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Are leaf physiological traits related to leaf water isotopic enrichment in restinga woody species? Anais da ABC (AABC)
ROSADO,BRUNO H.P.; MATTOS,EDUARDO A. DE; STERNBERG,LEONEL DA S.L..
During plant-transpiration, water molecules having the lighter stable isotopes of oxygen and hydrogen evaporate and diffuse at a faster rate through the stomata than molecules having the heavier isotopes, which cause isotopic enrichment of leaf water. Although previous models have assumed that leaf water is well-mixed and isotopically uniform, non-uniform stomatal closure, promoting different enrichments between cells, and different pools of water within leaves, due to morpho-physiological traits, might lead to inaccuracies in isotopic models predicting leaf water enrichment. We evaluate the role of leaf morpho-physiological traits on leaf water isotopic enrichment in woody species occurring in a coastal vegetation of Brazil known asrestinga. Hydrogen and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Leaf water isotopic enrichment; Péclet effect; Restinga; Leaf morpho-physiological traits.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652013000301035
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