Results 221 to 230 of about 9,389 (259)
Ambient luminance and vertical migration of the sardine Sardina pilchardus [PDF]
Marine Ecology - Progress Series, 1999 The vertical migration of the sardine Sardina pilchardus W. was investigated in terms of a dynamic movement in the wild. The hourly position of the centre of sardine density (the weighted mean depth of sardines in the water column) was estimated by means of a dual beam echosounder during the daytime.
M Giannoulaki +2 more
exaly +2 more sources
Importance of parental effects on larval survival in Sardina pilchardus [PDF]
Marine Ecology - Progress Series, 2000 Sí
I Riveiro, J M Cabañas
exaly +4 more sources
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Evaluation of spawning frequency in a Mediterranean sardine population (Sardina pilchardus sardina)
Marine Biology, 2003The 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 aging key for postovulatory follicles (POFs) was developed, and preliminary evidence is presented of a temperature influence on the ...
K. Ganias +3 more
openaire +1 more source
Ovarian atresia in the Mediterranean sardine, Sardina pilchardus sardina
Journal of the Marine Biological Association of the United Kingdom, 2003Histological 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 to intensity of atresia was evaluated and the rate that the ovary passed from the active to inactive condition was followed in ...
K. Ganias +4 more
openaire +1 more source
2009
The presence of sardine larval stages inside estuaries has generally been regarded as accidental and restricted to the lower part of estuaries. Sampling done with a zooplankton net in the Guadiana estuary corroborated this hypothesis. Late sardine larvae (32.8 ± 2.0 mm) were, however, unexpectedly collected with an otter trawl, 14 km upstream from ...
MORAIS, Pedro +3 more
openaire +1 more source
The presence of sardine larval stages inside estuaries has generally been regarded as accidental and restricted to the lower part of estuaries. Sampling done with a zooplankton net in the Guadiana estuary corroborated this hypothesis. Late sardine larvae (32.8 ± 2.0 mm) were, however, unexpectedly collected with an otter trawl, 14 km upstream from ...
MORAIS, Pedro +3 more
openaire +1 more source
A study on the lipid fraction of Adriatic sardine filets (Sardina pilchardus)
Food / Nahrung, 2004AbstractSardine (Sardina pilchardus Walb.) is an important Mediterranean commercial fish species. In this study, the lipids of sardine filets, fished in the Adriatic Sea at different times, were examined. In function of their total lipid (TL) content, sardine filet samples were grouped into lean (TL < 4%) and fat (TL > 4%).
DE LEONARDIS, Antonella +1 more
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Uncovering hermaphroditism in European sardine (Sardina pilchardus)
An intersex specimen of European sardine (Sardina pilchardus) was found in a female-dominated sampling caught off the southern Catalan coast during the winter spawning season. The gonads showed ovarian tissue with developing oocytes in several stages, as well as testicular lobules, filled with spermatogenic cells, that cannot be classified as fully ...Frigola-Tepe, Xènia +4 more
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Simulation model of sardina (Sardina pilchardus) population dynamics in the Adriatic sea
2007Primjenom sistemsko-dinamičkog modeliranja i dostupnih bioloških podataka napravljen je Schaeferov produkcijski model populacije srdele (Sardina pilchardus) u istočnom Jadranu. Izradom modela utvrđeno je da unutar sustava populacije srdele dolazi do izražaja utjecaj brojnih uzročno-posljedičnih veza (UPV) te dominacija krugova povratnog djelovanja (KPD)
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