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Nutrients ratio trends in the northern Adriatic Sea and their potential effects on the ecosystem (CROSBI ID 629928)

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

Giani, Michele ; Djakovac, Tamara ; Precali, Robert ; Supić, Nastjenjka ; Marić Pfannkuchen, Daniela ; Godrijan, Jelena Nutrients ratio trends in the northern Adriatic Sea and their potential effects on the ecosystem. 2015

Podaci o odgovornosti

Giani, Michele ; Djakovac, Tamara ; Precali, Robert ; Supić, Nastjenjka ; Marić Pfannkuchen, Daniela ; Godrijan, Jelena

engleski

Nutrients ratio trends in the northern Adriatic Sea and their potential effects on the ecosystem

Long-term changes of oceanographic characteristics of the northern Adriatic (NAd) derive from combined effects of the climate oscillations and anthropogenic impact on the biotic components. Time series of oceanographic parameters collected in the period 1977-2014 at stations, under different eutrophic pressures of Rovinj-Po River Delta transect, were statistically analyzed. Furthermore, the variation in nutrient discharge carried by Po river was taken into account. In fact, significantly negative trend of total phytoplankton abundance were evidenced at most stations, and in addition significantly negative trend of diatoms in the bottom layer in spring on more oligotrophic eastern NAd was observed. The recently detected trends in the NAd were directly related to the increased Po River freshwater inflow in period 2009-2014 compared to the drought years. The increasing N/P ratio and decreasing silicate concentrations could have marked effects on the phytoplankton and macrophytes distribution/structure in the NAd, affecting the overall trophic status.

Nutrients; Phytoplankton; Low Oxygen; Long-term changes; Po River; northern Adroatic

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Podaci o prilogu

2015.

nije evidentirano

Podaci o matičnoj publikaciji

Podaci o skupu

Integrated Marine Biogeochemistry and Ecosystem Research - IMBER IMBIZO IV

predavanje

26.10.2015-30.10.2015

Trst, Italija

Povezanost rada

Geologija, Biologija