• Profesor de Ecología
  • Colegio de Ciencias Biológicas y Ambientales, COCIBA
  • 297-1700 ext 2217
  • grivast@usfq.edu.ec


  • Doctor of Philosophy, University of Florida
  • Master of Science-Biology, University of Missouri-Saint Louis
  • Licenciado en Biologia, Pontificia Universidad Catolica


Courtesy Professor, University of Florida
( 2016 - Hasta el presente )
Posicion sin sueldo, en la Universidad de Florida, que me permite servir en comités de disertación en esa Universidad, así como participar en la escritura de poyectos para la National Science Foundation.


Land Cover Classification of Complex Agroecosystems in the Non-Protected Highlands of the Galapagos Islands
Spatio-temporal Assessments of Greenhouse Gas Production and Flux in Headwater Tropical Streams
Hydrologic – Biogeochemical Connections Across the Terrestrial – Aquatic Interface in Tropical Andean Watersheds
Scaling issues of neutral theory reveal violations of ecological equivalence for dominant Amazonian tree species
Hunting and cooperative foraging behavior of Galapagos sea lion: An attack to large pelagics
Rarity of monodominance in hyperdiverse Amazonian forests
Trees of Amazonian Ecuador: a taxonomically verified species list with data on abundance and distribution
Dry forests of the Galápagos: a comparative assessment of a World Heritage Site
A methodology for mapping native and invasive vegetation coverage in archipelagos: An example from the Galapagos Islands
A conceptual framework for the management of a highly-valued invasive tree in the Galápagos Islands
Allelopathic Impacts of the Invasive Tree Cedrela odorata L. (Meliaceae, Sapindales = Magnoliidae) in the Galapagos Flora
Species Distribution Modelling: Contrasting presence-only models with plot abundance data.
Globally consistent impact of tropical cyclones on the structure of tropical and subtropical forests
Darwinian Emergence, Conservation, and Restoration. Novel Ecosystems and Hybrid Environments
Persistent effects of pre-Columbian plant domestication on Amazonian forest composition
Estimating and interpreting migration of Amazonian forests using spatially implicit and semi-explicit neutral models
Plant community composition and structural characteristics of an invaded forest in the Galápagos
World Scientists’ Warning to Humanity: A Second Notice
Chapter 9 Darwinian Emergence, Conservation, and Restoration. Novel Ecosystems and Hybrid Environments
Encuesta Nacional de Salud y Nutrición. Tomo II Salud Sexual y Reproductiva. ENSANUT-ECU 2014
Hyperdominance in the Amazonian Tree Flora.


Filosofía con mención en Conservación y Manejo de Ecología Silvestre, Ecología de Plantas, Plantas Invasivas. MSc en Ecology, Evolution and Sytematics, Licenciatura en Biología de la PUCE y Experiencia en manejo en Drones y Sensores Remotos