BRIÓFITOS DE TRONCOS EN DESCOMPOSICIÓN DE LA ESTACIÓN BIOLÓGICA EL ZAFIRE, AMAZONAS-COLOMBIA
2021
The present study aims to characterize the bryophyte community on rotten logs in the Zafire biological station, Amazonas-Colombia. We sampled 100 plots on 20 trunks with different states of decomposition in two types of forest (terra firme and floodplain). 120 species are reported, 81 liverworts and 39 mosses, belonging to 55 genera (33 liverworts and 22 mosses) and 21 families (nine liverworts and 12 mosses). Four new species are registered for Colombia, 25 for the Colombia Amazon, and 41 for the department of Amazonas. In terms of richness, the floodplain presented a higher value than the terra firme forest. However, no significant difference was found between the two types of forests (Kruskal Wallis X2c = 0.199, X2t = 3.81). Diversity was higher in the floodplain (Shanon = 3.93) compared to the terra firme forest (Shanon = 3.67). The composition of the bryophyte communities shows differences between the two types of forests (similarity equal to 40 %). In the floristic study of the two types of forests of the biological station, the most common family was Lejeuneaceae, representing 55.5 % of the liverworts sampled and 37.5 % of the total of the bryophyte species.
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