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João Carlos Medeiros ; Jaqueline Dalla Rosa ; José Eduardo Soria ; Raul Shiso Toma ;Revista Brasileira de Ciência do Solo 2013, 37 2

Autor: Miguel Cooper

Fuente: http://www.redalyc.org/


Introducción



Revista Brasileira de Ciência do Solo ISSN: 0100-0683 revista@sbcs.org.br Sociedade Brasileira de Ciência do Solo Brasil Cooper, Miguel; Medeiros, João Carlos; Dalla Rosa, Jaqueline; Soria, José Eduardo; Shiso Toma, Raul SOIL FUNCTIONING IN A TOPOSEQUENCE UNDER RAINFOREST IN SÃO PAULO, BRAZIL Revista Brasileira de Ciência do Solo, vol.
37, núm.
2, 2013, pp.
392-399 Sociedade Brasileira de Ciência do Solo Viçosa, Brasil Available in: http:--www.redalyc.org-articulo.oa?id=180226346010 How to cite Complete issue More information about this article Journals homepage in redalyc.org Scientific Information System Network of Scientific Journals from Latin America, the Caribbean, Spain and Portugal Non-profit academic project, developed under the open access initiative 392 Miguel Cooper et al. SOIL FUNCTIONING IN A TOPOSEQUENCE UNDER RAINFOREST IN SÃO PAULO, BRAZIL(1) Miguel Cooper(2), João Carlos Medeiros(3), Jaqueline Dalla Rosa(3), José Eduardo Soria(4) & Raul Shiso Toma(5) SUMMARY Studies of soil-water dynamics using toposequences are essential to improve the understanding of soil-water-vegetation relationships.
This study assessed the hydro-physical and morphological characteristics of soils of Atlantic Rainforest in the Parque Estadual de Carlos Botelho, state of São Paulo, Brazil.
The study area of 10.24 ha (320 x 320 m) was covered by dense tropical rainforest (Atlantic Rainforest). Based on soil maps and topographic maps of the area, a representative transect of the soil in this plot was chosen and five soil trenches were opened to determine morphological properties.
To evaluate the soil hydro-physical functioning, soil ρ), particle density (ρ ρs), soil water retention particle size distribution, bulk density (ρ curves (SWRC), field saturated hydraulic conductivity (Ks), macroporosity (macro), and microporosity (micro) and total porosity (TP) were determined.
Undisturbed samples were collected for micromorphometric image analysis, to deter...





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