Diversidad de líquenes y briófitos epífitos en diferentes tipos de bosques tropicales amazónicos del Área de Conservación los Tepuyes de la Cordillera del Cóndor- cantón Nangaritza

Abstract

The Amazon rainforest is very recognized worldwide for its type of vegetation complexity and great diversity of species, and is home to a great diversity of bryophytes and lichens. Bryophytes and lichens are sensitive to environmental changes due to the lack of the mechanisms that regulate the water content. The objective of our study is based on the analysis of richness, diversity, and composition of the species of lichens and bryophytes epiphytes of the "Tepuyes" Conservation Area. We selected an intervened forest and a non- intervened forest, where it was established 24 plots of 10 x 10 evaluating 5 trees per each plot, in total 120 phorophytes. To determine the richness and diversity of species we used the species richness, Simpson’s Diversity index and Shannon-Weaver, Additionally the richness on the basis of the factors was constructed using Generalized linear mixed models (GLMM). Species composition was analyzed using a non-metric multidimensional scaling NMDS and Permutational multivariate analysis of variance (PERMANOVA). Was registered 48 species of nonvascular epiphytes (31 species for forest non-intervened and 34 for intervened forest) divided into 31 bryophytes and 17 lichens, distributed in 22 families and 33 genders. The richness and diversity between the two types of forests don’t present significant differences, however the composition was influenced by the type of forest. Key words: Epiphytes; Nangaritza; Tepuyes; species; richness