AHMET KEREM BAKIR, İLKER AYDIN, OZAN SOYKAN, CELALETTİN AYDIN

Fecundity and egg development of four Decapoda species (Decapoda, Crustacea) in the Aegean Sea

Bu çalışmada, Plesionika martia, Plesionika heterocarpus, Chlorotocus crassicornis, Munida rutllanti türlerinin fekonditesi, yumurta boyutu ve gelişimi incelenmiştir. Decapod krustase örnekleri, ticari “Hapuloğlu” trol teknesi ile Ege Denizi’nin uluslararası sularında 240 m ile 460 m derinlikler arasından toplanmıştır. P. martia, P. heterocarpus, C. crassicornis, M. rutllanti türlerinin, karapas uzunluğu – ağırlık ilişkisi sırasıyla W = 0.4945 × CL–3.9564, W = 0.3681 × CL–2.8551, W = 0.1963 × CL–1.3166, W = 0.3904 × CL–3.0074 olarak bulunmuştur. P. martia için ortalama yumurta sayısı 11671 (S.D.±752) olarak hesaplanmıştır. M. rutllanti için ortalama yumurta sayısı 2895 (S.D.±1386), P. heterocarpus için 2925 (S.D.±721), C. crassicornis için 2056 (S.D.±533) olarak hesaplanmıştır. Türlerin karapas boyu ve yumurta sayıları arasındaki ilişkiler şu denklemlerle belirlenmiştir: P. martia için F= 730.38 × CL – 579.4, P. heterocarpus için F = 374.99 × CL – 2277.7, C. crassicornis için F = 194.2 × CL – 1080.8 ve M. rutllanti için F= 689.47 × CL – 5895.6.

Anahtar Kelimeler:

döllenme gücü, yumurta üretimi, Decapoda, ontogeni, türler, Ege Denizi, biyolojik gelişim, Crustacea, Türkiye

Ege Denizi’ndeki dört Dekapod (Decapoda, Crustaceae) türünün fekonditesi ve yumurta gelişimi.

In this study, fecundity, egg size and development of Plesionika martia, Plesionika heterocarpus (Caridae), Chlorotocus crassicornis (Pandalidae), Munida rutllanti (Galatheidae) were studied. The Samples of Decapod crustaceans were collected by commercial trawler “Hapuloğlu” between the depths of 240 m and 460 m from the international waters of middle Aegean Sea. Carapace length–weight relationship were found W= 0.4945 × CL – 3.9564, W= 0.3681 × CL–2.8551, W= 0.1963 × CL–1.3166, W= 0.3904 × CL – 3.0074 for P. martia, P. heterocarpus, C. crassicornis, M. rutllanti respectively. The mean brood size was calculated as 11671 (S.D. ± 752) for P. martia. Average number of eggs was estimated as 2895 (S.D. ± 1386) for M. rutllanti, 2925 (S.D. ± 721) for P. heterocarpus and 2056 (S.D. ± 533) for C. crassicornis. Relationship between number of eggs and carapace length of species were determined by the following equations as F = 730.38 × CL – 579.40 for P. martia, F = 374.99 × CL – 2277.7 for P. heterocarpus, F = 194.20 × CL – 1080.80 for C. crassicornis, F = 689.47 × CL – 5895.60 for M. rutllanti..

Keywords:

fecundity, egg production, Decapoda, ontogeny, species, Aegean Sea, biological development, Crustacea, Turkey,

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