THE QUANTITATIVE CHANGES OF SILLICON AND DIATOMS IN SOUTHERN PART OF CASPIAN SEA

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NASR ELAHZADEH SARAVI H.; MAKHLOGH A.

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Journal: Iranian Scientific Fisheries Journal Year:2001 | Volume:10 | Issue:2 Page(s): 63-76

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Information Journal Paper

Title

THE QUANTITATIVE CHANGES OF SILLICON AND DIATOMS IN SOUTHERN PART OF CASPIAN SEA

Author(s)

NASR ELAHZADEH SARAVI H. | MAKHLOGH A. | Issue Writer Certificate

Keywords

DIATOMSQ3

SILLICONQ2

CASPIAN SEAQ3

IRANQ3

Abstract

The purpose of this study was to evaluate the changes of dissolved silicon concentration and biomass of DIATOMS in southern part of CASPIAN SEA. 1270 plankton and water samples were collected seasonally from 77 stations for further quantitative and qualitative analysis.The results showed that the minimum and maximum density of dissolved SILLICON and biomass of DIATOMS were varied from 0.195 to 0.308 ppm and 33 to 179 mg/m3, respectively. As well as the fluctuation of dissolved SILLICON concentration in different depths of photic zone, it was indicated that the maximum and minimum concentration of this element were found in the eastern area with 0.269 ppm and western area with 0.180 ppm. The most and the least biomass of DIATOMS were observed in the western and central areas with 180 and 89 mg/m3, respectively.The concentration of SILLICON in offshore waters was more than coastal waters and on the contrary, the biomass of DIATOMS from coastal to offshore waters indicated a among catch composition, and on the other hand the least frequency in number we observed for Brbus mursa, Ctenopharyngodon idella, Hypophthalmyichthys molitrix, nobilis and Gobio persus with a total frequency of 0.5%. Among the total 27 identified species, 7 species were classified as exotic fishes should be mentioned that 8 species are reported for the first time from the stud area.

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References

حفاظت از محیط زیست دریای خزر، توسعه و بهره وری پایدار

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APA: Copy

NASR ELAHZADEH SARAVI, H., & MAKHLOGH, A.. (2001). THE QUANTITATIVE CHANGES OF SILLICON AND DIATOMS IN SOUTHERN PART OF CASPIAN SEA. IRANIAN SCIENTIFIC FISHERIES JOURNAL, 10(2), 63-76. SID. https://sid.ir/paper/4744/en

Vancouver: Copy

NASR ELAHZADEH SARAVI H., MAKHLOGH A.. THE QUANTITATIVE CHANGES OF SILLICON AND DIATOMS IN SOUTHERN PART OF CASPIAN SEA. IRANIAN SCIENTIFIC FISHERIES JOURNAL[Internet]. 2001;10(2):63-76. Available from: https://sid.ir/paper/4744/en

IEEE: Copy

H. NASR ELAHZADEH SARAVI, and A. MAKHLOGH, “THE QUANTITATIVE CHANGES OF SILLICON AND DIATOMS IN SOUTHERN PART OF CASPIAN SEA,” IRANIAN SCIENTIFIC FISHERIES JOURNAL, vol. 10, no. 2, pp. 63–76, 2001, [Online]. Available: https://sid.ir/paper/4744/en

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