title: Culiseta subochrea as a bioindicator of metal contamination in Shadegan International Wetland, Iran (Diptera: Culicidae).
abstract: The quantity of some trace metals of mosquito larvae in Shadegan International Wetland from Iran was evaluated. Water, waterbed sediment, and mosquito larvae samplings were carried out from an urban site in the east of the wetland, using standard methods in December 2011. The identified Culiseta subochrea (Edwards) and Aedes caspius s.l. (Pallas) larvae, water, and waterbed sediment samples were analyzed for As, Cd, Co, Cr, Cu, Fe, Hg, Mn, Pb, and Zn trace metals using standard preparation and isolation procedure. Result showed that the waterbed sediment and Cu. subochrea larvae are polluted with all trace metals investigated except As and Hg. The trace metals bioaccumulated in the Cu. subochrea larvae range from 31.78 at the lowest level for Cr to 3822.7 at the highest level for Cd. In a conclusion, this is the first report confirmed that Cu. subochrea likely used as a bioindicator to trace metal pollution in marine ecosystems in the world, especially wetlands.
authors.affiliation: Department of Medical Entomology and Vector Control, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran hanasirian@yahoo.com.
authors.forename: Hassan
authors.initials: H
authors.lastname: Nasirian
authors.affiliation: Health Research Institute, Infectious and Tropical Diseases Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran and Department of Medical Entomology, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
authors.forename: Babak
authors.initials: B
authors.lastname: Vazirianzadeh
authors.affiliation: Department of Medical Entomology and Vector Control, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran.
authors.forename: Sayyed Mohammad
authors.initials: SM
authors.lastname: Taghi Sadeghi
authors.affiliation: Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran.
authors.forename: Shahrokh
authors.initials: S
authors.lastname: Nazmara
mesh_terms: D000818:Animals; D001151:Arsenic / Q000032:analysis*; D009033:Culicidae / Q000737:chemistry* / Q000378:metabolism; D004784:Environmental Monitoring / Q000379:methods*; D019015:Geologic Sediments / Q000032:analysis*; D007492:Iran; D007814:Larva / Q000737:chemistry / Q000378:metabolism; D019216:Metals, Heavy / Q000032:analysis*; D014131:Trace Elements / Q000032:analysis; D014874:Water Pollutants, Chemical / Q000032:analysis*; D053833:Wetlands
chemical_list: D019216:Metals, Heavy; D014131:Trace Elements; D014874:Water Pollutants, Chemical; D001151:Arsenic
keywords: Culiseta subochrea; Shadegan International Wetland; bioindicator; metal