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Population structure and abundance of phytoplankton in three bays on the eastern Adriatic coast: Šibenik Bay, Kaštela Bay and Mali Ston Bay

Mia BUŽANČIĆ orcid id orcid.org/0000-0003-3848-9561 ; Institut za oceanografiju i ribarstvo, P.P. 500, 21000 Split, Hrvatska
Živana NINČEVIĆ GLADAN ; Institut za oceanografiju i ribarstvo, P.P. 500, 21000 Split, Hrvatska
Ivona MARASOVIĆ ; Institut za oceanografiju i ribarstvo, P.P. 500, 21000 Split, Hrvatska
Grozdan KUŠPILIĆ ; Institut za oceanografiju i ribarstvo, P.P. 500, 21000 Split, Hrvatska
Branka GRBEC ; Institut za oceanografiju i ribarstvo, P.P. 500, 21000 Split, Hrvatska
Slavica MATIJEVIĆ ; Institut za oceanografiju i ribarstvo, P.P. 500, 21000 Split, Hrvatska


Puni tekst: engleski pdf 691 Kb

str. 413-434

preuzimanja: 398

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Sažetak

Present study describes the phytoplankton community structure and phytoplankton abundance in three bays on the eastern Adriatic coast (Šibenik Bay, Kaštela Bay and Mali Ston Bay) during 2005. The highest phytoplankton biomass (expressed as chlorophyll a) were recorded at one station in Šibenik Bay (4.73 mg m-3), and in Kaštela Bay (2.79 mg m-3), while at all other stations recorded values were generally below 1 mg m-3. At the investigated area of Šibenik Bay a total of 114 phytoplankton taxa have been determined. The most diverse were diatoms with 61 and dinoflagellates with 37 taxa. Coccolithophorids contributed with 6, cryptophytes with 3, silicoflagellates, euglenophytes and chlorophytes with 2 taxa. In the area of Kaštela Bay 193 phytoplankton taxa have been recorded. Dinoflagellate group was the most diverse with 92 taxa, followed by diatoms (80), coccolithophorids (9), silicoflagellates and euglenophytes (4), cryptophytes (2) and chlorophyte (1). In the area of Mali Ston Bay a total of 88 phytoplankton taxa have been found, with 39 diatoms, 36 dinoflagellates, 2 silicoflagellates, 4 coccolithophorids, 2 euglenophytes, 1 chllorophyte and 3 chrisophyte taxa. Abundance of dinoflagellates was very low in this area. Coccolithophorids contributed more to the community composition in Mali Ston Bay, then in other areas of research. A diverse microflagellate group was present in the whole area of investigation with a high frequency of findings. During the investigated period a relatively small number of monospecific blooms in all areas have been recorded. The largest numbers of taxa were recorded at stations that are under an influence of freshwater input from rivers and strong anthropogenic influence.

Ključne riječi

phytoplankton, taxonomic composition, chlorophyll a, eastern Adriatic coast

Hrčak ID:

97274

URI

https://hrcak.srce.hr/97274

Podaci na drugim jezicima: hrvatski

Posjeta: 938 *