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Articles 91 - 114 of 114
Full-Text Articles in Marine Biology
Morphology And Microanatomy Of Harbor Porpoise (Phocoena Phocoena ) Dorsal Fin Tubercles, Carly C. Ginter, S. Anne Boettger, Frank E. Fish
Morphology And Microanatomy Of Harbor Porpoise (Phocoena Phocoena ) Dorsal Fin Tubercles, Carly C. Ginter, S. Anne Boettger, Frank E. Fish
Biology Faculty Publications
No abstract provided.
Caribbean Leucothoidae (Crustacea: Amphipoda) Of Panama, Kristine N. White
Caribbean Leucothoidae (Crustacea: Amphipoda) Of Panama, Kristine N. White
Gulf and Caribbean Research
Leucothoid amphipods were collected from sponge, ascidian, and bivalve mollusk hosts around Bocas del Toro, Panama. New host and locality records are reported for 10 species. Morphological variation is noted in some species originally described from Belize and South Florida. Future molecular research will help to clarify the importance of this variation. A key to the Caribbean species of the Leucothoidae collected around Bocas del Toro, Panama is provided based on morphological characters.
A 50 Year Accomplishment In Marine Science: A History Of The Journal Published By The Gulf Coast Research Laboratory, Mark S. Peterson, Nancy J. Brown-Peterson, Sara E. Lecroy, Joyce M. Shaw, James S. Franks, Richard W. Heard
A 50 Year Accomplishment In Marine Science: A History Of The Journal Published By The Gulf Coast Research Laboratory, Mark S. Peterson, Nancy J. Brown-Peterson, Sara E. Lecroy, Joyce M. Shaw, James S. Franks, Richard W. Heard
Gulf and Caribbean Research
The Gulf Coast Research Laboratory (GCRL) has a 50 year history of annual publication of the peer-reviewed journal Gulf and Caribbean Research (GCR, 2000-present; formerly Gulf Research Reports (GRR) from 1961—1999). Other extant journals serving the region during this time include Contributions in Marine Science (since 1945), Proceedings of the Gulf and Caribbean Fisheries Institute (since 1948), Bulletin of Marine Science (since 1951), Revista de Biología Tropical (since 1953), and Caribbean Journal of Science (since 1961). In the early years of the GCR publication, papers were primarily concerned with research in Mississippi and the northern Gulf of Mexico (GOM), and …
The Dream Of Seaweed Farming Becomes Reality In Long Island Sound, Margaret (Peg) A. Van_Patten Ms.
The Dream Of Seaweed Farming Becomes Reality In Long Island Sound, Margaret (Peg) A. Van_Patten Ms.
Wrack Lines
Charles Yarish and collaborators have established a seaweed farm in Western Long Island Sound, off Bridgeport Connecticut via a research grant from Connecticut Sea Grant. Two species, Gracilaria tikvahiae and the kelp Saccharina latissima, are being grown as crops.
Evaluating Methods For Optimizing Classification Success From Otolith Tracers For Spotted Seatrout (Cynoscion Nebulosus) In The Chesapeake Bay, Stacy Kavita Beharry
Evaluating Methods For Optimizing Classification Success From Otolith Tracers For Spotted Seatrout (Cynoscion Nebulosus) In The Chesapeake Bay, Stacy Kavita Beharry
OES Theses and Dissertations
Identifying the natal sources of fish is an important step in understanding its population dynamics. Adult recruits are often sourced from multiple nursery areas, with good quality locations contributing disproportionately more fish to the adult stock. Because population persistence is strongly influenced by nursery habitat, methods that correctly identify the source of recruits are necessary for effective management. Within the last decade, otolith chemistry signatures have been increasingly used as a natural marker to delineate fish from a mixture of nursery sources. Despite the widespread use of otolith trace element and stable isotope ratios as habitat markers, the statistical approaches …
Emerging Issues And Methodological Advances In Fisheries Reproductive Biology, Nancy J. Brown-Peterson
Emerging Issues And Methodological Advances In Fisheries Reproductive Biology, Nancy J. Brown-Peterson
Faculty Publications
Although incorporating detailed reproductive data into all stock assessments is not a practical goal, the need to understand how reproductive biology affects population productivity is being increasingly recognized. More research focused on reproductive biology-coupled with a shift towards a resilience perspective in fisheries science-is resulting in challenges to many long-held assumptions; the emergence of important new issues; and identification of the need to improve data and methods used in reproductive studies. Typically, data for reproductive studies are based on an assessment of gonadal development, which is most accurately evaluated with histology. This special section of Marine and Coastal Fisheries contains …
Comparative Phylogeography Of The Coral Triangle And Implications For Marine Management, Kent E. Carpenter, Paul H. Barber, Eric D. Crandall, Maria Carmen A. Ablan-Lagman, Ambariyanto Ambariyanto, Gusti Ngurah Mahardika, B. Mabel Manjaji-Matsumoto, Marie Antonette Junio-Menez, Mudjekeewis D. Santos, Craig J. Starger, Abdul Hamid A. Toha
Comparative Phylogeography Of The Coral Triangle And Implications For Marine Management, Kent E. Carpenter, Paul H. Barber, Eric D. Crandall, Maria Carmen A. Ablan-Lagman, Ambariyanto Ambariyanto, Gusti Ngurah Mahardika, B. Mabel Manjaji-Matsumoto, Marie Antonette Junio-Menez, Mudjekeewis D. Santos, Craig J. Starger, Abdul Hamid A. Toha
Biological Sciences Faculty Publications
Extreme concentration of marine biodiversity and exploitation of marine resources in the Coral Triangle pose challenges to biogeographers and resource managers. Comparative phylogeography provides a powerful tool to test biogeographic hypotheses evoked to explain species richness in the Coral Triangle. It can also be used to delineate management units for marine resources. After about a decade of phylogeographical studies, patterns for theCoral Triangle are emerging. Broad connectivity in some species support the notion that larvae have maintained gene flow among distant populations for long periods. Other phylogeographic patterns suggest vicariant events resulting from Pleistocene sea level fluctuations, which have, at …
State Of The River Report For The Lower St. Johns River Basin, Florida: Water Quality, Fisheries, Aquatic Life, And Contaminants 2011, Environmental Protection Board, City Of Jacksonville, University Of North Florida, Jacksonville University
State Of The River Report For The Lower St. Johns River Basin, Florida: Water Quality, Fisheries, Aquatic Life, And Contaminants 2011, Environmental Protection Board, City Of Jacksonville, University Of North Florida, Jacksonville University
State of the River Report
No abstract provided.
Medusoid Cnidarians From The Montral-Alcover Lagerstätten (Triassic), Northeastern Spain, Aldemaro Romero Jr., Raymond R. Rogers, Lisa A. Gershwin
Medusoid Cnidarians From The Montral-Alcover Lagerstätten (Triassic), Northeastern Spain, Aldemaro Romero Jr., Raymond R. Rogers, Lisa A. Gershwin
Publications and Research
No abstract provided.
Distribution And Conservation Status Of Antillean Manatees (Trichechus Manatus Manatus) In Honduras, Daniel González-Socoloske, Cynthia R. Taylor, Olivia R. Rendon Thompson
Distribution And Conservation Status Of Antillean Manatees (Trichechus Manatus Manatus) In Honduras, Daniel González-Socoloske, Cynthia R. Taylor, Olivia R. Rendon Thompson
Faculty Publications
The Antillean manatee, Trichechus manatus manatus, is among the most threatened mammals in Honduras, yet the last published study is from 1980. Since then, the North Coast of Honduras has experienced rapid population growth and land cover change possibly causing habitat loss for manatees. We conducted aerial, boat, and interview surveys between 2005-2007 along the northern and remote eastern coasts of Honduras to assess the current status and distribution of manatees. In addition, we compiled all available data on manatee mortality from museum specimens, unpublished reports, and interviews to determine current threats. We averaged 1.2 manatee sightings per survey hour …
Resource Assessment Framework (Raf) For Finfish Resources In Western Australia, Department Of Fisheries
Resource Assessment Framework (Raf) For Finfish Resources In Western Australia, Department Of Fisheries
Fisheries Occasional Publications
No abstract provided.
Behavior Constrains The Dispersal Of Long-Lived Spiny Lobster Larvae, Mark J. Butler Iv, Claire B. Paris, Jason S. Goldstein, Hirokazu Matsuda, Robert K. Cowen
Behavior Constrains The Dispersal Of Long-Lived Spiny Lobster Larvae, Mark J. Butler Iv, Claire B. Paris, Jason S. Goldstein, Hirokazu Matsuda, Robert K. Cowen
Biological Sciences Faculty Publications
Behavior such as ontogenetic vertical migration (OVM) limits the transport of marine larvae with short pelagic larval durations (PLDs), but its effect on the supposed long-distance dispersal of larvae with long PLDs is unknown. We conducted laboratory tests of ontogenetic change in larval phototaxis and examined size-specific patterns of larval distribution in the plankton to characterize OVM in the Caribbean spiny lobster Panulirus argus during its long (6 mo) PLD. We then used a coupled biophysical model to explore the consequences of OVM and hydrodynamics on larval P. argus dispersal in the Caribbean Sea. Larvae reared in the laboratory were …
Disease Effects On Lobster Fisheries, Ecology, And Culture: Overview Of Dao Special 6, Donald C. Behringer, Mark J. Butler Iv, Grant D. Stentiford
Disease Effects On Lobster Fisheries, Ecology, And Culture: Overview Of Dao Special 6, Donald C. Behringer, Mark J. Butler Iv, Grant D. Stentiford
Biological Sciences Faculty Publications
Lobsters are prized by commercial and recreational fishermen worldwide, and their populations are therefore buffeted by fishery practices. But lobsters also remain integral members of their benthic communities where predator-prey relationships, competitive interactions, and host-pathogen dynamics push and pull at their population dynamics. Although lobsters have few reported pathogens and parasites relative to other decapod crustaceans, the rise of diseases with consequences for lobster fisheries and aquaculture has spotlighted the importance of disease for lobster biology, population dynamics and ecology. Researchers, managers, and fishers thus increasingly recognize the need to understand lobster pathogens and parasites so they can be managed …
Conservation Status Of Marine Biodiversity In Oceania: An Analysis Of Marine Species On The Iucn Red List Of Threatened Species, Beth A. Polidoro, Cristiane T. Elfes, Jonnell C. Sanciangco, Helen Pippard, Kent E. Carpenter
Conservation Status Of Marine Biodiversity In Oceania: An Analysis Of Marine Species On The Iucn Red List Of Threatened Species, Beth A. Polidoro, Cristiane T. Elfes, Jonnell C. Sanciangco, Helen Pippard, Kent E. Carpenter
Biological Sciences Faculty Publications
Given the economic and cultural dependence on the marine environment in Oceania and a rapidly expanding human population, many marine species populations are in decline and may be vulnerable to extinction from a number of local and regional threats. IUCN Red List assessments, a widely used system for quantifying threats to species and assessing species extinction risk, have been completed for 1190 marine species in Oceania to date, including all known species of corals, mangroves, seagrasses, sea snakes, marine mammals, sea birds, sea turtles, sharks, and rays present in Oceania, plus all species in five important perciformfish groups. Many of …
Distribution And Abundance Of Introduced Fishes In Florida's Charlotte Harbor Estuary, Charles F. Idelberger, Christopher J. Stafford, Sarah E. Erickson
Distribution And Abundance Of Introduced Fishes In Florida's Charlotte Harbor Estuary, Charles F. Idelberger, Christopher J. Stafford, Sarah E. Erickson
Gulf and Caribbean Research
A growing number of non-native fishes have been introduced into Florida waters in recent years, yet little information has been available on their distribution and abundance in southwest Florida. The ichthyofauna of the Charlotte Harbor estuary, Florida, was intensively sampled from 1989 through 2007. We collected eight introduced fish taxa: African jewelfish (Hemichromis letourneuxi), blue tilapia (Oreochromis aureus), brown hoplo (Hoplosternum littorale), grass carp (Ctenopharyngodon idella), Mayan cichlid (Cichlasoma urophthalmus), sailfin catfishes (Pterygoplichthys spp.), spotted tilapia (Tilapia mariae), and walking catfish (Clarias batrachus). These fishes …
Estimation Of Short-Term Tag-Induced Mortality In Horseshoe Crabs Limulus Polyphemus, Jennifer Mattei, Mark Beekey, H. R. Potter, C. S. Bond, Alyssa Woronik, J. A. Roberts, K. A. Smith
Estimation Of Short-Term Tag-Induced Mortality In Horseshoe Crabs Limulus Polyphemus, Jennifer Mattei, Mark Beekey, H. R. Potter, C. S. Bond, Alyssa Woronik, J. A. Roberts, K. A. Smith
Biology Faculty Publications
Horseshoe crabs Limulus Polyphemus range along the East Coast of the United States and over 150,000 of them have been marked with U.S. Fish and Wildlife Service disk tags. It has been assumed that the tags do not harm the animals and are similar to common epibionts often found on the shells of the horseshoe crabs. We investigated whether newlv tagged adult female horseshoe crabs would exhibit higher short-term mortality rates than untagged adult females. All crabs were collected from a beach in Connecticut and then were transported to a laboratory for the experiment. Tagging involved drilling a small hole …
Anaerobic Oxidation Of Methane And The Stoichiometry Of Remineralization Processes In Continental Margin Sediments, David J. Burdige, Tomoko Kamada
Anaerobic Oxidation Of Methane And The Stoichiometry Of Remineralization Processes In Continental Margin Sediments, David J. Burdige, Tomoko Kamada
OES Faculty Publications
In many coastal and continental margin sediments, pore-water property-property plots yield values of rc:s, the stoichiometric ratio of dissolved inorganic carbon (DIC) produced to sulfate reduced, that are lower than the commonly assumed value of 2. Remineralization of organic matter more reduced than CH2O can cause such observations, as can DIC loss due to authigenic carbonate precipitation. However, through studies of Santa Monica Basin sediments, we have observed that these observations could also be related to the occurrence of anaerobic oxidation of methane (AOM) in sediments. Specifically, using a reactive transport sediment model, we have shown …
Abundance Of Eukaryotic Microbes In The Deep Subtropical North Atlantic, Danielle Morgan-Smith, Gerhard J. Herndl, Hendrik M. Van Aken, Alexander B. Bochdansky
Abundance Of Eukaryotic Microbes In The Deep Subtropical North Atlantic, Danielle Morgan-Smith, Gerhard J. Herndl, Hendrik M. Van Aken, Alexander B. Bochdansky
OES Faculty Publications
The meso- and bathypelagic ocean comprises the largest habitat on earth, yet we know very little about the distribution and activity of protists in this environment. These small eukaryotes are responsible for controlling bacterial abundance in the surface ocean and are major players in the material and energy transfer of pelagic food webs. In this paper, we quantify microbial eukaryotes in the deep North Atlantic, as well as provide a basic characterization of eukaryote community changes through the water column. To this end, we counted organisms using 2 different approaches: (1) catalyzed reporter deposition fluorescence in situ hybridization (CARD-FISH, also …
Cascading Migrations And Implications For Vertical Fluxes In Pelagic Ecosystems, Stephen M. Bollens, Gretchen Rollwagen-Bollens, Joel A. Quenette, Alexander B. Bochdansky
Cascading Migrations And Implications For Vertical Fluxes In Pelagic Ecosystems, Stephen M. Bollens, Gretchen Rollwagen-Bollens, Joel A. Quenette, Alexander B. Bochdansky
OES Faculty Publications
Diel vertical migration is widespread across diverse taxa in the world's lakes and seas, yet its biogeochemical consequences are still poorly understood. The biologically mediated vertical flux of material in the ocean (also known as the "biological pump") is a matter of major interest and concern, as it is thought to play an important role in regulating ocean carbon storage, and by extension, the global carbon cycle. Recent studies spanning multiple trophic levels from fish to dinoflagellates have led us to a concept of coupled vertical migrations that we refer to as "cascading migrations". That is, migrations that …
Draft Genome Sequence Of Strain Himb100, A Cultured Representative Of The Sar116 Clade Of Marine Alphaproteobacteria, Jana Grote, Cansu Bayindirli, Kristin Bergauer, Paula C. De Moraes, Huan Chen, Lindsay D'Ambrosio, Bethany Edwards, Beatriz Fernandez-Gomez, Mariam Hamisi, Dan Nguyen, Yoshimi M. Rii, Emily Saeck, Charles Schutte, Brittany Widner
Draft Genome Sequence Of Strain Himb100, A Cultured Representative Of The Sar116 Clade Of Marine Alphaproteobacteria, Jana Grote, Cansu Bayindirli, Kristin Bergauer, Paula C. De Moraes, Huan Chen, Lindsay D'Ambrosio, Bethany Edwards, Beatriz Fernandez-Gomez, Mariam Hamisi, Dan Nguyen, Yoshimi M. Rii, Emily Saeck, Charles Schutte, Brittany Widner
OES Faculty Publications
Strain HIMB100 is a planktonic marine bacterium in the class Alphaproteobacteria. This strain is of interest because it is one of the first known isolates from a globally ubiquitous clade of marine bacteria known as SAR116 within the family Rhodospirillaceae. Here we describe preliminary features of the organism, together with the draft genome sequence and annotation. This is the second genome sequence of a member of the SAR116 clade. The 2,458,945 bp genome contains 2,334 protein-coding and 42 RNA gene
Characterization Of Putative Iron Responsive Genes As Species-Specific Indicators Of Iron Stress In Thalassiosiroid Diatoms, Leann P. Whitney, Jeremy J. Lins, Margaret P. Hughes, Mark L. Wells, P. Dreux Chappell
Characterization Of Putative Iron Responsive Genes As Species-Specific Indicators Of Iron Stress In Thalassiosiroid Diatoms, Leann P. Whitney, Jeremy J. Lins, Margaret P. Hughes, Mark L. Wells, P. Dreux Chappell
OES Faculty Publications
Iron (Fe) availability restricts diatom growth and primary production in large areas of the oceans. It is a challenge to assess the bulk Fe nutritional health of natural diatom populations, since species can differ in their physiological and molecular responses to Fe limitation. We assayed expression of selected genes in diatoms from the Thalassiosira genus to assess their potential utility as species-specific molecular markers to indicate Fe status in natural diatom assemblages. In this study, we compared the expression of the photosynthetic genes encoding ferredoxin (a Fe-requiring protein) and flavodoxin (a Fe-free protein) in culture experiments with Fe replete and …
Two Distinct, Geographically Overlapping Lineages Of The Corallimorpharian Ricordea Florida (Cnidaria: Hexacorallia: Ricordeidae), H. Torres-Pratts, T. Lado-Insua, Andrew L. Rhyne, L. Rodríguez-Matos, N. V. Schizas
Two Distinct, Geographically Overlapping Lineages Of The Corallimorpharian Ricordea Florida (Cnidaria: Hexacorallia: Ricordeidae), H. Torres-Pratts, T. Lado-Insua, Andrew L. Rhyne, L. Rodríguez-Matos, N. V. Schizas
Arts & Sciences Faculty Publications
We examined the genetic variation of the corallimorpharian Ricordea florida; it is distributed throughout the Caribbean region and is heavily harvested for the marine aquarium trade. Eighty-four distinct individuals of R. florida were sequenced from four geographically distant Caribbean locations (Curaçao, Florida, Guadeloupe, and Puerto Rico). Analysis of the ribosomal nuclear region (ITS1, 5.8S, ITS2) uncovered two geographically partially overlapping genetic lineages in R. florida, probably representing two cryptic species. Lineage 1 was found in Florida and Puerto Rico, and Lineage 2 was found in Florida, Puerto Rico, Guadeloupe, and Curaçao. Because of the multi-allelic nature of the ITS …
Metals In Sediments And Clams From The Indian River Lagoon, Florida: 2006–7 Versus 1992, John H. Trefry, Robert P. Trocine
Metals In Sediments And Clams From The Indian River Lagoon, Florida: 2006–7 Versus 1992, John H. Trefry, Robert P. Trocine
Ocean Engineering and Marine Sciences Faculty Publications
A 1992 survey of metal concentrations in sediments and clams from the Indian River Lagoon, Florida, was repeated during 2006–7. Concentrations of Cr, Ni, Se and V in sediments were at background values during both surveys with no indication of anthropogenic inputs. Average values for Ag, Cd and Zn in sediments, normalized to Al, were unchanged, but contamination was identified at several locations during both surveys. The proportion of sites with elevated values for sediment Cu, Hg and Pb increased between 1992 and 2006–7 from 22 to 65%, 9 to 35%, and 13 to 39%, respectively, with highest values near …
Distribution Of The Hermit Crabs Clibanarius Vittatus And Pagurus Maclaughlinae In The Northern Indian River Lagoon, Florida: A Reassessment After 30 Years, Christopher J. Kelly, Richard L. Turner
Distribution Of The Hermit Crabs Clibanarius Vittatus And Pagurus Maclaughlinae In The Northern Indian River Lagoon, Florida: A Reassessment After 30 Years, Christopher J. Kelly, Richard L. Turner
Ocean Engineering and Marine Sciences Faculty Publications
The present distribution of two hermit crabs, Clibanarius vittatus and Pagurus maclaughlinae, was assessed for comparison with a study done more than 30 yr ago on decapods of the region. Clibanarius vittatus presently occurs in low or moderate density only at Sebastian Inlet. Retreat of C. vittatus from sites that it formerly occupied is attributed to intolerance of its larvae to low salinities recorded in the lagoon during recent reproductive seasons. Pagurus maclaughlinae remains the most abundant and widespread hermit crab in the lagoon. Its present distribution seems unchanged from the reference study despite prolonged periods, sometimes years, during which …