The effects of simulated rainfall on immature population dynamics of Aedes albopictus and female oviposition

Dieng, H. and Rahman, G.M.S. and Abu Hassan, A. and Che Salmah, M.R. and Satho, T. and Miake, F. and Boots, M. and AbuBakar, Sazaly (2012) The effects of simulated rainfall on immature population dynamics of Aedes albopictus and female oviposition. International Journal of Biometeorology, 56 (1). pp. 113-120. ISSN 0020-7128, DOI https://doi.org/10.1007/s00484-011-0402-0.

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Abstract

Larvae of Aedes albopictus Skuse typically inhabit natural and artificial containers. Since these larval habitats are replenished by rainfall, Ae. albopictus may experience increased loss of immature stages in areas with high levels of rainfall. In this study, we investigated the effects of rainfall and container water level on population density, and oviposition activity of Ae. albopictus. In field and laboratory experiments, we found that rainfall resulted in the flushing of breeding habitats. Excess rain negatively impacted larval and pupal retention, especially in small habitats. When filled with water to overflowing, container habitats were significantly repellent to ovipositing females. Taken together, these data suggest that rainfall triggers population loss of Ae. albopictus and related species through a direct detrimental effect (flushing out) and an indirect effect (ovipositional repellency).

Item Type: Article
Funders: UNSPECIFIED
Additional Information: A. Sazaly Department of Medical Microbiology, University of Malaya, Kuala Lumpur, Malaysia
Uncontrolled Keywords: Aedes albopictus; Container; Rainfall; Population loss; Repellency
Subjects: R Medicine
Divisions: Faculty of Medicine
Depositing User: Miss Malisa Diana
Date Deposited: 08 Nov 2012 01:33
Last Modified: 13 Feb 2019 08:18
URI: http://eprints.um.edu.my/id/eprint/3901

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