A novel statistical framework for exploring the population dynamics and seasonality of mosquito populations

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  • Charles Whittaker
  • Peter Winskill
  • Marianne Sinka
  • Samuel Pironon
  • Claire Massey
  • Daniel J Weiss
  • Michele Nguyen
  • Peter W Gething
  • Ashwani Kumar
  • Azra Ghani
  • Bhatt, Samir

Understanding the temporal dynamics of mosquito populations underlying vector-borne disease transmission is key to optimizing control strategies. Many questions remain surrounding the drivers of these dynamics and how they vary between species-questions rarely answerable from individual entomological studies (that typically focus on a single location or species). We develop a novel statistical framework enabling identification and classification of time series with similar temporal properties, and use this framework to systematically explore variation in population dynamics and seasonality in anopheline mosquito time series catch data spanning seven species, 40 years and 117 locations across mainland India. Our analyses reveal pronounced variation in dynamics across locations and between species in the extent of seasonality and timing of seasonal peaks. However, we show that these diverse dynamics can be clustered into four 'dynamical archetypes', each characterized by distinct temporal properties and associated with a largely unique set of environmental factors. Our results highlight that a range of environmental factors including rainfall, temperature, proximity to static water bodies and patterns of land use (particularly urbanicity) shape the dynamics and seasonality of mosquito populations, and provide a generically applicable framework to better identify and understand patterns of seasonal variation in vectors relevant to public health.

Original languageEnglish
Article number20220089
JournalProceedings. Biological sciences
Issue number1972
Number of pages10
Publication statusPublished - 2022

    Research areas

  • Animals, Anopheles, Climate, Mosquito Control/methods, Mosquito Vectors, Population Dynamics, Seasons

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