ArticleParasites & vectors2019
Eutrophication governs predator-prey interactions and temperature effects in Aedes aegypti populations.
Article in Parasites & vectors, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers, 1 of them a synthesis that pooled it.
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Who cites it
7 citing papers in PubMed, 1 synthesis or guideline pooled it.
- A systematic review and meta-analysis of the effects of temperature on the development and survival of theFrontiers in public health · 2022Pooled it
- Clashing in Murky Waters: On Amphibian Mosquito Suppression.Ecology and evolution · 2026Article
- Article
- Defining the roles of local precipitation and anthropogenic water sources in driving the abundance of Aedes aegypti, an emerging disease vector in urban, arid landscapes.Scientific reports · 2024Article
- Context-specific variation in life history traits and behavior ofFrontiers in insect science · 2024Review
- Human practices promote presence and abundance of disease-transmitting mosquito species.Scientific reports · 2020Article
- Poly (butylene succinate) and derivative copolymer filled with Dendranthema grandiflora biolarvicide extract.Environmental science and pollution research international · 2020Article
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Authors and funding
6 authors.
Funding
Abstract
backgroundMosquito population dynamics are driven by large-scale (e.g. climatological) and small-scale (e.g. ecological) factors. While these factors are known to independently influence mosquito populations, it remains uncertain how drivers that simultaneously operate under natural conditions interact to influence mosquito populations. We, therefore, developed a well-controlled outdoor experiment to assess the interactive effects of two ecological drivers, predation and nutrient availability, on mosquito life history traits under multiple temperature regimes.
methodsWe conducted a temperature-controlled mesocosm experiment in Kruger National Park, South Africa, with the yellow fever mosquito, Aedes aegypti. We investigated how larval survival, emergence and development rates were impacted by the presence of a locally-common invertebrate predator (backswimmers Anisops varia Fieber (Notonectidae: Hemiptera), nutrient availability (oligotrophic vs eutrophic, reflecting field conditions), water temperature, and interactions between each driver.
resultsWe observed that the effects of predation and temperature both depended on eutrophication. Predation caused lower adult emergence in oligotrophic conditions but higher emergence under eutrophic conditions. Higher temperatures caused faster larval development rates in eutrophic but not oligotrophic conditions.
conclusionsOur study shows that ecological bottom-up and top-down drivers strongly and interactively govern mosquito life history traits for Ae. aegypti populations. Specifically, we show that eutrophication can inversely affect predator-prey interactions and mediate the effect of temperature on mosquito survival and development rates. Hence, our results suggest that nutrient pollution can overrule biological constraints on natural mosquito populations and highlights the importance of studying multiple factors.
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