SPATIAL CHARACTERISTICS ASSESSMENT OF WATER QUALITY AND IDENTIFY ITS CONTROLLING FACTORS ALONG MAZANDARAN COASTSDURING SUMMER (MULTIVARIATE APPROACH)

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MAHMOUDI NEMAT; AHMADI MOHAMMADREZA; BABANEZHAD MANOCHEHR; SEYFABADI SEYED JAFAR; ROOHI ABOULGHASEM

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Journal: JOURNAL OF FISHERIES SCIENCE AND TECHNOLOGY (JFST) Year:2013 | Volume:2 | Issue:2 Page(s): 47-61

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Title

SPATIAL CHARACTERISTICS ASSESSMENT OF WATER QUALITY AND IDENTIFY ITS CONTROLLING FACTORS ALONG MAZANDARAN COASTSDURING SUMMER (MULTIVARIATE APPROACH)

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Keywords

CASPIAN SEAQ2

COASTAL ECOSYSTEMQ2

MAZANDARANQ2

WATER QUALITY CHARACTERISTICSQ2

MULTIVARIATE ANALYSISQ2

SPATIAL VARIATIONQ2

Abstract

Factors affecting the SPATIAL VARIATIONs of water quality of the MAZANDARAN COASTAL ECOSYSTEM was determined in summer 2012. For this purpose, water quality parameters (nutrients, temperature, conductivity, salinity, dissolved oxygen, pH, chlorophyll and turbidity) were evaluated along 4 transects (Amirabad, Babolsar, Noshahr and Ramsar) in the depths of 5, 10, 20 and 50m, using MULTIVARIATE ANALYSIS methods. Based on the cluster analysis of data, the sampling sites could be classified into 5 distinct groups, including 35-50m water layer of station 50m in all transects, 0-5m layer in station 5m in all transects, Ramsar transect and the majority of surface and bottom layers of 3 transects including Noshahr, Babolsar and Amirabad. Based on discriminant analysis, 86.40% of the sampling sites were correctly classified. Factor analysis explained 87.53% of the total variance, the five principal components of which (viz. temperature, turbidity, nitrate, silica and ammonium) were considered as the most effective parameters on the SPATIAL VARIATION of water quality. This study suggests that the number of sampling locations can be reduced to two transects. Thermocline, transport of nutrients (specially phosphorus and ammonium) from rivers, sea floor, cage culture and the ctenophore, M. leidyi, were the most effective sources on SPATIAL VARIATIONs of water quality. Moreover, the multivariate statistical methods were found to be useful tools to recognize the SPATIAL VARIATIONs pattern along the MAZANDARAN coasts in summer.

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APA: Copy

MAHMOUDI, NEMAT, AHMADI, MOHAMMADREZA, BABANEZHAD, MANOCHEHR, SEYFABADI, SEYED JAFAR, & ROOHI, ABOULGHASEM. (2013). SPATIAL CHARACTERISTICS ASSESSMENT OF WATER QUALITY AND IDENTIFY ITS CONTROLLING FACTORS ALONG MAZANDARAN COASTSDURING SUMMER (MULTIVARIATE APPROACH). JOURNAL OF FISHERIES SCIENCE AND TECHNOLOGY (JFST), 2(2), 47-61. SID. https://sid.ir/paper/246776/en

Vancouver: Copy

MAHMOUDI NEMAT, AHMADI MOHAMMADREZA, BABANEZHAD MANOCHEHR, SEYFABADI SEYED JAFAR, ROOHI ABOULGHASEM. SPATIAL CHARACTERISTICS ASSESSMENT OF WATER QUALITY AND IDENTIFY ITS CONTROLLING FACTORS ALONG MAZANDARAN COASTSDURING SUMMER (MULTIVARIATE APPROACH). JOURNAL OF FISHERIES SCIENCE AND TECHNOLOGY (JFST)[Internet]. 2013;2(2):47-61. Available from: https://sid.ir/paper/246776/en

IEEE: Copy

NEMAT MAHMOUDI, MOHAMMADREZA AHMADI, MANOCHEHR BABANEZHAD, SEYED JAFAR SEYFABADI, and ABOULGHASEM ROOHI, “SPATIAL CHARACTERISTICS ASSESSMENT OF WATER QUALITY AND IDENTIFY ITS CONTROLLING FACTORS ALONG MAZANDARAN COASTSDURING SUMMER (MULTIVARIATE APPROACH),” JOURNAL OF FISHERIES SCIENCE AND TECHNOLOGY (JFST), vol. 2, no. 2, pp. 47–61, 2013, [Online]. Available: https://sid.ir/paper/246776/en

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