Parcourir Επιστημονικές Δημοσιεύσεις Μελών ΠΘ (ΕΔΠΘ) par auteur "Machias, A."
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Evaluation of spawning frequency in a Mediterranean sardine population (Sardina pilchardus sardina)
Ganias, K.; Somarakis, S.; Machias, A.; Theodorou, A. J. (2003)The postovulatory follicle method was used to assess the frequency of spawning of sardine (Sardina pilchardus sardina) in the Central Aegean Sea (eastern Mediterranean) in November-December 1999 and 2000. A field-based ... -
Fish farming effects on local fisheries landings in oligotrophic seas
Machias, A.; Giannoulaki, M.; Somarakis, S.; Maravelias, C. D.; Neofitou, C.; Koutsoubas, D.; Papadopoulou, K. N.; Karakassis, I. (2006)The effects of fish-farming on local landings in five regions of the Aegean and Ionian Seas (eastern Mediterranean basin) were analysed, together with certain parameters related to environmental changes and fishing fleet ... -
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 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 ... -
Pattern of oocyte development and batch fecundity in the Mediterranean sardine
Ganias, K.; Somarakis, S.; Machias, A.; Theodorou, A. (2004)In the present study, the pattern of oocyte development was investigated in the Mediterranean sardine (Sardina pilchardus sardina) in order to examine whether non-hydrated females could be included in batch fecundity ... -
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 ...