Persistent Link:
http://hdl.handle.net/10150/191630
Title:
Soil moisture use by velvet mesquite (Prosopis juliflora)
Author:
Martin, Richard Christopher,1944-
Issue Date:
1976
Publisher:
The University of Arizona.
Rights:
Copyright © is held by the author. Digital access to this material is made possible by the University Libraries, University of Arizona. Further transmission, reproduction or presentation (such as public display or performance) of protected items is prohibited except with permission of the author.
Abstract:
The primary objective of this yearlong study was to determine the amount of soil moisture used by mature velvet mesquite (Prosopis juliflora var. velutina) trees on an upland site in southern Arizona. Using the neutron thermalization method, soil moisture measurements were made adjacent to four live and four dead trees. Measurements were taken to a depth of 6 m and a distance of approximately 20 m from the trunks. Soil moisture levels at selected distances from the live and dead trees were compared and the differences graphically evaluated to determine seasonal soil moisture use. Moisture use was plotted against distance from the trees. This distribution of use varied from season to season. The maximum distance from the trees at which use was occurring fluctuated considerably from season to season but averaged approximately 20 m from the trunks. These fluctuations were attributed largely to the graphing technique. The mean daily use of soil moisture for an average study tree was 468 1 in the summer, 160 1 in the fall, and 644 1 in the spring. Assuming that use was insignificant during the winter dormancy period, the mean daily use for the entire study year was 322 1.
Type:
Thesis-Reproduction (electronic); text
LCSH Subjects:
Hydrology.; Mesquite.
Degree Name:
M.S.
Degree Level:
masters
Degree Program:
Renewable Natural Resources; Graduate College
Degree Grantor:
University of Arizona
Committee Chair:
Ogden, Phil R.

Full metadata record

DC FieldValue Language
dc.language.isoenen_US
dc.titleSoil moisture use by velvet mesquite (Prosopis juliflora)en_US
dc.creatorMartin, Richard Christopher,1944-en_US
dc.contributor.authorMartin, Richard Christopher,1944-en_US
dc.date.issued1976en_US
dc.publisherThe University of Arizona.en_US
dc.rightsCopyright © is held by the author. Digital access to this material is made possible by the University Libraries, University of Arizona. Further transmission, reproduction or presentation (such as public display or performance) of protected items is prohibited except with permission of the author.en_US
dc.description.abstractThe primary objective of this yearlong study was to determine the amount of soil moisture used by mature velvet mesquite (Prosopis juliflora var. velutina) trees on an upland site in southern Arizona. Using the neutron thermalization method, soil moisture measurements were made adjacent to four live and four dead trees. Measurements were taken to a depth of 6 m and a distance of approximately 20 m from the trunks. Soil moisture levels at selected distances from the live and dead trees were compared and the differences graphically evaluated to determine seasonal soil moisture use. Moisture use was plotted against distance from the trees. This distribution of use varied from season to season. The maximum distance from the trees at which use was occurring fluctuated considerably from season to season but averaged approximately 20 m from the trunks. These fluctuations were attributed largely to the graphing technique. The mean daily use of soil moisture for an average study tree was 468 1 in the summer, 160 1 in the fall, and 644 1 in the spring. Assuming that use was insignificant during the winter dormancy period, the mean daily use for the entire study year was 322 1.en_US
dc.description.notehydrology collectionen_US
dc.typeThesis-Reproduction (electronic)en_US
dc.typetexten_US
dc.subject.lcshHydrology.en_US
dc.subject.lcshMesquite.en_US
thesis.degree.nameM.S.en_US
thesis.degree.levelmastersen_US
thesis.degree.disciplineRenewable Natural Resourcesen_US
thesis.degree.disciplineGraduate Collegeen_US
thesis.degree.grantorUniversity of Arizonaen_US
dc.contributor.chairOgden, Phil R.en_US
dc.contributor.committeememberThorud, Daviden_US
dc.identifier.oclc212651294en_US
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