RESUMO: O Brasil possui a flora mais rica do globo com cerca de 60.000 espécies conhecidas. Mato Grosso participa com uma parcela significativa, por conter diferentes regiões biogeográficas: a amazônia, o cerrado e o pantanal -diferenciados tanto pela estrutura quanto pelas espécies. A metodologia utilizada neste trabalho buscou verificar a vulnerabilidade das espécies e ecossistemas, com base no modelo recomendado pelo IICA (Instituto Interamericano de Cooperação em Agricultura) e o sistema de classificação das categorias segundo a União Intemacional para Conservação da Natureza e Recursos Naturais (lUCN). As espécies selecionadas foram distribuí-das em seções: madeireira, medicinal, frutíferas, ornamental e palmeiras. São apresentadas 37 espécies da flora de Mato Grosso, enquadradas nas categorias: Vulneráveis (V), Em Perigo de Extinção (E), Rara (R). O extrativismo das espécies converge para o objetivo da importância conservacionista.Palavras Chave: Conservação, Biodiversidade, Flora de Mato Grosso, Espécies ameaçadas.ABSTRACT: (Biodiversity Conservation: Species from Mato Grosso Flora.) Brazil prossesses the richest flora on the world, counting with around 60.000 known species. Though having diverse biogeographic regions [the "amazon celTado" and the "pantanal"], differenteated both by structure as well as by species, Mato Grosso state participantes participates significantly. The working process herein used aimed at checking the vulnerability of species and ecosystems based on the model recomended by the IICA (lnteramerican Institute for Cooperation in Agriculture) and system of category classification according to the International Union for the Conservation of Nature and Natural Resources [IUCN]. Selected species were sorted by section: wood source, medicinal, fruitbearing, ornamental and paim 37 species of the Mato Grosso flora are presented, placed in the categories: Vulnerable [V], Endangered [E] and Rare [R]. Extraction from the species converges towards the objective of a conservacionist importance.
This study treats some structural aspects of a population of Callisthene fasciculata (Spr.) Mart. growing on a ridge in the Pantanal
of Poconé, in Mato Grosso State, Brazil. The project was carried out
in 1ha of cerradão (savanna forest) at Fazenda Retiro Campo Largo,
Poconé. Callisthene fasciculata is a common species in the
cerradão. Formations of C. fasciculata, regionally denominated
`carvoeiro' and/or `carvoal', occur frequently. This species is of economic
importance because of its use for fence posts, charcoal and firewood. Data
on its population structure were analysed and are presented based on the circumference
class categories at breast height (cbh) and variation in height. The 869 individual
trees in the sample hectare included 17 families and 33 species, and were
dominated by the 229 individuals of C. fasciculata.
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