Diversity of subaerial algae and cyanobacteria on tree bark in tropical mountain habitats |
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Authors: | Jiří Neustupa Pavel Škaloud |
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Affiliation: | (1) Department of Botany, Faculty of Science, Charles University of Prague, Benátská 2, CZ-12801 Praha 2, Czech Republic |
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Abstract: | We report the species composition of subaerial epixylic algae and cyanobacteria from a South-East Asian mountain rainforest locality in Cibodas, West Java. Green algae (Trebouxiophyceae, Chlorophyceae, Trentepohliales) were dominant and Cyanobacteria were the second most frequent group. We specifically concentrated on the comparison of species composition of closed primary forest and open antropogenic spaces. Trentepohliales and Cyanobacteria dominated in open spaces with higher light intensities, whereas closed forest localities were dominated by trebouxiophycean coccal green algae. There was a significantly higher algal diversity in open spaces than in closed forest samples indicating the limiting effect of light on subaerial algal communities of closed tropical forests. A number of isolated strains and morphotypes probably represent undescribed taxa. Presented at the International Symposium Biology and Taxonomy of Green Algae V, Smolenice, June 26–29, 2007, Slovakia. |
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Keywords: | subaerial algae Trebouxiophyceae Chlorophyceae Trentepohliales Cyanobacteria diversity |
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