Publications by Journal of Shellfish ResearchResent articles by the "Journal of Shellfish Research" from The Free Libraryhttp://www.thefreelibrary.comen-usFarlex, Inc.Tue, 29 Dec 2009 12:05:08 GMT360Free Online Libraryhttp://www.thefreelibrary.comhttp://www.thefreelibrary.com/_/static/TFLbyFarlex.gif17565Sat, 1 Aug 2009 00:00:00 Erratum.http://www.thefreelibrary.com/Erratum.-a0206172596POPULATION STUDIES OF THE NATIVE OYSTER, CRASSOSTREA VIRGINICA, (GMELIN, 1791) IN THE JAMES RIVER, VIRGINIA, USA ROGER MANN, MELISSA SOUTHWORTH, JULIANA M. HARDING AND JAMES A. WESSON

[Article in Journal of Shellfish Research, Vol. 28, No. 2, 193-220, 2009.

]]>Sat, 1 Aug 2009 00:00:00 Habitat use and population dynamics of blue crabs, Callinectes sapidus, in a high-salinity embayment.http://www.thefreelibrary.com/Habitat+use+and+population+dynamics+of+blue+crabs%2c+Callinectes...-a0206172595ABSTRACT A high-salinity embayment located near Beaufort, North Carolina was surveyed to create a bathymetric profile of the main basin. To examine population dynamics and habitat use within the embayment, over 3,000 blue crab locations, sex, size, and egg stage were recorded during nocturnal low tides. Males and females partitioned habitat, with males concentrated in the shallower upper...]]>Sat, 1 Aug 2009 00:00:00 Effects of ultraviolet radiation on gametic function during fertilization in zebra mussels (Dreissena polymorpha).http://www.thefreelibrary.com/Effects+of+ultraviolet+radiation+on+gametic+function+during...-a0206172594ABSTRACT The gamete-specific effects of UV radiation on fertilization in the invasive freshwater zebra mussel (Dreissena polymorpha) are addressed. Both eggs and sperm of zebra mussels were highly sensitive to UVB. Sperm irradiated with 118 mJ/ [cm.sup.2] UVB showed decreased fertilization rates when inseminating nonirradiated eggs. Sperm binding was unaffected; however, acrosomal integrity...]]>Sat, 1 Aug 2009 00:00:00 Growth and mortality of common octopus (Octopus vulgaris) fed a monospecific fish diet.http://www.thefreelibrary.com/Growth+and+mortality+of+common+octopus+(Octopus+vulgaris)+fed+a...-a0206172593ABSTRACT The profitability of octopus ongrowing remains limited because low cost artificial diets have not yet been effectively developed. Therefore, alternative, low cost diets are worth exploring. In this study, we have investigated the growth and mortality of octopuses fed strictly on mackerel (Scomber colias), a low cost fish, readily available in the Azores Archipelago. Different weight...]]>Sat, 1 Aug 2009 00:00:00 Molecular analyses indicate homogenous structure of abalone across morphologically different Haliotis rubra collections in South Australia.http://www.thefreelibrary.com/Molecular+analyses+indicate+homogenous+structure+of+abalone+across...-a0206172592ABSTRACT It is widely accepted that the identification and management of abalone populations is critical for the ongoing sustainability of the fishery. However management of the endemic blacklip abalone throughout the Australian states generally occurs over large spatial scales and in some instances, across morphologically different populations on a finer scale. In this study, we use molecular...]]>Sat, 1 Aug 2009 00:00:00 Genetic connectivity among pink abalone Haliotis corrugata populations.http://www.thefreelibrary.com/Genetic+connectivity+among+pink+abalone+Haliotis+corrugata...-a0206172591ABSTRACT The understanding of genetic connectivity among populations is important for the management of fisheries, particularly in overexploited benthic species such as the pink abalone Haliotis corrugata, which might have limited dispersal because of a short-term pelagic larval stage. Eight microsatellite DNA loci (Hcol 5, Hcol 6, Hco19, Hco22, Hco47, Hco97, Hco194, and Hka56) from specimens...]]>Sat, 1 Aug 2009 00:00:00 Feeding preferences of the abalone Haliotis iris in relation to macroalgal species, attachment, accessibility and water movement.http://www.thefreelibrary.com/Feeding+preferences+of+the+abalone+Haliotis+iris+in+relation+to...-a0206172590ABSTRACT Haliotis iris is a species of abalone common on rocky reefs in southern and central New Zealand. This study examined the poorly understood feeding habits and preferences of H. iris in a series of laboratory experiments. Generally, H. iris consumed the blades of brown algae over red and green algae. However, when upright whole plants were given to H. iris, the highly preferred kelp...]]>Sat, 1 Aug 2009 00:00:00 Food dependent movement of periwinkles (Littorina littorea) associated with feeding fronts.http://www.thefreelibrary.com/Food+dependent+movement+of+periwinkles+(Littorina+littorea)...-a0206172589ABSTRACT Consumer aggregations have the potential to drastically change the distribution and availability of resources. One form of aggregation observed in marine benthic invertebrates is the feeding front: a dense band of consumers that travels in a directional manner through a food patch, leaving a cleared area behind it. By artificially creating spatial heterogeneity in the distribution of...]]>Sat, 1 Aug 2009 00:00:00 Gonadal cycle of Tegula eiseni (Jordan 1936) (Mollusca: Gastropoda) in Bahia Asuncion, Baja California Sur, Mexico.http://www.thefreelibrary.com/Gonadal+cycle+of+Tegula+eiseni+(Jordan+1936)+(Mollusca%3a+Gastropoda)...-a0206172588ABSTRACT The gonadal cycle of Tegula eiseni (Jordan, 1936) was determined on monthly samples (25-30 organistas) collected from a population in Bahia Asuncion, B.C.S., from January 2006 to December 2006. The results of the histological study indicate that both males and females show stages of gametogenesis and gonad maturation throughout the year and only two major spawning events: one in...]]>Sat, 1 Aug 2009 00:00:00 The settlement cues of an articulated coralline alga Marginisporum crassissima for the Japanese top shell Turbo cornutus.http://www.thefreelibrary.com/The+settlement+cues+of+an+articulated+coralline+alga+Marginisporum...-a0206172587ABSTRACT Laboratory experiments were conducted to identify settlement cues of larval top shell Turbo cornutus on the articulated coralline alga Marginisporum crassissima. Fragments of M. crassissima strongly induced the larval settlement of the top shell. The settlement percentage of the larvae on ethanol-killed fragments of M. crassissima was significantly lower than on intact algal...]]>Sat, 1 Aug 2009 00:00:00 Maturation process of broodstock of the pen shell Atrina pectinata (Linnaeus, 1767) in suspension culture.http://www.thefreelibrary.com/Maturation+process+of+broodstock+of+the+pen+shell+Atrina+pectinata...-a0206172586ABSTRACT The processes of gametogenesis and maturation in broodstock of the scaly-type pen shell Atrina pectinata in suspension culture were studied throughout the year. Gametogenesis in both sexes was initiated in February, when the water temperature was lowest. Gonad development and subsequent maturation occurred from March to September as the water temperature and food density increased....]]>Sat, 1 Aug 2009 00:00:00 Co-culture of the sea urchin Paracentrotus lividus and the edible mussel Mytilus edulis L. on the west coast of Scotland, United Kingdom.http://www.thefreelibrary.com/Co-culture+of+the+sea+urchin+Paracentrotus+lividus+and+the+edible...-a0206172585ABSTRACT The sea urchin Paracentrotus lividus was grown on commercial mussel long-lines with the blue mussel, Mytilus edulis, at a farm in Loch Beag, on the west coast of Scotland, to investigate if enhanced sea urchin survivorship and performance (somatic and gonadal) resulted from sea urchin-mussel co-culture system. The sea urchins were red four diets including: two class sizes of M....]]>Sat, 1 Aug 2009 00:00:00 Characterization of ten microsatellite loci in the blue mussel Mytilus edulis.http://www.thefreelibrary.com/Characterization+of+ten+microsatellite+loci+in+the+blue+mussel...-a0206172584ABSTRACT Mussels of the genus Mytilus are ecologically and commercially important worldwide, and they form hybrid complexes where their distributions overlap. Allozyme and nuclear markers have been used to investigate their genetics over many years, but successful development of reliable highly valuable microsatellite markers has lagged behind other shellfish species. We have developed and...]]>Sat, 1 Aug 2009 00:00:00 First report of Cryptosporidium sp. (coccidia, apicomplexa) oocysts in the black mussel (Mytilus galloprovincialis) reared in the Mali Ston Bay, Adriatic Sea.http://www.thefreelibrary.com/First+report+of+Cryptosporidium+sp.+(coccidia%2c+apicomplexa)+oocysts...-a0206172583ABSTRACT Cryptosporidium spp. are obligate intracellular apicomplexan parasites that infect epithelial cells of the gastrointestinal systems of a wide range of vertebrate hosts, including humans. Its importance as a serious public health threat was recognized only since the HIV pandemic. Because of the particular filter feeding behavior of bivalves, these marine organisms are susceptible to...]]>Sat, 1 Aug 2009 00:00:00 A metabolic model for the ocean quahog Arctica islandica--effects of animal mass and age, temperature, salinity, and geography on respiration rate.http://www.thefreelibrary.com/A+metabolic+model+for+the+ocean+quahog+Arctica+islandica--effects+of...-a0206172582ABSTRACT Owing to its extraordinary lifespan and wide geographical distribution along the continental margins of the North Atlantic Ocean, the ocean quahog Arctica islandica may become an important indicator species in environmental change research. To test for applicability and "calibrate" the Arctica-indicator, metabolic properties of A. islandica specimens were compared across different...]]>Sat, 1 Aug 2009 00:00:00 Involvement of [Ca.sup.2+] signaling pathway during oocyte maturation of the northern quahog Mercenaria mercenaria.http://www.thefreelibrary.com/Involvement+of+%5bCa.sup.2%2b%5d+signaling+pathway+during+oocyte+maturation...-a0206172581ABSTRACT In many molluscs, it has been found that [Ca.sup.2+] signaling pathway is involved in the resumption of meiotic maturation in oocytes. To better understand the possible role of [Ca.sup.2+] signaling pathway in regulating meiotic maturation in oocytes of the northern quahog Mercenaria mercenaria, free extracellular [Ca.sup.2+], A23187 (calcium ionophore), verapamil (calcium channel...]]>Sat, 1 Aug 2009 00:00:00 Population structure, growth, and production of the wedge clam Donax hanleyanus (Bivalvia: Donacidae) from northern Argentinean beaches.http://www.thefreelibrary.com/Population+structure%2c+growth%2c+and+production+of+the+wedge+clam+Donax...-a0206172580ABSTRACT Donax hanleyanus Philippi, 1847 (Bivalvia: Donacidae) dominates fine to coarse sandy beach communities of the northern Argentinean Atlantic coast. The population biology of this intertidal wedge clam was studied by determining population structure, growth and production at the three locations Santa Teresita, Mar de las Pampas (both from December 2005 to December 2006) and Faro...]]>Sat, 1 Aug 2009 00:00:00 Natural variation in larval size and developmental rate of the northern quahog Mercenaria mercenaria and associated effects on larval and juvenile fitness.http://www.thefreelibrary.com/Natural+variation+in+larval+size+and+developmental+rate+of+the...-a0206172579ABSTRACT Larval size and developmental rate can vary tremendously within and among cohorts because of genetics, environment, and maternal investment. This natural variation in larvae may have effects that span multiple life stages. Here we investigate the effects of larval size and developmental stage on the subsequent life stages of the commercially and ecologically important clam Mercenaria...]]>Sat, 1 Aug 2009 00:00:00 Spatial and temporal variation in the shell height/meat weight relationship of the sea scallop Placopecten magellanicus in the Georges Bank fishery.http://www.thefreelibrary.com/Spatial+and+temporal+variation+in+the+shell+height%2fmeat+weight...-a0206172578ABSTRACT Spatial and temporal variations in the meat weight of sea scallops were examined in the Georges Bank fishery. From 1998-2007, 31 commercial scallop vessels supplied 145 dissections from the last tow of their fishing trip. During the dissection process we recorded the shell height, meat weight, sex, gonad weight, and visceral tissue weight. Meat weight was regressed against shell...]]>Sat, 1 Aug 2009 00:00:00 Comparison between in vivo force recordings during escape responses and in vitro contractile capacities in the sea scallop Placopecten magellanicus.http://www.thefreelibrary.com/Comparison+between+in+vivo+force+recordings+during+escape+responses...-a0206172577ABSTRACT During their escape response, scallops swim, using jet propulsion created by rhythmically opening and closing their valves. Valve closure is powered by the large adductor muscle that acts against the hinge ligament. We compared in vivo force production during escape responses and in vitro isometric contractions measured on fiber bundles from the sea scallop Placopecten magellanicus....]]>Sat, 1 Aug 2009 00:00:00 Enhancing the potential for population recovery: restoration options for bay scallop populations, Argopecten irradians concentricus, in North Carolina.http://www.thefreelibrary.com/Enhancing+the+potential+for+population+recovery%3a+restoration+options...-a0206172576ABSTRACT Historically depressed bay scallop populations in North Carolina have retained some capacity to replenish themselves. However, continued abnormally high predation by cownose rays, and growing degradation of seagrass beds may limit bay scallop population recovery. We modified existing methods for protecting spawning adult scallops from cownose rays (stockades) and enhancing scallop set...]]>Sat, 1 Aug 2009 00:00:00 Annual reproductive effort of Pacific winged pearl oyster Pteria sterna and its relation with the timing for planning pearl seeding operations.http://www.thefreelibrary.com/Annual+reproductive+effort+of+Pacific+winged+pearl+oyster+Pteria...-a0206172575ABSTRACT Using a combination of stereological and calorimetric methods, we studied reproductive effort of Pacific winged pearl oyster Pteria sterna during ah annual cycle in Bahia de La Paz, B.C.S., Mexico. The relationship between changes in the volumetric fraction of germinal and somatic tissues (gonad, digestive gland, adductor muscle, and mantle tissue) and changes in their energy content...]]>Sat, 1 Aug 2009 00:00:00 Growth of cultured pearl oyster (Pinctada Martensii) in Li'an Lagoon, Hainan Island, China.http://www.thefreelibrary.com/Growth+of+cultured+pearl+oyster+(Pinctada+Martensii)+in+Li'an+Lagoon%2c...-a0206172574ABSTRACT Growth of pearl oysters, Pinctada martensii was studied from June 2003 to March 2005 in Li'an Lagoon of Hainan Island in China. Shell height (SH) and total weight (TW) were measured monthly and temperature was recorded daily. The growth of oysters is characterized by fast initial growth of SH in the first year, followed by rapid increase of TW in the second year. Growth of SH was...]]>Sat, 1 Aug 2009 00:00:00 Development and validation of a real-time quantitative PCR assay for the detection and quantification of Perkinsus marinus in the Eastern oyster, Crassostrea virginica.http://www.thefreelibrary.com/Development+and+validation+of+a+real-time+quantitative+PCR+assay+for...-a0206172573ABSTRACT Perkinus marinus causes a devastating disease, known as Dermo, in the Eastern oyster Crassostrea virginica. Routine detection of the disease is traditionally accomplished by the use of the Ray/Makin assay, using Fluid Thioglycollate Medium (RFTM). A simple real-time quantitative PCR assay was developed asa diagnostic tool to detect and quantify P. marinus, to complement and serve as...]]>Sat, 1 Aug 2009 00:00:00 Laboratory hybridization between Crassostrea ariakensis and C. sikamea.http://www.thefreelibrary.com/Laboratory+hybridization+between+Crassostrea+ariakensis+and+C....-a0206172572ABSTRACT To understand possible reproductive interaction between Crassostrea ariakensis (Fujita, 1913) and C. sikamea (Amemiya, 1928), which coexist in estuaries of China and Japan, we conducted 2 x 2 factorial crosses between the two species. Asymmetry in fertilization success was observed, where C. sikamea eggs can be fertilized by C. ariakensis sperm, and the reciprocal cross resulted in no...]]>Sat, 1 Aug 2009 00:00:00 Spatial patterns of wild oysters in the Hawkesbury River, NSW, Australia.http://www.thefreelibrary.com/Spatial+patterns+of+wild+oysters+in+the+Hawkesbury+River%2c+NSW%2c...-a0206172571ABSTRACT The native Sydney rock oyster, Saccostrea glomerata, is under increasing threat from QX disease, competition with nonnative Crassostrea gigas and coastal development. Knowledge of the distribution and population structure of S. glomerata and C. gigas is essential if oysters and their ecosystem services ate to be successfully managed. We determined spatial patterns of abundance,...]]>Sat, 1 Aug 2009 00:00:00 Seasonal variation of physiological parameters in the eastern oyster Crassostrea virginica from a tropical region of the Gulf of Mexico.http://www.thefreelibrary.com/Seasonal+variation+of+physiological+parameters+in+the+eastern+oyster...-a0206172570ABSTRACT Natural variation in the physiological variables of the eastern oyster Crassostrea virginica from a tropical climate have until now been poorly documented. This study was conducted to characterize the influence of hydrological variables (salinity, temperature, nitrate, nitrite, ammonium, soluble reactive phosphorus [SRP], and soluble reactive silica [SRSi]) on oyster physiological...]]>Sat, 1 Aug 2009 00:00:00 Early larval development of the Sydney rock oyster Saccostrea glomerata under near-future predictions of C[O.sup.2]-driven ocean acidification.http://www.thefreelibrary.com/Early+larval+development+of+the+Sydney+rock+oyster+Saccostrea...-a0206172569ABSTRACT Anthropogenic emissions of carbon dioxide (CO2) from fossil fuel combustion and deforestation are rapidly increasing the atmospheric concentration of C[O.sub.2] and reducing the pH of the oceans. This study shows that predicted near-future levels of ocean acidification have significant negative effects on early larval development of the Sydney rock oyster Saccostrea glomerata (Gould,...]]>Sat, 1 Aug 2009 00:00:00 Shifting through time: oysters and shell rings in past and present Southeastern estuaries.http://www.thefreelibrary.com/Shifting+through+time%3a+oysters+and+shell+rings+in+past+and+present...-a0206172568ABSTRACT Oysters and oyster reefs are important components m the rich and productive southeastern US marsh-estuarine ecosystems. In recent decades, ecological research has shown that these complex systems can be driven by external biotic and abiotic perturbations or internal system dynamics that cause the system to rapidly reorganize into another alternate state or regime. Such shifts may have...]]>Wed, 1 Apr 2009 00:00:00 A novel shell color variant of the Pacific abalone Haliotis discus hannai ino subject to genetic control and dietary influence.http://www.thefreelibrary.com/A+novel+shell+color+variant+of+the+Pacific+abalone+Haliotis+discus...-a0199683903ABSTRACT Molluscan shells may display a variety of colors, which formation, inheritance, and evolutionary significance are not well understood. Here we report a new variant of the Pacific abalone Haliotis discus hannai that displays a novel orange shell coloration (O-type) that is clearly distinguishable from the wild green-shelled abalone (G-type). Controlled mating experiments between O- and...]]>