Πλοήγηση ανά Συγγραφέα "Koutsikopoulos, C."
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Identifying newly spawned female sardines by means of common fisheries data
Ganias, K.; Somarakis, S.; Machias, A.; Koutsikopoulos, C.; Theodorou, A. (2004)In the present study we provide an alternative to histology means of discerning newly spawned female sardines, i.e., females with intact postovulatory follicles, by means of common fisheries data like sample sex ratio, ... -
Ovarian allometry and the use of the gonosomatic index: a case study in the Mediterranean sardine, Sardina pilchardus
Somarakis, S.; Ganias, K.; Tserpes, G.; Koutsikopoulos, C. (2004)The gonosomatic or gonadosomatic index [GSI =( ovary weight/fish weight) x 100] has been widely used in. sheries science and experimental reproductive studies as a simple, low-cost measure of reproductive condition. However, ... -
Ovarian atresia in the Mediterranean sardine, Sardina pilchardus sardina
Ganias, K.; Somarakis, S.; Koutsikopoulos, C.; Machias, A.; Theodorou, A. (2003)Histological analysis was used to describe and analyse the process of ovarian atresia in sardine (Sardina pilchardus sardina) from the central Aegean Sea (eastern Mediterranean). The spawning potential of females in relation ... -
Spawning habitat and daily egg production of sardine (Sardina pilchardus) in the eastern Mediterranean
Somarakis, S.; Ganias, K.; Siapatis, A.; Koutsikopoulos, C.; Machias, A.; Papaconstantinou, C. (2006)Spawning habitats of two eastern Mediterranean sardine, Sardina pilchardus (Walbaum, 1792), stocks ( coastal waters of central Aegean and Ionian Seas) are characterized from daily egg production method (DEPM) surveys ...