Repository of Research and Investigative Information

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Hormozgan University of Medical Sciences

Characterization of larval habitats for anopheline mosquitoes in a malarious area under elimination program in the southeast of Iran

(2014) Characterization of larval habitats for anopheline mosquitoes in a malarious area under elimination program in the southeast of Iran. Asian Pac J Trop Biomed ):.

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Abstract

Objective: To determine the effects of environmental characteristics of larval habitats on distribution and abundance of anopheline mosquitoes in Bashagard county, a malarious area in southeast of Iran. Methods: Larvae were collected monthly using the standard dipping method and identified using a morphological-based key. Environmental characteristics of the larval habitats were recorded. Water samples were taken from habitats during larval collection for physico-chemical characterization. Statistical analyses were performed. Results: In total 5 150 anopheline larvae from 36 larval habitats were collected and identified. They comprised of six species: Anopheles culicifacies (29.36%), Anopheles moghulensis (25.20%), Anopheles dthali (18.02%), Anopheles superpictus (17.24%), Anopheles turkhudi (5.17%) and Anopheles stephensi (5.01%). The most common larval habitats were natural and clear water bodies such as riverbeds with sandy substrates and still water. Furthermore, the anopheline larvae were abundant in permanent and full sunlight habitats without vegetation and algae. Larval density was positively correlated with water temperature. Chemical characteristics including conductivity, total alkalinity, sulphate and chloride had significant effects on distribution and abundance of anopheline species. Conclusions: The result of this study indicates a correlation between some environmental characteristics and anopheline larvae abundance which can be considered for effective planning and implementing malaria elimination program in Iran.

Item Type: Article
Keywords: Anopheles, Larval habitats, Malaria, Bashagard, Iran
Subjects: WA Public Health > WA 670-847 Environmental Pollution. Sanitation
Divisions: Education Vice-Chancellor Department > Faculty of Health > Department of Health Education and Health Promotion
Depositing User: مركز تحقيقات عوامل اجتماعی درارتقا سلامت خليج فارس
URI: http://eprints.hums.ac.ir/id/eprint/3894

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