It is not, as noted in the "Atlas of Venezuela: A Spatial Image" ("Atlas de Venezuela: Una imagen espacial", also known as "El Atlas de Petróleos de Venezuela"), an ecosystem of "paleodunas", literally 'old dunes,' formed in an environment with a much drier climate than the current one, but a mechanism of dune formation that acts only in the dry season since the lowering of the water level of the Orinoco at the rivers' lowest point, especially that of those that originate in the llanos, extensive beaches of fine sand are left behind, that the trade winds very quickly will transfer to the southeast, forming what now constitutes el Parque Nacional Santos Luzardo (the Santos Luzardo National Park), which takes its name from one of the main characters in the novel "Doña Bárbara" by Rómulo Gallegos.