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Assessing the possible impact of palm tree plantations and climate change in Chagas disease transmission in the Casanare region

The dynamics of vector-borne diseases has often been linked to environmental variables. Indeed, vectors and reservoirs strongly depend on their food supply and therefore they distribute accordingly. Chagas disease is not an exception; it is caused by Trypanosoma cruzi and its ecological relations involve insect vectors, mammal reservoirs, domestic species and humans, all with their own environmental restrictions. Chagas disease transmission persists in the Casanare region in Colombia, where traditionally the ample distribution of palm trees (Attalea butyracea) has supported a sylvatic cycle. Recent changes in land use, and in particular the now popular African palm trees plantations (Elaeis guineensis) have suggested a possible perturbation to the transmission cycle of T. cruzi. This observation is supported by recent reports that suggest colonization of the plantations by insects of the species Rhodnius prolixus, the main vector of Chagas disease in the region. The transmission cycle of the parasite is known to be complex but no body, to the extent of our knowledge, have characterized the cycle in terms of the type of species involved, their abundance and their relative importance in the risk of human infection. In addition, the possible change in the transmission cycle due to the palm trees monocrops have been suggested but have not been quantified. Thus we propose a project in which we will characterize the transmission cycle in disturbed and undisturbed areas in the region using a battery of ecological tools (field work, molecular analysis, mathematical modeling, GIS modeling-including climate change forecast) to quantify the change in the transmission cycle associated to palm trees monocrops.

Certificado en PDF
Número del certificado16E3C809326
Fecha del certificado2019-11-05
Certificado en PDFdescargar (56 KB)
Contacto del recurso
NombreJuan Manuel Cordovez
PosiciónProfesor asociado
OrganizaciónUniversidad de los Andes
Dirección Cra. 1 #18a-12, Bogotá, Cundinamarca, COLOMBIA, Código postal: 111711
Contactojucrdov@uniandes.edu.co Tel: 3394949
Página Webhttp://www.uniandes.edu.co
Contacto del permiso
NombreYiselle Cano
PosiciónAnalista laboratorio
OrganizaciónUniversidad de los Andes
Dirección Cra. 1 #18a-12, Bogotá, Cundinamarca, COLOMBIA, Código postal: 111711
Contactoyp.cano137@uniandes.edu.co Tel: 3394949
Página Webhttp://www.uniandes.edu.co
Proveedor de los metadatos
NombreJuan Manuel Cordovez
PosiciónProfesor asociado
OrganizaciónUniversidad de los Andes
Dirección Cra. 1 #18a-12, Bogotá, Cundinamarca, COLOMBIA, Código postal: 111711
Contactojucrdov@uniandes.edu.co Tel: 3394949
Página Webhttp://www.uniandes.edu.co
Información del Permiso
Autoridad ambientalAutoridad Nacional de Licencias Ambientales
Número del permisoIDB0359
Titular del permisoUniversidad de los Andes
Nit o cédula860.007.386-1
Fecha de emisión2014-10-09
Cobertura Geográfica
DescripciónColombia CO Casanare Yopal Picon Colombia CO Casanare Yopal Picon
Coordenadas5.164, 5.164 / -72.222, -72.222 (Latitud mínima, máxima / Longitud mínima/máxima)
Cobertura Taxonómica
Descripción Animalia Arthropoda Insecta Hemiptera Reduviidae Rhonius Animalia Chordata Mammalia Quiroptera
Orden Quiroptera
Especie Rhodnius prolixus
Cobertura Temporal
Fecha inicial / Fecha final2019-03-21 / 2019-03-25
Métodos de Muestreo
Descripción del muestreoCaptura de triatominos en palmas por medio de trampa gallina (Angulo et al., 2012). Captura para obtención de muestra de sangre de pequeños mamíferos no voladores (roedores y marsupiales) y de murciélagos
Palabras Clave
Chagas disease Transmision Casanare Colombia Climate change Palm tree; Specimen