Combination and abundance of Macrobenthic fauna invertebrates in the lower part of the Gorganroud River-Golestan province

Document Type : Ecology

Authors

1 Agricultural Research and Development Research Institute, Fisheries Research Institute of Iran, Gorgan Regional Reservoir Research Center, Gorgan, Iran

2 Iran Environment Organization, Mazandaran Provincial Environment Directorate, Environment Directorate of Galougah, Galougah, Iran

3 Department of Fisheries, Natural Resourses Faculty, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran

Abstract

This study was conducted to investigate abundance and species distributn of macrobenthos in 3 stations in Gorganroad River (S1:36 58 42E, 54 00 28; S2: 36 58 41, 54 01 27; S3:36 59 14, 54 02 54) from March to February 2013. Samples collected using Van ven grab in 3 replicates in each station. In the study area, 6 orders belonging to 9 families were indentified including Naididae, Gammaridae, Cardidae, Nereidae, Neritidae, Ampharetidae, Pyrgulidae, Ostracoda, Foraminifera, Balanidae and Cumaceae. The most abundant taxa were Ampharetidae (28.62%), Lumbriculidae (24.24%), Naididae (11.3%), Chironomidae (10.44%), Balanidae (10.39%), Gammaridae (6.14%), Nereididae (31.91%), Cardiidae (2.73%) and Tubificidae (2.19%). Generally, in all 3 stations the highest and  lowest biomass belonged to the Ampharetidae family (25410) and Tubificidae (1946), respectively.

Keywords

References

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Journal of Animal Environment
Volume 10, Issue 3
October 2018
Pages 397-404

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