Volume 2, Issue 4 (2014)                   JFST 2014, 2(4): 35-45 | Back to browse issues page

‎ 20.1001.1.23225513.1392.2.4.7.7

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farhadiamiri A, shamoradi A, Salarialiabadi M, moradieh A. Seasonal Density and Distribution of Echinoderms of Khark Island. JFST 2014; 2 (4) :35-45
URL: http://jfst.modares.ac.ir/article-6-9980-en.html
Seasonal Density and Distribution of Echinoderms of Khark Island
Ardavan Farhadiamiri * 1, Alireza Shamoradi2 , Mohhamadali Salarialiabadi2 , Atefeh Moradieh2
1- khorramshahr university of marine science and thechnology
2- Khoramshahr University of Marine Science and Technology
Abstract:   (8974 Views)
Identification of intertidal echinoderms and the effect of environmental factors on their density and distribution in five stations around the Khark Island were seasonally investigated. Three transects were designated to cover the supralittoral, eulittoral and sublittoral zones within each station. The environmental factors such as temperature, salinity and total organic maters (TOM) were also recorded. Maximum and minimum water temperature were recorded in summer (35.94 ± 0.28) and in winter (18.34 ± 0.39) and the maximum and minimum salinity were recorded in winter (44.6± 0.14) and spring (37 ± 0.18), respectively. Maximum and minimum percentages of total organic maters (TOM) were observed in summer (9.63 ± 0.71) and winter (3.39±0.15), respectively.Totally four species belonging to for families were identified, viz. Asterina burtoni, Echinometra mathaei, Holothuria atra, Ophiothrix sarignyi, the highest frequency of which was encountered by E. mathaei. The maximum density and distribution were found in spring and minimum in summer and winter.
Keywords: Echinoderms, Environmental Effects, Distribution and Density, Khark Island
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Article Type: Research Article | Subject: Biology and physiology
Received: 2013/10/1 | Published: 2014/02/20
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