larval identification https://doi.org/10.21220/V50X7B

Lower Bay Zooplankton Monitoring Program : The August 1978 Survey, George C. Grant, John E. Olney

Reports

Monitoring of the lower Chesapeake Bay zooplankton populations was begun in March 1978 to provide a data base needed as a prerequisite to future evaluations of faunal change. An initial report (Grant and Olney, 1979) presented the basic design and sampling techniques of the Lower Bay Zooplankton Program (LBZMP), along with results of the first winter-spring cruise.

These surveys are conducted during four months of the year, with complete taxonomic analysis in March and August and analyses limited to meroplanktonic fish eggs and larvae and decapod crustacean larvae tn June and July. The present report includes results of the summer …

Products And Productivity Of The Men And Women Of The Virginia Institute Of Marine Science From 1940 To June, 1983, William J. Hargis Jr., Thomas M. Armitage

Reports

No abstract provided.

Monitoring Defecation Activity Of Infaunal Deposit Feeders, Fred C. Dobbs

OES Faculty Publications

An inexpensive, reliable thermistor device capable of monitoring infaunal foraging activity was built and used in the laboratory to examine effects of temperature on sediment reworking by the maldanld polychaete Clymenella torquata. The worm defecated at least once per hour 55.0 % (12.0 "C) to 88.2 % (5.5 "C) of the time. Defecation rate was linearly and positively related to temperature. Estimated volume of sediment ejected per defecation (0.015 ml) did not change with temperature. Results are compared with previous reworking studies of C. torquata.