Spawning Period and Size at Maturity of the Thornback Ray, Raja clavata (Linnaeus, 1758), (Elasmobranchii: Rajidae) in the Black Sea

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dc.contributor.authorBilgin, Sabri
dc.contributor.authorOnay, Hatice
dc.date.accessioned2025-03-23T19:10:17Z
dc.date.available2025-03-23T19:10:17Z
dc.date.issued2020
dc.departmentSinop Üniversitesi
dc.description.abstractTo describe the spawning period, size at maturity ($L_m$), reproductive load ($L_m/L_{max}$), length at maximum yield per recruit ($L_{opt}$) of thornback ray (Raja clavata); and to assess the differences in these parameters from other populations, a total of 18 months samplings were conducted between February 2011 and December 2013 in the southeast Black Sea. A total of 265 (160 females and 105 males) specimens of thornback ray were examined. The mean total length (L) of females was significantly greater than the mean total length of males (p<0.05). The GSI analysis revealed that thornback ray showed reproductive activities throughout the year. The $L_m$ was estimated as 75.44 cm for females and 71.71 cm for males. The Lopt was estimated from the empirical relationships between the $L_{opt} and L_m$, and it was larger than Lm for both sexes.
dc.identifier.doi10.22392/actaquatr.735868
dc.identifier.endpage534
dc.identifier.issn2651-5474
dc.identifier.issue4
dc.identifier.startpage525
dc.identifier.trdizinid485236
dc.identifier.urihttps://doi.org/10.22392/actaquatr.735868
dc.identifier.urihttps://search.trdizin.gov.tr/tr/yayin/detay/485236
dc.identifier.urihttps://hdl.handle.net/11486/3584
dc.identifier.volume16
dc.indekslendigikaynakTR-Dizin
dc.language.isoen
dc.relation.ispartofActa Aquatica Turcica
dc.relation.publicationcategoryMakale - Ulusal Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_TR_20250323
dc.subjectBiyoloji
dc.subjectBalıkçılık
dc.subjectDeniz ve Tatlı Su Biyolojisi
dc.subjectZooloji
dc.titleSpawning Period and Size at Maturity of the Thornback Ray, Raja clavata (Linnaeus, 1758), (Elasmobranchii: Rajidae) in the Black Sea
dc.typeArticle

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