Growth and length-weight relationships of the horse mackerel, Trachurus mediterraneus ponticus (Aleev, 1956), off the Bulgarian Black Sea coast

GERDZHIKOV, Dimitar Borisov; RAYKOV, Violin Stoyanov; YANKOVA, Maria Hristova; FRATEVA, Petya Bogomilova

Growth and length-weight relationships of the horse mackerel, Trachurus mediterraneus ponticus (Aleev, 1956), off the Bulgarian Black Sea coast

Maria Hristova YANKOVA, (Institute of fishing resources P. O. Box 72 4 Primorski Blvd., 9000 Varna., Bulgaria)

Violin Stoyanov RAYKOV, (Institute of fishing resources P. O. Box 72 4 Primorski Blvd., 9000 Varna., Bulgaria)

Dimitar Borisov GERDZHIKOV, (Institute of fishing resources P. O. Box 72 4 Primorski Blvd., 9000 Varna., Bulgaria)

Petya Bogomilova FRATEVA (Professional Technical School, Plovdiv, Bulgaria)

Turkish Journal of Zoology

6 0

Yıl: 2010 Cilt: 34 Sayı: 1 Sayfa Aralığı: 85 - 92 Metin Dili: İngilizce İndeks Tarihi: 29-07-2022

Growth and length-weight relationships of the horse mackerel, Trachurus mediterraneus ponticus (Aleev, 1956), off the Bulgarian Black Sea coast

Öz:

Between April 2007 and October 2008 we collected 1995 horse mackerel specimens from the territorial waters of the Bulgarian Black Sea. Age, length, and weight of these specimens were determined to estimate length-weight relationships and age composition. The present study utilized otolith characterization to determine age. The sex ratio was 1:1.36686 (M:F). The prevalent age classes were 2+, 3+, and 4+. The exponent b of equation resulted in the value 3.3046, which indicates that the weight growth is positive allometric. Growth parameters of the von Bertalanffy equation were separately evaluated for females and males as follows: $L_infty$ = 19.66, K = 0.3075 $y^{-1}$, $t_o$ = −0.8359, and $W_infty$ = 69.676, and $L_infty$ = 18.78, K = 0.3373 $y^{-1}$, $t_o$ = −0.8247, and $W_infty$ = 62.037, respectively. The maximum age was 6+ years for females and 5+ for males.

Anahtar Kelime: Black Sea horse mackerel body length growth height-weight ratio Trachurus mediterraneus ponticus growth performance Bulgaria body weight Trachurus trachurus

Konular: Biyoloji

Belge Türü: Makale Makale Türü: Araştırma Makalesi Erişim Türü: Erişime Açık

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APA	YANKOVA M, RAYKOV V, GERDZHIKOV D, FRATEVA P (2010). Growth and length-weight relationships of the horse mackerel, Trachurus mediterraneus ponticus (Aleev, 1956), off the Bulgarian Black Sea coast. , 85 - 92.
Chicago	YANKOVA Maria Hristova,RAYKOV Violin Stoyanov,GERDZHIKOV Dimitar Borisov,FRATEVA Petya Bogomilova Growth and length-weight relationships of the horse mackerel, Trachurus mediterraneus ponticus (Aleev, 1956), off the Bulgarian Black Sea coast. (2010): 85 - 92.
MLA	YANKOVA Maria Hristova,RAYKOV Violin Stoyanov,GERDZHIKOV Dimitar Borisov,FRATEVA Petya Bogomilova Growth and length-weight relationships of the horse mackerel, Trachurus mediterraneus ponticus (Aleev, 1956), off the Bulgarian Black Sea coast. , 2010, ss.85 - 92.
AMA	YANKOVA M,RAYKOV V,GERDZHIKOV D,FRATEVA P Growth and length-weight relationships of the horse mackerel, Trachurus mediterraneus ponticus (Aleev, 1956), off the Bulgarian Black Sea coast. . 2010; 85 - 92.
Vancouver	YANKOVA M,RAYKOV V,GERDZHIKOV D,FRATEVA P Growth and length-weight relationships of the horse mackerel, Trachurus mediterraneus ponticus (Aleev, 1956), off the Bulgarian Black Sea coast. . 2010; 85 - 92.
IEEE	YANKOVA M,RAYKOV V,GERDZHIKOV D,FRATEVA P "Growth and length-weight relationships of the horse mackerel, Trachurus mediterraneus ponticus (Aleev, 1956), off the Bulgarian Black Sea coast." , ss.85 - 92, 2010.
ISNAD	YANKOVA, Maria Hristova vd. "Growth and length-weight relationships of the horse mackerel, Trachurus mediterraneus ponticus (Aleev, 1956), off the Bulgarian Black Sea coast". (2010), 85-92.

APA	YANKOVA M, RAYKOV V, GERDZHIKOV D, FRATEVA P (2010). Growth and length-weight relationships of the horse mackerel, Trachurus mediterraneus ponticus (Aleev, 1956), off the Bulgarian Black Sea coast. Turkish Journal of Zoology, 34(1), 85 - 92.
Chicago	YANKOVA Maria Hristova,RAYKOV Violin Stoyanov,GERDZHIKOV Dimitar Borisov,FRATEVA Petya Bogomilova Growth and length-weight relationships of the horse mackerel, Trachurus mediterraneus ponticus (Aleev, 1956), off the Bulgarian Black Sea coast. Turkish Journal of Zoology 34, no.1 (2010): 85 - 92.
MLA	YANKOVA Maria Hristova,RAYKOV Violin Stoyanov,GERDZHIKOV Dimitar Borisov,FRATEVA Petya Bogomilova Growth and length-weight relationships of the horse mackerel, Trachurus mediterraneus ponticus (Aleev, 1956), off the Bulgarian Black Sea coast. Turkish Journal of Zoology, vol.34, no.1, 2010, ss.85 - 92.
AMA	YANKOVA M,RAYKOV V,GERDZHIKOV D,FRATEVA P Growth and length-weight relationships of the horse mackerel, Trachurus mediterraneus ponticus (Aleev, 1956), off the Bulgarian Black Sea coast. Turkish Journal of Zoology. 2010; 34(1): 85 - 92.
Vancouver	YANKOVA M,RAYKOV V,GERDZHIKOV D,FRATEVA P Growth and length-weight relationships of the horse mackerel, Trachurus mediterraneus ponticus (Aleev, 1956), off the Bulgarian Black Sea coast. Turkish Journal of Zoology. 2010; 34(1): 85 - 92.
IEEE	YANKOVA M,RAYKOV V,GERDZHIKOV D,FRATEVA P "Growth and length-weight relationships of the horse mackerel, Trachurus mediterraneus ponticus (Aleev, 1956), off the Bulgarian Black Sea coast." Turkish Journal of Zoology, 34, ss.85 - 92, 2010.
ISNAD	YANKOVA, Maria Hristova vd. "Growth and length-weight relationships of the horse mackerel, Trachurus mediterraneus ponticus (Aleev, 1956), off the Bulgarian Black Sea coast". Turkish Journal of Zoology 34/1 (2010), 85-92.