TEMPORAL AND SPATIAL VARIATION OF PHYTOPLANKTON/ZOOPLANKTON MASS RATIO IN SOUTHERN CASPIAN SEA, IRANIAN COASTS

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NASROLLAHZADEH SARAVI H.; MAKHLOUGH A.; ROWSHANTABARI M.; ESLAMI F.

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Paper Information

Journal: JOURNAL OF MARINE SCIENCE AND TECHNOLOGY RESEARCH Year:2012 | Volume:7 | Issue:2 Page(s): 51-59

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Title

TEMPORAL AND SPATIAL VARIATION OF PHYTOPLANKTON/ZOOPLANKTON MASS RATIO IN SOUTHERN CASPIAN SEA, IRANIAN COASTS

Author(s)

NASROLLAHZADEH SARAVI H. | MAKHLOUGH A. | ROWSHANTABARI M. | ESLAMI F. | Issue Writer Certificate

Keywords

PHYTOPLANKTONQ2

ZOOPLANKTONQ2

GRAZINGQ2

CASPIAN SEAQ2

IRANQ2

Abstract

Anthropogenic and eutrophication pressure impaired functional structure of plankton community and PHYTOPLANKTON/zooplankton biomass ratio (BPhyt/BZp). This paper studied dynamic of BPhyt/BZp ratio in different parts of southern CASPIAN SEA. The current study took effect during four seasons at 8 transects in 2009-2010. Results showed that not only abundance but also species composition had the great effect on BPhyt/BZp ratio. An increase of Cyanophyta abundance (low individual weight) decreased BPhyt:BZp ratio (4) in summer. While the ratio (11) was increased during winter which it was related to increasing of chain-forming species of Bacillariophyta. Although the BPhyt/BZp ratio was lowest in west part of southern CASPIAN SEA, however the ratio did not show significantly variation among different parts of the study area. In 2009-2010, the ratio was increased with 3 and 7 folds with comparison to the pervious studies in 1995 and 1996, respectively. In a conclusion, increase of BPhyt/BZp ratio, Shannon diversity index of PHYTOPLANKTON and decreasing of Shannon diversity index of ZOOPLANKTON indicate to insufficient consumption process (grazing) and energy transformation from PHYTOPLANKTON to ZOOPLANKTON.

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APA: Copy

NASROLLAHZADEH SARAVI, H., MAKHLOUGH, A., ROWSHANTABARI, M., & ESLAMI, F.. (2012). TEMPORAL AND SPATIAL VARIATION OF PHYTOPLANKTON/ZOOPLANKTON MASS RATIO IN SOUTHERN CASPIAN SEA, IRANIAN COASTS. JOURNAL OF MARINE SCIENCE AND TECHNOLOGY RESEARCH, 7(2), 51-59. SID. https://sid.ir/paper/173919/en

Vancouver: Copy

NASROLLAHZADEH SARAVI H., MAKHLOUGH A., ROWSHANTABARI M., ESLAMI F.. TEMPORAL AND SPATIAL VARIATION OF PHYTOPLANKTON/ZOOPLANKTON MASS RATIO IN SOUTHERN CASPIAN SEA, IRANIAN COASTS. JOURNAL OF MARINE SCIENCE AND TECHNOLOGY RESEARCH[Internet]. 2012;7(2):51-59. Available from: https://sid.ir/paper/173919/en

IEEE: Copy

H. NASROLLAHZADEH SARAVI, A. MAKHLOUGH, M. ROWSHANTABARI, and F. ESLAMI, “TEMPORAL AND SPATIAL VARIATION OF PHYTOPLANKTON/ZOOPLANKTON MASS RATIO IN SOUTHERN CASPIAN SEA, IRANIAN COASTS,” JOURNAL OF MARINE SCIENCE AND TECHNOLOGY RESEARCH, vol. 7, no. 2, pp. 51–59, 2012, [Online]. Available: https://sid.ir/paper/173919/en

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