Reproductive Biology of the Mediterranean Green Crab Carcinus aestuarii Nardo, 1847 (Crustacea, Brachyura, Portunidae) in Homa Lagoon, Aegean Sea, Turkey

• Autorzy: Özbek M. , Koçak C. , Acarli D.
• Języki publikacji: EN

Abstrakty

EN

The Mediterranean green crab Carcinus aestuarii Nardo, 1847 (Crustacea, Brachyura, Portunidae) is a common inhabitant of the shallow waters of Homa Lagoon in Izmir Bay, Turkey, in the eastern Mediterranean. Monthly samples were collected in Homa Lagoon from June 2006 to May 2007 using trammel nets, fyke nets, beach seines and fence traps. In total, 608 males and 559 females of C. aestuarii were collected. The highest sex ratio (81-86% females) was recorded between October and December, and in August (58% females). Ovigerous females were obtained only from November to February with the highest ratio of ovigerous females (55%) observed in January 2007. The maturation curve presenting the carapace width showed that 50% of female crabs with the carapace width of 26.84 š1.58 mm (r= 0.72) were physiologically mature. Regression analyses indicated that the number of eggs was positively correlated with carapace width and wet weight (P < 0.05, in both cases).

Słowa kluczowe

EN

reproductive biology; Carcinus aestuarii; Homa Lagoon; Aegean Sea; Mediterranean Sea

• Wydawca: Institute of Oceanography University of Gdańsk
• Czasopismo: Oceanological and Hydrobiological Studies
• Rocznik: 2012
• Tom: Vol. 41, No. 4
• Strony: 77--80
• Opis fizyczny: Bibliogr. 13 poz., rys., wykr.

Twórcy

autor

Özbek M.

autor

Koçak C.

autor

Acarli D.

• Ege University, Faculty of Fisheries, TR 35100, Bornova-Izmir, Turkey,

Bibliografia

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