We analyzed Aedes aegypti larval survivorship and adult emergence pattern with a factorial design combining predation risk (control and predator presence-Toxorhynchites haemorrhoidalis larvae) and SCCS. Light, Intermediate and Extreme SCCS reproduced, respectively, the B1, A1B, and A2 climatic scenarios predicted by IPCC (2007). Used SCCS were: Control (real-time current conditions in Manaus: average temperature is ~25.76☌ ± 0.71☌ and ~477.26 ± 9.38 parts per million by volume (ppmv) CO2) Light: increase of ~1, 7☌ and ~218 ppmv CO2 Intermediate: increase of ~2.4☌ and ~446 ppmv CO2 and Extreme: increase of ~4.5☌ and ~861 ppmv CO2, all increases were relative to a Control SCCS. Simulated climate change scenarios (SCCS) were in accordance with the Fourth Assessment Report of Intergovernmental Panel on Climate Change (IPCC). In this study, we performed a microcosm experiment simulating temperature and CO2 changes in Manaus, Amazonas, Brazil, for the year 2100. While effects of warming on Aedes aegypti adults are well known, clarity the interactive effects of climate change (temperature and CO2 concentration) and predation risk on the larval stage remains unexplored. Simulated climate change, but not predation risk, accelerates Aedes aegypti emergence in a microcosm experiment in western AmazoniaĬlimate change affects individual life-history characteristics and species interactions, including predator-prey interactions. Please use this identifier to cite or link to this item:
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December 2022
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