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Population dynamics of the calanoid copepod Acartia italica Steurer in a small saline lake

Kršinić, Fran; Ciglenečki-Jušić, Irena; Ljubešić, Zrinka; Viličić, Damir (2013) Population dynamics of the calanoid copepod Acartia italica Steurer in a small saline lake. Acta Adriatica, 54 (2). pp. 229-240. ISSN 0001-5113

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The calanoid copepod Acartia italica is the only metazoan plankton species surviving and reaching high abundance in the middle Adriatic saline coastal Lake Rogoznica. Seasonal variations in the abundance of nauplii, copepodites, adults and their faecal pellets were assessed in the period January 2000 to December 2004. Development and behaviour of A. italica were regulated by thermohaline conditions, biology (phytoplankton, bacteria, ciliates), and chemistry (organic matter, dissolved oxygen, reduced sulphur species) of the lake. The diatom Chaetoceros curvisetus could provide important food for A. italica adult specimens; however, great diatom abundances could reduce copepod reproductive ability. This study show that top-down control which characterized the lake ecosystem before the disastrous anoxia event in 1997 were re-established again.

Item Type: Article
Uncontrolled Keywords: Acartia italica; population dynamics; extreme environments
Subjects: NATURAL SCIENCES > Chemistry
Divisions: Division for Marine and Enviromental Research
Project titleProject leaderProject codeProject type
Priroda organske tvari, interakcije s mikrokonstituentima i površinama u okolišu[179942] Irena Ciglenečki-Jušić098-0982934-2717MZOS
Depositing User: Irena Ciglenečki-Jušić
Date Deposited: 15 May 2014 14:40

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