Spatial and Temporal Distribution of Oncaeidae in Chabahar Bay, Gulf of Oman
 
Neda Fazeli[1] Hamid Rezai[1] Rasool Zare[2]

关键词:Abundance,Oncaeidae,monsoon,depth,salinity,Chabahar Bay
 
主要内容:The spatial and temporal distribution patterns of the zooplankton of ChabaharBay.GulfofOmallwereinvestigated.ZooplanktonsamplingwascollectedtwiceaseasonatifvestationsinChabaharBay.SamplingwasdoneduringJuly-August2007 (sw-monsoon),October-November2007(post-monsoon),January-February2008(NE—monsoon),andMarch-May2008 (pre-monsoon).FivestationswereinvestigatedthroughoutChabaharBay.FourspeciesofOncaeidae(Oncaeamedia,Oncaeaminuta, OncaeavenustaandOncaeaclevei)wereidentified.TheabundanceofOncaeamediawasmaximuminthepost.monsoonr>700 ind..m)anddisappearedinpre-monsoonwhileOncaeaminutawasmaximuminpost-monsoon(>130ind..m)anddisappearedin NE-monsoonandpre-monsoon.Oncaeavenustashowedthehighestabundanceinpost-monsoonf>370ind..m1andthelowestin pre-monsoon(<55ind..m-3).Thehi2hestabundanceofOncaeaclevefwasinpost.monsoon(<240ind.·m。j1andlowestin NE-monsoon.Overal1.thehighestabundanceofOncaeidaewasobservedinpost-monsoon.Theresultsshowedthatdepthwasthemost importantfactorcontrollingabundanceoftheOncaeidae.Spatially.thehighestabundanceofOncaeidaespecieswasfoundinoffshore stations.Fourspeciesofthisfamilyshowedpositivecorrelationwithdepth.Also.venustashowednegativecorrelationwithsalinity
 
《生命科学(ISSN1934-7391)》  2012,6(2).-216-220
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