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:: Volume 4, Number 4 (Spring 2015) ::
J. Aqu. Eco. 2015, 4(4): 79-71 Back to browse issues page
Identification of blue-green algae and assessment of their ecological relationship in Chah-Ahmad hot spring of Hormozgan Province
Mitra Arman *, Hosein Riyahi, Ali Sonboli
Abstract:   (3103 Views)
The present study was aimed to identify thermophilic cyanobacterial of Chah-ahmad hot springs located in Hormozgan province. Sampling was done based on water resource condition, Water physicochemical analysis was performed due to their dramatic effects on species distribution. Thermophilic samples collected at different temperature gradients were fixed in 4% formaldehyde to minimize changes in phytoplankton. The taxonomic determination was carried out using artificial keys presented in some valid publications. Semi-permanent slides of each isolate were prepared and morphometric study is done using light microscopy. The vegetative and reproductive characters such as shape, color and size of the cell, colony, thallus and trichomes, shape, size and color of vegetative cells, apical cell shape, presence of sheaths and some other morphological were used in the taxonomic determination. Results showed the highest level of diversity was achieved at lower temperatures. Jaaginema angustissimum, Jaaginema pseudogeminatum and Jaaginema metaphyticum were present in all temperature gradients and well adapted to temperature gradients. CCA analysis was done in order to explore the relationship between the species composition in individual spring and physic-chemical parameters as environmental variables. According to the result indicated species are well separated along some parameter such pH, Do, temperature, Ca, Na, K, No3, Po4, So4.
Keywords: Blue-green algae, Hot springs, Thermophilic
Full-Text [PDF 569 kb]   (739 Downloads)    
Type of Study: Research | Subject: Special
Received: 2015/04/27 | Accepted: 2015/04/27 | Published: 2015/04/27
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Arman M, Riyahi H, Sonboli A. Identification of blue-green algae and assessment of their ecological relationship in Chah-Ahmad hot spring of Hormozgan Province. J. Aqu. Eco.. 2015; 4 (4) :79-71
URL: http://jae.hormozgan.ac.ir/article-1-179-en.html
Volume 4, Number 4 (Spring 2015) Back to browse issues page
نشریه علمی بوم شناسی آبزیان Journal of Aquatic Ecology
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