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Phytoplankton biodiversity in the Adriatic deep chlorophyll maxima (CROSBI ID 575555)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa | međunarodna recenzija

Ljubešić, Zrinka ; Cetinić, Ivona ; Bosak, Sunčica ; Viličić, Damir ; Jones, Burt ; Olujić, Goran ; Carić, Marina ; Marini, Mauro Phytoplankton biodiversity in the Adriatic deep chlorophyll maxima // 46th European Marine Biology Symposium : Book of Abstracts / Travizi, Ana ; Iveša, Ljiljana ; Fafanđel, Maja (ur.). Rovinj, 2011. str. 36-36

Podaci o odgovornosti

Ljubešić, Zrinka ; Cetinić, Ivona ; Bosak, Sunčica ; Viličić, Damir ; Jones, Burt ; Olujić, Goran ; Carić, Marina ; Marini, Mauro

engleski

Phytoplankton biodiversity in the Adriatic deep chlorophyll maxima

A well developed deep chlorophyll a maximum (DCM) is a prominent feature in the oligothophic Adriatic Sea. We present three case studies of DCM formations in Southern (May 2009, Albanian Shelf), Middle (May 2003, Jabuka pit) and Northern (July 2007, Velebit and Pag channel) Adriatic Sea, in relation to physico-chemical parameters. The development of the DCM appeared to be closely associated with nutricline, appearing at the lowest depth where light availability makes it possible for phototrophic organisms to exploit nutrients advected from subeuphotic depths. Depending on the depth of nutricline, depth of DCM was mostly found between 50 – 75 m, with the deepest one located at 125 m depth. On all investigated stations DCM showed high patchiness, reflecting the variability in surrounding physical and chemical setting. In the southern Adriatic, DCM layer was mainly composed of cocolithophorids (up to 4.9 x 104 cells L-1), dinoflagellates (up to 2.9 x 104 cells L-1), cryptophytes (up to 1.1 x 104 cells L-1), diatoms (up to 3.7 x 103 cells L-1) and sillicoflagelates. Dominant species were Oxytoxum variabile, Rabdosphaera tignifera, Calyptrosphaera oblonga, Nitzschia longissima and N. sicula. Middle Adriatic DCM was dominated by diatoms (up to 1.5 x 105 cells L-1) and cocolithophorids (up to 1.3 x 105 cells L-1), followed by dinoflagellates and cryptophytes. Dominant species were Calyptrosphaera oblonga, Emiliania huxleyii, Helladosphaera cornifera, Cerataulina pelagica, Chaetoceros socialis, Chaetoceros sp., Leptocylindrus danicus, Nitzschia longissima, Pseudonitzschia spp, Rhizosolenia imbricata, and Thalassionema nitzschioides.

deep chlorophyl maxima; diversity; phytoplankton; Adriatic Sea

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Podaci o prilogu

36-36.

2011.

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objavljeno

Podaci o matičnoj publikaciji

46th European Marine Biology Symposium : Book of Abstracts

Travizi, Ana ; Iveša, Ljiljana ; Fafanđel, Maja

Rovinj:

Podaci o skupu

European Marine Biology Symposium (46 ; 2011)

predavanje

12.09.2011-16.09.2011

Rovinj, Hrvatska

Povezanost rada

Biologija