SciELO - Scientific Electronic Library Online

vol.14 issue1-2A Presença de Alcalóides em Espécies Botânicas da Amazônia - MenispermaceaeTratamentos Pré- Germinativos de Sementes de Espécies Florestais Amazônicas. II - Visgueiro (Parkia pendula Benth. Leguminosae - Mimosoideae) author indexsubject indexarticles search
Home Pagealphabetic serial listing  

Services on Demand




Related links


Acta Amazonica

Print version ISSN 0044-5967On-line version ISSN 1809-4392


ALENCAR, Jurandyr da Cruz. Estudos Silviculturais de uma População Natural de COPAIFERA MULTIJUGA Hayne - Leguminosae, na Amazônia Central. 3. Distribuição Espacial da Regeneração Natural Pré-Existente. Acta Amaz. [online]. 1984, vol.14, n.1-2, pp.255-279. ISSN 0044-5967.

The author presents results concerning the Spacial distribuition of the natural regeneration οf Copaifera multijuga Hayne in Ducke forest Reserve, All the statistical parameters were calculated and the expected relative frequencies according to the Poisson equation shows that the distribution pattern of the regeneration for all the 12 mother trees studied ts "in group". The natural regeneration in a not disturbed area is variable according to the greater or ninor seed production, the competition among plantules of this species and the competition between the ptantules of) C. multijugawith others Species, besides the probable predation by animals and the Struggle to survive at low levels of radiaton. Tht plantules frequency distribution sugests thi shape ο(, a J inverted. Thz difference in the. variance of the plantules height is significant at 5%. The plantules height varied from 10cm until 50cm, being the height mean for the 12 mother trees of 20,66cm and 15,54cm at the first and second inventory, respectively. The number of the natural regeneration is, high after a good heed production, and seems to be silvicutturety interesting their utilization for planting purposes, since the adaptability of the plantules to the nusery conditions be studied.

        · abstract in Portuguese     · text in Portuguese     · Portuguese ( pdf )