Technical Workflow Development for Integrating Drone Surveys and Entomological Sampling to Characterise Aquatic Larval Habitats of Anopheles funestus in Agricultural Landscapes in Côte d’Ivoire
Land-use practices such as agriculture can impact mosquito vector breeding ecology, resulting in changes in disease transmission. The typical breeding habitats of Africa’s second most important malaria vector Anopheles funestus are large, semipermanent water bodies, which make them potential candida...
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Hindawi Limited
2021
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oai:doaj.org-article:86b8e1c077d94da0b105384b9652ab062021-11-15T01:19:38ZTechnical Workflow Development for Integrating Drone Surveys and Entomological Sampling to Characterise Aquatic Larval Habitats of Anopheles funestus in Agricultural Landscapes in Côte d’Ivoire1687-981310.1155/2021/3220244https://doaj.org/article/86b8e1c077d94da0b105384b9652ab062021-01-01T00:00:00Zhttp://dx.doi.org/10.1155/2021/3220244https://doaj.org/toc/1687-9813Land-use practices such as agriculture can impact mosquito vector breeding ecology, resulting in changes in disease transmission. The typical breeding habitats of Africa’s second most important malaria vector Anopheles funestus are large, semipermanent water bodies, which make them potential candidates for targeted larval source management. This is a technical workflow for the integration of drone surveys and mosquito larval sampling, designed for a case study aiming to characterise An. funestus breeding sites near two villages in an agricultural setting in Côte d’Ivoire. Using satellite remote sensing data, we developed an environmentally and spatially representative sampling frame and conducted paired mosquito larvae and drone mapping surveys from June to August 2021. To categorise the drone imagery, we also developed a land cover classification scheme with classes relative to An. funestus breeding ecology. We sampled 189 potential breeding habitats, of which 119 (63%) were positive for the Anopheles genus and nine (4.8%) were positive for An. funestus. We mapped 30.42 km2 of the region of interest including all water bodies which were sampled for larvae. These data can be used to inform targeted vector control efforts, although its generalisability over a large region is limited by the fine-scale nature of this study area. This paper develops protocols for integrating drone surveys and statistically rigorous entomological sampling, which can be adjusted to collect data on vector breeding habitats in other ecological contexts. Further research using data collected in this study can enable the development of deep-learning algorithms for identifying An. funestus breeding habitats across rural agricultural landscapes in Côte d’Ivoire and the analysis of risk factors for these sites.Isabel ByrneKallista ChanEdgar ManriqueJo LinesRosine Z. WolieFedra TrujillanoGabriel Jimenez GarayMiguel Nunez Del Prado CortezHugo Alatrista-SalasEleanore SternbergJackie CookRaphael N’GuessanAlphonsine KoffiLudovic P Ahoua AlouNombre ApollinaireLouisa A. MessengerMojca KristanGabriel Carrasco-EscobarKimberly FornaceHindawi LimitedarticlePublic aspects of medicineRA1-1270ENJournal of Environmental and Public Health, Vol 2021 (2021) |
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DOAJ |
| collection |
DOAJ |
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EN |
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Public aspects of medicine RA1-1270 |
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Public aspects of medicine RA1-1270 Isabel Byrne Kallista Chan Edgar Manrique Jo Lines Rosine Z. Wolie Fedra Trujillano Gabriel Jimenez Garay Miguel Nunez Del Prado Cortez Hugo Alatrista-Salas Eleanore Sternberg Jackie Cook Raphael N’Guessan Alphonsine Koffi Ludovic P Ahoua Alou Nombre Apollinaire Louisa A. Messenger Mojca Kristan Gabriel Carrasco-Escobar Kimberly Fornace Technical Workflow Development for Integrating Drone Surveys and Entomological Sampling to Characterise Aquatic Larval Habitats of Anopheles funestus in Agricultural Landscapes in Côte d’Ivoire |
| description |
Land-use practices such as agriculture can impact mosquito vector breeding ecology, resulting in changes in disease transmission. The typical breeding habitats of Africa’s second most important malaria vector Anopheles funestus are large, semipermanent water bodies, which make them potential candidates for targeted larval source management. This is a technical workflow for the integration of drone surveys and mosquito larval sampling, designed for a case study aiming to characterise An. funestus breeding sites near two villages in an agricultural setting in Côte d’Ivoire. Using satellite remote sensing data, we developed an environmentally and spatially representative sampling frame and conducted paired mosquito larvae and drone mapping surveys from June to August 2021. To categorise the drone imagery, we also developed a land cover classification scheme with classes relative to An. funestus breeding ecology. We sampled 189 potential breeding habitats, of which 119 (63%) were positive for the Anopheles genus and nine (4.8%) were positive for An. funestus. We mapped 30.42 km2 of the region of interest including all water bodies which were sampled for larvae. These data can be used to inform targeted vector control efforts, although its generalisability over a large region is limited by the fine-scale nature of this study area. This paper develops protocols for integrating drone surveys and statistically rigorous entomological sampling, which can be adjusted to collect data on vector breeding habitats in other ecological contexts. Further research using data collected in this study can enable the development of deep-learning algorithms for identifying An. funestus breeding habitats across rural agricultural landscapes in Côte d’Ivoire and the analysis of risk factors for these sites. |
| format |
article |
| author |
Isabel Byrne Kallista Chan Edgar Manrique Jo Lines Rosine Z. Wolie Fedra Trujillano Gabriel Jimenez Garay Miguel Nunez Del Prado Cortez Hugo Alatrista-Salas Eleanore Sternberg Jackie Cook Raphael N’Guessan Alphonsine Koffi Ludovic P Ahoua Alou Nombre Apollinaire Louisa A. Messenger Mojca Kristan Gabriel Carrasco-Escobar Kimberly Fornace |
| author_facet |
Isabel Byrne Kallista Chan Edgar Manrique Jo Lines Rosine Z. Wolie Fedra Trujillano Gabriel Jimenez Garay Miguel Nunez Del Prado Cortez Hugo Alatrista-Salas Eleanore Sternberg Jackie Cook Raphael N’Guessan Alphonsine Koffi Ludovic P Ahoua Alou Nombre Apollinaire Louisa A. Messenger Mojca Kristan Gabriel Carrasco-Escobar Kimberly Fornace |
| author_sort |
Isabel Byrne |
| title |
Technical Workflow Development for Integrating Drone Surveys and Entomological Sampling to Characterise Aquatic Larval Habitats of Anopheles funestus in Agricultural Landscapes in Côte d’Ivoire |
| title_short |
Technical Workflow Development for Integrating Drone Surveys and Entomological Sampling to Characterise Aquatic Larval Habitats of Anopheles funestus in Agricultural Landscapes in Côte d’Ivoire |
| title_full |
Technical Workflow Development for Integrating Drone Surveys and Entomological Sampling to Characterise Aquatic Larval Habitats of Anopheles funestus in Agricultural Landscapes in Côte d’Ivoire |
| title_fullStr |
Technical Workflow Development for Integrating Drone Surveys and Entomological Sampling to Characterise Aquatic Larval Habitats of Anopheles funestus in Agricultural Landscapes in Côte d’Ivoire |
| title_full_unstemmed |
Technical Workflow Development for Integrating Drone Surveys and Entomological Sampling to Characterise Aquatic Larval Habitats of Anopheles funestus in Agricultural Landscapes in Côte d’Ivoire |
| title_sort |
technical workflow development for integrating drone surveys and entomological sampling to characterise aquatic larval habitats of anopheles funestus in agricultural landscapes in côte d’ivoire |
| publisher |
Hindawi Limited |
| publishDate |
2021 |
| url |
https://doaj.org/article/86b8e1c077d94da0b105384b9652ab06 |
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