COMPARISON OF GAMETOGENIC CYCLES OF THE ENDEMIC EUROPEAN CARPET SHELL CLAM (RUDITAPES DECUSSATUS) AND THE INTRODUCED MANILA CLAM (RUDITAPES PHILIPPINARUM) FROM A TEMPERATE COASTAL MEDITERRANEAN LAGOON IN THE DARDANELLES, TURKEY

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dc.contributor.authorGenez, Pinar
dc.contributor.authorOnal, Umur
dc.contributor.authorGezen, Mehmet R.
dc.date.accessioned2025-01-27T20:34:41Z
dc.date.available2025-01-27T20:34:41Z
dc.date.issued2015
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractIn this study, the gametogenic cycle of the newly introduced Manila clam Ruditapes philippinarum was described for the first time for Turkish waters and compared with that of the native European grooved carpet shell clam Ruditapes decussatus coexisting in Cardak Lagoon (Canakkale, Turkey) in the Dardanelles. A total of 480 individuals were sampled for each species between January and December 2011. Both species exhibited similar distinct seasonal changes in gonad activity and completed their gametogenic cycles. In both species, gonads advanced very fast after winter reaching ripe stage in April and May in the Manila clams and carpet shell clams, respectively. In Manila clams, spawning commenced in April and continued until October. In carpet shell clams, spawning started in May, but the main spawning event occurred in June and continued until July with a discontinuation in August and a marginal spawning taking place in September and possibly in October. Gonad index (GI) values were indicated similarities in gonad development between males and females of both species with apparent synchronism between sexes during early development, first maturation and early spawning until July. We report for the first time the reproduction of the Manila clam in Turkish waters and show that optimal conditions for gametogenesis and spawning exist for this exotic species from March until October in the Dardanelles. This information will be useful for clam fishery management especially in areas where carpet shell clam and the Manila clam are known to coexist.
dc.description.sponsorshipCanakkale Onsekiz Mart University, Scientific Research Program (BAP) [2012/22]
dc.description.sponsorshipThis manuscript is based on the Master's thesis of Pinar Genez. The study was funded by Canakkale Onsekiz Mart University, Scientific Research Program (BAP) project #2012/22.
dc.identifier.doi10.2983/035.034.0216
dc.identifier.endpage345
dc.identifier.issn0730-8000
dc.identifier.issn1943-6319
dc.identifier.issue2
dc.identifier.scopus2-s2.0-84940494755
dc.identifier.scopusqualityQ3
dc.identifier.startpage337
dc.identifier.urihttps://doi.org/10.2983/035.034.0216
dc.identifier.urihttps://hdl.handle.net/20.500.12428/23420
dc.identifier.volume34
dc.identifier.wosWOS:000360410500016
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherNatl Shellfisheries Assoc
dc.relation.ispartofJournal of Shellfish Research
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20250125
dc.subjectRuditapes decussatus
dc.subjectcarpet shell clam
dc.subjectRuditapes philippinarum
dc.subjectManila clam
dc.subjectreproductive cycle
dc.titleCOMPARISON OF GAMETOGENIC CYCLES OF THE ENDEMIC EUROPEAN CARPET SHELL CLAM (RUDITAPES DECUSSATUS) AND THE INTRODUCED MANILA CLAM (RUDITAPES PHILIPPINARUM) FROM A TEMPERATE COASTAL MEDITERRANEAN LAGOON IN THE DARDANELLES, TURKEY
dc.typeArticle

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