Agrupamento de unidades amostrais de araucaria angustifolia (bert.) o. ktze. em função de variáveis do solo, da serapilheira e das acículas, na região de Canela, RS.
The lack of specific knowledge with regard to the silvicultural requirements of the Paraná pine motivated the development of this work, that had as main objective the grouping of similar sample units according to the physical factors and to the nutrients of the soil, to the leafs and to the burla...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | Portuguese |
| Published: |
Universidade Federal de Santa Maria
2000-01-01
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| Series: | Ciência Florestal |
| Online Access: | http://www.redalyc.org/articulo.oa?id=53400204 |
| Summary: | The lack of specific knowledge with regard to the silvicultural requirements of the Paraná
pine motivated the development of this work, that had as main objective the grouping of similar
sample units according to the physical factors and to the nutrients of the soil, to the leafs and to the
burlap of a stand of Araucaria angustifolia (Bert.) O. Ktze. This was accomplished through the
systematic comparison of a statistical distance and through the obtaining of discriminant functions a
allowed to classify new sample units in the groups, in the National Forest of Canela, RS. To do so
the statistical techniques of multivariate analysis of Cluster and Discriminant Analysis were used.
Through the Cluster Analysis, taking as base a head office of 12 cases (trees) for 84 columns
(variables), 3 groups were obtained, being the same different from the natural site classification. For the Discriminant Analysis two discriminant functions, were determined taking as
base eight rude variables, enough to classify new individuals in the groups obtained by the Cluster
Analysis. |
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| ISSN: | 0103-9954 1980-5098 |