LEVANTAMENTO FLORÍSTICO E ESTRUTURA FITOSSOCIOLÓGICA DO ESTRATO HERBÁCEO E SUBARBUSTIVO EM ÁREAS DE CAATINGA NO CARIRI PARAIBANO
2009
Maria Verônica Meira de Andrade | Albericio Pereira de Andrade | Divan Soares da Silva | Riselane Lucena de Alcântara Bruno | Daniely Sales Guedes
This research had as objective determination the floristic composition and some parameters phytosociological of the herbaceous vegetation of caatinga. The studied area is located in the located in the experiment station of UFPB, in the county of São João do Cariri, Paraíba, Brazil. Three caatinga physionomy were selected where were plots fixed of 10mx10m, an open one and another closed, containing 5 plots of 1m x1m total of 30m². Being a represented by the covering vegetable less conserved (Area I), other constituted by an area in intermediate apprenticeship of conservation (Area II), and the third area being represented by the covering vegetable more conserved (Area III). The herbaceous flora was represented by 31 genera, 40 species and 21 families with 3.091 ind.m² distributed in the three areas. The areas II and III presented larger wealth and diversity, expresses so much for the number of families as of identified species. The families, Convolvulaceae, Euphorbiaceae and Fabaceae presented larger number of species in the open and closed plots. Aristida adscensionis, (area I and II) and Cyperus uncinulatus (area III) the species that presented were larger value of importance in the closed and open plots were.
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