Bivalve Mollusc Exploitation in Mediterranean Coastal Communities: an Historical Approach
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Faunistic Assemblages of a Sublittoral Coarse Sand Habitat of the Northwestern Mediterranean
Scientia Marina 75(1) March 2011, 189-196, Barcelona (Spain) ISSN: 0214-8358 doi: 10.3989/scimar.2011.75n1189 Faunistic assemblages of a sublittoral coarse sand habitat of the northwestern Mediterranean EVA PUBILL 1, PERE ABELLÓ 1, MONTSERRAT RAMÓN 2,1 and MARC BAETA 3 1 Institut de Ciències del Mar (CSIC), Passeig Marítim de la Barceloneta, 37-49, 08003 Barcelona, Spain. E-mail: [email protected] 2 Instituto Español de Oceanografía, Centre Oceanogràfic de les Balears, Moll de Ponent s/n, 07015 Palma de Mallorca, Spain. 3 Tecnoambiente S.L., carrer Indústria, 550-552, 08918 Badalona, Spain. SUMMARY: The sublittoral megabenthic assemblages of a northwestern Mediterranean coarse sandy beach exploited for the bivalve Callista chione were studied. The spatial and bathymetric variability of its distinctive faunal assemblages was characterised by quantitative sampling performed with a clam dredge. The taxa studied were Mollusca Bivalvia and Gastropoda, Crustacea Decapoda, Echinodermata and Pisces, which accounted for over 99% of the total biomass. Three well- differentiated species assemblages were identified: (1) assemblage MSS (Medium Sand Shallow) in medium sand (D50=0.37 mm) and shallow waters (mean depth =6.5 m), (2) assemblage CSS (Coarse Sand Shallow) in coarse sand (D50=0.62 mm) in shallow waters (mean depth =6.7 m), and (3) assemblage CSD (Coarse Sand Deep) in coarse sand (D50=0.64 mm) in deeper waters (mean depth =16.2 m). Assemblage MSS was characterised by the codominance of the bivalves Mactra stultorum and Acanthocardia tuberculata. C. chione was dominant in both density and biomass in assemblages CSS and CSD. -
Foot Abnormalities in Venericardia Antiquata and Venus Verrucosa from the Bizerte Lagoon Complex
e Rese tur arc ul h c & a u D q e A v e f l o o Béjaoui et al., J Aquac Res Development 2016, 7:7 l p a m n Journal of Aquaculture r e u n DOI: 10.4172/2155-9546.1000434 o t J ISSN: 2155-9546 Research & Development Research Article OpenOpen Access Access Foot Abnormalities in Venericardia antiquata and Venus verrucosa from the Bizerte Lagoon Complex (Northern Tunisia): Hydrodynamics and Sediment Texture Inductions Jihen Maâtoug Béjaoui, Ferdaous Jaafar Kefi, Anwar Mleiki and Najoua Trigui El Menif* Faculty of Sciences of Bizerte (FSB), Laboratory of Environment Biomonitoring, University of Carthage, Bizerte, Tunisia Abstract The Examination of the soft part of the two bivalve species Venericardia antiquata (Linnaeus 1758) and Venus verrucosa (Linnaeus 1758), that occur together in northern coast of Tunisia, allowed us to discover for the first time the presence of morphological abnormalities affecting the foot of many individuals (annual rate of 31.6%). The presence of a developed byssus was also detected in some specimens of V. antiquata. A classification scale of this malformation, established depending on the degree of this anomaly, showed six initial types that evolve to form two or three feet, at the posterior and/or anterior sides of the animal. In order to determine the causes of this malformation, experiments of transplantation were carried out. Specimens of V. verrucosa collected from Zarzouna station were transplanted in Chaâra station which is characterized by low rate of malformations, low hydrodynamics and different sediment type and vice versa. Results revealed that foot malformations degree is highly correlated with both hydrodynamics and substrate type. -
Impacts of Ocean Acidification on Marine Shelled Molluscs
Mar Biol DOI 10.1007/s00227-013-2219-3 ORIGINAL PAPER Impacts of ocean acidification on marine shelled molluscs Fre´de´ric Gazeau • Laura M. Parker • Steeve Comeau • Jean-Pierre Gattuso • Wayne A. O’Connor • Sophie Martin • Hans-Otto Po¨rtner • Pauline M. Ross Received: 18 January 2013 / Accepted: 15 March 2013 Ó Springer-Verlag Berlin Heidelberg 2013 Abstract Over the next century, elevated quantities of ecosystem services including habitat structure for benthic atmospheric CO2 are expected to penetrate into the oceans, organisms, water purification and a food source for other causing a reduction in pH (-0.3/-0.4 pH unit in the organisms. The effects of ocean acidification on the growth surface ocean) and in the concentration of carbonate ions and shell production by juvenile and adult shelled molluscs (so-called ocean acidification). Of growing concern are the are variable among species and even within the same impacts that this will have on marine and estuarine species, precluding the drawing of a general picture. This organisms and ecosystems. Marine shelled molluscs, which is, however, not the case for pteropods, with all species colonized a large latitudinal gradient and can be found tested so far, being negatively impacted by ocean acidifi- from intertidal to deep-sea habitats, are economically cation. The blood of shelled molluscs may exhibit lower and ecologically important species providing essential pH with consequences for several physiological processes (e.g. respiration, excretion, etc.) and, in some cases, increased mortality in the long term. While fertilization Communicated by S. Dupont. may remain unaffected by elevated pCO2, embryonic and Fre´de´ric Gazeau and Laura M. -
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Mediterranean Marine Science Vol. 9, 2008 Molluscan species of minor commercial interest in Hellenic seas: Distribution, exploitation and conservation status KATSANEVAKIS S. European Commission, Joint Research Centre, Institute for Environment and Sustainability, Ispra LEFKADITOU E. Hellenic Centre for Marine Research, Institute of Marine Biological Resources, Agios Kosmas, P.C. 16610, Elliniko, Athens GALINOU-MITSOUDI S. Fisheries & Aquaculture Technology, Alexander Technological Educational Institute of Thessaloniki, 63200, Nea Moudania KOUTSOUBAS D. University of the Aegean, Department of Marine Science, University Hill, 81100 Mytilini ZENETOS A. Hellenic Centre for Marine Research, Institute of Marine Biological Resources, Agios Kosmas, P.C. 16610, Elliniko, Athens https://doi.org/10.12681/mms.145 Copyright © 2008 To cite this article: KATSANEVAKIS, S., LEFKADITOU, E., GALINOU-MITSOUDI, S., KOUTSOUBAS, D., & ZENETOS, A. (2008). Molluscan species of minor commercial interest in Hellenic seas: Distribution, exploitation and conservation status. Mediterranean Marine Science, 9(1), 77-118. doi:https://doi.org/10.12681/mms.145 http://epublishing.ekt.gr | e-Publisher: EKT | Downloaded at 27/09/2021 17:44:35 | Review Article Mediterranean Marine Science Volume 9/1, 2008, 77-118 Molluscan species of minor commercial interest in Hellenic seas: Distribution, exploitation and conservation status S. KATSANEVAKIS1, E. LEFKADITOU1, S. GALINOU-MITSOUDI2, D. KOUTSOUBAS3 and A. ZENETOS1 1 Hellenic Centre for Marine Research, Institute of Marine Biological -
Os Nomes Galegos Dos Moluscos
A Chave Os nomes galegos dos moluscos 2017 Citación recomendada / Recommended citation: A Chave (2017): Nomes galegos dos moluscos recomendados pola Chave. http://www.achave.gal/wp-content/uploads/achave_osnomesgalegosdos_moluscos.pdf 1 Notas introdutorias O que contén este documento Neste documento fornécense denominacións para as especies de moluscos galegos (e) ou europeos, e tamén para algunhas das especies exóticas máis coñecidas (xeralmente no ámbito divulgativo, por causa do seu interese científico ou económico, ou por seren moi comúns noutras áreas xeográficas). En total, achéganse nomes galegos para 534 especies de moluscos. A estrutura En primeiro lugar preséntase unha clasificación taxonómica que considera as clases, ordes, superfamilias e familias de moluscos. Aquí apúntase, de maneira xeral, os nomes dos moluscos que hai en cada familia. A seguir vén o corpo do documento, onde se indica, especie por especie, alén do nome científico, os nomes galegos e ingleses de cada molusco (nalgún caso, tamén, o nome xenérico para un grupo deles). Ao final inclúese unha listaxe de referencias bibliográficas que foron utilizadas para a elaboración do presente documento. Nalgunhas desas referencias recolléronse ou propuxéronse nomes galegos para os moluscos, quer xenéricos quer específicos. Outras referencias achegan nomes para os moluscos noutras linguas, que tamén foron tidos en conta. Alén diso, inclúense algunhas fontes básicas a respecto da metodoloxía e dos criterios terminolóxicos empregados. 2 Tratamento terminolóxico De modo moi resumido, traballouse nas seguintes liñas e cos seguintes criterios: En primeiro lugar, aprofundouse no acervo lingüístico galego. A respecto dos nomes dos moluscos, a lingua galega é riquísima e dispomos dunha chea de nomes, tanto específicos (que designan un único animal) como xenéricos (que designan varios animais parecidos). -
Biogeographical Homogeneity in the Eastern Mediterranean Sea. II
Vol. 19: 75–84, 2013 AQUATIC BIOLOGY Published online September 4 doi: 10.3354/ab00521 Aquat Biol Biogeographical homogeneity in the eastern Mediterranean Sea. II. Temporal variation in Lebanese bivalve biota Fabio Crocetta1,*, Ghazi Bitar2, Helmut Zibrowius3, Marco Oliverio4 1Stazione Zoologica Anton Dohrn, Villa Comunale, 80121, Napoli, Italy 2Department of Natural Sciences, Faculty of Sciences, Lebanese University, Hadath, Lebanon 3Le Corbusier 644, 280 Boulevard Michelet, 13008 Marseille, France 4Dipartimento di Biologia e Biotecnologie ‘Charles Darwin’, University of Rome ‘La Sapienza’, Viale dell’Università 32, 00185 Roma, Italy ABSTRACT: Lebanon (eastern Mediterranean Sea) is an area of particular biogeographic signifi- cance for studying the structure of eastern Mediterranean marine biodiversity and its recent changes. Based on literature records and original samples, we review here the knowledge of the Lebanese marine bivalve biota, tracing its changes during the last 170 yr. The updated checklist of bivalves of Lebanon yielded a total of 114 species (96 native and 18 alien taxa), accounting for ca. 26.5% of the known Mediterranean Bivalvia and thus representing a particularly poor fauna. Analysis of the 21 taxa historically described on Lebanese material only yielded 2 available names. Records of 24 species are new for the Lebanese fauna, and Lioberus ligneus is also a new record for the Mediterranean Sea. Comparisons between molluscan records by past (before 1950) and modern (after 1950) authors revealed temporal variations and qualitative modifications of the Lebanese bivalve fauna, mostly affected by the introduction of Erythraean species. The rate of recording of new alien species (evaluated in decades) revealed later first local arrivals (after 1900) than those observed for other eastern Mediterranean shores, while the peak in records in conjunc- tion with our samplings (1991 to 2010) emphasizes the need for increased field work to monitor their arrival and establishment. -
DEEP SEA LEBANON RESULTS of the 2016 EXPEDITION EXPLORING SUBMARINE CANYONS Towards Deep-Sea Conservation in Lebanon Project
DEEP SEA LEBANON RESULTS OF THE 2016 EXPEDITION EXPLORING SUBMARINE CANYONS Towards Deep-Sea Conservation in Lebanon Project March 2018 DEEP SEA LEBANON RESULTS OF THE 2016 EXPEDITION EXPLORING SUBMARINE CANYONS Towards Deep-Sea Conservation in Lebanon Project Citation: Aguilar, R., García, S., Perry, A.L., Alvarez, H., Blanco, J., Bitar, G. 2018. 2016 Deep-sea Lebanon Expedition: Exploring Submarine Canyons. Oceana, Madrid. 94 p. DOI: 10.31230/osf.io/34cb9 Based on an official request from Lebanon’s Ministry of Environment back in 2013, Oceana has planned and carried out an expedition to survey Lebanese deep-sea canyons and escarpments. Cover: Cerianthus membranaceus © OCEANA All photos are © OCEANA Index 06 Introduction 11 Methods 16 Results 44 Areas 12 Rov surveys 16 Habitat types 44 Tarablus/Batroun 14 Infaunal surveys 16 Coralligenous habitat 44 Jounieh 14 Oceanographic and rhodolith/maërl 45 St. George beds measurements 46 Beirut 19 Sandy bottoms 15 Data analyses 46 Sayniq 15 Collaborations 20 Sandy-muddy bottoms 20 Rocky bottoms 22 Canyon heads 22 Bathyal muds 24 Species 27 Fishes 29 Crustaceans 30 Echinoderms 31 Cnidarians 36 Sponges 38 Molluscs 40 Bryozoans 40 Brachiopods 42 Tunicates 42 Annelids 42 Foraminifera 42 Algae | Deep sea Lebanon OCEANA 47 Human 50 Discussion and 68 Annex 1 85 Annex 2 impacts conclusions 68 Table A1. List of 85 Methodology for 47 Marine litter 51 Main expedition species identified assesing relative 49 Fisheries findings 84 Table A2. List conservation interest of 49 Other observations 52 Key community of threatened types and their species identified survey areas ecological importanc 84 Figure A1. -
Cop13 Prop. 35
CoP13 Prop. 35 CONSIDERATION OF PROPOSALS FOR AMENDMENT OF APPENDICES I AND II A. Proposal Inclusion of Lithophaga lithophaga in Appendix II, in accordance with Article II, paragraph 2 (a). B. Proponents Italy and Slovenia (on behalf of the Member States of the European Community). C. Supporting statement Lithophaga lithophaga is an endolithic mussel from the family Mitilidae, which inhabits limestone rocks. This species needs specific substrate for its growth and owing to its particular biology (slow growing) it is not suitable for commercial breeding. L. lithophaga has a very distinctive and well known date-like appearance. L. lithophaga is distributed throughout the Mediterranean Sea. In the Atlantic Ocean it can be found on the Portugal coast and on the North African coast down to Senegal. It also inhabits the northern coast of Angola. The sole purpose of L. lithophaga exploitation is human consumption. It is known that the harvesting of the species from the wild for international trade has detrimental impact on the species. The collection of L. lithophaga for the purpose of trade poses a direct threat to this species due to the loss of its habitat. When L. lithophaga is harvested, the rocks it inhabits are broken into small pieces, often by very destructive methods such as pneumatic hammers and explosives. Broken rocks thus become unsuitable for colonisation by marine organisms. In addition to the direct threat to L. lithophaga, its collection reduces topographic heterogenity, macroalgal cover and epibiota. The destruction caused by L. lithophaga exploitation seriously affects littoral fish populations. The over-exploitation of L. lithophaga has caused important local ecological damage in many Mediterranean areas. -
Assessment of Stress Biomarkers Responses in Mantle and Adductor
Highlights in BioScience ISSN:2682-4043 DOI:10.36462/H.BioSci.202101 Research Article Assessment of stress biomarkers responses in mantle and adductor Open Access muscles of Mactra stultorum following lead exposure Imene Chetoui*1, Feriel Ghribi1, Safa Bejaoui1, Mohamed Ghalghaa2, M'hamed El Cafsi 1, Nejla Soudani1 Abstract The objective of the present work is to evaluate the possible toxic effect engendered 1 Faculty of Sciences of Tunis, Biology Depart- ment, Research Unit of Physiology and Aquatic by graded doses of lead chloride (PbCl2) on Mactra stultorum mantle and adductor mus- Environment, University of Tunis El Manar, cles through a battery of biomarkers responses. M. stultorum were divided into 4 groups 2092 Tunis, Tunisia. and exposed to three concentrations of PbCl2 (D1:1mg/L, D2: 2.5 mg/L and D3: 5 mg/L) 2 Aquatic Environment Exploitation Resources with control during five days. Our findings showed decreases of lipid contents in both Unit, Higher institute fishing and fish farming organs following PbCl2 exposure, while, proteins declined only in the adductor muscles of Bizerte, Tunisia. of the treated M. stultorum. During our experiment, the PbCl2 exposure induced the levels of metallothionein (MTs), malondialdehyde (MDA) and advanced oxidation protein prod- Contacts of authors ucts (AOPP) in both organs as compared to the control. These biomarkers responses are distinctly different between mantle and adductor muscles. Keywords: Lead chloride, Mactra stultorum, Mantle, Adductor muscles, Biomarkers responses. Introduction The contamination of aquatic ecosystems by several environmental pollutants has become a * To whom correspondence should be worldwide problem in the last years [1]. The presence of heavy metals in those environments and addressed: Imene Chetoui their accumulation in marine organisms has been largely investigated during the last decades because Received: September 24, 2020 of their harmful effects and persistence [2]. -
On the Cephalopod Phosphagen by Ernest Baldwin, B.A
222 ON THE CEPHALOPOD PHOSPHAGEN BY ERNEST BALDWIN, B.A. (From the Biochemical Laboratory, Cambridge, and the Marine Biological Station, Tamaris, Var, France.) (Received 8th November, 1932.) (With Four Text-figures.) INTRODUCTION. THE comparative researches of Eggleton & Eggleton(s) on the distribution of phosphagen made it clear that while creatine phosphate is very widely distributed amongst the vertebrates, it is not present in the invertebrates. Shortly afterwards, a new phosphagenic substance was isolated from crab muscle by Meyerhof & Lohmann(n, 12) and shown to be arginine phosphate, while the later work of Lundsgaard (9) has made it certain that this compound plays in these tissues a part exactly analogous to that played by the creatine compound in vertebrate muscles. Later, Meyerhof (10) examined a number of invertebrates, representative of several phyla, and came to the conclusion that arginine phosphate is present in Holothuria, Pecten and Sipunculus. Cephalopod muscle contained no phosphagen. The case of the cephalopods was further examined by Needham, Needham, Baldwin & Yudkin (13), who not only found that the muscles of Sepia and of Octopus do contain phosphagen, but were also able to investigate its ontogeny in the former (14). There seemed no reason to think that the compound present was any- thing other than the arginine compound (8). Ackermann, Holtz & Kutscherw claim to have isolated the copper nitrate salt of arginine from extracts of the cephalopod Eledone moschata, while Okuda(is) has made a similar claim in the case of Loligo breekert, whereas Iseki (7) has been able to isolate no arginine from extracts of Octopus, finding in its place a compound which he isolated in the form of its picrate, and which he thinks may be a methyl agmatine. -
FAU Institutional Repository
FAU Institutional Repository http://purl.fcla.edu/fau/fauir This paper was submitted by the faculty of FAU’s Harbor Branch Oceanographic Institute. Notice: ©1991 Elsevier B.V. The final published version of this manuscript is available at http://www.sciencedirect.com/science/journal/00448486 and may be cited as: Gustafson, R. G., Creswell, R. L., Jacobsen, T. R., & Vaughan, D. E. (1991). Larval biology and mariculture of the angelwing clam, Cyrtopleura costata. Aquaculture, 95(3-4), 257-279. doi:10.1016/0044-8486(91)90092-L Aquaculture, 95 (1991) 257-279 257 Elsevier Science Publishers B.V .. Amsterdam Larval biology and mariculture ofthe angelwing clam, Cyrtopleura costata KG. Gustafson"·l, R.L. Creswell", T.R. Jacobsen" and D.E. Vaughan" "Division olCoastal. Environmental and .iquacultural SCiCIICCS, Harbor Branch Oceanographic Institution, 5600 Old DixlC Highway, Fort Pierce, FL 34946, U,)',I "Department otMarinc and Coastal SCiCIICCS, Rutgers Shellfish Research l.aboratorv. New Jcrscv .tgnrultural Evperimcnt Station, Rutgers University, Port Norris, NJ 08349, USI (Accepted 7 November 1990) ABSTRACT Gustafson. R.G .. Creswell, R.L. Jacobsen. T.R. and Vaughan. D.E .. 1991. Larval biology and mari culture of the angclwing clam. Cvrtoplcura costata. Aquaculture, 95: 25 7~2 79. The deep-burrowing angclwing clam. Cvrtoplcura costata (Family Pholadidac ). occurs in shallow water from Massachusetts. USA. to Brazil and has been a commercially harvested food product in Cuba and Puerto Rico. This study examines its potential for commercial aquaculture development. The combined effects of salinity and temperature on survival and shell growth to metamorphosis of angclwing larvae were studied using a 5 X 5 factorial design: salinities ranged from 15 to 35%0 S. -
(Linné, 1758) and Callista Chione (Linnaeus, 1758), Populations of the Northwest of Morocco
J. Mater. Environ. Sci. 2 (S1) (2011) 584-589 Rharrass et al ISSN : 2028-2508 CODEN : JMESCN Colloque International « Journées des Géosciences de l’Environnement » Oujda, 21, 22 et 23 Juin 2011 « Environnement et développement durable ». Depth segregation phenomenon and the macrofaunal diversity associated to Acanthocardia tuberculata (Linné, 1758) and Callista chione (Linnaeus, 1758), populations of the Northwest of Morocco. A. Rharrass 1,2*, M. Talbaoui 1, N. Rharbi 2, H. El Mortaji 2, M. Idhalla 3, M. Kabine 2 1National Institute for Fisheries Research, aquaculture center of M’diq 93200, BP31, MOROCCO 2 Faculty of Science, Ain Chock, Casablanca, MOROCCO 3 National Institute for Fisheries Research, 2, rue de Tiznit 20030Casablanca, MOROCCO *Corresponding author, Email address: [email protected], Tel No: + 212661453422; fax:0539975506. Abstract Being a part of the Mediterranean ecosystem, the maritime zone included between M' Diq and Ouad Laou is characterized by a biodiversity which has not hither to been studied, making difficult the implementation of suitable management measures. A study was undertaken to evaluate the existence of depth segregation between Acanthocardia tuberculata and Callista chione adults and juveniles in populations the Northwest of Morocco, on the West part of its Mediterranean facades, and the macrofaunal diversity associated to this two species. Samples were collected from the infra-littoral zone between December 2009 and April 2010 at two sampling stations situated in the M’diq lagoon and Kkaa srass. Sampling was undertaken at increasing depths (one tow per depth), between 0 metres and 20 depth, the tows were performed parallel to the shoreline. The size frequency distribution showed the predominance of smaller individuals (<50 mm) in the intermediate depth area (5-10 m depth) and the prevalence of larger individuals (≥50 mm) at greater depths (15 m depth).