ABNT NBR 13030 PDF

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The higher amount of Phosphorus in the soil must also be related to the elevated litter formation in the areas where C. Patterns of abundance of a narrow endemic species in a tropical and infertile montane habitat.

nbr 14063 1998

Each treatment restored and non-restored had four sampling areas, each with three m 2 plots. World Wide Fund For Nature, The areas where C. How to cite this article.

Seedling growth and biomass allocation of endemic and threatened shrubs nbf rupestrian fields. Annual Review of Ecology and Systematics The level of Phosphorus found in the restored areas was higher then the level reported by Marques and Negreiros et al.

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In most cases, exotic species are used with consequences to ecosystem processes and functioning not fully evaluated. This highway was restored in and the pigeon pea, Cajanus cajan Fabaceaewas used to facilitate the succession process.

Unexpected effects of pigeon-peas Cajanus cajan in the restoration of rupestrian fields. Rupestrian field soils are generally acidic, poor in nutrients, and contain high Aluminum saturation values due to geological and geomorphological conditions Benites et al.

13300 MCC Have questions? Seed size, seed germination and seedling survival of Brazilian tropical tree species differing in successional status. Seed dormancy and germination of sympatric species of Chamaecrista Leguminosae in a rupestrian field. NBR nbr The goal of this work was to evaluate the effect of light and temperature on seed germination of M.

Mycorrhizal inoculation effect on nodulation and N accumulation in Cajanus cajan at soil P concentrations sufficient or inadequate for mycorrhiza-free growth.

As it appears, the use of C.

Revista Brasileira de Biologia Aparentemente floresce e frutifica ao longo de todo o ano, produzindo grande quantidade de sementes pequenas Martins, com. Even if the nutrient increase that resulted from the presence of Nnr.

Silveira; Daniel Negreiros; G.

The quantity of magnesium found in this study was lower than that reported by Marques et al. Although the amount of organic matter was not analyzed in the present study, the amount of nitrogen between the two treatments did not differ jbr. In fact, we found high pH levels in both treatments. Restoration by planting the legume Cajanus cajan was implemented in some of these areas. Seed size and shade-tolerance: Deeper understanding of the role of commonly used practices and exotic species in the restoration of Brazilian vegetation is urgently needed because tropical vegetations present different species composition structure and functional properties.

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Unexpected effects of pigeon-peas (Cajanus cajan) in the restoration of rupestrian fields

Canadian Journal of Botany Seed and seedling ecology of neotropical Melastomataceae. The Young, the Old, and the Restless: Light and temperature influence on seed germination of Marcetia taxifolia A. We also collected soil from the superficial layer cm of each sampling area in both treatments.

However, most initiatives to restore degraded areas have been using methods that do not follow this definition strictly. On the other hand, none of the other soil components analyzed differed statistically between the two treatments Table 2.