PERSONAL DE APOYO
ALONSO Ana Carolina
Aedes aegypti and Aedes albopictus distribution models at two different scales in Misiones northeast Argentina
MIA ELISA MARTIN; MARINA STEIN; FLORENCIA SARGERMANO; JANINNA FARAONE; ELIZABET LILIA ESTALLO; ANA CAROLINA ALONSO
ELSEVIER SCIENCE BV
Lugar: Amsterdam; Año: 2022
Mosquitoes are vectors of many pathogens, including the dengue virus, one of the world´s most widespread arbovirus vector-borne diseases. In Argentina, two species of Aedes mosquitoes are of sanitary importance: Ae. aegypti and Ae. albopictus. Species distribution models (SDM) are widely accepted to produce spatial representations of the potential distribution of vectors from regional to global scales, as well as the associated risk of exposure to humans. These models identify the relationships between known species occurrences and environmental data to identify areas with suitable habitats for those species and the consequent risk of disease transmission. Our objectives were to determine the habitat suitability of Ae. aegypti and Ae. albopictus at two different scales in Misiones northeastern Argentina using SDM. This study was carried out at two different geographical scales: regional scale (Misiones province) and local scale (Eldorado city). In order to evaluate the contribution of environmental, socioeconomic, and demographic variables related to the distribution of mosquito species, the machine learning algorithm of Maximum Entropy was used. The regional scale models presented an average Area Under the Curve (AUC) of >0.816, but despite presenting good precision, we cannot conclude that the models represent the distributional range of mosquitoes well due to the low sample size that is not capturing the high environmental variability within the region. The local scale models presented an average AUC of >0.887, where the variables distance to urban areas and Land Surface Temperature values were the most important contributors to the habitat suitability for both species. SDM generated in this work constitutes a support tool for the choice of management measures in vector control, and for selecting areas for implementation of said measures.