Comparsion of benthic crustasean's density and diversity in Bahrakan coasts during summer and winter
2014
Darabpour Dezdarani, M. | Nabavi, S.M.B. | Dostshenas, B. | Safahieh, A. | Savari, A.
Mudflats of the most important coastal habitats of the Persian Gulf to go and base are essential primary production. Variety of animal species to determine the biological and ecological health of an ecosystem of water is important. Class of ostracoda component of hard skin is shelled. To study the diversity and distribution of this species in the area seven stations were selected Bahrakan tidal beach. Sampling of sediment cores by the core 8/5cm^2 from 5 cm surface sediments were performed. Environmental factors such as salinity, temperature, dissolved oxygen and turbidity was measured. Total organic carbon and grain size of total deposits each station respectively. Biological sediments at each station with 10% formalin were fixed, 63 mm sieve, then washed and stained with Rose Bengal and the organisms isolated were tetrachloride carbon. The density of organisms in the winter and summer were 10495 and 3565 individuals in the 10cm^2, respectively. Finally, 29 species were identified. Cytheridae family was abundant. The highest value of Shannon’s diversity and brilluin index, Margalef index, Hill and Pielou’s evenness calculated in winter. The highest total organic carbon in winter and summer was 9.59 and 4.61, respectively. Sediment grain size showed that the region made of silt – clay and the highest percent of silt_ clay was in summer.
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