Résultats de la recherche | Land Portal

Résultats de la recherche

Showing items 1 through 9 of 2.
  1. Library Resource
    Articles et Livres
    décembre, 2001
    Espagne

    The purpose of this work was to adapt the MicroLEIS - Land Evaluation Information System developed in Spain to the Brazilian Southeast conditions. Twelve (12) variables were considered, as follows: A - Relief Factor: 1) Slope; B - Soil Factor: 2) Effective depth, 3) Texture, 4) Stoniness, 5) Drainage, 6) Salinity; C - Erosion Factor: 7) Erodibility, 8) Slope, 9) Vegetation density, 10) Rainfall erosivity; D - Bioclimatic Deficiency Factor: 11) Frost, 12) Available water. For each of them, the control parameters were changed, according to conditions of the soils of the State of São Paulo.

  2. Library Resource
    Articles et Livres
    décembre, 2001

    The forests on Barreiras formations are located in fragmented areas extending from the Rio Grande do Norte State to north of Rio de Janeiro State. In the north of Rio de Janeiro State, the "Mata do Carvão" (1053 ha) is the largest remaining fragment. This study describes the structure and floristic composition of a remnant forest on tertiary tabuleiros and its main aim was to compare this forest with other "tabuleiro" and Atlantic forest remnants in the region.

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