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Revista Forestal Mesoamericana Kurú
versão On-line ISSN 2215-2504
Resumo
GAVA, Fernando Henrique et al. Volume, increment and growth in clonal and seminal canopy damages stands of Teak. Kurú [online]. 2021, vol.18, n.43, pp.79-86. ISSN 2215-2504. http://dx.doi.org/10.18845/rfmk.v19i43.5812.
In this study, the main important plants collected by the stingless bee Trigona fulviventris were determined in a secondary dry forest fragment in Pocosol, Guanacaste during the rainy season. A total of 26 pollen types were obtained by collecting individuals of Trigona fulviventris these corresponded mainly representative species of herbs and shrubs. In addition, although there was unusual phenology through the year of the study, a collection of plants was carried out in order to covering the most important species according within the flight range of this species (300-500 m). For the palinological analysis a combination of methods were used and the results showed a convergence of 27% of coincidence when comparing both pollen collected by the bees and plant sources. In addition, the presence of the most representative species at the time of study at the site (Baltimora recta and Dorstenia contrajerva) was determined using ecological indexes. Moreover it was able to demonstrate a generalist behavior of T. fulviventris regarding the search for limited nutritional.
The aim of the study was to adjust volume and growth models and analyze the increments of six years old teak clones and seminal material influenced by canopy breakage. Diameter at breast height (DBH), commercial (hc) and total height (h) were measured in a randomized block experiment in with five treatments using clonal and seminal teak material. Ten trees from each treatment were cubed and the mean volumes were compared models (DBH, h and volume). Schumacher-Hall model was chosen for clone 68 and the Modified Prodan model for the other treatments. DBH and volume were expressed by the Moissev model and height by the Backman model. DBH and h CAI and MAI are negatively affected by canopy damage and clones had the greatest gains in productivity, especially the clone 61.
Palavras-chave : CAN; MAN; Modeling; Prodan Modified and Productivity.