publication . Article . 1990

On the occurrence of bryophytes and macrolichens in different lowland rain forest types at Mabura Hill, Guyana

Cornelissen, J. Hans C.; Gradstein, Stephan Robbert;
Open Access
  • Published: 31 Dec 1990 Journal: Bryophyte Diversity and Evolution, volume 3, pages 29-35 (issn: 2381-9677, eissn: 2381-9685, Copyright policy)
  • Publisher: Magnolia Press
  • Country: Germany
Abstract
<jats:p>A floristic and ecological study of bryophytes and macrolichens in different lowland rain forest types around Mabura Hill, Guyana, South America, yielded 170 species: 52 mosses, 82 liverworts and 36 macrolichens. Lejeuneaceae account for about 30% of the species and are the dominant cryptogamic family of the lowland rain forest. Special attention was paid to the flora of the forest canopy, by using mountaineering techniques. It appeared that 50% of the bryophyte species and 86% of the macrolichens occurred exclusively in the canopy. Dry evergreen ‘walaba’ forest on white sand is particularly rich in lichens whereas the more humid ‘mixed’ forest on loamy ...
Subjects
free text keywords: Bryophyte, Tree canopy, Evergreen, Geography, Evergreen forest, Lichen, Canopy, Old-growth forest, geography.geographical_feature_category, Ecology, Rainforest, ddc:580
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