Geofizika, Vol. 26 No. 2, 2009.
Original scientific paper
Spatial distribution of physical, chemical and biological oceanographic properties, phytoplankton, nutrients and Coloured Dissolved Organic Matter (CDOM) in the Boka Kotorska Bay (Adriatic Sea)
Alessandra Campanelli
; Istituto di Scienze Marine CNR, Sede di Ancona, Ancona, Italy
Ana Bulatović
; Institute of Marine Biology Kotor, University of Montenegro, Montenegro
Marina Cabrini
; Istituto Nazionale di Oceanografia e di Geofisica Sperimentale OGS, Trieste, Italy
Federica Grilli
; Istituto di Scienze Marine CNR, Sede di Ancona, Ancona, Italy
Zoran Kljajić
; Institute of Marine Biology Kotor, University of Montenegro, Montenegro
Renzo Mosetti
; Istituto Nazionale di Oceanografia e di Geofisica Sperimentale OGS, Trieste, Italy
Elio Paschini
; Istituto di Scienze Marine CNR, Sede di Ancona, Ancona, Italy
Pierluigi Penna
; Istituto di Scienze Marine CNR, Sede di Ancona, Ancona, Italy
Mauro Marini
; Istituto di Scienze Marine CNR, Sede di Ancona, Ancona, Italy
Abstract
The temporal variations of temperature, salinity, fluorescence, dissolved oxygen concentration, Coloured Dissolved Organic Matter (CDOM) and of chemical (nutrients, chlorophyll a) and biological (phytoplankton composition) parameters in the Boka Kotorska Bay were observed during two periods. CDOM regulates the penetration of UV light into the sea and therefore plays an important role in many hydrological and biogeochemical processes in the sea surface layer including primary productivity. In the framework ADRICOSM-STAR it was possible to investigate the Boka Kotorska Bay during May and June 2008 in order to increase an understanding of optical and chemical characteristics and their evolution during these periods. In both periods station KO (located furthest from the open sea) presented different physical, chemical and biological characteristics with respect to the other stations inside the Boka Kotorska Bay. A positive correlation was found between CDOM and chlorophyll a (R = 0.7, P < 0.001, n = 15) and this implies that in this area, similarly to the open sea, the primary source of CDOM should be the biological production from phytoplankton. This is probably due to the fact that the rivers entering the Boka Kotorska Bay are not severely impacted by man.
Keywords
CDOM; nutrients; hydrological data; phytoplankton; Adriatic Sea
Hrčak ID:
47805
URI
Publication date:
31.12.2009.
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