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Title: Potential Effects of Climate Change on Ecological Interaction Outcomes between Two Disease-Vector Mosquitoes: A Mesocosm Experimental Study
Authors: Leonel, B. F.
Koroiva, Ricardo
Hamada, N.
Ferreira-Keppler, Ruth Leila
Roque, Fabio O.
Keywords: Aedes
Climate Change
Disease Carrier
Growth, Development And Aging
Species Difference
Climate Change
Insect Vectors
Species Specificity
Issue Date: 2015
metadata.dc.publisher.journal: Journal of Medical Entomology
metadata.dc.relation.ispartof: Volume 52, Número 5, Pags. 866-872
Abstract: The objective of this study was to experimentally assess the effects of different climate change scenarios on the outcomes of interactions between Aedes aegypti (L.) and Culex quinquefasciatus (Say) (Diptera: Culicidae) larvae. The experimental design maintained a constant density of specimens while the proportion of the species in different experimental climate change scenarios varied. Our results indicate that survival of the two species was not affected, but larval development and pupation times decreased under elevated atmospheric CO2 concentration and high air temperature. In climate change scenarios with both species together, the survival of Ae. aegypti increased and its larval development time decreased with increasing density of Cx. quinquefasciatus. This may be attributed to the effects of intraspecific competition being more significant than interspecific competition in Ae. aegypti. Our study also reveals that climatic changes may affect the patterns of interactions between Cx. quinquefasciatus and Ae. aegypti. Alterations in climatic conditions changed the response of context-dependent competition, indicating the importance of studies on how ecological interactions will be affected by projected future climatic change. © The Authors 2015.
metadata.dc.identifier.doi: 10.1093/jme/tjv068
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