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Paper Information

Journal:   IRANIAN SCIENTIFIC FISHERIES JOURNAL   Summer 2003 , Volume 12 , Number 2; Page(s) 29 To 46.
 
Paper: 

THE DENSITY AND DISTRIBUTION OF THE PLANKTONS, IN MACO RESERVOIR DAM

 
 
Author(s):  SABKARA J.*, MAKAREMI MARZIEH
 
* ECOLOGY DEPT., GUILAN FISHERIES RESEARCH CENTER, ANZALI, IRAN
 
Abstract: 

A comprehensive hydrobiological and hydrological investigation conducted in Maco Reservoir dam during 1997-1998.The result showed that the maximum density of Phytoplankton belongs to the Phylum of Chrysophyta with species of Cyclotella menenghiniana, Synedra ulna and Diatoma vulgare. This Phylum observed mostly in summer and showed the most; frequency (%76) population during year. After Chrysophyta there was Chlorophyta phylum with species Scenedesmus bijuga and S. bijugatus with %19 frequency during year. Also, there were other phytoplankton phyla, namely: Cyanophyta with Oscillatoria limosa, Euglenophyta with Euglena sp. and Pyrrophyta with Ceratium hirdinella that had a few percent of population in the year.
The highest density of Zooplankton belongs to the phylum of Rotatoria with species of Synchaeta oblonga, Polyarthera vulgaris and P. dolichoptera. This Phylum was observed mostly during autumn and had %74 frequency during year. The second phylum belongs to Arthropoda, that was included two orders consist of: Copepoda (%16 population) with speices of Cyclops vicinus and C.viridis and their naupli, order Cladocera (%7 population) with speice of Daphnia longespina. They were recognized as the most important zooplankton in Maco reservoir dam.
The planktonic studies and observations show that there is a well enough potential of food for feeding of fishes inhabited in this dam.

 
Keyword(s): MACO RESERVOIR DAM, PHYTOPLANKTON, ZOOPLANKTON
 
References: 
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