Tropical Rainforest is one of the most complex ecosystem, high Biodiversity, and logically an impressive world to study competition between species and the strategy of each of the thousands species to survive. The book of Javier Ruiz is a pioneer work for Nicaragua, an excellent contribution to the understanding of the Central American rainforests and a valuable reflection on theories in base of experiments. Dr. Jean-Michel Maes Museo Entomológico de León, Nicaragua "There is a worldwide collective effort to understand the biodiversity of tropical rainforests. This book highlights the key role of dispersal in the survivorship of every individual of any species in a species- rich environment. It provides a valuable introduction to the mechanisms that dictate the existence of diverse habitats." Dr. Sandra Yap Department of Ecology and Evolutionary Biology The University of Michigan