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The epiplankton community in the southern Adriatic: Multiple trophic levels along the south - north and inshore-offshore gradients

Turk, Valentina; Lučić, Davor; Njire, Jakica; Terzić, Senka; Tinta, Tinkara; Benović, Adam; Malej, Alemka (2012) The epiplankton community in the southern Adriatic: Multiple trophic levels along the south - north and inshore-offshore gradients. Acta Adriatica, 53 (2). pp. 263-276. ISSN 0001-5113

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Abstract

The epiplankton community was investigated during Meduza cruises along south - north and offshore – inshore transects in the middle and southern Adriatic in spring 2002. The diel and vertical distribution of heterotrophic bacteria, phytoplankton pigment composition, micro- and mesozooplankton were assessed. At most stations we observed a thermocline at approximately 20 m and a prominent chlorophyll a peak at about 70 m depth. The integrated phytoplankton and bacterial biomass were lower at the station in the central part of the southern Adriatic, and increased gradually towards middle Adriatic and towards coastal stations. Vertical profiles of both bacterial abundance and production showed a distinct peak in the surface layer. Bacterial abundance was high also in the layer of the deep chlorophyll a maximum. Higher bacterial production was associated with elevated abundance of pico- and nanoplankton feeding zooplankton indicating that bacterial populations were generally controlled by predation.

Item Type: Article
Uncontrolled Keywords: heterotrophic bacteria; phytoplankton pigments; microzooplankton; mesozooplankton; Adriatic Sea
Subjects: NATURAL SCIENCES > Biology
NATURAL SCIENCES > Interdisciplinary Natural Sciences > Marine Science
NATURAL SCIENCES > Interdisciplinary Natural Sciences > Environmental Science
Divisions: Division for Marine and Enviromental Research
Projects:
Project titleProject leaderProject codeProject type
Organski spojevi kao molekulski obilježivači antropogenog utjecaja na okoliš[145] Marijan Ahel098-0982934-2712MZOS
Struktura planktonskih populacija u trofičkom gradijentu u južnom Jadranu[175956] Mirna Batistić275-0000000-3186MZOS
INTERAKCIJA BIOCENOZA U OTVORENIM I OBALNIM SUSTAVIMA JADRANA[74120] Davor Lučić275-0982705-3047MZOS
Depositing User: Senka Terzić
Date Deposited: 21 Nov 2013 08:50
Last Modified: 26 Feb 2014 12:07
URI: http://fulir.irb.hr/id/eprint/1011

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