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:: Volume 26, Issue 6 (3-2018) ::
isfj 2018, 26(6): 69-79 Back to browse issues page
Determination of numerical scale of water quality based on the algal bloom potential in the southern Caspian Sea-Goharbaran (Mazandaran Provience)
A. Makhlough1 , H. Nasrollahzadeh Saravi * 1, M.A. Afraie1 , F. Eslami2 , A.R. Keyhansani1
1- Caspian Sea Ecology Research Center, Iranian Fisheries Science Research Institute (IFSRI), Agricultural Research, Education and Extension Organization (AREEO), Sari, Iran
2- Iranian Fisheries Science Research Institute (IFSRI), Agricultural Research, Education and Extension Organization (AREEO), Tehran, Iran
Abstract:   (5529 Views)

A growing human population and increased demand for protein will made marine aquaculture inevitable. Water quality monitoring is important due to the great interactions between water quality and aquaculture activities. Therefore, the present study was performed because of the importance of the phytoplankton studies in the environmental and monitoring studies in order to scale water quality based on the algal bloom potential in the southern Caspian Sea-Goharbaran where can be used for cage and pen fish farming. Water samples were collected monthly from different layers of water (surface, 5 and 10 m) at various depths (5, 10 and 15 m) during 2013-2014. Based on the results, the algal bloom threshold for phytoplankton abundance, phytoplankton biomass and chlorophyll-a concentration were 200 million cells/m3, 512 mg/m3 and 1.7 µg/L, respectively. The abundance of Binuclearia lauterbornii, Thalassionema nitzschioides and Pseudonitzschia seriata were in the medium class of algal bloom in the summer, autumn and winter, respectively. The scaling of water quality based on the algal bloom were defined as excellent from April to June, fine-medium in September and in October and medium-weak from January to early March. In the present study, using various parameters of phytoplankton (abundance, biomass and chlorophyll-a concentration) and evaluating biological and ecological characteristics of dominant phytoplankton species were increased the validity of the numerical scalling of water quality.
 

Keywords: Water quality, Algal bloom, Marine aquaculture, Goharbaran, Caspian Sea
Full-Text [PDF 578 kb]   (1533 Downloads)    
Type of Study: Research | Subject: اكولوژي محيطهاي آبي
Received: 2017/04/14 | Accepted: 2018/03/6 | Published: 2018/03/6
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Makhlough A, Nasrollahzadeh Saravi H, Afraie M, Eslami F, Keyhansani A. Determination of numerical scale of water quality based on the algal bloom potential in the southern Caspian Sea-Goharbaran (Mazandaran Provience). isfj 2018; 26 (6) :69-79
URL: http://isfj.ir/article-1-1782-en.html


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Creative Commons License This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
Volume 26, Issue 6 (3-2018) Back to browse issues page

با کسب مجوز از دفتر کمیسیون بررسی نشریات علمی وزارت علوم، تحقیات و فنآوری مجله علمی شیلات بصورت آنلاین می باشد و تعداد محدودی هم به چاپ می رساند. شماره شاپای جدید آن ISSN:2322-5998 است

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