BIOLOGICAL AND PHYTOCHEMICAL STUDIES ON SOME ISOLATED USEFUL ALGAE FROM SIWA OASIS
Youssra Essam Moustafa Abd El Rahman;
Abstract
ABSTRACT
In compliance to the recent surveys on algal species and their potentials to produce biologically active natural products, collection of the water samples were carried out during summer 2014 from five water sources in Siwa Oasis. Some physico-chemical and biological parameters for the water samples were recorded. Among these certain physico-chemical parameters were within the acceptable limit in the context of World Health Organization (WHO), while others exceeded. The phytoplankton community was represented by 54 species belonging to 35 genera and 4 algal groups: Bacillariophyta(20species), Cyanophyta (19species), Chlorophyta (13 species) and Euglenophyta (2species). The results showed a correlation between some physico-chemical parameters and phytoplankton community. Bacillariophyta dominated in Ain Fetnas, while Cyanophyta in Ain Cleopatra. Fetnas Lake had the lowest number of total algal taxa mainly due to the exceeded levels of electrical conductivity, Na+, K+, Cl-, HCO3-, Ca++, Mg++, total hardness and Boron.
In compliance to the recent surveys on algal species and their potentials to produce biologically active natural products, collection of the water samples were carried out during summer 2014 from five water sources in Siwa Oasis. Some physico-chemical and biological parameters for the water samples were recorded. Among these certain physico-chemical parameters were within the acceptable limit in the context of World Health Organization (WHO), while others exceeded. The phytoplankton community was represented by 54 species belonging to 35 genera and 4 algal groups: Bacillariophyta(20species), Cyanophyta (19species), Chlorophyta (13 species) and Euglenophyta (2species). The results showed a correlation between some physico-chemical parameters and phytoplankton community. Bacillariophyta dominated in Ain Fetnas, while Cyanophyta in Ain Cleopatra. Fetnas Lake had the lowest number of total algal taxa mainly due to the exceeded levels of electrical conductivity, Na+, K+, Cl-, HCO3-, Ca++, Mg++, total hardness and Boron.
Other data
| Title | BIOLOGICAL AND PHYTOCHEMICAL STUDIES ON SOME ISOLATED USEFUL ALGAE FROM SIWA OASIS | Authors | Youssra Essam Moustafa Abd El Rahman | Issue Date | 2019 |
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