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Transparent exopolymeric particles' distribution in the northern adriatic and their relation to microphytoplankton biomass and composition

Radić, Tomislav; Kraus, Romina; Fuks, Dragica; Radić, Jadranka; Pečar, Osvin (2005) Transparent exopolymeric particles' distribution in the northern adriatic and their relation to microphytoplankton biomass and composition. Science of the Total Environment, 353 (1-3). pp. 151-161. ISSN 0048-9697

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Abstract

Transparent exopolymer particles (TEP) are generated during transformation processes within the non-living organic matter continuum in the seawater. Seasonal dynamics of TEP along the Po River Delta - Rovinj transect was followed during the three years period, using a spectrophotometric method of determination of TEP. Relationships between TEP and phytoplankton biomass (chlorophyll a), abundance and composition, as well as phaeophytin, were analysed. Microphytoplankton spring blooms are confirmed to be an important source of TEP, with some species more related to TEP concentration dynamics, such as Chaetoceros sp. and Skeletonema costatum. Notable spatial west to east gradient of autotrophic biomass and consequently of TEP was observed, as well as gradual decrease with depth. In addition, TEP concentration increments were observed up to two months before the mucilage events followed by the decrease of TEP concentration during the event itself. Pattern of TEP dynamics in the years with mucilage events was the most pronounced in 2002, when the event was spatially and temporally the most extended.

Item Type: Article
Uncontrolled Keywords: TEP; Microphytoplankton; Chlorophyll a; Northern Adriatic; Mucilage
Subjects: NATURAL SCIENCES > Geology
NATURAL SCIENCES > Biology
NATURAL SCIENCES > Interdisciplinary Natural Sciences > Marine Science
Divisions: Center for Marine Research
Projects:
Project titleProject leaderProject codeProject type
Mehanizam dugoročnih promjena u ekosustavu Jadranskog moraDanilo Degobbis0098111UNSPECIFIED
Depositing User: dr. sc. Romina Kraus
Date Deposited: 02 Jul 2019 07:38
Last Modified: 02 Jul 2019 07:38
URI: http://fulir.irb.hr/id/eprint/4596
DOI: 10.1016/j.scitotenv.2005.09.013

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