Abstract

The dailyEggProductionRate(EPR)ofthethreeAcartiidaecopepodsnamely Acartia clausi, Paracartia latisetosa and Paracartiagrani in theNorthLagoonofTuniswascomparedtotemperatureandfood availabilityeveryseasonfromMarch,2003toFebruary,2004correspondingtothemajorseasonal peaksoftheirabundanceandovera20-daysperiod.ThedailyEPRwasevaluatedbyassumingadirect correlationwithchlorophyll a, particulateorganiccarbon(POC),andsomeeasilyextractablemacro- molecularcompoundsfromtheseston,suchasproteins,carbohydratesandlipids.Theresultsshowed significantdifferencesinEPRbetweenseasonsandspecies.Temperatureandsalinitynegatively affectedthefecundityof A. clausi and positivelythatof P. latisetosa and P. grani. The A. clausi EPR was supportedbychlorophyll a and sestonicproteinswhilethatof P. latisetosa and P. grani correlated with POCsuggestingthatthesetwotaxafeedonmicrozooplanktonanddetritusmorethanon phytoplankton.Overall,EPRdatashowedpotentialpopulationrecruitmentevidentlythehighestin P. latisetosa in summer, P. grani in autumnand A. clausi in winter.Ourresultsindicatethattemperature and ood quality are the determining factors of both abundance and reproduction of the copepods under study.

Autore Pugliese

• Belmonte Genuario

Tutti gli autori

• N. ANNABI-TRABELSI , M.N. DALY-YAHIA , G. BELMONTE , L. ALEYA , H. AYADI

Titolo volume/Rivista

JOURNAL OF THERMAL BIOLOGY

Anno di pubblicazione

2012

ISSN

0306-4565

ISBN

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Numero di citazioni Wos

Nessuna citazione

Ultimo Aggiornamento Citazioni

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Numero di citazioni Scopus

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Settori ERC

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Codici ASJC

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