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Patterns and processes in a seasonally flooded tropical plain: the Apure Llanos, Venezuela by Guillermo Sarmiento; Marcela Pinillos is a Environmental Science article available to read on EtoBox.

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## Aim The factors and processes determining the ecology and distribution of ecosystems in the Apure lowlands, Venezuela, are critically discussed. ## Location The Middle Apure region, an alluvial Quaternary plain built by the Arauca and Apure rivers, occupies a subsidence area caused by faulting of the geological basement during the last and most active phases of the Andean uplift. ## Methods To assess the determinants of the hydrological and ecological variability in this region, we used remote imagery and field surveys. ## Results The hydrological and ecological variability responds to a set of interconnected processes of different nature: geological, climatic and paleoclimatic and hydrographic, which together have conditioned the geomorphological history of the regional landscape. This evolution, in turn, has guided the soil forming processes and the functional behaviour of the different types of savanna, forest and wetland ecosystems. The continuously subsiding trend of the Llanos that accompanied the Andean Orogeny, together with the Quaternary climatic oscillations, settled the framework in which successive depositional and erosional events took place. Five Quaternary deposi

Who reads Patterns and processes in a seasonally flooded tropical plain: the Apure Llanos, Venezuela?

Author

Guillermo Sarmiento; Marcela Pinillos

Publisher

John Wiley and Sons; Wiley (Blackwell Publishing); Blackwell Publishing Inc.; Wiley; JSTOR (ISSN 0305-0270)

Published

2002

Language

EN

Field

Environmental Science (Physical Sciences)