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Journal articles on the topic 'Bivalves – Mortalité'

Author: Grafiati

Published: 29 August 2023

Last updated: 31 July 2025

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1

Sharov, A. N., T. B. Zaytseva, and N. G. Medvedeva. "Responses of <i>Unio pictorum</i> to the Presence of Toxic and Non-Toxic Strains of <i>Microcystis aeruginosa</i>." Биология внутренних вод, no. 6 (November 1, 2023): 876–83. http://dx.doi.org/10.31857/s0320965223060293.

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In order to assess the impact of cyanobacteria on mollusks under experimental conditions, the interaction of toxic and non-toxic strains of cyanobacteria Microcystis aeruginosa (Kützing) Kützing and bivalve mollusks Unio pictorum (L., 1758) was studied. Cyanobacteria have a negative effect on bivalve mollusks: 40% death of mollusks and deterioration of their adaptive capacity were recorded when co-cultivated with M. aeruginosa at a high cell concentration. At the same time, there was no difference in the mortality of mollusks incubated with toxic and non-toxic cyanobacteria. A decrease in the

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Haag, Wendell R., David J. Berg, David W. Garton, and Jerry L. Farris. "Reduced Survival and Fitness in Native Bivalves in Response to Fouling by the Introduced Zebra Mussel (Dreissena polymorpha) in Western Lake Erie." Canadian Journal of Fisheries and Aquatic Sciences 50, no. 1 (1993): 13–19. http://dx.doi.org/10.1139/f93-002.

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Fouling by the recently established zebra mussel (Dreissena polymorpha) causes differential effects among bivalve communities. In 3-mo experiments and surveys conducted in western Lake Erie during 1990, two native bivalves, Lampsilis radiata and Amblema plicata, showed consistent differences in mortality and biochemical indices of fitness in response to fouling by D. polymorpha. Lampsilis radiata was very sensitive to fouling, experiencing high mortality and reduced fitness in experiments and natural populations. In field experiments, female L. radiata suffered higher mortality and lower fitne

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3

Min, Joon-Gyu, Young-Chul Kim, and Kwang-Il Kim. "Role of Filter-Feeding Bivalves in the Bioaccumulation and Transmission of White Spot Syndrome Virus (WSSV) in Shrimp Aquaculture Systems." Pathogens 13, no. 12 (2024): 1103. https://doi.org/10.3390/pathogens13121103.

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White spot syndrome virus (WSSV) poses a major risk to shrimp aquaculture, and filter-feeding bivalves on shrimp farms may contribute to its persistence and transmission. This study investigated the bioaccumulation and vector potential of WSSV in Pacific oysters (Crassostrea gigas), blue mussels (Mytilus edulis), and manila clams (Venerupis philippinarum) cohabiting with WSSV-infected shrimp. Sixty individuals of each species (average shell lengths: 11.87 cm, 6.97 cm, and 5.7 cm, respectively) cohabitated with WSSV-infected shrimp (Penaeus vannamei, average body weight: 16.4 g) for 48 h. In th

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Scarpa, Fabio, Daria Sanna, Ilenia Azzena, et al. "Multiple Non-Species-Specific Pathogens Possibly Triggered the Mass Mortality in Pinna nobilis." Life 10, no. 10 (2020): 238. http://dx.doi.org/10.3390/life10100238.

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The fan mussel, Pinna nobilis, represents the largest bivalve endemic to the Mediterranean Sea. Since 2016, dramatic mass mortality of this species has been observed in several areas. The first surveys suggested that Haplosporidium pinnae (currently considered species-specific) was the main etiological agent, but recent studies have indicated that a multifactorial disease may be responsible for this phenomenon. In this study, we performed molecular diagnostic analyses on P. nobilis, P. rudis, and bivalve heterologous host species from the island of Sardinia to shed further light on the pathoge

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Lattos, Athanasios, Dimitrios K. Papadopoulos, Konstantinos Feidantsis, et al. "Antioxidant Defense of Mytilus galloprovincialis Mussels Induced by Marine Heatwaves in Correlation with Marteilia Pathogen Presence." Fishes 8, no. 8 (2023): 408. http://dx.doi.org/10.3390/fishes8080408.

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Background: The effects of climate change negatively affect marine bivalves’ health. Lately, the intensity of marine heatwaves poses serious threats to the aquatic environment setting of high-risk bivalve farming. Since temperature increases can jeopardize bivalves’ immunity response, pathogen infection becomes more evident. Reactive oxygen species (ROS) production, increased during the process of phagocytosis, is confronted by the animals’ antioxidant defense system. However, apart from pathogenic infections, antioxidant defense responses are also induced by seawater temperature increases; Me

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Matthews, T. G., and A. J. Constable. "Effect of flooding on estuarine bivalve populations near the mouth of the Hopkins River, Victoria, Australia." Journal of the Marine Biological Association of the United Kingdom 84, no. 3 (2004): 633–39. http://dx.doi.org/10.1017/s0025315404009671h.

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The densities of two common intertidal/shallow subtidal bivalves, Soletellina alba and Arthritica helmsi, were sampled in vegetated and unvegetated habitats of the Hopkins River estuary on three occasions during the autumn/winter 1995. Winter flooding coincided with mass mortalities of the infaunal bivalve S. alba, but not A. helmsi. Mortalities were apparent for individuals living deeper in the sediment (≈35 cm) in vegetated and unvegetated habitats, but small S. alba (<1 mm) were less susceptible to mortality than larger individuals (>1 mm). Mortalities were similar across different ha

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Khanam, Safia, Alia Bano Munshi, Hina Ahsan, and Razia Begum. "Impact of Organic Micropollutants Causing Mass Mortality of the Clams (Mactra aequisulcata) Due to Charactersitic Distribution at Karachi Coast, Pakistan." Biological Sciences - PJSIR 63, no. 3 (2020): 148–56. http://dx.doi.org/10.52763/pjsir.biol.sci.63.3.2020.148.156.

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 Mass mortality of bivalve clams along with some other marine fauna was observed during the month of May 2016, mainly consisting of the clams (Mactra aequisulcata) of family Veneridae surfaced over the Clifton coast. The occurrence of mass mortality of the venerid clams Mactra aequisulcata and other marine life has been studied due to the toxicity of chlorinated hydrocarbons (DDTs, HCHs, hexa chloro benzene (HCB), chlordane, dieldrin (4-chlorophenyl), methanol (TCPMOH) and heptachlor epoxide and polychlorinated biphenyls (PCBs). Significant compositional characteristics of PCBs and DDTs

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Kidwell, Susan M., and Thomas A. Rothfus. "The living, the dead, and the expected dead: variation in life span yields little bias of proportional abundances in bivalve death assemblages." Paleobiology 36, no. 4 (2010): 615–40. http://dx.doi.org/10.1666/09004.1.

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All else being equal, species with short life spans are expected to be overrepresented in time-averaged death assemblages relative to their standing abundance in the living community, but the magnitude of the distortion of proportional abundance and assemblage evenness has received little attention. Here, information from 30 data sets on the living and dead abundances of marine bivalves in local habitats is combined with a global compilation of bivalve life spans to determine whether bias from mortality rate can explain observed differences in species proportional abundances. Although bivalve

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Coughlan, Neil E., Eoghan M. Cunningham, Stephen Potts, et al. "Steam and Flame Applications as Novel Methods of Population Control for Invasive Asian Clam (Corbicula fluminea) and Zebra Mussel (Dreissena polymorpha)." Environmental Management 66, no. 4 (2020): 654–63. http://dx.doi.org/10.1007/s00267-020-01325-1.

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Abstract Control strategies for established populations of invasive alien species can be costly and complex endeavours, which are frequently unsuccessful. Therefore, rapid-reaction techniques that are capable of maximising efficacy whilst minimising environmental damage are urgently required. The Asian clam (Corbicula fluminea Müller, 1774), and the zebra mussel (Dreissena polymorpha Pallas, 1771), are invaders capable of adversely affecting the functioning and biodiversity of freshwater ecosystems. Despite efforts to implement substantial population-control measures, both species continue to

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Bellingeri, Arianna, Analía Ale, Tatiana Rusconi, et al. "Nanosilver Environmental Safety in Marine Organisms: Ecotoxicological Assessment of a Commercial Nano-Enabled Product vs an Eco-Design Formulation." Toxics 13, no. 5 (2025): 338. https://doi.org/10.3390/toxics13050338.

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With the increasing use of manufactured nanomaterials in consumer products, especially silver nanoparticles (AgNPs), concerns about their environmental impact are rising. Two AgNP formulations were tested, the commercial nanosilver product nanArgen™ and a newly eco-designed bifunctionalized nanosilver (AgNPcitLcys), using marine organisms across three trophic levels, microalgae, microcrustaceans, and bivalves. Acute toxicity was assessed on the diatom Phaeodactylum tricornutum, brine shrimp larvae Artemia franciscana, and bivalve Mytilus galloprovincialis. The behavior of the formulations in m

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Zhao, Chunnuan, Liqun Ren, Shuai Xu, et al. "Analysis of the Polyculture Model of the Bivalves Anadara broughtonii and Chlamys farreri in Suspension Cages in Shallow Seas." Fishes 9, no. 10 (2024): 413. http://dx.doi.org/10.3390/fishes9100413.

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This study examined the survival rates of Anadara broughtonii and Chlamys farreri with varying heights throughout winter and summer aquaculture periods under varying ratios of mixed-culture conditions in marine environments. The aim was to assess the viability and economic advantages of mixed-culture practices among different bivalve species. Results indicate that the winter (from December to February of the following year) mortality rate for A. broughtonii in mixed culture ranges from 12.04% to 16.85%, markedly lower than in single-species cultures. Mixed-culture A. broughtonii measuring 2.5–

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Ansell, A. D., L. Robb, and H. T. Powell. "Algal-induced dislodgement as a cause of bivalve mortality on some Scottish beaches." Journal of the Marine Biological Association of the United Kingdom 68, no. 2 (1988): 219–33. http://dx.doi.org/10.1017/s0025315400052139.

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During July 1984, large numbers of the sandy beach bivalve Donax vittatus (da Costa) were found either stranded in the intertidal, or washing to and fro in the surf on beaches at Dornoch, on the east coast of Scotland. The affected bivalves all carried large growths of several species of algae. The normal burrowing and recovery responses of the bivalves were unable to overcome the increased drag resulting from these epizoic algal colonies so that wave action caused dislodgement from the sand and eventually, stranding and death from dehydration. The resulting mortality affected mainly older ind

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Johnstone, Jackson, Ippei Suzuki, Randall William Davis, et al. "The effect of a harmful algal bloom (Karenia selliformis) on the benthic invertebrate community and the sea otter (Enhydra lutris) diet in eastern Hokkaido." PLOS ONE 19, no. 11 (2024): e0303126. http://dx.doi.org/10.1371/journal.pone.0303126.

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In recent decades, the locally extinct sea otter (Enhydra lutris lutris) has been recolonizing the coast of eastern Hokkaido. Their diet includes benthic invertebrates such as bivalves, sea urchins, snails, and chitons. In the fall of 2021, a harmful algal bloom (HAB) of Karenia selliformis occurred across Hokkaido’s northern and eastern coasts, leading to a massive mortality of sea urchins. This dinoflagellate produces a neurotoxin (gymnodimine) implicated in shellfish poisoning. To determine the effect of the HAB on the marine community, we conducted benthic surveys using SCUBA and visually

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Dairain, A., MY Engelsma, J. Drent, R. Dekker, and DW Thieltges. "High prevalences of disseminated neoplasia in the Baltic tellin Limecola balthica in the Wadden Sea." Diseases of Aquatic Organisms 138 (February 27, 2020): 89–96. http://dx.doi.org/10.3354/dao03448.

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The Baltic tellin Limecola balthica is one of the most common bivalves in intertidal areas in the Northern Hemisphere. Over the last 2 decades, the species has been suffering from a decrease in adult survival in the European Wadden Sea. While several factors such as global warming and fisheries have been suggested to influence the population dynamics of this bivalve mollusc, the potential role of diseases has never been investigated. In this study, we investigated whether disseminated neoplasia, a common proliferative disorder in bivalve molluscs, could play a potential role in the recent popu

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15

Ascenso, Rita M. T. "Bioinformatic tools help molecular characterization of Perkinsus olseni differentially expressed genes." Journal of Integrative Bioinformatics 8, no. 3 (2011): 130–40. http://dx.doi.org/10.1515/jib-2011-179.

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Abstract In the 80ies, in Southern Europe and in particular in Ria Formosa there was an episode of heavy mortality of the economically relevant clam Ruditapes (R.) decussatus associated with a debilitating disease (Perkinsosis) caused by Perkinsus olseni. This protozoan parasite was poorly known concerning its’ differential transcriptome in response to its host, R. decussatus. This laboratory available protozoan system was used to identify parasite genes related to host interaction. Beyond the application of molecular biology technologies and methodologies, only the help of Bioinformatics tool

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Yap, Tzuen Kiat, John Barry Gallagher, Ejria Saleh, and Vienna Anastasia Admodisastro. "The occurrence of boring bivalve (Genus: Zachsia), in a tropical seagrass meadow in Gaya Island (Sabah, Malaysia) and its possible ecological implications." Borneo Journal of Marine Science and Aquaculture (BJoMSA) 2 (December 4, 2018): 48–53. http://dx.doi.org/10.51200/bjomsa.v2i0.1554.

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 Shipworms (family Teredinidae) are specialized bivalves that bore into the submerged wooden structures and mangrove trees, except genus Zachsia which is associated with seagrass rhizome. However, only one species has been described, located in Russian, Korean and Japanese waters and associated only with genera Phyllospadix and Zostera. Potentially wider distributions and even new species within this group have not been reported from another bioregion. Given the potential impacts on seagrass health, it is important to ascertain if the distribution of Zachsia extends across other climatic

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Gerasimova, A. V., N. V. Maximovich, and N. A. Filippova. "Models of the bed structure dynamics of mass marine bivalves of the White Sea." Proceedings of the Zoological Institute RAS 327, no. 1 (2023): 75–97. http://dx.doi.org/10.31610/trudyzin/2023.327.1.75.

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The present paper is a synthesis of all the results of long-term (for almost 35 years) observations of beds of nine widespread bivalve species, carried out at the Marine Biological Station of St. Petersburg State University in the White Sea (Chupa Inlet mouth, Kandalaksha Bay). The purpose of the investigations is to identify the patterns of the spatial-temporal organization of bivalve beds. As a result, a generalized analysis of the reasons for the spatial and temporal heterogeneity of the bed structure of widespread long-lived bivalve species in an undisturbed environment is presented, and a

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Martínez-García, MF, JM Grijalva-Chon, R. Castro-Longoria, R. Castro-Longoria, A. Varela-Romero, and JE Chávez-Villalba. "Prevalence and genotypic diversity of ostreid herpesvirus type 1 in Crassostrea gigas cultured in the Gulf of California, Mexico." Diseases of Aquatic Organisms 138 (March 26, 2020): 185–94. http://dx.doi.org/10.3354/dao03462.

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In bivalve mollusk aquaculture, massive disease outbreaks with high mortality and large economic losses can occur, as in northwest Mexico in the 1990s. A range of pathogens can affect bivalves; one of great concern is ostreid herpesvirus 1 (OsHV-1), of which there are several strains. This virus has been detected in the Gulf of California in occasional or sporadic samplings, but to date, there have been few systematic studies. Monthly samples of Crassostrea gigas, water, and sediment were taken in the La Cruz coastal lagoon and analyzed by PCR. The native mollusk, Dosinia ponderosa, which live

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Khan, Mohammad Sadequr Rahman, Sabikun Nahar, Pranta Bhowmik, Mohammad Najmul Hasan, and Harun Or Rashid. "The survival and growth of adult and juvenile hard clam Meretrix meretrix exposed to variable estuarine salinities in aquarium settings." Research in Agriculture Livestock and Fisheries 11, no. 2 (2024): 239–54. http://dx.doi.org/10.3329/ralf.v11i2.76071.

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Salinity fluctuations in estuaries can significantly impact marine organisms, leading to economic losses through mass mortalities of commercially important species. The effects of varying estuarine salinities on the survival, daily mortality, and growth of adult and juvenile hard clam Meretrix meretrix under controlled aquarium conditions were investigated. Adults (shell length ~45 mm) and juveniles (shell length ~30 mm) were collected from an 18 ppt estuarine habitat in Chowfaldondi, southeast Bangladesh, and exposed to six salinity levels (10, 15, 20, 25, 30, and 35 ppt) with three replicati

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McMahon, Teagan, Diana Thatcher, Branwen Williams, et al. "Contrasting responses of commercially important Northwest Atlantic bivalve species to ocean acidification and temperature conditions." PLOS Climate 3, no. 11 (2024): e0000509. http://dx.doi.org/10.1371/journal.pclm.0000509.

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Modern calcifying marine organisms face numerous environmental stressors, including overfishing, deoxygenation, increasing ocean temperatures, and ocean acidification (OA). Coastal marine settings are predicted to become warmer and more acidic in coming decades, heightening the risks of extreme events such as marine heat waves. Given these threats, it is important to understand the vulnerabilities of marine organisms that construct their shells from calcium carbonate, which are particularly susceptible to warming and decreasing pH levels. To investigate the response of four commercially releva

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Green, Mark A., Michael E. Jones, Carrie L. Boudreau, Richard L. Moore, and Benjamin A. Westman. "Dissolution mortality of juvenile bivalves in coastal marine deposits." Limnology and Oceanography 49, no. 3 (2004): 727–34. http://dx.doi.org/10.4319/lo.2004.49.3.0727.

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Supono, Supono, Maria Mugica, Stefan Spreitzenbarth, and Andrew Jeffs. "Potential for Concentrated Microalgae as Replacement Diets for Juvenile Green-Lipped Mussels, Perna canaliculus." Aquaculture Research 2023 (February 21, 2023): 1–9. http://dx.doi.org/10.1155/2023/9841172.

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The nursery culture of bivalves typically relies on the feeding of costly live microalgae, while the use of natural sources of phytoplankton for feed is uncertain due to their variable quality and abundance. Replacement diets have been applied in bivalve nursery culture to replace live microalgae with varying success. This study investigated the potential use of two concentrated microalgal diets at a range of levels of substitution with live microalgae. Shellfish Diet 1800® (called SD) and LPB™ Frozen Shellfish Diet® (called LPB) were fed to juvenile green-lipped mussels (Perna canaliculus) at

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Noskovich, A. E. "On the diversity of settlements of the bivalve mollusk Macoma calcarea (Bivalvia,Tellinidae) off the coast of Novaya Zemlya." Transaction Kola Science Centre 11, no. 5-2020 (2020): 116–25. http://dx.doi.org/10.37614/2307-5252.2020.11.5.013.

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In the eastern part of the Barents Sea, there are 3 types of settlements of the bivalve mollusk Macoma calcarea. At low positive temperatures (from 0.6 to 1.3 оC),juveniles predominate on sandy-silty soils in settlements with low biomass, uneven growth and high mortality. In colder water masses (–0.4...–1.5 оC), M. calcareasettlements consist of long-lived, evenly growing large individuals that form high biomass values. In the settlement of group I, there was an increased elimination of certain size classes. The distribution of settlements depends little on the depth and salinity.

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López-Rocha, Jorge A., Francisco J. Fernández-Rivera Melo, Ernesto Gastélum-Nava, Estefani Larios-Castro, and Abril Romo-Piñera. "Morphometric Relationship, Growth Parameters, and Natural Mortality as Estimated Primary Inputs for Fishery Management in Newfishing Areas for Bivalve Molluscs (Bivalvia: Veneridae)." Journal of Shellfish Research 37, no. 3 (2018): 591–600. http://dx.doi.org/10.2983/035.037.0312.

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Arzul, Isabelle, Tristan Renault, Cécile Lipart, and Andrew J. Davison. "Evidence for interspecies transmission of oyster herpesvirus in marine bivalves." Journal of General Virology 82, no. 4 (2001): 865–70. http://dx.doi.org/10.1099/0022-1317-82-4-865.

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Since 1991, numerous herpesvirus infections associated with high mortality have been reported around the world in various marine bivalve species. In order to determine whether these infections are due to ostreid herpesvirus-1 (OsHV1), a previously characterized pathogen of the Japanese oyster (Crassostrea gigas), PCR analysis was carried out on 30 samples of larvae collected from four bivalve species (C. gigas, Ostrea edulis, Ruditapes decussatus and Ruditapes philippinarum), most exhibiting mortality prior to collection. All samples were shown to be infected by OsHV1. Viral genomes in three s

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BARGIONE, GIADA, STEFANO GUICCIARDI, MASSIMO VIRGILI, GIULIO BARONE, and ALESSANDRO LUCCHETTI. "Damage assessment on the discarded macro-benthic fauna in the Italian striped venus clam (Chamelea gallina) fisheries." Mediterranean Marine Science 25, no. 2 (2024): 404–17. http://dx.doi.org/10.12681/mms.36618.

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The striped venus clam fishery in Italy is carried out by means of hydraulic dredges and it is one of the most important socio- economic activities in the Italian fisheries sector. Dredging has traditionally been considered among fishing activities with the greatest impact at the ecosystem level. Here, therefore, we investigated the disturbance level exerted by dredging on the studied area. Also, damage and mortality rates exerted by dredging on the discarded macro-benthic fauna living associated with Chamelea gallina during the summer season were investigated using a four-level damage scale,

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Lattos, Athanasios, Dimitrios K. Papadopoulos, Konstantinos Feidantsis, Dimitrios Karagiannis, Ioannis A. Giantsis, and Basile Michaelidis. "Are Marine Heatwaves Responsible for Mortalities of Farmed Mytilus galloprovincialis? A Pathophysiological Analysis of Marteilia Infected Mussels from Thermaikos Gulf, Greece." Animals 12, no. 20 (2022): 2805. http://dx.doi.org/10.3390/ani12202805.

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Marine heatwaves (excessive seawater temperature increases) pose high risk to bivalves’ health and farming. The seawater temperature increase is responsible for various pathogen population expansions causing intense stress to marine organisms. Since the majority of knowledge so far derives from laboratory experiments, it is crucial to investigate stress responses in field conditions in order to understand the mechanisms leading to bivalves’ mortality events after exposure to temperature extremes. Thus, we evaluated the pathophysiological response of the Mediterranean mussel Mytilus galloprovin

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Jones, Hannah F. E., Conrad A. Pilditch, David P. Hamilton, and Karin R. Bryan. "Impacts of a bivalve mass mortality event on an estuarine food web and bivalve grazing pressure." New Zealand Journal of Marine and Freshwater Research 51, no. 3 (2016): 370–92. http://dx.doi.org/10.1080/00288330.2016.1245200.

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Andresen, Henrike, Matthias Strasser, and Jaap van der Meer. "Estimation of Density-Dependent Mortality of Juvenile Bivalves in the Wadden Sea." PLoS ONE 9, no. 8 (2014): e102491. http://dx.doi.org/10.1371/journal.pone.0102491.

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Parada, José Manuel, José Molares, and Xusto Otero. "Multispecies Mortality Patterns of Commercial Bivalves in Relation to Estuarine Salinity Fluctuation." Estuaries and Coasts 35, no. 1 (2011): 132–42. http://dx.doi.org/10.1007/s12237-011-9426-2.

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Pernet, Fabrice, Coralie Lupo, Cédric Bacher, and Richard J. Whittington. "Infectious diseases in oyster aquaculture require a new integrated approach." Philosophical Transactions of the Royal Society B: Biological Sciences 371, no. 1689 (2016): 20150213. http://dx.doi.org/10.1098/rstb.2015.0213.

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Emerging diseases pose a recurrent threat to bivalve aquaculture. Recently, massive mortality events in the Pacific oyster Crassostrea gigas associated with the detection of a microvariant of the ostreid herpesvirus 1 (OsHV-1µVar) have been reported in Europe, Australia and New Zealand. Although the spread of disease is often viewed as a governance failure, we suggest that the development of protective measures for bivalve farming is presently held back by the lack of key scientific knowledge. In this paper, we explore the case for an integrated approach to study the management of bivalve dise

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Nowlan, Joseph P., John S. Lumsden, and Spencer Russell. "Advancements in Characterizing Tenacibaculum Infections in Canada." Pathogens 9, no. 12 (2020): 1029. http://dx.doi.org/10.3390/pathogens9121029.

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Tenacibaculum is a genus of gram negative, marine, filamentous bacteria, associated with the presence of disease (tenacibaculosis) at aquaculture sites worldwide; however, infections induced by this genus are poorly characterized. Documents regarding the genus Tenacibaculum and close relatives were compiled for a literature review, concentrating on ecology, identification, and impacts of potentially pathogenic species, with a focus on Atlantic salmon in Canada. Tenacibaculum species likely have a cosmopolitan distribution, but local distributions around aquaculture sites are unknown. Eight spe

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Kim, Hyoun Joong, Sib Sankar Giri, Sang Guen Kim, et al. "Isolation and Characterization of Two Bacteriophages and Their Preventive Effects against Pathogenic Vibrio coralliilyticus Causing Mortality of Pacific Oyster (Crassostrea gigas) Larvae." Microorganisms 8, no. 6 (2020): 926. http://dx.doi.org/10.3390/microorganisms8060926.

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Vibrio coralliilyticus is one of the major pathogens causing mass mortality in marine bivalve larvae aquaculture. To prevent and control Vibrio spp. infections in marine bivalve hatcheries, various antibiotics are overused, resulting in environmental pollution and the creation of multi-drug-resistant strains. Therefore, research on the development of antibiotic substitutes is required. In this study, we isolated two bacteriophages (phages) that specifically infected pathogenic V. coralliilyticus from an oyster hatchery and designated them as pVco-5 and pVco-7. Both phages were classified as Po

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Bakran-Petricioli, Tatjana, Dajana Kujundžić, Martina Naranđa, Donat Petricioli, Lucija Petricioli, and Silvija Kipson. "Fouling Community on Pinna nobilis Larval Collectors in the Adriatic—Impact of Invasive Species." Journal of Marine Science and Engineering 11, no. 3 (2023): 618. http://dx.doi.org/10.3390/jmse11030618.

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In the last few years, the endemic Mediterranean bivalve Pinna nobilis has been exposed to dramatic mortality in its entire area, which could lead to the extinction of the species. Throughout the Mediterranean, a lot of effort is being put into finding ways of preserving it. One of the methods used to monitor recruitment and juveniles’ survival is the installation of collectors for bivalve larvae. We installed collectors at two locations: in Brijuni National Park (North Adriatic) and Luka Cove (central Adriatic). Our aim was to compare the fouling community on the collectors in two consecutive

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Kimmerer, Wim J., and Laurence Lougee. "Bivalve grazing causes substantial mortality to an estuarine copepod population." Journal of Experimental Marine Biology and Ecology 473 (December 2015): 53–63. http://dx.doi.org/10.1016/j.jembe.2015.08.005.

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Green, Mark A., George G. Waldbusser, Shannon L. Reilly, Karla Emerson, and Scott O'Donnell. "Death by dissolution: Sediment saturation state as a mortality factor for juvenile bivalves." Limnology and Oceanography 54, no. 4 (2009): 1037–47. http://dx.doi.org/10.4319/lo.2009.54.4.1037.

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Jessopp, M. J. "The quick and the dead: larval mortality due to turbulent tidal transport." Journal of the Marine Biological Association of the United Kingdom 87, no. 3 (2007): 675–80. http://dx.doi.org/10.1017/s0025315407055580.

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Marine populations are typically connected over greater spatial scales than their terrestrial counterparts due to many species having a highly dispersive, planktonic larval phase. However, high levels of larval mortality in the plankton may reduce connectivity between populations. The effect of turbulence on larval mortality was investigated under natural conditions in a field experiment. Larvae were collected before and after being subjected to turbulent tidal flow from a marine reserve, with differential mortality being observed between taxa. Thin-shelled veligers of gastropods and bivalves

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38

Reolid, Matías, Chaima Ayadi, Xin Jin, et al. "Climatic changes recorded during the Jenkyns Event (Early Jurassic) in the lacustrine sediments of the Sichuan Basin (China)." Geogaceta 76 (November 25, 2024): 23–26. http://dx.doi.org/10.55407/geogaceta104478.

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The Toarcian lacustrine deposits of the Sichuan Basin (China) are represented mainly by silty marlstones and bivalve rich limestones disposed in decametric-scale thickening upwards sequences. Dense accumulations of bivalve shells are related to episodes of mass mortality under oxygen depleted conditions in the bottom waters. The geochemical detrital proxies indicate a climatic turnover during the Toarcian. The lower part of the Toarcian succession is characterized by high values of Zr/Rb and Sr/Cu that point to warm and arid conditions, whereas the upper part is characterized by low values of

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BARO, JORGE, TERESA GARCIA, JAVIER URRA, MATIAS LOZANO, and JOSE LUIS RUEDA. "Exploitation status and stock assessment of the smooth clam Callista chione (Linnaeus, 1758) in the northern Alboran Sea (GSA01-W Mediterranean Sea)." Mediterranean Marine Science 19, no. 1 (2018): 1. http://dx.doi.org/10.12681/mms.14193.

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The smooth clam, Callista chione (Linnaeus, 1758), is a venerid bivalve widely appreciated in southern Spain where it represents the top commercial bivalve species in terms of landings and economic value. In this area, a total of 223 artisanal boats (68% of the artisanal fleet) are involved in shellfishing targeting bivalve molluscs, including the smooth clam. The artisanal mechanised dredging that targets C. chione in the northern Alboran Sea is described and the current exploitation status of its populations is analysed. A surplus-production model was run using ASPIC and used to assess the t

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Kwan, Tzu Nin, Christopher Bolch, and John Bowman. "Necrotic disease in bivalve larval cultures." Microbiology Australia 38, no. 3 (2017): 131. http://dx.doi.org/10.1071/ma17048.

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The health of marine bivalve larvae is greatly affected by bacteria in the environment particularly when reared in marine hatcheries. This is generally because high stocking densities resulting in high organic loads of both food and faeces, can support increased bacterial growth and biomass levels. Increased bacterial load can lead to larval disease referred to as bacillary necrosis (BN) leading in turn to rapid larval mortality and loss of production. Despite more than 50 years since the first detailed description of BN, we still do not fully understand its causes and mechanisms. Through the

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Barbosa Solomieu, Valérie, Tristan Renault, and Marie-Agnès Travers. "Mass mortality in bivalves and the intricate case of the Pacific oyster, Crassostrea gigas." Journal of Invertebrate Pathology 131 (October 2015): 2–10. http://dx.doi.org/10.1016/j.jip.2015.07.011.

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Valkirs, Aldis O., Bradley M. Davidson, and Peter F. Seligman. "Sublethal growth effects and mortality to marine bivalves from long-term exposure to tributyltin." Chemosphere 16, no. 1 (1987): 201–20. http://dx.doi.org/10.1016/0045-6535(87)90124-x.

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Derbali, Abdelkarim. "Age, growth, mortality and population structure of Polititapes aureus (Mollusca: Bivalvia) in the Gulf of Gabes, Tunisia." Oceanological and Hydrobiological Studies 53, no. 2 (2024): 102–10. http://dx.doi.org/10.26881/oahs-2024.2.01.

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The population dynamics of Polititapes aureus from Tunisia were investigated monthly during a one-year period (2018). The possible future commercial benefits of the species as a significant resource of artisanal fisheries require better knowledge of its population dynamics. This study provides the first insight into population parameters by investigating its population structure, growth, mortality, and exploitation rate. Allometric relationships between body size and length were determined. The shell length/ total weight ratio indicated a positive allometric growth and was expressed as TW = 0.

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Pafras, Dimitris, Alexandros Theocharis, Gerasimos Kondylatos, Alexis Conides, and Dimitris Klaoudatos. "Population Biology of the Non-Indigenous Rayed Pearl Oyster (Pinctada radiata) in the South Evoikos Gulf, Greece." Diversity 16, no. 8 (2024): 460. http://dx.doi.org/10.3390/d16080460.

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The Atlantic pearl oyster Pinctada radiata (Leach, 1814), the first documented Lessepsian bivalve species to enter the Mediterranean basin, is present in various coastal areas in Greece, and constitutes, almost exclusively, a domestic commercial bivalve resource. The present study aimed to contribute to the limited information available on P. radiata population structure and dynamics in Hellenic waters, especially following the recent enforcement of legislation for regulation of its fishery. A total of 703 individuals were collected using scuba diving from the South Evoikos Gulf. The male-to-f

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Walter, John, John M. Hoenig, Robert J. Wood, and Karen Marti. "An estimator of episodic mortality in bivalves with an application to sea scallops (Placopecten magellanicus)." Fisheries Research 86, no. 2-3 (2007): 85–91. http://dx.doi.org/10.1016/j.fishres.2007.05.001.

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JOLY, J. P., N. COCHENNEC-LAUREAU, A. FOUGEROUSE, and C. FRANÇOIS. "Les réseaux d’épidémio-surveillance REPANUI et REPAMO." INRAE Productions Animales 20, no. 3 (2007): 229–32. http://dx.doi.org/10.20870/productions-animales.2007.20.3.3462.

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Le réseau français REPAMO a été créé en 1992 pour répondre aux directives européennes relatives aux conditions de police sanitaire des animaux d’aquaculture et au contrôle de certaines maladies affectant les mollusques bivalves. Ses missions sont : 1) la surveillance des maladies à déclaration obligatoire présentes en France, 2) l’étude des mortalités anormales, 3) la surveillance du statut zoosanitaire des populations de mollusques sauvages ou cultivés. Le réseau REPANUI a été créé plus récemment pour répondre à des buts similaires, en insistant plus particulièrement sur le suivi de la santé

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Mandic, Milica, Nikolić Slađana Gvozdenović, Ines Kokić, and Sandra Jokanović. "Mass mortality of farmed mussels – a phenomenon without explanation?" Studia Marina 37, no. 1 (2024): 5–21. https://doi.org/10.5281/zenodo.12749090.

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First mass mortality event of farmed mussels (<em>Mytilus galloprovincialis </em>Linnaeus, 1758), took place in the area of the Boka Kotorska Bay (southern Adriatic Sea) in the period from June to September 2020. The mortality caused a loss of production in the range of 80-90%. Possible ecological and environmental causes of this phenomenon were analyzed by the analyses of mussel cultivation technology, basic physico-chemical parameters of sea water, sanitary water quality analyses, condition index, analysis of the presence of the ectoparasite <em>Stylochus mediterraneus</em> Galleni, 1976 and

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Ricciardi, A., J. B. Rasmussen, and F. G. Whoriskey. "Predicting the intensity and impact of Dreissena infestation on native unionid bivalves from Dreissena field density." Canadian Journal of Fisheries and Aquatic Sciences 52, no. 7 (1995): 1449–61. http://dx.doi.org/10.1139/f95-140.

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Introduced dreissenid mussels (Dreissena polymorpha and Dreissena bugensis) foul native unionid bivalves by attaching to their shells in large clusters and may critically impair many North American unionids that are already threatened by habitat degradation. Using literature and new field data, we examined patterns of Dreissena infestation on unionids, and the relationships between Dreissena field density, infestation intensity, and unionid mortality. Linear regression models showed that Dreissena field density strongly predicts (i) the proportion of unionids colonized by dreissenids (r2 = 0.9

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Min, Joon-Gyu, Hyun-Do Jeong, and Kwang-Il Kim. "Identification of Various InDel-II Variants of the White Spot Syndrome Virus Isolated from Frozen Shrimp and Bivalves Obtained in the Korean Commercial Market." Animals 13, no. 21 (2023): 3348. http://dx.doi.org/10.3390/ani13213348.

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White spot syndrome virus (WSSV) poses a significant threat to the global shrimp industry. We investigated the presence of WSSV in frozen shrimp (n = 86) and shellfish (n = 185) from the Korean market (2010–2018). The detection rate of first-step polymerase chain reaction (PCR) in domestic shrimp was 36.8% (7/19), whereas that in imported shrimp was 0.01% (1/67). Furthermore, the WSSV genome was amplified from domestic bivalve mollusks by first- and second-step PCR with accuracies of 3.4% (5/147) and 15.6% (23/147), respectively. The genetic relatedness of InDel-II regions among WSSVs detected

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Bódis, E., B. Tóth, and R. Sousa. "Massive mortality of invasive bivalves as a potential resource subsidy for the adjacent terrestrial food web." Hydrobiologia 735, no. 1 (2013): 253–62. http://dx.doi.org/10.1007/s10750-013-1445-5.

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