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:: Volume 6, Issue 22 (2015) ::
joc 2015, 6(22): 29-37 Back to browse issues page
Ecobiological Study of Intertidal Rocky–Sandy Ecosystems in Ouli (Dayyer, Persian Gulf)
Fatemeh Khaksar * , Ahmad Savari , Shila Safaeian , Iman Arebi , Ehsan Abedi , Mahdieh Mahdavi
, khaksar@inio.ac.ir
Abstract:   (3665 Views)

In order to assess the ecological status of intertidal ecosystems in intertidal area of Ouli (Dayyer, Persian Gulf) sediment samples, and epifaunal organisms were collected. Total organic matter, grain size analysis and identification of infaunal macroinvertebrates were important measurement parameters. Sampling was performed during three seasons of warm (summer 2009), moderate (autumn 2009) and cold (winter 2009-10) from three tidal levels including high, mid and low tide of Harbor, Residential and Methanol transects. Environmental variables (e.g. temperature, salinity and pH) were simultaneously recorded. In the laboratory, Rose Bengal vital staining, dry sieving and burning methods were applied for identification of macrofauna. Grain size analysis and TOM were calculated. Ecological indices including species diversity, dominance, richness and evenness in two size levels of infauna and epifauna were also measured. The highest Shanon index was 1.092 during summer season. Temperature and salinity didn’t show any significant seasonal differences (P<0.05) in each station. Moreover, pH average (8.05) did not differ significantly. One of the most important variables influencing the ecological characteristics especially the infaunal assemblages of the study area was grain size. The highest abundance of benthic infauna was 54±4/9 Ind.m2 in Residential station and the lowest 22±2/3 Ind.m2 in Methano station. The present study revealed 16 animal taxa in Ouli area of the Persian Gulf .

Keywords: Intertidal ecosystems, Macrofauna, Ecological indices, Bushehr, Persian Gulf.
Full-Text [PDF 125 kb]   (945 Downloads)    
Type of Study: Research | Subject: Marine Biology
Accepted: 2015/09/27 | ePublished: 2015/09/27
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Khaksar F, Savari A, Safaeian S, Arebi I, Abedi E, Mahdavi M. Ecobiological Study of Intertidal Rocky–Sandy Ecosystems in Ouli (Dayyer, Persian Gulf). joc. 2015; 6 (22) :29-37
URL: http://joc.inio.ac.ir/article-1-767-en.html

Volume 6, Issue 22 (2015) Back to browse issues page
نشریه علمی پژوهشی اقیانوس شناسی Journal of Oceanography
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