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Abstract:

Sap flow sensors are uniquely able to continuously monitor whole tree physiology. Recently, Burgess and Dawson (Burgess SSO, Dawson TE, Plant Soil 305:5-13, 2008) urged caution in using sap flow probes to estimate water storage use in trees. Here we respond to three criticisms raised there: (1) Sampling: that tree water storage, estimated from branch-bole sap flow lags, was compromised by unaccounted variation in branch position and orientation; (2) Instrumentation: that sap flow sensor response times may be sensor artefacts rather than manifestations of tree water storage; and (3) Theory: that tree water storage estimates are based on a faulty concept of lag phenomena in sap flow that persists in the literature. We agree with the need for caution in sap flow-based estimates of plant water storage, but here correct flaws in arguments and representations of studies presented in Burgess and Dawson (Burgess SSO, Dawson TE, Plant Soil 305:5-13, 2008). © 2008 Springer Science+Business Media B.V.

Registro:

Documento: Artículo
Título:Using branch and basal trunk sap flow measurements to estimate whole-plant water capacitance: Comment on Burgess and Dawson (2008)
Autor:Phillips, N.G.; Scholz, F.G.; Bucci, S.J.; Goldstein, G.; Meinzer, F.C.
Filiación:Department of Geography and Environment, Boston University, 675 Commonwealth Avenue, Boston, MA 02215, United States
Centre for Plant and Food Science, University of Western Sydney, Richmond, NSW 2753, Australia
Comision Nacional de Investigaciones Cientificas Y Tecnicas (CONICET), Laboratorio de Ecologia Funcional, Universidad Nacional de la Patagonia San Juan Bosco, Comodoro Rivadavia, Argentina
CONICET, Laboratorio de Ecología Funcional, Ciudad Universitaria, Nuñez, Buenos Aires, Argentina
Department of Biology, University of Miami, P.O. Box 249118, Coral Gables, FL 33124, United States
US Department of Agriculture Forest Service, Forestry Sciences Laboratory, 3200 SW Jefferson Way, Corvallis, OR 97331, United States
Palabras clave:Branch sap flow; Capacitance; Cohesion-tension theory; Flow lags; Heat balance gauge; Heat pulse; Heat storage; Stem water storage; Thermal dissipation probe; Water transport; artifact; cohesion; dissipation; heat balance; sampling; sap flow; tension; water storage
Año:2009
Volumen:315
Número:1-2
Página de inicio:315
Página de fin:324
DOI: http://dx.doi.org/10.1007/s11104-008-9741-y
Título revista:Plant and Soil
Título revista abreviado:Plant Soil
ISSN:0032079X
CODEN:PLSOA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_0032079X_v315_n1-2_p315_Phillips

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Citas:

---------- APA ----------
Phillips, N.G., Scholz, F.G., Bucci, S.J., Goldstein, G. & Meinzer, F.C. (2009) . Using branch and basal trunk sap flow measurements to estimate whole-plant water capacitance: Comment on Burgess and Dawson (2008). Plant and Soil, 315(1-2), 315-324.
http://dx.doi.org/10.1007/s11104-008-9741-y
---------- CHICAGO ----------
Phillips, N.G., Scholz, F.G., Bucci, S.J., Goldstein, G., Meinzer, F.C. "Using branch and basal trunk sap flow measurements to estimate whole-plant water capacitance: Comment on Burgess and Dawson (2008)" . Plant and Soil 315, no. 1-2 (2009) : 315-324.
http://dx.doi.org/10.1007/s11104-008-9741-y
---------- MLA ----------
Phillips, N.G., Scholz, F.G., Bucci, S.J., Goldstein, G., Meinzer, F.C. "Using branch and basal trunk sap flow measurements to estimate whole-plant water capacitance: Comment on Burgess and Dawson (2008)" . Plant and Soil, vol. 315, no. 1-2, 2009, pp. 315-324.
http://dx.doi.org/10.1007/s11104-008-9741-y
---------- VANCOUVER ----------
Phillips, N.G., Scholz, F.G., Bucci, S.J., Goldstein, G., Meinzer, F.C. Using branch and basal trunk sap flow measurements to estimate whole-plant water capacitance: Comment on Burgess and Dawson (2008). Plant Soil. 2009;315(1-2):315-324.
http://dx.doi.org/10.1007/s11104-008-9741-y