Comparison study on identification and evaluation of density and distribution of zooplankton in the reservoir dam of Kardeh, Mashhad

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SALAVATIAN S.M.; SABKARA J.; Pourgholami Moghaddam a.; MADADI F.

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Journal: NEW TECHNOLOGIES IN AQUACULTURE DEVELOPMENT (JOURNAL OF FISHERIES) Year:2017 | Volume:11 | Issue:2 Page(s): 63-72

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Title

Comparison study on identification and evaluation of density and distribution of zooplankton in the reservoir dam of Kardeh, Mashhad

Author(s)

SALAVATIAN S.M. | SABKARA J. | Pourgholami Moghaddam a. | MADADI F. | Issue Writer Certificate

Keywords

DensityQ2

DistributionQ2

Kardae reservoir damQ2

ZooplanktonQ1

Abstract

A comparative study was conducted on Density and Distribution of Zooplankton in the Dam of Kardeh from April to March 2014. The samples were collected by Juddy net 55 microns. The maximum sampling depth (20 m) was showed in station 1 (Dam crest) during of spring. The specimens were fixed in formaldehyde (4%) and were identified and counted by inverted microscope. The population abundance of Rotatoria was showed with 62. 81 percent in a year which their dominant genera were Polyarthra, Syncheata and Keratella respectively. The frequency of Cladocera was 18. 51% and their dominant genera were Bosmina and Chdrus, respectively. The order of Cilliophora (14. 82%) with Tintinopsis, Ciliata and Didinium (3. 47%) were showed, respectively during year of 2015. In this study, 24 genera were identified from four plankton orders. The maximum average of Zooplanktonic cell Density was related to order of Rotifera in all months of sampling. Annual average of zooplanctonic total abundance was 922 ± 22 per liter, which, order of Rotifera was showed maximum Density (394 ± 11 per liter) in the summer. Annual average frequency of Cladocera was 85 ± 21 in summer. In other hand, this average for Cilliophora was 137 per litter. Lowest frequency was related to copepod in all season while maximum frequency of them was showed 16± 4 per litter in summer. The maximum zooplanctonic frequency were showed in station 1 (Dams's crest) and 3 (end of the river), whereas, maximum average of Zooplankton with cell Density of 521± 45 per litter was calculated in summer. According to Non-parametric of kruskal-wallis and Mann-whieny test, there is significant different between stations and different months (P<0. 05), whereas there is no significant difference between depths. For seasons, summer showed significant difference with other three seasons (P<0. 05).

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APA: Copy

SALAVATIAN, S.M., SABKARA, J., Pourgholami Moghaddam, a., & MADADI, F.. (2017). Comparison study on identification and evaluation of density and distribution of zooplankton in the reservoir dam of Kardeh, Mashhad. NEW TECHNOLOGIES IN AQUACULTURE DEVELOPMENT (JOURNAL OF FISHERIES), 11(2 ), 63-72. SID. https://sid.ir/paper/161662/en

Vancouver: Copy

SALAVATIAN S.M., SABKARA J., Pourgholami Moghaddam a., MADADI F.. Comparison study on identification and evaluation of density and distribution of zooplankton in the reservoir dam of Kardeh, Mashhad. NEW TECHNOLOGIES IN AQUACULTURE DEVELOPMENT (JOURNAL OF FISHERIES)[Internet]. 2017;11(2 ):63-72. Available from: https://sid.ir/paper/161662/en

IEEE: Copy

S.M. SALAVATIAN, J. SABKARA, a. Pourgholami Moghaddam, and F. MADADI, “Comparison study on identification and evaluation of density and distribution of zooplankton in the reservoir dam of Kardeh, Mashhad,” NEW TECHNOLOGIES IN AQUACULTURE DEVELOPMENT (JOURNAL OF FISHERIES), vol. 11, no. 2 , pp. 63–72, 2017, [Online]. Available: https://sid.ir/paper/161662/en

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