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izvor podataka: crosbi

Analysis of the phytoplankton community in the vicinity of domestic sewage outflow during stratified conditions (CROSBI ID 209188)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Skejić, Sanda ; Bojanić, Natalia ; Matijević, Slavica ; Vidjak, Olja ; Grbec, Branka ; Ninčević Gladan, Živana ; Šestanović, Stefanija ; Šantić, Danijela Analysis of the phytoplankton community in the vicinity of domestic sewage outflow during stratified conditions // Mediterranean Marine Science, 15 (2014), 3; 574-586. doi: 10.12681/mms.866

Podaci o odgovornosti

Skejić, Sanda ; Bojanić, Natalia ; Matijević, Slavica ; Vidjak, Olja ; Grbec, Branka ; Ninčević Gladan, Živana ; Šestanović, Stefanija ; Šantić, Danijela

engleski

Analysis of the phytoplankton community in the vicinity of domestic sewage outflow during stratified conditions

The response of phytoplankton community structure to anthropogenically-derived nutrients from the submarine sewage outflow was analysed in a shallow coastal area of the middle Adriatic Sea. The study was conducted during an eight-year period (2002-2010) at six stations in the Brač Channel, aiming to assess the potential change in the state of biological and environmental parameters before and after commissioning of the sewage plant. Research was focused on phytoplankton producers in particular, during the summer, which is considered to be critical due to water stratification and low water dynamics. The results show an increase in phytoplankton biomass in the deep layer after discharge activation that was significant (M-W test ; U=584.5, p<0.01), but not related to any intense phytoplankton bloom or oxygen deficiency. Temporal variability of total phytoplankton abundances throughout the research period indicated a significant increase in 2005, the year following sewage outflow activation. The Pairwise Dunn’s multiple comparison test emphasised the difference in the years before sewage activation (2002, 2003) compared to 2005 (2002 vs. 2005, R=-60.92 p<0.001 ; 2003 vs. 2005, R=-63.92 p<0.001). This situation was soon followed by the rapid equalization in phytoplankton abundances. Considering the entire research period, there were no changes in the contribution of major phytoplankton groups, but the increase in overall species diversity was recorded, thus supporting the view that moderate inputs may stimulate plankton taxonomic diversity in coastal ecosystems. Increased ciliate and copepod nauplii abundance was also observed but was considered to be caused by natural variability .

Phytoplankton ; biomass ; community composition ; sewage outflow ; Adriatic Sea.

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Podaci o izdanju

15 (3)

2014.

574-586

objavljeno

1108-393X

10.12681/mms.866

Povezanost rada

Geologija

Poveznice
Indeksiranost