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Pregled bibliografske jedinice broj: 516317

Zbornik radova

Autori: Šilović, Tina; Ljubešić, Zrinka; Mihanović, Hrvoje; Olujić, Goran; Terzić, Senka; Jakšić, Željko; Viličić, Damir
Naslov: Picoplankton composition related to mesoscale circulation on the Albanian boundary zone (Southern Adriatic) in late spring
( Picoplankton composition related to mesoscale circulation on the Albanian boundary zone (Southern Adriatic) in late spring )
Izvornik: Final Conference of the Project Marine science and coastal management in the Adriatic region, Western Balkans / Ćosović, Božena ; Mikac, Nevenka (ur.). - Zagreb : Institut Ruđer Bošković , 2010. 21-21 (ISBN: 978-953-6690-82-4).
Skup: Final Conference of the Project Marine science and coastal management in the Adriatic region, Western Balkans
Mjesto i datum: Cavtat, Hrvatska, 24-28.05.2010.
Ključne riječi: picophytoplankton; Levantine Intermediate Water; southern Adriatic
( picophytoplankton; Levantine Intermediate Water; southern Adriatic )
Sažetak:
The research cruise was carried out in May 2009 on a 75 km long transect in a SW direction from the Drini Bay shelf, across its edge and along the continental slope. To characterise picoplankton distribution in the boundary zone of the southern Adriatic we combined epifluorescence microscopy, flow cytometry and high-performance liquid chromatography data with hydrographic observations. Picoplankton distribution was greatly influenced by the hydrographic conditions prevailing in the southern Adriatic because of the influence of the Levantine Intermediate Water (LIW) and Eastern Adriatic Current (EAC) forcing. Heterotrophic bacteria numerically dominated the picoplankton community through the entire transect with no significant accumulation. By contrast, picophytoplankton accumulated in the 50–75 m layer, forming a pronounced deep chlorophyll maximum. Synechococcus dominated the photosynthetic picoplankton, whereas picoeukaryotes were numerically the least abundant. The intrusion of warm LIW, which is characteristic of the EAC May maximum, was observed in the layer between 100 and 350 m. LIW intrusion was followed by Prochlorococcus and Synechococcus peaks (10 × 103 cell mL–1 and 90 × 103 cell mL-1, respectively), as well as by the appearance of two Synechococcus ecotypes. The largest number of picoeukaryotes was observed at the offshore stations, where geostrophic current calculation revealed the strongest EAC influence. A strong EAC spread over the central and eastern basin acted like a barrier for Prochlorococcus growth, whereas the picoeukaryote maxima coincided with the core of the EAC, suggesting its persistence to mesoscale instabilities.
Vrsta sudjelovanja: Predavanje
Vrsta prezentacije u zborniku: Sažetak
Vrsta recenzije: Nema recenziju
Projekt / tema: 098-0982705-2729, 119-1191189-1228
Izvorni jezik: eng
Kategorija: Znanstveni
Znanstvena područja:
Geologija,Biologija
Upisao u CROSBI: tsilovic@irb.hr (tsilovic@irb.hr), 15. Lip. 2011. u 14:01 sati



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