Table 1 Sex ratio of the studied C. gigas populations (20 oysters per month and per site)
Months | PP | FMB | ||||
|---|---|---|---|---|---|---|
Male | Female | Ratio males/females | Male | Female | Ratio males/females | |
May 2005 | 12 | 8 | 1.5 | 12 | 8 | 1.50 |
June 2005 | 14 | 6 | 2.33 | 14 | 6 | 2.33 |
July 2005 | 15 | 5 | 3.00 | 16 | 4 | 4.00 |
August 2005 | 17 | 3 | 5.67 | 10 | 10 | 1.00 |
September 2005 | 10 | 10 | 1.00 | 12 | 8 | 1.50 |
October 2005 | - | - | - | 10 | 10 | 1.00 |
November 2005 | - | - | - | 12 | 8 | 1.50 |
December 2005 | - | - | - | 11 | 9 | 1.22 |
January 2006 | - | - | - | 6 | 14 | 0.43 |
February 2006 | 11 | 9 | 1.22 | 8 | 12 | 0.67 |
March 2006 | 16 | 4 | 4.00 | 7 | 13 | 0.54 |
April 2006 | 10 | 10 | 1.00 | 16 | 4 | 4.00 |
May 2006 | 12 | 8 | 1.50 | 15 | 5 | 3.00 |
June 2006 | 12 | 8 | 1.50 | 9 | 11 | 0.82 |
July 2006 | 13 | 7 | 1.86 | 7 | 13 | 0.54 |