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Seasonal variations and tolerance to hydric deficiency in seedlings of tropical tree species from different successional groups

Grant number: 03/06939-5
Support type:Research Grants - Young Investigators Grants
Duration: June 01, 2004 - May 31, 2008
Field of knowledge:Biological Sciences - Botany - Pant Physiology
Principal Investigator:Gustavo Maia Souza
Grantee:Gustavo Maia Souza
Home Institution: Faculdade de Ciências Agrárias. Universidade do Oeste Paulista (UNOESTE). Campus de Presidente Prudente. Presidente Prudente , SP, Brazil


The increasing importance in conserving and restoring natural environments, such as tropical forest, brings the need to develop programs of management and forest restoration projects that are increasingly eficiente and ecologically suited to the maintenance of biodiversity. In this context, the knowledge of the ecophysiology of native tropical species assume a fundamental role in assisting the adaptation of projects of maintenance of biodiversity, enabling the appropriate choice of species for each type of environment, as well as the ideal planting conditions. In addition to this, the study of the relationship of plants with the variations in their environments enables a better understanding of the intricate ecological relationships which shape tropical forests, such as their process of auto-regeneration and auto-maintenance via the dynamic of clearings. In this way, the research project aims to carry out a judicious study of the ecophysiology of tropical tree species enabling: a) the establishment of physiological parameters which permit a clear distinction between the successional groups; b) determination of the variation of the responses of different species to seasonal variations in a natural environment; c) determination of the degree of adaptation of each successional group to a particular environment in the forest (clearing or understory); d) verification of the differences in the mechanisms and degrees of tolerance to hydric deficiency between two different successional groups in semi-controlled conditions (greenhouse). (AU)

Scientific publications (4)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
SATO, AGNALDO M.; CATUCHI, TIAGO A.; RIBEIRO, RAFAEL V.; SOUZA, GUSTAVO M. The use of network analysis to uncover homeostatic responses of a drought-tolerant sugarcane cultivar under severe water deficit and phosphorus supply. ACTA PHYSIOLOGIAE PLANTARUM, v. 32, n. 6, p. 1145-1151, NOV 2010. Web of Science Citations: 11.
GUSTAVO MAIA SOUZA; BRUNO DEPIERI BALMANT; HILTON FABRÍCIO VÍTOLO; KARINA BORNIA PEDROSO GOMES; THIAGO MARTINS FLORENTINO; TIAGO ARANDA CATUCHI; WILLYAM DE LIMA VIEIRA. Estratégias de utilização de luz e estabilidade do desenvolvimento de plântulas de Cordia superba Cham. (Boraginaceae) crescidas em diferentes ambientes luminosos. Acta Botanica Brasilica, v. 23, n. 2, p. 474-485, Jun. 2009.
SOUZA, GUSTAVO M.; RIBEIRO, RAFAEL V.; PRADO, CARLOS H. B. A.; DAMINELI, DANIEL S. C.; SATO, AGNALDO M.; OLIVEIRA, MARCELINO S. Using network connectance and autonomy analyses to uncover patterns of photosynthetic responses in tropical woody species. ECOLOGICAL COMPLEXITY, v. 6, n. 1, p. 15-26, MAR 2009. Web of Science Citations: 9.
SOUZA, G. M.; RIBEIRO, V, R.; SATO, A. M.; OLIVEIRA, M. S. Diurnal and seasonal carbon balance of four tropical tree species differing in successional status. Brazilian Journal of Biology, v. 68, n. 4, p. 781-793, NOV 2008. Web of Science Citations: 8.

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