Lidar reveals activity anomaly of malaria vectors during pan-African eclipse
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Lidar reveals activity anomaly of malaria vectors during pan-African eclipse. / Brydegaard, Mikkel; Jansson, Samuel; Malmqvist, Elin; Mlacha, Yeromin P.; Gebru, Alem; Okumu, Fredros; Killeen, Gerry F.; Kirkeby, Carsten.
I: Science Advances, Bind 6, Nr. 20, eaay5487, 2020.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
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TY - JOUR
T1 - Lidar reveals activity anomaly of malaria vectors during pan-African eclipse
AU - Brydegaard, Mikkel
AU - Jansson, Samuel
AU - Malmqvist, Elin
AU - Mlacha, Yeromin P.
AU - Gebru, Alem
AU - Okumu, Fredros
AU - Killeen, Gerry F.
AU - Kirkeby, Carsten
PY - 2020
Y1 - 2020
N2 - Yearly, a quarter billion people are infected and a half a million killed by the mosquito-borne disease malaria. Lack of real-time observational tools for continuously assessing the unperturbed mosquito flight activity in situ limits progress toward improved vector control. We deployed a high-resolution entomological lidar to monitor a half-kilometer static transect adjacent to a Tanzanian village. We evaluated one-third million insect observations during five nights, four days, and one annular solar eclipse. We demonstrate in situ lidar classification of several insect families and their sexes based on their modulation signatures. We were able to compare the fine-scale spatiotemporal activity patterns of malaria vectors during ordinary days and an eclipse to disentangle phototactic activity patterns from the circadian mechanism. We observed an increased insect activity during the eclipse attributable to mosquitoes. These unprecedented findings demonstrate how lidar-based monitoring of distinct mosquito activities could advance our understanding of vector ecology.
AB - Yearly, a quarter billion people are infected and a half a million killed by the mosquito-borne disease malaria. Lack of real-time observational tools for continuously assessing the unperturbed mosquito flight activity in situ limits progress toward improved vector control. We deployed a high-resolution entomological lidar to monitor a half-kilometer static transect adjacent to a Tanzanian village. We evaluated one-third million insect observations during five nights, four days, and one annular solar eclipse. We demonstrate in situ lidar classification of several insect families and their sexes based on their modulation signatures. We were able to compare the fine-scale spatiotemporal activity patterns of malaria vectors during ordinary days and an eclipse to disentangle phototactic activity patterns from the circadian mechanism. We observed an increased insect activity during the eclipse attributable to mosquitoes. These unprecedented findings demonstrate how lidar-based monitoring of distinct mosquito activities could advance our understanding of vector ecology.
U2 - 10.1126/sciadv.aay5487
DO - 10.1126/sciadv.aay5487
M3 - Journal article
C2 - 32426490
AN - SCOPUS:85084787771
VL - 6
JO - Science advances
JF - Science advances
SN - 2375-2548
IS - 20
M1 - eaay5487
ER -
ID: 243026321