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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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 |
doi_str_mv | 10.1093/forestscience/43.3.336 |
format | Article |
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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</description><identifier>ISSN: 0015-749X</identifier><identifier>EISSN: 1938-3738</identifier><identifier>DOI: 10.1093/forestscience/43.3.336</identifier><identifier>CODEN: FOSCAD</identifier><language>eng</language><publisher>Bethesda, MD: Society of American Foresters</publisher><subject>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</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&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. In contrast, A. patula and C. sanguineus are capable of depleting moisture from deeper in the soil</description><subject>AGUA DEL SUELO</subject><subject>ANATOMIA DE LA PLANTA</subject><subject>ANATOMIE VEGETALE</subject><subject>Animal and plant ecology</subject><subject>Animal, plant and microbial ecology</subject><subject>ARCTOSTAPHYLOS PATULA</subject><subject>Autoecology</subject><subject>Biological and medical sciences</subject><subject>BIOLOGICAL COMPETITION</subject><subject>BIOLOGICAL DIFFERENCES</subject><subject>BIOLOGICAL RHYTHMS</subject><subject>CEANOTHUS SANGUINEUS</subject><subject>COMPETENCIA BIOLOGICA</subject><subject>COMPETICION VEGETAL</subject><subject>COMPETITION BIOLOGIQUE</subject><subject>COMPETITION VEGETALE</subject><subject>COMPETITIVE ABILITY</subject><subject>CONIFERALE</subject><subject>CONIFERALES</subject><subject>DIFERENCIAS BIOLOGICAS</subject><subject>DIFFERENCE BIOLOGIQUE</subject><subject>EAU DU SOL</subject><subject>ERICACEAE</subject><subject>ESTOMA</subject><subject>FEUILLE</subject><subject>Forestry</subject><subject>Fundamental and applied biological sciences. 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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