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Aboveground and belowground interactions in different systems for ecological restoration of the seasonal semideciduous forest.

Grant number: 11/23593-1
Support type:Scholarships in Brazil - Doctorate
Effective date (Start): July 01, 2012
Effective date (End): March 31, 2016
Field of knowledge:Agronomical Sciences - Forestry Resources and Forestry Engineering - Nature Conservation
Principal researcher:Vera Lex Engel
Grantee:Deivid Lopes Machado
Home Institution: Faculdade de Ciências Agronômicas (FCA). Universidade Estadual Paulista (UNESP). Campus de Botucatu. Botucatu , SP, Brazil


To date, reforestation practices aiming at ecological restoration lack parameters to evaluate their success. The knowlegde gaps are larger when concerning the below and aboveground interactions.Our objective is to evaluate how far the aboveground community complexity affects the soil community, and how both interfere in the ecosystem functioning. Our hypothesis is that there is a minimal functional structure that can keep up the ecosystem functioning. We will analyse a forest restoration experiment installed in 1997 in a sandy ultissol site.Experimental design is a randomized blocks with four plantation models and tree replicates, plus the control passive regeneration) an the natural forest as a reference. Experimental plots are 0.25 ha and 900 m2 of useful area. The systems differ from each other by the initial number of species planted, from five (direct seeding) to 20 (agroforestry system), 25 (mixed comercial planting) and 41 (high diversity planting). We will evaluate litterfal input and stock; nutrient pools; foliar decomposition rates; nutrient release rates; soil macrofauna and mesofauna; chemical and physical soil properties,and the plant community structural atributes. The results will be subjected to univariate and multivariate variance analysis to correlate vegetation structure and soil attributes.

Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
MACHADO, Deivid Lopes. Aporte de serapilheira, fauna edáfica e matéria orgânica do solo em diferentes sistemas de restauração florestal. 2016. 183 f. Doctoral Thesis - Universidade Estadual Paulista "Júlio de Mesquita Filho" Faculdade de Ciências Agronômicas (Campus de Botucatu)..

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