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2009

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Articles 1 - 30 of 169

Full-Text Articles in Aquaculture and Fisheries

Fate And Bioavailability Of Sulfamethazine In Freshwater Ecosystems, Keri L. D. Henderson, Thomas Moorman, Joel R. Coats Dec 2009

Fate And Bioavailability Of Sulfamethazine In Freshwater Ecosystems, Keri L. D. Henderson, Thomas Moorman, Joel R. Coats

Entomology Publications

The antibiotic sulfamethazine can be transported from manured fields to surface water bodies. We investigated the degradation, fate, and bioavailability of sulfamethazine in surface water using 14C-U-phenyl-sulfamethazine in small pond water microcosms. Sulfamethazine dissipated exponentially from the water column, with the majority of loss occurring via movement into the sediment phase. Manure input significantly increased sorption and binding of sulfamethazine residues to the sediment. These results indicate sediment is a potential sink for sulfamethazine and sulfamethazine-related residues, which could have important implications for benthic organisms. Understanding the bioavailability of pharmaceuticals in environmental matrices is particularly important considering they are often ...


Looking Ahead To Spring's Returning Bounty: Natal Homing, Jason Vokoun, Benjamin Gahagan Dec 2009

Looking Ahead To Spring's Returning Bounty: Natal Homing, Jason Vokoun, Benjamin Gahagan

Wrack Lines

Natal homing plays a part in fisheries restoration. This article describes research by Dr. Jason Vokoun and his students on otoliths in migratory finfish such as river herring, alewives, etc.


Life History Characteristics Of The Turquoise Darter (Etheostoma Inscriptum) In The Upper Piedmont Of South Carolina, Stephan Irwin Dec 2009

Life History Characteristics Of The Turquoise Darter (Etheostoma Inscriptum) In The Upper Piedmont Of South Carolina, Stephan Irwin

All Theses

ABSTRACT
The intention of this study was to estimate population density, time of spawning, and fecundity of the turquoise darter (Etheostoma inscriptum) in Six Mile creek of the Clemson SC experimental forest. Population density estimates were conducted on 18 riffles within the lower 1,524 m of the creek starting 304.8 m above its confluence with Lake Issaqueena from January to April 2008. Density was determined using the Leslie Depletion method, and darters/m2 was calculated. Random point collection was performed From October 14 to November 13, 2008, and 301 specimens were measured and released to determine length frequency ...


Conservation Genetics And Systematics Of Several Turtles Species In The Southeastern United States, Joshua Robert Ennen Dec 2009

Conservation Genetics And Systematics Of Several Turtles Species In The Southeastern United States, Joshua Robert Ennen

Dissertations

Chelonians (i.e., turtles) are an imperiled group of reptiles with about 66% of the recognized species listed as threatened by the IUCN. Most chelonian species have a unique set of life history traits (i.e., longevity, delayed sexual maturity, and low juvenile survivorship), which makes their populations exceedingly sensitive to increases in adult and juvenile moralities. With numerous anthropogenic effects (e.g., habitat alteration, exploitation, and over harvesting) negatively influencing mortality rates, chelonians have experienced global precipitous declines and extinctions.

This dissertation focuses on species within two chelonian genera, Gopherus and Graptemys. Although these two genera are vastly different ...


Experimental Population Dynamics Of Amyloodiniumocellatum In The Spotted Seatrout, Cynoscionnebulosus, And The Red Snapper, Lutjanus Campechanus, Ignacio Masson Dec 2009

Experimental Population Dynamics Of Amyloodiniumocellatum In The Spotted Seatrout, Cynoscionnebulosus, And The Red Snapper, Lutjanus Campechanus, Ignacio Masson

Dissertations

Amyloodinium ocellatum is a parasitic dinoflagellate that infects warm water marine bony fishes and causes high mortalities in aquaculture settings. It has three life history stages: the feeding trophont, the reproductive tomont, and the infective dinospore. This dissertation describes the characteristics of A. ocellatum infections in juvenile spotted seatrout, Cynoscion nebulosus, and red snapper, Lutjanus campechanus, studies the survival and fecundities of the stages in the life cycle of the parasite and presents a population model for A. ocellatum.

At 25°C and 33 ppt, the peak of trophont detachment occurred on day 2 postinfection in spotted seatrout and day ...


The Effect Of Irrigation Diversions On The Mountain Whitefish Population (Prosopium Williamsoni) In The Big Lost River, Patrick Allen Kennedy Dec 2009

The Effect Of Irrigation Diversions On The Mountain Whitefish Population (Prosopium Williamsoni) In The Big Lost River, Patrick Allen Kennedy

All Graduate Theses and Dissertations

Management agencies documented a decline in the mountain whitefish (Prosopium williamsoni) population on the Big Lost River, and unscreened diversions were recognized as a potential factor for this decline. Research suggests the Big Lost River mountain whitefish population is genetically unique, and it has been petitioned for protection under the Endangered Species Act. In 2007, a basin-wide synopsis of diversions was conducted to describe relative entrainment and identify diversions that entrained the most mountain whitefish. This larger scaled synopsis facilitated a more precise assessment of entrainment by a subset of diversions in 2008. In 2008, the volume that was diverted ...


Investigating Saxitoxin Resistance In Softshell Clams (Mya Arenaria): Patterns Of Inheritance And Improvements On Methodology For Tracking And Identification, Scott A. Hamilton Dec 2009

Investigating Saxitoxin Resistance In Softshell Clams (Mya Arenaria): Patterns Of Inheritance And Improvements On Methodology For Tracking And Identification, Scott A. Hamilton

Electronic Theses and Dissertations

Attempts to characterize and study the population dynamics of the softshell clam Mya arenaria in relation to a mutation which confers resistance to paralytic shellfish toxins are complicated by a lack of non-lethal genotyping techniques, reliable tagging methods and an understanding of the inheritance patterns of the marker. Presented here, is a straightforward and non-lethal technique for clam genotyping, a new method for the long term tagging of clams, and the offspring genotype frequencies from a number of pair matings between clams of known genotype. Hemolymph extracted from M. arenaria was used directly in a polymerase chain reaction (PCR) to ...


Estimating Relative Abundance Of Young-Of-Year American Eel, Anguilla Rostrata, In The Virginia Tributaries Of Chesapeake Bay (Spring 2009), Troy D. Tuckey, Mary C. Fabrizio Dec 2009

Estimating Relative Abundance Of Young-Of-Year American Eel, Anguilla Rostrata, In The Virginia Tributaries Of Chesapeake Bay (Spring 2009), Troy D. Tuckey, Mary C. Fabrizio

Reports

The Atlantic States Marine Fisheries Commission (ASMFC) adopted the Interstate Fishery Management Plan (FMP) for the American eel in November 1999. The FMP focuses on increasing coastal states’ efforts to collect American eel data through both fishery-dependent and fishery-independent studies. Consequently, member jurisdictions agreed to implement an annual survey for young-of-year (YOY) American eels. The survey is intended to “…characterize trends in annual recruitment of the YOY eels over time [to produce a] qualitative appraisal of the annual recruitment of American eel to the U.S. Atlantic Coast” (ASMFC 2000). The development of these surveys began in 2000 with full ...


Status Of The Major Oyster Diseases In Virginia 2006-2008 A Summary Of The Annual Oyster Disease Monitoring Program, Ryan B. Carnegie, Eugene M. Burreson Dec 2009

Status Of The Major Oyster Diseases In Virginia 2006-2008 A Summary Of The Annual Oyster Disease Monitoring Program, Ryan B. Carnegie, Eugene M. Burreson

Reports

Fall Survey sampling revealed P. marinus levels to be generally normal to high in Virginia tributaries. By 2007 P. marinus was present on every oyster reef sampled, and by the end of the 2006-2008 period the parasite was probably causing some mortality throughout Virginia waters. Data for H. nelsoni are still incomplete for 2006/7 because of funding limitations, but in 2008 H. nelsoni was observed at 17 of 31 sampled reefs, a marked expansion in distribution since 2003/4. A significant MSX disease outbreak occurred in the Great Wicomico River in 2008, as a mild winter and a long ...


Recruitment, Substrate Quality And Standing Stock Monitoring In Support Of Noaa-Acoa Oyster Restoration Projects In The Great Wicomico, Rappahannock, Piankatank And Lynnhaven River Basins, 2004-2006 : Supplementary Materials, Mark W. Luckenbach, Paige G. Ross Dec 2009

Recruitment, Substrate Quality And Standing Stock Monitoring In Support Of Noaa-Acoa Oyster Restoration Projects In The Great Wicomico, Rappahannock, Piankatank And Lynnhaven River Basins, 2004-2006 : Supplementary Materials, Mark W. Luckenbach, Paige G. Ross

Reports

Many factors affect the success of oyster restoration efforts. This supplemental report details the VIMS effort under this NOAA-funded program to monitor some of those factors in the Great Wicomico, Rappahannock, Piankatank and Lynnhaven Rivers. Specifically, it details monitoring of (1) oyster settlement at two reefs in each of those tributaries from May to November from 2004 – 2006, along with additional widespread recruitment monitoring in the Lynnhaven River in 2005 & 2006, (2) substrate condition on the same eight reefs during spring, summer and fall of 2004 – 2006, (3) oyster abundance on Shell Bar reef in the Great Wicomico River before ...


Arsenic Transport By Zebrafish Aquaglyceroporins, Mohamad Hamdi, Marco A. Sanchez, Lauren C. Beene, Qianyong Liu, Scott M. Landfear, Barry P. Rosen, Zijuan Liu Nov 2009

Arsenic Transport By Zebrafish Aquaglyceroporins, Mohamad Hamdi, Marco A. Sanchez, Lauren C. Beene, Qianyong Liu, Scott M. Landfear, Barry P. Rosen, Zijuan Liu

HWCOM Faculty Publications

Background

Arsenic is one of the most ubiquitous toxins and endangers the health of tens of millions of humans worldwide. It is a mainly a water-borne contaminant. Inorganic trivalent arsenic (AsIII) is one of the major species that exists environmentally. The transport of AsIII has been studied in microbes, plants and mammals. Members of the aquaglyceroporin family have been shown to actively conduct AsIII and its organic metabolite, monomethylarsenite (MAsIII). However, the transport of AsIII and MAsIII in in any fish species has not been characterized.

Results

In this study, five members of the ...


What Is The Downeast Fisheries Heritage Trail?, Maine Sea Grant Nov 2009

What Is The Downeast Fisheries Heritage Trail?, Maine Sea Grant

Downeast Fisheries Trail

The Downeast Fisheries Trail is an educational trail that showcases active and historic fisheries heritage sites, such as fish hatcheries, aquaculture facilities, fishing harbors, clam flats, processing plants and other related public places in an effort to educate residents and visitors about the importance of the region’s maritime heritage and the role of marine resources to the area’s economy.


Unlv Magazine, Matthew K. Jacobsen, Holly Ivy De Vore, Lisa Arth, Cate Weeks, Greg Lacour, Tony Allen, Afsha Bawany, Barbara Cloud, Gian Galassi, Phil Hagen, Karyn S. Hollingsworth, Michelle Mouton, Erin O'Donnell Oct 2009

Unlv Magazine, Matthew K. Jacobsen, Holly Ivy De Vore, Lisa Arth, Cate Weeks, Greg Lacour, Tony Allen, Afsha Bawany, Barbara Cloud, Gian Galassi, Phil Hagen, Karyn S. Hollingsworth, Michelle Mouton, Erin O'Donnell

UNLV Magazine

No abstract provided.


First Records Of Hypleurochilus Geminatus And Centropristis Philadelphica From Chesapeake Bay, Aimee D. Halvorson Oct 2009

First Records Of Hypleurochilus Geminatus And Centropristis Philadelphica From Chesapeake Bay, Aimee D. Halvorson

Virginia Journal of Science

During the fall of 2007, Centropris philadelphica (rock seabass) and Hypleurochilus geminatus (Crested blenny) were collected from Chesapeake Bay. These captures are significant as they represent the first substantiated record of C. philadelphica from Chesapeake Bay and only the second and third validated records of H. geminatus. Additionally, the first record of H. geminatus from Chesapeake Bay was only recently recognized since the specimen had been previously misidentified as Parablennius marmoreus (seaweed blenny). The collection of seven individuals of H. geminatus in 2007, from two locations, indicates that the species may be resident within the Chesapeake Bay estuary.


First Records Of Hypleurochilus Geminatus And Centropristis Philadelphica From Chesapeake Bay, Aimee D. Halvorson Oct 2009

First Records Of Hypleurochilus Geminatus And Centropristis Philadelphica From Chesapeake Bay, Aimee D. Halvorson

VIMS Articles

During the fall of 2007, Centropristis philadelphica (rock seabass) and Hypleurochilus geminatus (crested blenny) were collected from Chesapeake Bay. These captures are significant as they represent the first substantiated record of C. philadelphica from Chesapeake Bay and only the second and third validated records of H. geminatus. Additionally, the first record of H. geminatus from Chesapeake Bay was only recently recognized since the specimen had been previously misidentified as Parablennius marmoreus (seaweed blenny). The collection of seven individuals of H. geminatus in 2007, from two locations, indicates that the species may be resident within the Chesapeake Bay estuary.


The Effects Of Extrusion Processing Of Distillers Dried Grains With Solubles (Ddgs)-Based Yellow Perch (Perca Flavescens) Feeds, Ferouz Y. Ayadi, Kasiviswanathan Muthukumarappan, Kurt A. Rosentrater, Michael L. Brown Sep 2009

The Effects Of Extrusion Processing Of Distillers Dried Grains With Solubles (Ddgs)-Based Yellow Perch (Perca Flavescens) Feeds, Ferouz Y. Ayadi, Kasiviswanathan Muthukumarappan, Kurt A. Rosentrater, Michael L. Brown

Kurt A. Rosentrater

This study was conducted to investigate the production of balanced diets for juvenile yellow perch (Perca flavescens) feeds. Six isocaloric (~ 3.21 kcal/g), isonitrogenous (31.5% db) ingredient blends were formulated with 0, 10, 20, 30, 40, and 50% distillers dried grains with solubles (DDGS) at a feed moisture content of 60-65% db, with appropriate amounts of soybean meal, fish meal, vitamin and mineral mix. Extrusion cooking was performed using a laboratory-scale single screw extruder at a constant barrel temperature profile of 40ºC-90ºC-100ºC, and a constant screw speed of 230 rpm (24.1 rad/s). During processing the mass ...


Final Report An Assessment Of Sea Scallop Abundance And Distribution In Selected Closed Areas: Georges Bank Area Ii And The Delmarva Closed Area, David B. Rudders, William D. Dupaul Sep 2009

Final Report An Assessment Of Sea Scallop Abundance And Distribution In Selected Closed Areas: Georges Bank Area Ii And The Delmarva Closed Area, David B. Rudders, William D. Dupaul

Reports

No abstract provided.


Evaluating Recruitment Of American Eel, Anguilla Rostrata, In The Potomac River (Spring 2009), Troy D. Tuckey, Mary C. Fabrizio Sep 2009

Evaluating Recruitment Of American Eel, Anguilla Rostrata, In The Potomac River (Spring 2009), Troy D. Tuckey, Mary C. Fabrizio

Reports

The Atlantic States Marine Fisheries Commission (ASMFC) adopted the Interstate Fishery Management Plan (FMP) for the American eel in November 1999. The FMP focuses on increasing coastal states’ efforts to collect American eel data through both fishery-dependent and fishery-independent studies. Consequently, member jurisdictions agreed to implement an annual survey for young of year (YOY) American eels. The survey is intended to “…characterize trends in annual recruitment of the YOY eels over time [to produce a] qualitative appraisal of the annual recruitment of American eel to the U.S. Atlantic Coast” (ASMFC 2000). The development of these surveys began in 2000 ...


Northeast Area Monitoring And Assessment Program Final Report 2005-2009, Christopher F. Bonzek, James Gartland, J. David Lange Jr., Robert J. Latour Aug 2009

Northeast Area Monitoring And Assessment Program Final Report 2005-2009, Christopher F. Bonzek, James Gartland, J. David Lange Jr., Robert J. Latour

Reports

No abstract provided.


Managing Iowa Fisheries: Aquatic Plant Management, Richard Clayton Aug 2009

Managing Iowa Fisheries: Aquatic Plant Management, Richard Clayton

Agriculture and Environment Extension Publications

Discover biological, chemical and integrated management methods to control aquatic weeds.


Managing Iowa Fisheries: Freshwater Aquarium Management, Richard Clayton Aug 2009

Managing Iowa Fisheries: Freshwater Aquarium Management, Richard Clayton

Agriculture and Environment Extension Publications

Find tips on selecting and maintaining a home aquarium. Consider tank size and shape, stand and positioning, hood, filters, air pumps, heaters, ornaments and hiding places. Also tips for fish purchasing and stocking, water changes and cleaning, disease and treatment, and algae problems.


Towards Biomimetic Ceramic Coatings: Cellular Aspects Of Oyster Shell Biomineralization, Mary Beth Johnstone, Karolyn Hansen, Neeraj V. Gohad, Douglas C. Hansen, Andrew S. Mount Aug 2009

Towards Biomimetic Ceramic Coatings: Cellular Aspects Of Oyster Shell Biomineralization, Mary Beth Johnstone, Karolyn Hansen, Neeraj V. Gohad, Douglas C. Hansen, Andrew S. Mount

Biology Faculty Publications

Abstract of Technical Paper Presented at the 101st Annual Meeting National Shellfisheries Association Savannah, Georgia March 22–26, 2009


Assessment Of Oyster Shell Structural Properties For The Development Of 'Green' Composite Materials, Yuhchae Yoon, Andrew S. Mount, Douglas C. Hansen, Karolyn Hansen Aug 2009

Assessment Of Oyster Shell Structural Properties For The Development Of 'Green' Composite Materials, Yuhchae Yoon, Andrew S. Mount, Douglas C. Hansen, Karolyn Hansen

Biology Faculty Publications

Abstract of Technical Paper Presented at the 101st Annual Meeting National Shellfisheries Association Savannah, Georgia March 22–26, 2009


The Mineralization Front Of The Eastern Oyster Is Cellular, Andrew S. Mount, Neeraj V. Gohad, Mary Beth Johnstone, Karolyn Hansen, Douglas C. Hansen Aug 2009

The Mineralization Front Of The Eastern Oyster Is Cellular, Andrew S. Mount, Neeraj V. Gohad, Mary Beth Johnstone, Karolyn Hansen, Douglas C. Hansen

Biology Faculty Publications

Abstract of Technical Paper Presented at the 101st Annual Meeting National Shellfisheries Association Savannah, Georgia March 22–26, 2009


Abstracts Of Technical Papers Presented At The 101st Annual Meeting National Shellfisheries Association Savannah, Georgia March 22–26, 2009, National Shellfisheries Association Aug 2009

Abstracts Of Technical Papers Presented At The 101st Annual Meeting National Shellfisheries Association Savannah, Georgia March 22–26, 2009, National Shellfisheries Association

VIMS Articles

No abstract provided.


2009 Annual Report Estimating Relative Juvenile Abundance Of Ecologically Important Finfish In The Virginia Portion Of Chesapeake Bay, Troy D. Tuckey, Mary C. Fabrizio Jul 2009

2009 Annual Report Estimating Relative Juvenile Abundance Of Ecologically Important Finfish In The Virginia Portion Of Chesapeake Bay, Troy D. Tuckey, Mary C. Fabrizio

Reports

No abstract provided.


Section Abstracts: Agriculture, Forestry And Aquaculture Science Jul 2009

Section Abstracts: Agriculture, Forestry And Aquaculture Science

Virginia Journal of Science

Abstracts of the Agriculture, Forestry and Aquaculture Section for the 87th Annual Meeting of the Virginia Academy of Science, May 27-29, 2009, Virginia Commonwealth University, Richmond, VA.


Press Release: No Rats Found, Lab Results On Six Bird Tests Received Jul 2009

Press Release: No Rats Found, Lab Results On Six Bird Tests Received

US Fish & Wildlife Publications

The U.S. Fish and Wildlife Service has received laboratory results on an initial group of bird carcasses collected on Rat Island in late May and Early April. Examination of the livers of two bald eagles, two glaucus winged gulls, one peregrine falcon, and one rock sandpiper all tested positive for the rodenticide brodifacoum. We are in the process of analyzing all of the viable bird remains and tissue samples collected, in order to more fully understand the cause of mortalities and more effectively plan future operations in the Aleutians. Results will be released when they are available. In addition ...


Estimating Relative Abundance Of Young Of Year American Eel, Anguilla Rostrata, In The Virginia Tributaries Of Chesapeake Bay (Spring 2008), Troy D. Tuckey, Mary C. Fabrizio Jul 2009

Estimating Relative Abundance Of Young Of Year American Eel, Anguilla Rostrata, In The Virginia Tributaries Of Chesapeake Bay (Spring 2008), Troy D. Tuckey, Mary C. Fabrizio

Reports

The Atlantic States Marine Fisheries Commission (ASMFC) adopted the Interstate Fishery Management Plan (FMP) for the American eel in November 1999. The FMP focuses on increasing coastal states’ efforts to collect American eel data through both fishery-dependent and fishery-independent studies. Consequently, member jurisdictions agreed to implement an annual survey for young-of-year (YOY) American eels. The survey is intended to “…characterize trends in annual recruitment of the YOY eels over time [to produce a] qualitative appraisal of the annual recruitment of American eel to the U.S. Atlantic Coast” (ASMFC 2000). The development of these surveys began in 2000 with full ...


American Lobster Settlement Index: Looking Back, Looking Ahead 1989-2009, Maine Sea Grant Jun 2009

American Lobster Settlement Index: Looking Back, Looking Ahead 1989-2009, Maine Sea Grant

Maine Sea Grant Publications

Hosted by Bigelow Laboratory for Ocean Sciences and Maine Department of Marine Resources, a workshop celebrating the 20th anniversary of the American Lobster Settlement Index convened some 40 scientists, managers, and industry members and guests from New England and Atlantic Canada who have been involved in the monitoring and research linked to the Index over the years. The workshop's aim was to look back at the accomplishments of the Settlement Index over the past two decades and to set future monitoring, research and outreach priorities for the program. Rick Wahle of Bigelow Laboratory and Carl Wilson of DMR coordinated ...