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Title: Ecology and biogeography of an Atlantic montane forest in southeastern Brazil
Author: Bohrer, Claudio Belmonte de Athayde
Awarding Body: University of Edinburgh
Current Institution: University of Edinburgh
Date of Award: 1999
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The Brazilian Atlantic forest is considered an area of highest priority for conservation. This present study concentrates on the Macae de Cima Reserve of Nova Friburgo, state of Rio de Janeiro. The research aim is to characterise the variations in the structure and floristic composition of the forest and to investigate their relationships with the physical environment at local and regional scales. The local analysis is based on vegetation and soil data collected in ten 20x20 m (400m2) plots established at different sites within the Reserve. An analysis at a regional level was also carried out, comparing floristic and environmental data from 51 areas within the Atlantic forest domain. Both analyses are based on multivariate techniques. Aerial photographs, Landsat TM satellite imagery and other spatial data are analysed through digital image process and geographical information system software. The Reserve is covered mainly by dense primary and old growth secondary tropical forest. Montane forest is the dominant vegetation type, covering slopes up to 1500m altitude. The high montane forest occurs on top-slopes, restricted mountain ridge areas. Secondary forests occur mainly on medium and lower slopes. The forest as a whole has an average density of 1108 trees/ha, and an average basal area of 43 m2/ha. The average total height is 14m, and the average wood volume reaches 171.3 m3/ha. A total of 445 trees were measured in the sampling plots, representing a total of 164 species. Myrtaceae has the greatest number of species, followed by Lauraceae, Leguminosae, Melastomataceae, Monimiaceae, Rubiaceae, Clusiaceae, Moraceae and Sapindaceae.
Supervisor: Not available Sponsor: Not available
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral
EThOS ID:  DOI: Not available