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  • 1
    Publication Date: 2021-05-19
    Description: The Isolation , Purify , semi mass culture and mass culture of algae was started in bony fishes research center of Guillan from 2001-2004.during this survey 39 species of algae stock remained that all of them were pirified. Some of economic valuation of algae were studied ,forexample: food for aquaculture , protein, lipid and toxin extraction and antibacterial property. The result showed that Rodomonas sp. Initiate the most of growth and survival for Daphnia magna because this species have a lot of unsaturation fatty acid (w3) , also the species of cyclotellasp. was fed better than other algae by silver carp in this survey . amount of toxin was a little in most of algae. The species of Anabaena spp1. , Anabaena flos-aquae have Antibacterial property but Anabaena bergii, Nostoc caraneum and Oscillatoria affricanum have antifungal property.the both Antibacterial and antifungal property observed in Anabaena variabilis , Anabaena spp2.and Anabaena spp3.amount of protein in green and blue-green algae wasrespectively 51±8 and 60±10 percent of dry weight . Total lipid amount was 12±0.4 , 8±0.3 and 2±0.8 percent of dry weight respectively in chlorella vulgaris, Scenedesmus obliquus , Anabaena flos- aquae.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Green algae ; Blue-green algae ; Mass ; Culture ; Economic value ; Anabaena bergii ; Nostoc caraneum ; Oscillatoria affricanum ; Species ; Bony fishes ; Chlorella vulgaris ; Scenedesmus obliquus ; Fatty acid
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 109pp.
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  • 2
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    Islamic Azad University, Science and Research Branch, Tehran, Marine Biology
    In:  http://aquaticcommons.org/id/eprint/19589 | 17408 | 2016-01-22 09:44:38 | 19589 | Islamic Azad University, Science and Research Branch, Tehran
    Publication Date: 2021-07-01
    Description: Plankton survey of Persian Gulf was conducted Hormozgan, Bushehr and Khoozestan provinces during 4 seasons in 1998. In generally 244 species were Identified in Iranian area of Persian Gulf that consisted of 124 species of Bacillarophyceae, 114 species of Dinophyceae, 5 species of Cyanophyceae, species of Chrysophyceae and 1 species of Euglenophyceae Result shows that the density and diversity of phytoplankton compare to last years (1976-1977) changed dramaticaly. the density of phytoplankton increased from east to west of Gulf and during the year were observed two major pike in late summer and late winter. Density and diversity of phytoplankton in Koozestan region were more than other rigion. Seasonal average of phytoplankton in Hormozgan, Bushehr and Khoozestan were 1413622, 1440411 and 2237437 number/m3 respectively. Zooplankton had related inversly to phytoplankton where with increasing Zooplankton, decrease in phytoplankton were observed. Phytoplanktonic density and diversity decreas profundly changed slightly during years ago where the blue green algae had prevalent presence at all regions and the diatoms density decreased. Density of phytoplankton increased from surface to depth zom but decreased under it, however at winter incraese of phytoplankton were observed to depth 50 meter. Statistical test shows that density of phytooplankton in different depths and regions has not significantly differences, also the seasonaly denity of phytoplankton had seasonaly significantly differences too. Tuky test and clustering analysis shows that Shanon wiener diversity index at Khoozastan an Bushehr are siginificantly diffrences.
    Description: PhD
    Description: Advisor:Mohammadreza Fatemi Counsellors:Gholamhossein Vosoughi, Alireza Nikoeian. The full text document is in Farsi only so it has not been possible for AC Editors to check the metadata input.
    Keywords: Biology ; Ecology
    Repository Name: AquaDocs
    Type: thesis
    Format: application/pdf
    Format: application/pdf
    Format: 195
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