Floristic composition of three successional stages of a riparian forest in the municipality of Arroio do Padre, very south of Brazil
DOI:
https://doi.org/10.5380/rf.v43i2.27667Keywords:
Pelotas, Floresta Estacional Semidecidual, sucessão florestal, ecologia florestal.Abstract
Abstract
This research aims to characterize composition and floristic relations of three successional stages of a Riparian Semi-deciduous Seasonal Forest, in the municipality of Arroio do Padre, South of Brazil. The sample area was divided into 0.2 ha for ‘capoeira’ (five years of regeneration), 0.5 ha for secondary forest (45 years for regeneration), and 0.5 ha for mature forest (primary forest). Richness in the three succession stages included 72 species distributed into 52 genera and 33 families. ‘Capoeira’ presented lower quantity of taxa, whereas in the mature forest occurred greater number of species (49) and exclusive species (20). The floristic composition was influenced by successional stage and classification of plots by the similarity analysis clusters formed as the regeneration time. Differences in floristic composition reflect community adaptation to the conditions provided along succession. These variations reveal that the age of the succession reflects in forest floristic, and strategies for forest restoration should consider species adapted to successional stages in order to maximize native forests reforestation projects.
Keywords: Municipality of Pelotas; Semi-deciduous Seasonal Forest; forest ecology.
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