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izvor podataka: crosbi

Phytoplankton community and vertical flux of biogenic matter related to eutrophication in the Krka Estuary (CROSBI ID 508017)

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

Svensen, Camilla ; Viličić, Damir ; Wassmann, Paul ; Arashkevich, Elena ; Ratkova, Tamara Phytoplankton community and vertical flux of biogenic matter related to eutrophication in the Krka Estuary // Proceedings of South-eastern Europe Programme Symposium Ecosystem dynamics, marine chemistry, aquaculture and management in the Adriatic and north Norwegian coastal zone, Hvar / Wassmann, Paul ; Ćosović, Božena (ur.). Zagreb: Norwegian Research Council, 2005. str. 27-28-x

Podaci o odgovornosti

Svensen, Camilla ; Viličić, Damir ; Wassmann, Paul ; Arashkevich, Elena ; Ratkova, Tamara

engleski

Phytoplankton community and vertical flux of biogenic matter related to eutrophication in the Krka Estuary

Vertical carbon export was studied by deploying sediment traps in the lower reach of the Krka Estuary, and in the adjacent coastal zone (Adriatic Sea, Croatia). The estuary is stratified throughout the year, and an interface between fresh- and brackish water plays an important role in production and degradation of biogenic matter. Zooplankton faecal pellet (FP) production below the halocline was experimentally assessed in order to provide information on the potential contribution of FP to the total carbon flux. High suspended biomass of POC, Chl a and phytoplankton was found in the lower reach of the Krka estuary, adjacent to a source of anthropogenic eutrophication. We measured high sedimentation rates of organic detritus, indicating that the primary producers in the surface layer are decomposed in and below the interface and then settles as detritus to the bottom. Low sedimentation rates in the coastal zone outside the estuary revealed that the eutrophication does not spread directly out of the estuary. Mesozooplankton played a modest role in vertical flux regulation, due to their low abundance and dominance of smaller forms as well as low faecal pellet production rates. We conclude that processes taking place at the freshwater/seawater interface are of major importance for the vertical carbon flux in the investigated area

Phytoplankton; flux; organic matter; Krka; estuary; Adriatic Sea

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Podaci o prilogu

27-28-x.

2005.

nije evidentirano

objavljeno

Podaci o matičnoj publikaciji

Proceedings of South-eastern Europe Programme Symposium Ecosystem dynamics, marine chemistry, aquaculture and management in the Adriatic and north Norwegian coastal zone, Hvar

Wassmann, Paul ; Ćosović, Božena

Zagreb: Norwegian Research Council

Podaci o skupu

South-eastern Europe Programme Symposium Ecosystem dynamics, marine chemistry, aquaculture and management in the Adriatic and north Norwegian coastal zone

pozvano predavanje

27.04.2005-01.05.2005

Hvar, Hrvatska

Povezanost rada

Biologija