Water relations of oak species growing in the natural CO2 spring of Rapolano (central Italy) (Articolo in rivista)

Type
Label
  • Water relations of oak species growing in the natural CO2 spring of Rapolano (central Italy) (Articolo in rivista) (literal)
Anno
  • 1996-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1051/forest:19960229 (literal)
Alternative label
  • Tognetti R., Giovannelli A., Longobucco A., Miglietta F., Raschi A. (1996)
    Water relations of oak species growing in the natural CO2 spring of Rapolano (central Italy)
    in Annales des Sciences Forestieres; EDITIONS SCIENTIFIQUES ELSEVIER, 141 RUE JAVEL, 75747 PARIS CEDEX 15, FRANCE, Paris (Francia)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Tognetti R., Giovannelli A., Longobucco A., Miglietta F., Raschi A. (literal)
Pagina inizio
  • 475 (literal)
Pagina fine
  • 485 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 53 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 10 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Tognetti R, Ce SIA, Accademia dei Georgofili, Logge degli Uffuzi Corti, 50122 Tognetti R., Giovannelli A., IMGPF, Consiglio Nazionale delle Ricerche, Via Atto Vannucci 13, 50134 Longobucco A., Miglietta F., Raschi A., IATA, Consiglio Nazionale delle Ricerche, Piazzale delle Cascine 18, 50144, Firenze (literal)
Titolo
  • Water relations of oak species growing in the natural CO2 spring of Rapolano (central Italy) (literal)
Abstract
  • The effect of elevated atmospheric carbon dioxide on water relations was examined on downy oak (Quercus pubescens) and helm oak (Q ilex) trees. The study was conducted on trees growing in a naturally enriched CO2 spring. Sap velocity and sap flow were measured by the heat pulse technique. On the same trees, daily courses of xylem water potential, leaf conductance and transpiration were monitored. Plant water relations were evaluated by pressure-volume analysis method on shoots; on the same branches, relative conductivity of xylem was measured. Both species exhibited increased osmotic potential and decreased symplasmic fraction of water in trees adapted to increased CO2. Downy oak showed lower stomatal conductance under elevated CO2, but helm oak did not. Both species displayed higher sap flow in control trees. In both species, increased carbon dioxide did not influence xylem embolism formation. (literal)
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