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Cattle egrets as a biosentinels of persistent organic pollutants exposure.

Byline: Mudassar Khan (1), Ashiq Mohammad (2), Karam Ahad (2), Athanasios Katsoyiannis (3), Salman Akbar Malik (1), Muhammad Abdullaha (1), Azhar Rashid (4), Mauro Fasola (5), Alamdar Hussain (6), Habib Bokhari (6), Syed Ali Musstjab Akber Shah Eqani (6) Keywords: Chlorinated pollutants; Cattle egre... Full description

Journal Title: Environmental geochemistry and health June 2014, Vol.36(3), pp.375-384
Main Author: Khan, Mudassar
Other Authors: Mohammad, Ashiq , Ahad, Karam , Katsoyiannis, Athanasios , Malik, Salman Akbar , Abdullaha, Muhammad , Rashid, Azhar , Fasola, Mauro , Hussain, Alamdar , Bokhari, Habib , Eqani, Syed Ali Musstjab Akber Shah
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: E-ISSN: 1573-2983 ; DOI: 10.1007/s10653-013-9556-5
Link: http://search.proquest.com/docview/1518814316/?pq-origsite=primo
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title: Cattle egrets as a biosentinels of persistent organic pollutants exposure.
format: Article
creator:
  • Khan, Mudassar
  • Mohammad, Ashiq
  • Ahad, Karam
  • Katsoyiannis, Athanasios
  • Malik, Salman Akbar
  • Abdullaha, Muhammad
  • Rashid, Azhar
  • Fasola, Mauro
  • Hussain, Alamdar
  • Bokhari, Habib
  • Eqani, Syed Ali Musstjab Akber Shah
subjects:
  • Animals–Methods
  • Birds–Analysis
  • Environmental Monitoring–Analysis
  • Environmental Pollutants–Analysis
  • Hydrocarbons, Chlorinated–Analysis
  • Organic Chemicals–Analysis
  • Pakistan–Analysis
  • Environmental Pollutants
  • Hydrocarbons, Chlorinated
  • Organic Chemicals
ispartof: Environmental geochemistry and health, June 2014, Vol.36(3), pp.375-384
description: Byline: Mudassar Khan (1), Ashiq Mohammad (2), Karam Ahad (2), Athanasios Katsoyiannis (3), Salman Akbar Malik (1), Muhammad Abdullaha (1), Azhar Rashid (4), Mauro Fasola (5), Alamdar Hussain (6), Habib Bokhari (6), Syed Ali Musstjab Akber Shah Eqani (6) Keywords: Chlorinated pollutants; Cattle egret; Biomagnification; Pakistan Abstract: We investigated selected chlorinated pollutants ([beta]-HCH, I[sup.3]-HCH, DDDs, DDEs, o,p -DDT, p,p -DDT, heptachlor, aldrin, dieldrin, and endrin) in the Lahore and the Sialkot districts of Pakistan, using eggs of cattle egret (Bubulcus ibis) collected during May and June 2007. The pollutant with highest level and frequency was [summation over (term)]DDT, followed by [beta]-HCH, I[sup.3]-HCH, heptachlor, aldrin, dieldrin, and endrin in descending order. The concentration(s) were significantly higher in Sialkot heronry for all the pollutants (except p,p -DDT) than in Lahore. The values for DDTs, [beta]-HCH, I[sup.3]-HCH, and heptachlor were significantly higher (p < 0.05) in the egg(s) than in sediment(s) and in the chicks' diet, due to biomagnification. Among DDTs analogues, p,p -DDD was the major contaminant with >60 % of total DDT burden, reflecting the widespread aged as well as recent use of DDT as well as anaerobic degradation (DDD/DDE > 1 in many cases) in the nearby paddy soils. In few samples, p,p -DDT/(DDD + DDE) > 0.5 suggested the recent emission patterns from surrounding contaminated areas of demolished DDT units and obsolete pesticide stores. The higher levels of HCHs (i.e., [beta]-HCH) in the samples collected from Sialkot indicate exposure from long-term agricultural use. Overall, concentrations of all studied POPs were less than the threshold levels known to affect reproduction. Nevertheless, total DDTs and/or HCHs burdens in some eggs contained concentrations of greater than what would educe adverse effects on birds. This is among few studies on OCPs exposure to avian species, which provide the evidence of Pakistan's contribution toward the Global POPs emission. Author Affiliation: (1) Department of Biochemistry, Quaid-i-Azam University, Islamabad, 45320, Pakistan (2) Ecotoxicology Research Program, National Agricultural Research Center, Park Road, Islamabad, 45500, Pakistan (3) FRAM-High North Research, Centre on Climate and the Environment, Norwegian Institute for Air Research, 9296, Tromso, Norway (4) Nuclear Institute for Food and Agriculture (NIFA), Peshawar, Pakistan (5) Dipartimento Scienze della
language: eng
source:
identifier: E-ISSN: 1573-2983 ; DOI: 10.1007/s10653-013-9556-5
fulltext: fulltext
issn:
  • 15732983
  • 1573-2983
url: Link


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titleCattle egrets as a biosentinels of persistent organic pollutants exposure.
creatorKhan, Mudassar ; Mohammad, Ashiq ; Ahad, Karam ; Katsoyiannis, Athanasios ; Malik, Salman Akbar ; Abdullaha, Muhammad ; Rashid, Azhar ; Fasola, Mauro ; Hussain, Alamdar ; Bokhari, Habib ; Eqani, Syed Ali Musstjab Akber Shah
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ispartofEnvironmental geochemistry and health, June 2014, Vol.36(3), pp.375-384
identifierE-ISSN: 1573-2983 ; DOI: 10.1007/s10653-013-9556-5
subjectAnimals–Methods ; Birds–Analysis ; Environmental Monitoring–Analysis ; Environmental Pollutants–Analysis ; Hydrocarbons, Chlorinated–Analysis ; Organic Chemicals–Analysis ; Pakistan–Analysis ; Environmental Pollutants ; Hydrocarbons, Chlorinated ; Organic Chemicals
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descriptionByline: Mudassar Khan (1), Ashiq Mohammad (2), Karam Ahad (2), Athanasios Katsoyiannis (3), Salman Akbar Malik (1), Muhammad Abdullaha (1), Azhar Rashid (4), Mauro Fasola (5), Alamdar Hussain (6), Habib Bokhari (6), Syed Ali Musstjab Akber Shah Eqani (6) Keywords: Chlorinated pollutants; Cattle egret; Biomagnification; Pakistan Abstract: We investigated selected chlorinated pollutants ([beta]-HCH, I[sup.3]-HCH, DDDs, DDEs, o,p -DDT, p,p -DDT, heptachlor, aldrin, dieldrin, and endrin) in the Lahore and the Sialkot districts of Pakistan, using eggs of cattle egret (Bubulcus ibis) collected during May and June 2007. The pollutant with highest level and frequency was [summation over (term)]DDT, followed by [beta]-HCH, I[sup.3]-HCH, heptachlor, aldrin, dieldrin, and endrin in descending order. The concentration(s) were significantly higher in Sialkot heronry for all the pollutants (except p,p -DDT) than in Lahore. The values for DDTs, [beta]-HCH, I[sup.3]-HCH, and heptachlor were significantly higher (p < 0.05) in the egg(s) than in sediment(s) and in the chicks' diet, due to biomagnification. Among DDTs analogues, p,p -DDD was the major contaminant with >60 % of total DDT burden, reflecting the widespread aged as well as recent use of DDT as well as anaerobic degradation (DDD/DDE > 1 in many cases) in the nearby paddy soils. In few samples, p,p -DDT/(DDD + DDE) > 0.5 suggested the recent emission patterns from surrounding contaminated areas of demolished DDT units and obsolete pesticide stores. The higher levels of HCHs (i.e., [beta]-HCH) in the samples collected from Sialkot indicate exposure from long-term agricultural use. Overall, concentrations of all studied POPs were less than the threshold levels known to affect reproduction. Nevertheless, total DDTs and/or HCHs burdens in some eggs contained concentrations of greater than what would educe adverse effects on birds. This is among few studies on OCPs exposure to avian species, which provide the evidence of Pakistan's contribution toward the Global POPs emission. Author Affiliation: (1) Department of Biochemistry, Quaid-i-Azam University, Islamabad, 45320, Pakistan (2) Ecotoxicology Research Program, National Agricultural Research Center, Park Road, Islamabad, 45500, Pakistan (3) FRAM-High North Research, Centre on Climate and the Environment, Norwegian Institute for Air Research, 9296, Tromso, Norway (4) Nuclear Institute for Food and Agriculture (NIFA), Peshawar, Pakistan (5) Dipartimento Scienze della Terra E Dell', Ambiente Universita`, Via Ferrata 9, 27100, Pavia, Italy (6) Department of Biosciences, COMSATS Institute of Information Technology, Islamabad, Pakistan Article History: Registration Date: 31/07/2013 Received Date: 22/01/2013 Accepted Date: 31/07/2013 Online Date: 13/09/2013
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