Limnology of one of the worst affected rivers in Bangladesh

Md. Shafiqul Islam

Editore: LAP Lambert Academic Publishing Nov 2011, 2011
ISBN 10: 3846548464 / ISBN 13: 9783846548462
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Neuware - Phytoplankton diversity, 13 limnological variables recorded from three points reveals heavy to moderate pollution along 17 km stretch of the river Buriganga adjacent to Dhaka Metropolis. 180 species of phytoplankton belonging to 7 algal classes identified. Class Chlorophyceae stands highest and Cryptophyceae represented lowest. Among them about 70 taxa will be new report for Bangladesh. Comparison with the past, shows a greater shift of phytoplankton community i.e., from desmid and diatom dominated community to euglenoid and chlorococcoid dominated one. Most of the pollution related physico-chemical parameters increased some extent. Heavy loading of organic pollutants actually occurs near two upper stream stations. Water quality deteriorated seriously after 1995 but there exists a trend of gradual recovery from upstream to downstream. With in a span of 12 years dissolve oxygen dropped 90%, and soluble reactive phosphorus increase by 68%. Excessive concentration of some nutrients and pollutant particles might be responsible for bringing damage and incomplete growth in some phytoplankton. All these parameters indicate an overall deterioration of water quality of the river Buriganga. 180 pp. Englisch. Codice inventario libreria

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Riassunto: Phytoplankton diversity, 13 limnological variables recorded from three points reveals heavy to moderate pollution along 17 km stretch of the river Buriganga adjacent to Dhaka Metropolis. 180 species of phytoplankton belonging to 7 algal classes identified. Class Chlorophyceae stands highest and Cryptophyceae represented lowest. Among them about 70 taxa will be new report for Bangladesh. Comparison with the past, shows a greater shift of phytoplankton community i.e., from desmid and diatom dominated community to euglenoid and chlorococcoid dominated one. Most of the pollution related physico-chemical parameters increased some extent. Heavy loading of organic pollutants actually occurs near two upper stream stations. Water quality deteriorated seriously after 1995 but there exists a trend of gradual recovery from upstream to downstream. With in a span of 12 years dissolve oxygen dropped 90%, and soluble reactive phosphorus increase by 68%. Excessive concentration of some nutrients and pollutant particles might be responsible for bringing damage and incomplete growth in some phytoplankton. All these parameters indicate an overall deterioration of water quality of the river Buriganga.

About the Author: Dr. Md. Shafiqul Islam has obtained his PhD in Limnology in 2008. He joined Bangladesh civil service in 1998. Since then he has worked in different civil service positions including Deputy Director, Training in Ansar-VDP Academy and actively involved in village based training. He is the author of several articles published in reputed journals.

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Titolo: Limnology of one of the worst affected ...
Casa editrice: LAP Lambert Academic Publishing Nov 2011
Data di pubblicazione: 2011
Legatura: Taschenbuch
Condizione libro: Neu

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Descrizione libro Condizione libro: New. Publisher/Verlag: LAP Lambert Academic Publishing | Phytoplankton diversity,its Seasonality and Pollution status in one of the worst affected river in Bangladesh | Phytoplankton diversity, 13 limnological variables recorded from three points reveals heavy to moderate pollution along 17 km stretch of the river Buriganga adjacent to Dhaka Metropolis. 180 species of phytoplankton belonging to 7 algal classes identified. Class Chlorophyceae stands highest and Cryptophyceae represented lowest. Among them about 70 taxa will be new report for Bangladesh. Comparison with the past, shows a greater shift of phytoplankton community i.e., from desmid and diatom dominated community to euglenoid and chlorococcoid dominated one. Most of the pollution related physico-chemical parameters increased some extent. Heavy loading of organic pollutants actually occurs near two upper stream stations. Water quality deteriorated seriously after 1995 but there exists a trend of gradual recovery from upstream to downstream. With in a span of 12 years dissolve oxygen dropped 90%, and soluble reactive phosphorus increase by 68%. Excessive concentration of some nutrients and pollutant particles might be responsible for bringing damage and incomplete growth in some phytoplankton. All these parameters indicate an overall deterioration of water quality of the river Buriganga. | Format: Paperback | Language/Sprache: english | 180 pp. Codice libro della libreria K9783846548462

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Md. Shafiqul Islam
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Descrizione libro LAP Lambert Academic Publishing Nov 2011, 2011. Taschenbuch. Condizione libro: Neu. Neuware - Phytoplankton diversity, 13 limnological variables recorded from three points reveals heavy to moderate pollution along 17 km stretch of the river Buriganga adjacent to Dhaka Metropolis. 180 species of phytoplankton belonging to 7 algal classes identified. Class Chlorophyceae stands highest and Cryptophyceae represented lowest. Among them about 70 taxa will be new report for Bangladesh. Comparison with the past, shows a greater shift of phytoplankton community i.e., from desmid and diatom dominated community to euglenoid and chlorococcoid dominated one. Most of the pollution related physico-chemical parameters increased some extent. Heavy loading of organic pollutants actually occurs near two upper stream stations. Water quality deteriorated seriously after 1995 but there exists a trend of gradual recovery from upstream to downstream. With in a span of 12 years dissolve oxygen dropped 90%, and soluble reactive phosphorus increase by 68%. Excessive concentration of some nutrients and pollutant particles might be responsible for bringing damage and incomplete growth in some phytoplankton. All these parameters indicate an overall deterioration of water quality of the river Buriganga. 180 pp. Englisch. Codice libro della libreria 9783846548462

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Md. Shafiqul Islam
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Descrizione libro LAP Lambert Academic Publishing Nov 2011, 2011. Taschenbuch. Condizione libro: Neu. Neuware - Phytoplankton diversity, 13 limnological variables recorded from three points reveals heavy to moderate pollution along 17 km stretch of the river Buriganga adjacent to Dhaka Metropolis. 180 species of phytoplankton belonging to 7 algal classes identified. Class Chlorophyceae stands highest and Cryptophyceae represented lowest. Among them about 70 taxa will be new report for Bangladesh. Comparison with the past, shows a greater shift of phytoplankton community i.e., from desmid and diatom dominated community to euglenoid and chlorococcoid dominated one. Most of the pollution related physico-chemical parameters increased some extent. Heavy loading of organic pollutants actually occurs near two upper stream stations. Water quality deteriorated seriously after 1995 but there exists a trend of gradual recovery from upstream to downstream. With in a span of 12 years dissolve oxygen dropped 90%, and soluble reactive phosphorus increase by 68%. Excessive concentration of some nutrients and pollutant particles might be responsible for bringing damage and incomplete growth in some phytoplankton. All these parameters indicate an overall deterioration of water quality of the river Buriganga. 180 pp. Englisch. Codice libro della libreria 9783846548462

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Md. Shafiqul Islam
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Descrizione libro LAP Lambert Academic Publishing Nov 2011, 2011. Taschenbuch. Condizione libro: Neu. This item is printed on demand - Print on Demand Neuware - Phytoplankton diversity, 13 limnological variables recorded from three points reveals heavy to moderate pollution along 17 km stretch of the river Buriganga adjacent to Dhaka Metropolis. 180 species of phytoplankton belonging to 7 algal classes identified. Class Chlorophyceae stands highest and Cryptophyceae represented lowest. Among them about 70 taxa will be new report for Bangladesh. Comparison with the past, shows a greater shift of phytoplankton community i.e., from desmid and diatom dominated community to euglenoid and chlorococcoid dominated one. Most of the pollution related physico-chemical parameters increased some extent. Heavy loading of organic pollutants actually occurs near two upper stream stations. Water quality deteriorated seriously after 1995 but there exists a trend of gradual recovery from upstream to downstream. With in a span of 12 years dissolve oxygen dropped 90%, and soluble reactive phosphorus increase by 68%. Excessive concentration of some nutrients and pollutant particles might be responsible for bringing damage and incomplete growth in some phytoplankton. All these parameters indicate an overall deterioration of water quality of the river Buriganga. 180 pp. Englisch. Codice libro della libreria 9783846548462

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Md. Shafiqul Islam, Khondker Moniruzzaman
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Descrizione libro LAP Lambert Academic Publishing, 2011. Paperback. Condizione libro: New. Aufl.. Language: English . Brand New Book. Phytoplankton diversity, 13 limnological variables recorded from three points reveals heavy to moderate pollution along 17 km stretch of the river Buriganga adjacent to Dhaka Metropolis. 180 species of phytoplankton belonging to 7 algal classes identified. Class Chlorophyceae stands highest and Cryptophyceae represented lowest. Among them about 70 taxa will be new report for Bangladesh. Comparison with the past, shows a greater shift of phytoplankton community i.e., from desmid and diatom dominated community to euglenoid and chlorococcoid dominated one. Most of the pollution related physico-chemical parameters increased some extent. Heavy loading of organic pollutants actually occurs near two upper stream stations. Water quality deteriorated seriously after 1995 but there exists a trend of gradual recovery from upstream to downstream. With in a span of 12 years dissolve oxygen dropped 90 , and soluble reactive phosphorus increase by 68 . Excessive concentration of some nutrients and pollutant particles might be responsible for bringing damage and incomplete growth in some phytoplankton. All these parameters indicate an overall deterioration of water quality of the river Buriganga. Codice libro della libreria LIB9783846548462

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