Relationship Between Rainfall and Aedes Larval Population at Two Insular Sites in Pulau Ketam, Selangor, Mayaysia
Two insular settlements (Kampung Pulau Ketam and Kampung Sungai Lima) were selected to study the population dynamics of Aedes aegypti and Aedes albopictus mosquitoes, vectors of dengue and chikungunya infections. Ovitrap surveillance was conducted between October 2007 and October 2008. There was an...
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| Veröffentlicht in: | Southeast Asian journal of tropical medicine and public health 2013-03, Vol.44 (2), p.157-166 |
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| container_title | Southeast Asian journal of tropical medicine and public health |
| container_volume | 44 |
| creator | Wee, L K Weng, S N Raduan, N Wah, S K Ming, W H Shi, CH Rambli, F Ahok, C J Marlina, S Ahmad, N W McKemy, A Vasan, S S Lim, L H |
| description | Two insular settlements (Kampung Pulau Ketam and Kampung Sungai Lima) were selected to study the population dynamics of Aedes aegypti and Aedes albopictus mosquitoes, vectors of dengue and chikungunya infections. Ovitrap surveillance was conducted between October 2007 and October 2008. There was an inverse negative association between ovitrap index and rainfall at the time of collection, probably because rainfall increased the number of available oviposi-tion sites. Rainfall and ovitrap index were positively associates the 25 super(th) day after rainfall occurred. A minor, second peak was observed from the 38 super(th) to the 42 super(nd) day. The first peak was consistent with the minimum 18-day period between the hatching of eggs to the first oviposition. The second minor peak could be due to the second gonotrophic cycle of the female mosquitoes. Rainfall is an important environmental factor associated with Aedes breeding at the study sites. |
| format | Article |
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Ovitrap surveillance was conducted between October 2007 and October 2008. There was an inverse negative association between ovitrap index and rainfall at the time of collection, probably because rainfall increased the number of available oviposi-tion sites. Rainfall and ovitrap index were positively associates the 25 super(th) day after rainfall occurred. A minor, second peak was observed from the 38 super(th) to the 42 super(nd) day. The first peak was consistent with the minimum 18-day period between the hatching of eggs to the first oviposition. The second minor peak could be due to the second gonotrophic cycle of the female mosquitoes. 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Ovitrap surveillance was conducted between October 2007 and October 2008. There was an inverse negative association between ovitrap index and rainfall at the time of collection, probably because rainfall increased the number of available oviposi-tion sites. Rainfall and ovitrap index were positively associates the 25 super(th) day after rainfall occurred. A minor, second peak was observed from the 38 super(th) to the 42 super(nd) day. The first peak was consistent with the minimum 18-day period between the hatching of eggs to the first oviposition. The second minor peak could be due to the second gonotrophic cycle of the female mosquitoes. Rainfall is an important environmental factor associated with Aedes breeding at the study sites.</abstract></addata></record> |
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| ispartof | Southeast Asian journal of tropical medicine and public health, 2013-03, Vol.44 (2), p.157-166 |
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| language | eng |
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| source | EZB Electronic Journals Library |
| subjects | Aedes aegypti Aedes albopictus |
| title | Relationship Between Rainfall and Aedes Larval Population at Two Insular Sites in Pulau Ketam, Selangor, Mayaysia |
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