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|metadata.revistascielo.dc.title:||ALLOMETRIC RELATIONS ON Pterodon emarginatus VOGEL TREES IN A SILVOPASTORAL SYSTEM|
Nogueira, Igor Murilo Bumbieris
Vitorino, Antonio Carlos Tadeu
|metadata.revistascielo.dc.subject:||Agroforestry systems, hypsometric relations, tree on pastures.|
|metadata.revistascielo.dc.description:||Allometric relations can be applied in the forecast of the ideal density of trees, competition evaluations, inferences about the stability, vitality and productivity and in the elaboration of forest growth models. Trees in consortium with forages, the silvopastoral systems (SSP), are very frequent nowadays, considering the advantages of the arboreal component for the pasture and animals. It support the present study with objective to evaluate, under the regression form, the possible relationships among diameter at breast height (DAP), crown height (Ac), stem height (Af), total height (At), diameter (Dc) and cylindrical volume of crown (Vc) in a SSP with Pterodon emarginatus, subsidizing their management. The data were collected in Nioaque – MS county, in a consortium area of P. emarginatus x B. decumbens x beef cattle, in which the trees were maintained intact during deforestation. For the regression, data of 91 adult trees of varied dimensions were randomly collected. The models were evaluate for graphical analysis of residues, significance of the regression coefficients, coefficient of determination and residual standard error. The Stoffels potential model was more appropriate for estimate At f (DAP); the straight line resulted on the betters levels to estimate Ac f (At), Vc f (DAP) e Dc f (DAP); good fitness to estimate Vc f (DAP; At) were obtained from one of Spurr model [y = a + b.(DAP².At)].|
|Appears in Collections:||CERNE|
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