Comparative plant water relations and soil water depletion patterns of three seral shrub species on forest sites in southwestern Oregon

We compared stomata conductance, transpiration, plant water potential, and soil moisture depletion patterns for three shrub species common on early seral forest sites in southwestern Oregon following logging or fire. Our goal was to determine which of these species were more likely to be the stronge...

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Veröffentlicht in:Forest science 1997-08, Vol.43 (3), p.336-347
Hauptverfasser: Conard, S.G, Sparks, S.R, Regelbrugge, J.C
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Sparks, S.R
Regelbrugge, J.C
description We compared stomata conductance, transpiration, plant water potential, and soil moisture depletion patterns for three shrub species common on early seral forest sites in southwestern Oregon following logging or fire. Our goal was to determine which of these species were more likely to be the strongest competitors with regenerating conifers. The three species, Arctostaphylos patula Greene, Ceanothus sanguineus Pursh., and Holodiscus discolor (Pursh.) Maxim., were selected to represent a range in leaf morphology and expected water use patterns. Diurnal patterns of leaf conductance, plant water potential, and environmental parameters were measured throughout the growing season, along with seasonal patterns in soil moisture. As with any data obtained under ambient field conditions, environmental parameters and exact timing of measurements varied among shrubs. To better evaluate the response of individual species to common environmental parameters, we constructed models of leaf conductance based on field data and used these models to estimate responses of conductance and transpiration to averaged environmental conditions. This allowed us to better compare species responses to seasonal and diurnal trends in environmental variables. C. sanguineus typically had the highest transpiration rates per unit leaf area, and H. discolor the lowest; however, due to much higher leaf area indices of H. discolor, the two species depleted soil moisture at about the same rate. C. sanguineus and A. patula both had high predawn water potentials throughout the season, even when soil water potential at 1 m depth was less than -1.2 Mpa, suggesting that these species, but not H. discolor, had roots in deeper soil layers. We predict that the two deciduous species, C. sanguineus and H. discolor, will be stronger competitors for soil moisture than A. patula, at least in the top meter of soil. In contrast, A. patula and C. sanguineus are capable of depleting moisture from deeper in the soil
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This allowed us to better compare species responses to seasonal and diurnal trends in environmental variables. C. sanguineus typically had the highest transpiration rates per unit leaf area, and H. discolor the lowest; however, due to much higher leaf area indices of H. discolor, the two species depleted soil moisture at about the same rate. C. sanguineus and A. patula both had high predawn water potentials throughout the season, even when soil water potential at 1 m depth was less than -1.2 Mpa, suggesting that these species, but not H. discolor, had roots in deeper soil layers. We predict that the two deciduous species, C. sanguineus and H. discolor, will be stronger competitors for soil moisture than A. patula, at least in the top meter of soil. 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General forest ecology ; HOJAS ; HOLODISCUS DISCOLOR ; LEAF AREA ; LEAF CONDUCTANCE ; LEAVES ; MODELE ; MODELOS ; OREGON ; PINOPSIDA ; PLANT ANATOMY ; PLANT COMPETITION ; PLANT WATER RELATIONS ; Plants and fungi ; POTENCIAL HIDRICO DEL SUELO ; POTENTIEL HYDRIQUE DU SOL ; REGENERACION ; REGENERATION ; RELACIONES PLANTA AGUA ; RELATION PLANTE EAU ; RHAMNACEAE ; RITMOS BIOLOGICOS ; ROSACEAE ; RYTHME BIOLOGIQUE ; SEASONAL VARIATION ; SOIL WATER ; SOIL WATER POTENTIAL ; SPECIES DIFFERENCES ; STOMATA ; STOMATE ; SUPERFICIE FOLIAR ; SURFACE FOLIAIRE ; TEMPERATURA ; TEMPERATURE ; TRANSPIRACION ; TRANSPIRATION ; VARIACION ESTACIONAL ; VARIATION SAISONNIERE</subject><ispartof>Forest science, 1997-08, Vol.43 (3), p.336-347</ispartof><rights>1998 INIST-CNRS</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c383t-8318254121655c646d7bbae2be95dc28b59d7ca4614a1cb5ceeaa6c3b0bef6c63</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>315,782,786,27931,27932</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&amp;idt=2048202$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Conard, S.G</creatorcontrib><creatorcontrib>Sparks, S.R</creatorcontrib><creatorcontrib>Regelbrugge, J.C</creatorcontrib><title>Comparative plant water relations and soil water depletion patterns of three seral shrub species on forest sites in southwestern Oregon</title><title>Forest science</title><description>We compared stomata conductance, transpiration, plant water potential, and soil moisture depletion patterns for three shrub species common on early seral forest sites in southwestern Oregon following logging or fire. Our goal was to determine which of these species were more likely to be the strongest competitors with regenerating conifers. The three species, Arctostaphylos patula Greene, Ceanothus sanguineus Pursh., and Holodiscus discolor (Pursh.) Maxim., were selected to represent a range in leaf morphology and expected water use patterns. Diurnal patterns of leaf conductance, plant water potential, and environmental parameters were measured throughout the growing season, along with seasonal patterns in soil moisture. As with any data obtained under ambient field conditions, environmental parameters and exact timing of measurements varied among shrubs. To better evaluate the response of individual species to common environmental parameters, we constructed models of leaf conductance based on field data and used these models to estimate responses of conductance and transpiration to averaged environmental conditions. This allowed us to better compare species responses to seasonal and diurnal trends in environmental variables. C. sanguineus typically had the highest transpiration rates per unit leaf area, and H. discolor the lowest; however, due to much higher leaf area indices of H. discolor, the two species depleted soil moisture at about the same rate. C. sanguineus and A. patula both had high predawn water potentials throughout the season, even when soil water potential at 1 m depth was less than -1.2 Mpa, suggesting that these species, but not H. discolor, had roots in deeper soil layers. We predict that the two deciduous species, C. sanguineus and H. discolor, will be stronger competitors for soil moisture than A. patula, at least in the top meter of soil. 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Psychology</subject><subject>General forest ecology</subject><subject>Generalities. Production, biomass. Quality of wood and forest products. General forest ecology</subject><subject>HOJAS</subject><subject>HOLODISCUS DISCOLOR</subject><subject>LEAF AREA</subject><subject>LEAF CONDUCTANCE</subject><subject>LEAVES</subject><subject>MODELE</subject><subject>MODELOS</subject><subject>OREGON</subject><subject>PINOPSIDA</subject><subject>PLANT ANATOMY</subject><subject>PLANT COMPETITION</subject><subject>PLANT WATER RELATIONS</subject><subject>Plants and fungi</subject><subject>POTENCIAL HIDRICO DEL SUELO</subject><subject>POTENTIEL HYDRIQUE DU SOL</subject><subject>REGENERACION</subject><subject>REGENERATION</subject><subject>RELACIONES PLANTA AGUA</subject><subject>RELATION PLANTE EAU</subject><subject>RHAMNACEAE</subject><subject>RITMOS BIOLOGICOS</subject><subject>ROSACEAE</subject><subject>RYTHME BIOLOGIQUE</subject><subject>SEASONAL VARIATION</subject><subject>SOIL WATER</subject><subject>SOIL WATER POTENTIAL</subject><subject>SPECIES DIFFERENCES</subject><subject>STOMATA</subject><subject>STOMATE</subject><subject>SUPERFICIE FOLIAR</subject><subject>SURFACE FOLIAIRE</subject><subject>TEMPERATURA</subject><subject>TEMPERATURE</subject><subject>TRANSPIRACION</subject><subject>TRANSPIRATION</subject><subject>VARIACION ESTACIONAL</subject><subject>VARIATION SAISONNIERE</subject><issn>0015-749X</issn><issn>1938-3738</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1997</creationdate><recordtype>article</recordtype><recordid>eNpVkM9q3DAQxkVoIdu0j9CgQ-jNif5Zto9hadJAIId2oTcxlse7Dl7L0Wiz9An62tF2l0CZg9D3_Wb0aRi7lOJaikbf9CEiJfIDTh5vjL7Ope0ZW8hG14WudP2BLYSQZVGZ5vc5-0T0LISotVAL9ncZtjNESMMr8nmEKfE9JIw84pjFMBGHqeMUhvFkdDiPeHD4DCkLmQg9T5uIyAkjjJw2cddymjFHyubEjwk5DSnfhylP26XNPku5mz9FXIfpM_vYw0j45XResNXd91_LH8Xj0_3D8vax8LrWqai1rFVppJK2LL01tqvaFlC12JSdV3VbNl3lwVhpQPq29IgA1utWtNhbb_UF-3acO8fwsssR3HYgj2P-OYYdOWmVVkYfQHsEfQxEEXs3x2EL8Y-Twh327v7buzPa5frXeHV6AcjD2EeY_EDv3UqYWgmVsa9HrIfgYB0zsvopm6YSlSiN1W_Mq5UW</recordid><startdate>19970801</startdate><enddate>19970801</enddate><creator>Conard, S.G</creator><creator>Sparks, S.R</creator><creator>Regelbrugge, J.C</creator><general>Society of American Foresters</general><scope>FBQ</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7UA</scope><scope>C1K</scope></search><sort><creationdate>19970801</creationdate><title>Comparative plant water relations and soil water depletion patterns of three seral shrub species on forest sites in southwestern Oregon</title><author>Conard, S.G ; Sparks, S.R ; Regelbrugge, J.C</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c383t-8318254121655c646d7bbae2be95dc28b59d7ca4614a1cb5ceeaa6c3b0bef6c63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1997</creationdate><topic>AGUA DEL SUELO</topic><topic>ANATOMIA DE LA PLANTA</topic><topic>ANATOMIE VEGETALE</topic><topic>Animal and plant ecology</topic><topic>Animal, plant and microbial ecology</topic><topic>ARCTOSTAPHYLOS PATULA</topic><topic>Autoecology</topic><topic>Biological and medical sciences</topic><topic>BIOLOGICAL COMPETITION</topic><topic>BIOLOGICAL DIFFERENCES</topic><topic>BIOLOGICAL RHYTHMS</topic><topic>CEANOTHUS SANGUINEUS</topic><topic>COMPETENCIA BIOLOGICA</topic><topic>COMPETICION VEGETAL</topic><topic>COMPETITION BIOLOGIQUE</topic><topic>COMPETITION VEGETALE</topic><topic>COMPETITIVE ABILITY</topic><topic>CONIFERALE</topic><topic>CONIFERALES</topic><topic>DIFERENCIAS BIOLOGICAS</topic><topic>DIFFERENCE BIOLOGIQUE</topic><topic>EAU DU SOL</topic><topic>ERICACEAE</topic><topic>ESTOMA</topic><topic>FEUILLE</topic><topic>Forestry</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>General forest ecology</topic><topic>Generalities. Production, biomass. Quality of wood and forest products. General forest ecology</topic><topic>HOJAS</topic><topic>HOLODISCUS DISCOLOR</topic><topic>LEAF AREA</topic><topic>LEAF CONDUCTANCE</topic><topic>LEAVES</topic><topic>MODELE</topic><topic>MODELOS</topic><topic>OREGON</topic><topic>PINOPSIDA</topic><topic>PLANT ANATOMY</topic><topic>PLANT COMPETITION</topic><topic>PLANT WATER RELATIONS</topic><topic>Plants and fungi</topic><topic>POTENCIAL HIDRICO DEL SUELO</topic><topic>POTENTIEL HYDRIQUE DU SOL</topic><topic>REGENERACION</topic><topic>REGENERATION</topic><topic>RELACIONES PLANTA AGUA</topic><topic>RELATION PLANTE EAU</topic><topic>RHAMNACEAE</topic><topic>RITMOS BIOLOGICOS</topic><topic>ROSACEAE</topic><topic>RYTHME BIOLOGIQUE</topic><topic>SEASONAL VARIATION</topic><topic>SOIL WATER</topic><topic>SOIL WATER POTENTIAL</topic><topic>SPECIES DIFFERENCES</topic><topic>STOMATA</topic><topic>STOMATE</topic><topic>SUPERFICIE FOLIAR</topic><topic>SURFACE FOLIAIRE</topic><topic>TEMPERATURA</topic><topic>TEMPERATURE</topic><topic>TRANSPIRACION</topic><topic>TRANSPIRATION</topic><topic>VARIACION ESTACIONAL</topic><topic>VARIATION SAISONNIERE</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Conard, S.G</creatorcontrib><creatorcontrib>Sparks, S.R</creatorcontrib><creatorcontrib>Regelbrugge, J.C</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Water Resources Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><jtitle>Forest science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Conard, S.G</au><au>Sparks, S.R</au><au>Regelbrugge, J.C</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Comparative plant water relations and soil water depletion patterns of three seral shrub species on forest sites in southwestern Oregon</atitle><jtitle>Forest science</jtitle><date>1997-08-01</date><risdate>1997</risdate><volume>43</volume><issue>3</issue><spage>336</spage><epage>347</epage><pages>336-347</pages><issn>0015-749X</issn><eissn>1938-3738</eissn><coden>FOSCAD</coden><abstract>We compared stomata conductance, transpiration, plant water potential, and soil moisture depletion patterns for three shrub species common on early seral forest sites in southwestern Oregon following logging or fire. Our goal was to determine which of these species were more likely to be the strongest competitors with regenerating conifers. The three species, Arctostaphylos patula Greene, Ceanothus sanguineus Pursh., and Holodiscus discolor (Pursh.) Maxim., were selected to represent a range in leaf morphology and expected water use patterns. Diurnal patterns of leaf conductance, plant water potential, and environmental parameters were measured throughout the growing season, along with seasonal patterns in soil moisture. As with any data obtained under ambient field conditions, environmental parameters and exact timing of measurements varied among shrubs. To better evaluate the response of individual species to common environmental parameters, we constructed models of leaf conductance based on field data and used these models to estimate responses of conductance and transpiration to averaged environmental conditions. This allowed us to better compare species responses to seasonal and diurnal trends in environmental variables. C. sanguineus typically had the highest transpiration rates per unit leaf area, and H. discolor the lowest; however, due to much higher leaf area indices of H. discolor, the two species depleted soil moisture at about the same rate. C. sanguineus and A. patula both had high predawn water potentials throughout the season, even when soil water potential at 1 m depth was less than -1.2 Mpa, suggesting that these species, but not H. discolor, had roots in deeper soil layers. We predict that the two deciduous species, C. sanguineus and H. discolor, will be stronger competitors for soil moisture than A. patula, at least in the top meter of soil. In contrast, A. patula and C. sanguineus are capable of depleting moisture from deeper in the soil</abstract><cop>Bethesda, MD</cop><pub>Society of American Foresters</pub><doi>10.1093/forestscience/43.3.336</doi><tpages>12</tpages><oa>free_for_read</oa></addata></record>
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source Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; Oxford University Press Journals All Titles (1996-Current)
subjects AGUA DEL SUELO
ANATOMIA DE LA PLANTA
ANATOMIE VEGETALE
Animal and plant ecology
Animal, plant and microbial ecology
ARCTOSTAPHYLOS PATULA
Autoecology
Biological and medical sciences
BIOLOGICAL COMPETITION
BIOLOGICAL DIFFERENCES
BIOLOGICAL RHYTHMS
CEANOTHUS SANGUINEUS
COMPETENCIA BIOLOGICA
COMPETICION VEGETAL
COMPETITION BIOLOGIQUE
COMPETITION VEGETALE
COMPETITIVE ABILITY
CONIFERALE
CONIFERALES
DIFERENCIAS BIOLOGICAS
DIFFERENCE BIOLOGIQUE
EAU DU SOL
ERICACEAE
ESTOMA
FEUILLE
Forestry
Fundamental and applied biological sciences. Psychology
General forest ecology
Generalities. Production, biomass. Quality of wood and forest products. General forest ecology
HOJAS
HOLODISCUS DISCOLOR
LEAF AREA
LEAF CONDUCTANCE
LEAVES
MODELE
MODELOS
OREGON
PINOPSIDA
PLANT ANATOMY
PLANT COMPETITION
PLANT WATER RELATIONS
Plants and fungi
POTENCIAL HIDRICO DEL SUELO
POTENTIEL HYDRIQUE DU SOL
REGENERACION
REGENERATION
RELACIONES PLANTA AGUA
RELATION PLANTE EAU
RHAMNACEAE
RITMOS BIOLOGICOS
ROSACEAE
RYTHME BIOLOGIQUE
SEASONAL VARIATION
SOIL WATER
SOIL WATER POTENTIAL
SPECIES DIFFERENCES
STOMATA
STOMATE
SUPERFICIE FOLIAR
SURFACE FOLIAIRE
TEMPERATURA
TEMPERATURE
TRANSPIRACION
TRANSPIRATION
VARIACION ESTACIONAL
VARIATION SAISONNIERE
title Comparative plant water relations and soil water depletion patterns of three seral shrub species on forest sites in southwestern Oregon
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