Phytosociology of a coastal peat forest of the Toto Beach, Municipality of Pelotas, RS, Brazil
DOI:
https://doi.org/10.4336/2015.pfb.35.82.648Keywords:
Trees Forest ecology, Swamp Forest, Coastal Plain, Laranjal beachAbstract
Floristic composition and structure of the tree component were analyzed in a coastal peat forest of the Toto Beach, located in the southern region of Lagoa dos Patos (31º43´39"S e 52º12´04"W). The phytosociological sampling was conducted on a sample area of 0.1 ha. All trees with DBH ≥ 4.8 cm were included. The species richness found was equivalent to 23 species distributed in 20 genera and 15 families. Two endangered species were sampled. The total tree density estimated for one hectare was equivalent to 3,480 trees. The most important species in the forest structure were Ocotea sp., Myrcia multiflora, Psidium cattleyanum, Ocotea pulchella, Myrsine lorentziana, Citharexyllum myrianthum, Ilex dumosa, Syagrus romanzoffiana, Guapira opposita and Sebastiania brasiliensis. The species diversity estimated by the Shannon index was 2,174 nats.ind.-1 and evenness (J) was 0.684. The forest structure, number of taxa and diversity are similar to other surveys carried out in swamp forests of southern and southeastern Brazil. These parameters must be considered in the environmental licensing and ecological restoration projects of this forest type.
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Copyright (c) 2015 Tiago Schuch Lemos Venzke, Gabriel Kaster Herter, Vilmar Luciano Mattei
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