Structure and floristic composition of Miombo woodland in Mocuba district, Mozambique
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To ensuresustainable use of natural forests, it is necessary the development of appropriate silvicultural techniques, based on the ecology of each type of plant formation. This study aimed to characterize the horizontal structure of a Miombo forest, located in Mocuba District, Zambézia province in Mozambique, aiming to provide technical support to the development of efficient management systems forest. The forest inventory was conducted using systematic sampling process, in which the horizontal structure was characterized taking into account the forest highlighting the floristic composition, phytosociology, species diversity and diameter distribution. In the area were foud 1090 individuals from 34 species, 29 genera and 12 families. The most important species in accordance with the ecological importance value index were Fabaceae family such BrachystegiaspiciformisBenth., CordylaafricanaLour., Burkeaafricana Hook., Pterocarpusangolensis DC., which make up about 58% of all species in the area. The behavior observed for the Shannon-Wienner (H ') and Pielou (J') diversity index of 0,88 and 0,85 respectively, showed that the study area exhibits low diversity of species compared to studies in similar forests. The diameter distribution adjusted by the Meyer function showed a deficit of individuals in class 12,5 cm and 17,5 cm as a result of underutilization of individuals of lower diametric class by the local community, however, this is showing good resilience of its structure.
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