SPATIAL AND TEMPORAL VARIABILITY OF MACROBENTHIC COMMUNITIES IN CHALUS SHORE OF THE CASPIAN SEA

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TAVOLI M.; ISLAMI M.; MAHDAVI S.M.

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Journal: Iranian Scientific Fisheries Journal Year:2011 | Volume:19 | Issue:4 (73) Page(s): 147-152

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Title

SPATIAL AND TEMPORAL VARIABILITY OF MACROBENTHIC COMMUNITIES IN CHALUS SHORE OF THE CASPIAN SEA

Author(s)

TAVOLI M. | ISLAMI M. | MAHDAVI S.M. | Issue Writer Certificate

Keywords

BIOMASSQ3

MACROBENTHOSQ3

ECOLOGYQ3

CASPIAN SEAQ3

Abstract

The changes in density and BIOMASS of MACROBENTHOS were seasonally investigated from winter 2005 till fall 2006 in southern CASPIAN SEA. Samples were taken with a 225cm2 Van Veen grab from depths of 7 and 20 meters along two transects: Line 8 area (western part) and Radio Darya area (eastern part). Totally, 5 classes of MACROBENTHOS were identified of which the most abundant populations were Polychaeta 68.7%, Oligochaeta 14.6%, Bivalvia 8.5%, Crustacea 8.2% and Gastropoda 0.08%. The maximum density (4251.8±1419 (ME±SE) ind/m2) of MACROBENTHOS was observed during summer in the depth of 20m of Radio Darya area, while the minimum density (725.9±64.5 (ME±SE) ind/m2) was observed during spring in the depth of 7m in the same area. Between the two studied depths, the mean annual density in 7m depth (2266.7±350.3 (ME±SE) ind/m2), was higher from 20m depth (1977.8±290.1 (ME±SE) ind/m2). The maximum BIOMASS (475±243.8 (ME±SE)g/m2), of MACROBENTHOS was observed during autumn in the depth of 20 meter of Radio Darya area, while the minimum BIOMASS (0.3±0.1 (ME±SE)g/m2), was observed during winter in the depth of 7m in the same area. Between the two studied depths, the mean annual BIOMASS in 20m depth (184.8±24.6 (ME±SE)g/m2), was higher from 7m depth (73.7±24.6 (ME±SE)g/m2). Generally speaking, the eastern part of Chalus coast had more density and BIOMASS compared with the western part.

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APA: Copy

TAVOLI, M., ISLAMI, M., & MAHDAVI, S.M.. (2011). SPATIAL AND TEMPORAL VARIABILITY OF MACROBENTHIC COMMUNITIES IN CHALUS SHORE OF THE CASPIAN SEA. IRANIAN SCIENTIFIC FISHERIES JOURNAL, 19(4 (73)), 147-152. SID. https://sid.ir/paper/4512/en

Vancouver: Copy

TAVOLI M., ISLAMI M., MAHDAVI S.M.. SPATIAL AND TEMPORAL VARIABILITY OF MACROBENTHIC COMMUNITIES IN CHALUS SHORE OF THE CASPIAN SEA. IRANIAN SCIENTIFIC FISHERIES JOURNAL[Internet]. 2011;19(4 (73)):147-152. Available from: https://sid.ir/paper/4512/en

IEEE: Copy

M. TAVOLI, M. ISLAMI, and S.M. MAHDAVI, “SPATIAL AND TEMPORAL VARIABILITY OF MACROBENTHIC COMMUNITIES IN CHALUS SHORE OF THE CASPIAN SEA,” IRANIAN SCIENTIFIC FISHERIES JOURNAL, vol. 19, no. 4 (73), pp. 147–152, 2011, [Online]. Available: https://sid.ir/paper/4512/en

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