BIOLOGICAL INDEXES OF ZOOPLANKTON FROM DIFFERENT DEPTH AND DAYTIME IN COASTAL REGION OF BANDARE-ANZALI

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HEYDARI M.; SEYFABADI J.; KHANIPOUR A.A.

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Journal: IRANIAN JOURNAL OF BIOLOGY Year:2011 | Volume:24 | Issue:4 Page(s): 623-631

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Title

BIOLOGICAL INDEXES OF ZOOPLANKTON FROM DIFFERENT DEPTH AND DAYTIME IN COASTAL REGION OF BANDARE-ANZALI

Author(s)

HEYDARI M. | SEYFABADI J. | KHANIPOUR A.A. | Issue Writer Certificate

Keywords

ZOOPLANKTONQ2

MNEMIOPSIS LEIDYIQ2

ACARTIA SP.Q2

BIOLOGICAL INDEXESQ2

CASPIAN SEAQ2

Abstract

Biological indexes of ZOOPLANKTON in coastal region of Bandar Anzali were investigated. Samples were collected using closing vertical net (36 cm diameter and mesh size of 110 mm) in depths 0-10, 20-20, 20-30, 30-40 and 40-50m at time interval of 2.5-3.5 hours for three days in the summer of 2007. Shannon-wiener diversity index in all depths and daytime were lower than 1 which indicates high stress in this environment. This indicator and stress means grazing pressure of MNEMIOPSIS LEIDYI on planktons that caused deterioration of Caspian ecosystem in extremity. The result of Simpson dominancy index showed high dominancy of two species, ACARTIA SP. and M. leidyi in this ecosystem. Furthermore, Pielou evenness index showed non-evenness in the environment and the end lower values of Margalef species richness also confirm high stress in the environment due to M. leidyi appearance. Thus, control of this ctenophore is one of the most important steps to protect the CASPIAN SEA biodiversity and it’s valuable resources.

Cites

ASSESSMENT OF DISTRIBUTION AND ABUNDANCE OF ZOOPLANKTON COMMUNITIES IN THE ATRAK RIVER, NORTHERN KHORASAN PROVINCE

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APA: Copy

HEYDARI, M., SEYFABADI, J., & KHANIPOUR, A.A.. (2011). BIOLOGICAL INDEXES OF ZOOPLANKTON FROM DIFFERENT DEPTH AND DAYTIME IN COASTAL REGION OF BANDARE-ANZALI. IRANIAN JOURNAL OF BIOLOGY, 24(4), 623-631. SID. https://sid.ir/paper/21440/en

Vancouver: Copy

HEYDARI M., SEYFABADI J., KHANIPOUR A.A.. BIOLOGICAL INDEXES OF ZOOPLANKTON FROM DIFFERENT DEPTH AND DAYTIME IN COASTAL REGION OF BANDARE-ANZALI. IRANIAN JOURNAL OF BIOLOGY[Internet]. 2011;24(4):623-631. Available from: https://sid.ir/paper/21440/en

IEEE: Copy

M. HEYDARI, J. SEYFABADI, and A.A. KHANIPOUR, “BIOLOGICAL INDEXES OF ZOOPLANKTON FROM DIFFERENT DEPTH AND DAYTIME IN COASTAL REGION OF BANDARE-ANZALI,” IRANIAN JOURNAL OF BIOLOGY, vol. 24, no. 4, pp. 623–631, 2011, [Online]. Available: https://sid.ir/paper/21440/en

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