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Effects of sublethal doses of glyphosate on honeybee navigation
(Company of Biologists, 2015-09)
Glyphosate (GLY) is a herbicide that is widely used in agriculture for weed control. Although reports about the impact of GLY in snails, crustaceans and amphibians exist, few studies have investigated its sublethal effects ...
Land atmosphere interactions in Tropical South America and Colombia at multiple timescales
(Universidad Nacional de ColombiaMedellín - Minas - Doctorado en Ingeniería - Recursos HidráulicosDepartamento de Geociencias y Medo AmbienteFacultad de MinasUniversidad Nacional de Colombia - Sede Medellín, 2020-09-15)
In this thesis, we have studied diverse land-atmosphere interactions (LAI) in Tropical South America (TropSA) and Colombia at several timescales. First, we evaluated the specific role of LAI during the 2009-2011 extreme ...
Descripción y análisis de forma basado en la invarianza a isometrías de los esqueletos topológicos
(Universidad Nacional de ColombiaMedellín - Minas - Doctorado en Ingeniería - SistemasDepartamento de la Computación y la DecisiónFacultad de MinasMedellínUniversidad Nacional de Colombia - Sede Medellín, 2019-06)
In this dissertation, we explore the problem of how to describe the shape of an object in 2D and 3D with a set of features that are invariant to isometric transformations. We focus to based our approach on the well-known ...
Modelo de riesgo de fuego para la ecorregión de los llanos colombo-venezolanos
(Bogotá - Ciencias - Maestría en Ciencias - BiologíaUniversidad Nacional de Colombia - Sede Bogotá, 2020-10-29)
While fire has been part of the natural history of ecosystems, those that go out of control often represent significant threats to public safety, infrastructure, biodiversity and forest resources (Martell, 2007), and are ...