Anthropogenic pollution of Lake Hawassa, southern Ethiopia: Impact of point sources, environmental policy and legal frameworks

 
9783639337396: Anthropogenic pollution of Lake Hawassa, southern Ethiopia: Impact of point sources, environmental policy and legal frameworks
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Lake Hawassa is the smallest lake in the rift valley of Ethiopia. Its pollution from industrial discharges has become a serious concern. The objective of this work was to assess its pollution and policy on it. Effluents contained chemical parameters that surpassed the maximum permissible limits (MPL) of EPA. The concentrations Hg, Pb, Cd, Fe and Ni in Tikur Wuha River were above MPL in drinking water due to inflowing effluent. The concentrations of these metals in the lake water were far less and below MPL in drinking water, but the level of heavy metals in the only inflowing river is a warning to the lake. Fry mortality and algal biomass varied depending on effluent source and concentration level used in the study. High fry death and algal growth were observed in textile factory effluent treatment. Earlier studies indicated that fish from the lake contained Hg, Zn, Fe, Mn and Cu, but their concentrations in the muscles of the most fished species were below the recommended MPL in human diets. The concentration of Hg in the muscles of less fished species exceeded the permissible level in human diets.

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Behailu Berehanu studied Hydrogeology at Addis Ababa University. Head at the Department of NRES HU-WGCFNR. Bekele Lemma studied Soil Science at Swedish University of Agricultural Sciences. Assistant professor in Hawassa University Yosef Tekle-Giorgis studied Biology at Addis Ababa University. Assistant professor in Hawassa University.

Behailu Berehanu studied Hydrogeology at Addis Ababa University. Head at the Department of NRES HU-WGCFNR. Bekele Lemma studied Soil Science at Swedish University of Agricultural Sciences. Assistant professor in Hawassa University Yosef Tekle-Giorgis studied Biology at Addis Ababa University. Assistant professor in Hawassa University.

Behailu Berehanu studied Hydrogeology at Addis Ababa University. Head at the Department of NRES HU-WGCFNR. Bekele Lemma studied Soil Science at Swedish University of Agricultural Sciences. Assistant professor in Hawassa University Yosef Tekle-Giorgis studied Biology at Addis Ababa University. Assistant professor in Hawassa University.

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Book Description Condition: New. Publisher/Verlag: VDM Verlag Dr. Müller | Impact of point sources, environmental policy and legal frameworks | Lake Hawassa is the smallest lake in the rift valley of Ethiopia. Its pollution from industrial discharges has become a serious concern. The objective of this work was to assess its pollution and policy on it. Effluents contained chemical parameters that surpassed the maximum permissible limits (MPL) of EPA. The concentrations Hg, Pb, Cd, Fe and Ni in Tikur Wuha River were above MPL in drinking water due to inflowing effluent. The concentrations of these metals in the lake water were far less and below MPL in drinking water, but the level of heavy metals in the only inflowing river is a warning to the lake. Fry mortality and algal biomass varied depending on effluent source and concentration level used in the study. High fry death and algal growth were observed in textile factory effluent treatment. Earlier studies indicated that fish from the lake contained Hg, Zn, Fe, Mn and Cu, but their concentrations in the muscles of the most fished species were below the recommended MPL in human diets. The concentration of Hg in the muscles of less fished species exceeded the permissible level in human diets. | Format: Paperback | Language/Sprache: english | 108 pp. Seller Inventory # K9783639337396

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Book Description VDM Verlag Mai 2011, 2011. Taschenbuch. Condition: Neu. Neuware - Lake Hawassa is the smallest lake in the rift valley of Ethiopia. Its pollution from industrial discharges has become a serious concern. The objective of this work was to assess its pollution and policy on it. Effluents contained chemical parameters that surpassed the maximum permissible limits (MPL) of EPA. The concentrations Hg, Pb, Cd, Fe and Ni in Tikur Wuha River were above MPL in drinking water due to inflowing effluent. The concentrations of these metals in the lake water were far less and below MPL in drinking water, but the level of heavy metals in the only inflowing river is a warning to the lake. Fry mortality and algal biomass varied depending on effluent source and concentration level used in the study. High fry death and algal growth were observed in textile factory effluent treatment. Earlier studies indicated that fish from the lake contained Hg, Zn, Fe, Mn and Cu, but their concentrations in the muscles of the most fished species were below the recommended MPL in human diets. The concentration of Hg in the muscles of less fished species exceeded the permissible level in human diets. 108 pp. Englisch. Seller Inventory # 9783639337396

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Book Description VDM Verlag Mai 2011, 2011. Taschenbuch. Condition: Neu. Neuware - Lake Hawassa is the smallest lake in the rift valley of Ethiopia. Its pollution from industrial discharges has become a serious concern. The objective of this work was to assess its pollution and policy on it. Effluents contained chemical parameters that surpassed the maximum permissible limits (MPL) of EPA. The concentrations Hg, Pb, Cd, Fe and Ni in Tikur Wuha River were above MPL in drinking water due to inflowing effluent. The concentrations of these metals in the lake water were far less and below MPL in drinking water, but the level of heavy metals in the only inflowing river is a warning to the lake. Fry mortality and algal biomass varied depending on effluent source and concentration level used in the study. High fry death and algal growth were observed in textile factory effluent treatment. Earlier studies indicated that fish from the lake contained Hg, Zn, Fe, Mn and Cu, but their concentrations in the muscles of the most fished species were below the recommended MPL in human diets. The concentration of Hg in the muscles of less fished species exceeded the permissible level in human diets. 108 pp. Englisch. Seller Inventory # 9783639337396

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Book Description VDM Verlag, Germany, 2011. Paperback. Condition: New. Language: English . Brand New Book. Lake Hawassa is the smallest lake in the rift valley of Ethiopia. Its pollution from industrial discharges has become a serious concern. The objective of this work was to assess its pollution and policy on it. Effluents contained chemical parameters that surpassed the maximum permissible limits (MPL) of EPA. The concentrations Hg, Pb, Cd, Fe and Ni in Tikur Wuha River were above MPL in drinking water due to inflowing effluent. The concentrations of these metals in the lake water were far less and below MPL in drinking water, but the level of heavy metals in the only inflowing river is a warning to the lake. Fry mortality and algal biomass varied depending on effluent source and concentration level used in the study. High fry death and algal growth were observed in textile factory effluent treatment. Earlier studies indicated that fish from the lake contained Hg, Zn, Fe, Mn and Cu, but their concentrations in the muscles of the most fished species were below the recommended MPL in human diets. The concentration of Hg in the muscles of less fished species exceeded the permissible level in human diets. Seller Inventory # KNV9783639337396

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