sapwood_specific_hydraulic_conductivity_theoretical

Label: Theoretical sapwood specific hydraulic conductivity (Ks)
Entity URI: https://w3id.org/APD/traits/trait_0021015
Type: numeric
Definition: A stem [PO:0009047] water transport [GO:0006833] trait which is a theoretical [MESH:D008962] measure of the rate [PATO:0000161] of water [CHEBI:15377] movement [NCIT:C37994] through a stem under a specific [NCIT:C38024] driving force [PATO:0001035] (water potential [EnvThes:22311] gradient [NCIT:C70693]), calculated from the Hagen Poiseuille equation [hupson:SCAIVPH_00000131], then normalised to the diameter [PATO:0001334] of water transport tissues [CARO:0000043] and accounting for the stem length [PATO:0000122]. It is the calculated sapwood hydraulic conductance, divided by the sapwood [PO:0004513] cross-sectional [NCIT:C63795] area [PATO:0001323] (m2), multiplied by the path length measured (m2).;Theoretical Ks; A calculation of the theoretical flow rate of water (kg/s) along a stem for a given drop in pressure (MPa), normalised to the microscopically determined cross-sectional area without bark and pith (the diameter of water transport tissues). The calculation is based on Hagen-Poiseuille's law.
Additional comments: None
units: kg/m/MPa/s
allowable range: 0.05 - 5000 kg/m/MPa/s

See the AusTraits Plant Dictionary (https://w3id.org/APD/traits/trait_0021015) for additional information about this trait.

Coverage

For this trait, AusTraits includes a total of 294 records. This includes: