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Seasonal Variations in Condition Index and Gonadal Development of the Introduced Blood Cockle Anadara inaequivalvis (Bruguiere, 1789) in the Southeastern Black Sea Coast

Year 2006, Volume: 6 Issue: 2, - , 01.04.2006

Cemalettin Sahin*(1) Ertug Düzgüneş(2) İbrahim Okumuş(2)

Abstract

The reproduction and gonad development of the Anadara inaequivalvis was investigated over the course of one year on the samples collected from the coastal waters of the Southeastern Black Sea by dredging and diving to depths between 15 and 20 m. Histological analyses have shown that the rate of female and male is 1:1. Minimum size for spawning was found as 20 mm in May. Spawning season covers the period from June to September. During this period, the gonadal stages consisting of five phases including primordial, immature, mature, spawn, full spent, resting were observed. The results obtained in this study will certainly help to develop the management strategy of this invader in the Black Sea coasts.

Keywords

Black Sea Anadara inaequivalvis reproduction gonad development sages

Seasonal Variations in Condition Index and Gonadal Development of the Introduced Blood Cockle Anadara inaequivalvis (Bruguiere, 1789) in the Southeastern Black Sea Coast

Year 2006, Volume: 6 Issue: 2, - , 01.04.2006

Cemalettin Sahin*(1) Ertug Düzgüneş(2) İbrahim Okumuş(2)

Abstract

The reproduction and gonad development of the Anadara inaequivalvis was investigated over the course of one year on the samples collected from the coastal waters of the Southeastern Black Sea by dredging and diving to depths between 15 and 20 m. Histological analyses have shown that the rate of female and male is 1:1. Minimum size for spawning was found as 20 mm in May. Spawning season covers the period from June to September. During this period, the gonadal stages consisting of five phases including primordial, immature, mature, spawn, full spent, resting were observed. The results obtained in this study will certainly help to develop the management strategy of this invader in the Black Sea coasts.

Keywords

Black Sea Anadara inaequivalvis reproduction gonad development sages

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Details

Primary Language Turkish
Journal Section Articles
Authors

Cemalettin Sahin*(1) This is me

Ertug Düzgüneş(2) This is me

İbrahim Okumuş(2) This is me

Publication Date April 1, 2006
Published in Issue Year 2006 Volume: 6 Issue: 2

Cite

APA Sahin*(1), C., Düzgüneş(2), E., & Okumuş(2), İ. (2006). Seasonal Variations in Condition Index and Gonadal Development of the Introduced Blood Cockle Anadara inaequivalvis (Bruguiere, 1789) in the Southeastern Black Sea Coast. Turkish Journal of Fisheries and Aquatic Sciences, 6(2).
AMA Sahin*(1) C, Düzgüneş(2) E, Okumuş(2) İ. Seasonal Variations in Condition Index and Gonadal Development of the Introduced Blood Cockle Anadara inaequivalvis (Bruguiere, 1789) in the Southeastern Black Sea Coast. Turkish Journal of Fisheries and Aquatic Sciences. April 2006;6(2).
Chicago Sahin*(1), Cemalettin, Ertug Düzgüneş(2), and İbrahim Okumuş(2). “Seasonal Variations in Condition Index and Gonadal Development of the Introduced Blood Cockle Anadara Inaequivalvis (Bruguiere, 1789) in the Southeastern Black Sea Coast”. Turkish Journal of Fisheries and Aquatic Sciences 6, no. 2 (April 2006).
EndNote Sahin*(1) C, Düzgüneş(2) E, Okumuş(2) İ (April 1, 2006) Seasonal Variations in Condition Index and Gonadal Development of the Introduced Blood Cockle Anadara inaequivalvis (Bruguiere, 1789) in the Southeastern Black Sea Coast. Turkish Journal of Fisheries and Aquatic Sciences 6 2
IEEE C. Sahin*(1), E. Düzgüneş(2), and İ. Okumuş(2), “Seasonal Variations in Condition Index and Gonadal Development of the Introduced Blood Cockle Anadara inaequivalvis (Bruguiere, 1789) in the Southeastern Black Sea Coast”, Turkish Journal of Fisheries and Aquatic Sciences, vol. 6, no. 2, 2006.
ISNAD Sahin*(1), Cemalettin et al. “Seasonal Variations in Condition Index and Gonadal Development of the Introduced Blood Cockle Anadara Inaequivalvis (Bruguiere, 1789) in the Southeastern Black Sea Coast”. Turkish Journal of Fisheries and Aquatic Sciences 6/2 (April 2006).
JAMA Sahin*(1) C, Düzgüneş(2) E, Okumuş(2) İ. Seasonal Variations in Condition Index and Gonadal Development of the Introduced Blood Cockle Anadara inaequivalvis (Bruguiere, 1789) in the Southeastern Black Sea Coast. Turkish Journal of Fisheries and Aquatic Sciences. 2006;6.
MLA Sahin*(1), Cemalettin et al. “Seasonal Variations in Condition Index and Gonadal Development of the Introduced Blood Cockle Anadara Inaequivalvis (Bruguiere, 1789) in the Southeastern Black Sea Coast”. Turkish Journal of Fisheries and Aquatic Sciences, vol. 6, no. 2, 2006.
Vancouver Sahin*(1) C, Düzgüneş(2) E, Okumuş(2) İ. Seasonal Variations in Condition Index and Gonadal Development of the Introduced Blood Cockle Anadara inaequivalvis (Bruguiere, 1789) in the Southeastern Black Sea Coast. Turkish Journal of Fisheries and Aquatic Sciences. 2006;6(2).