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Type: Artigo de periódico
Title: Ecophysiology Of Three Native Species From A Brazilianatlantic Forest With Different Water Regimes [ecofisiologia De Três Espécies Arbóreas Nativas Da Mata Atlântica Do Brasil Em Diferentes Regimes De água]
Author: Tonello K.C.
Filho J.T.
Abstract: The leaf water potential is one of the most important factors affecting the stomata functioning. This work evaluated the stomatal conductance and transpiration of Pterogyne nitens, Aspidosperma polyneuron and Myroxylum peruiferum in different water availability, as well as correlated them with two local environmental factors, atmosphere vapor pressure deficit (VPD) and global radiation (GR). The pattern of stomatal conductance and transpiration as a function of VPD and GR were affected by drought stress. Stressed plants maintained low rates of transpiration and stomatal conductance, even with the increased demand for evaporation. Under this study conditions, the results show that distinct successional species status display differential responses in relation to physiological characteristics evaluated. Under natural light, the pioneer Pterogyne nitens showed higher stomatal conductance and transpiration in relation to not pioneer species.
Rights: aberto
Identifier DOI: 
Date Issue: 2012
Appears in Collections:Unicamp - Artigos e Outros Documentos

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