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Information Journal Paper

Title

RECOGNITION AND ASCERTAINMENT BIOMASS OF BOTTOM FAUNA IN ZAYANDEHROOD RIVER, IRAN

Pages

  743-751

Abstract

 During an ecological study in biomasses of ZAYANDEHROOD RIVER, five stations were selected. During autumn 2004 to summer 2005 sampling were repeated three times with Grab Walkman method so the amount of organic matter was observed. In this survey, samples were separated and counted. The result showed that the dominant aquatic organism in the river is OLIGOCHAETEs which were observed in all stations. After OLIGOCHAETEs, CHIRONOMIDAE were the most abundant. TUBIFICIDAE was seen in all stations and its maximum density was 3635 organisms in each square meter. Maximum biomass of TUBIFICIDAE was observed in summer with the average figure of 4.06 g/m2 and minimum biomass was observed in winter with average biomass of 0.89g/m2.Maximum and minimum biomass of CHIRONOMIDAE were recorded in spring and autumn with average biomass of 2.24 g/m2and 0.33 g/m2 respectively. Maximum (3.15 g/m2) and minimum (0.29 g/m2) biomass of benthic organisms were observed in stations 5 and 1.

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    APA: Copy

    AKBARY, P., & EBRAHIMI, I.. (2011). RECOGNITION AND ASCERTAINMENT BIOMASS OF BOTTOM FAUNA IN ZAYANDEHROOD RIVER, IRAN. IRANIAN JOURNAL OF BIOLOGY, 23(5), 743-751. SID. https://sid.ir/paper/21313/en

    Vancouver: Copy

    AKBARY P., EBRAHIMI I.. RECOGNITION AND ASCERTAINMENT BIOMASS OF BOTTOM FAUNA IN ZAYANDEHROOD RIVER, IRAN. IRANIAN JOURNAL OF BIOLOGY[Internet]. 2011;23(5):743-751. Available from: https://sid.ir/paper/21313/en

    IEEE: Copy

    P. AKBARY, and I. EBRAHIMI, “RECOGNITION AND ASCERTAINMENT BIOMASS OF BOTTOM FAUNA IN ZAYANDEHROOD RIVER, IRAN,” IRANIAN JOURNAL OF BIOLOGY, vol. 23, no. 5, pp. 743–751, 2011, [Online]. Available: https://sid.ir/paper/21313/en

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