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Growth Properties of Roach (Rutilus rutilus L., 1758) in Seyhan Dam Lake (Adana)

This study was carried out in Seyhan Dam Lake (Adana) between April 2004 and March 2005. The lenght and sex distribution, age-lenght, age-weight, lenght-weight relationship and condition factor according to age and sex groups of 157 roach caught from Seyhan Dam Lake were determined. Age group ranged between I-IV age groups for this species in the dam lake with the second yer class (59.86%) dominating, the percentages of males and females in the population were 52.23% and 47.77%. Fork lenght distribution of Rutilus rutilus ranged between 13.5 cm and 24 cm weight distribution between and 34.41 g. and 260.04 g. Growth equations in the females were calculated as W=0.0055xL3.318 in the males as W= 0.0894xL2.3521 and for all individuals W=0.0293xL2.747. The average condition factor of R. rutilus was 1.404 ±0.26 for females, 1.472 ±0.24 for males.

Author(s): Ergüden A Sibel

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