TAILIEUCHUNG - Alga as an indicator of water quality in fresh water bodies of Mysore, Karnataka, India

The paper attempts to give an account of fresh water algae as an indicator of water quality. Eight lakes of Mysore have been studied. The Palmers Index IDSELS Diatom index and OMNIDA software, were used for calculated and analysed. The order of tolerance to organic pollution was calculated using the Garrett ranking techniques. According to Palmer index all the eight lakes were organically polluted. Bogadi Lake was least polluted and Karanji Lakes and Mandakahalli Lake were polluted. The present investigation compares the use of old and new techniques of detecting the water quality. It also enables us to understand whether the algae are imparting organic pollution of lake water. The species index indicated that Bogadi Lake, Hadinarru Lake, Karanji Lake and Bilikere Lake had low organic pollution. The diatom index showed that all lakes ranged between moderate and high organic pollution but the degradation levels in the water was also high. Dalvoi Lake and Mandakahalli Lake had the highest organic pollution. Species of Euglena and Scenedesmus were the most tolerant species found in organic polluted lakes. Algae were found to be highly resistant in Karanji Lake, Dalvoi Lake, Kukkarahalli Lake and Bilekere Lake. These sites were found to be conducible for the growth of algae, while most of the other lakes had idiosynthcratic species. This study uses the advanced modern tools in determining levels of organic pollution in Lake Ecosystem. | Alga as an indicator of water quality in fresh water bodies of Mysore, Karnataka, India

• Môi trường
• Organic pollution
• Alga as an indicator
• Water quality in fresh water bodies
• Fresh water bodies
• Fresh water bodies of Mysore
• Environmental risk
• Nemerow index
• Range of medium
• Mainly organic pollution levels
• Environmental risk assessment
• In this workbook
• experiments are elaborated using small scale glassware and equipments from a Small Lab Kit
• developed at the Department of Chemistry
• Faculty of Science
• Chulalongkorn University in Thailand
• This Small Lab Kit was created as a result of the research project entitled “Chemistry Laboratory Based on Chemical Safety and Pollution Minimization” sponsored by Thai Research Fund (RDG 3 07 2543)
• One of the outcomes of this project is the organic laboratory book entitled “Organic Chemistry Laboratory Based on Chemical Safety and Pollution Minimization” written in Thai by professors from 7 universities in this project
• They compiled
• adjusted and tested the experiments taken from several traditional organic chemistry laboratory books using the prototype of Small Lab Kit
• Currently
• some selected experiments from this Thai organic chemistry laboratory text have further been modified
• rewritten and edited in English as appeared in this workbook
• Some experiments ar
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