Root biomass, root distribution and the fine-root growth dynamics of Quercus coccifera L. in the garrigue of southern France
Identifieur interne : 000104 ( Istex/Corpus ); précédent : 000103; suivant : 000105Root biomass, root distribution and the fine-root growth dynamics of Quercus coccifera L. in the garrigue of southern France
Auteurs : Jochen Kummerow ; Margarete Kummerow ; Louis TrabaudSource :
- Vegetatio [ 0042-3106 ] ; 1990-05-01.
Abstract
Abstract: Quercus coccifera L., the characteristic scrub oak of the garrigue, covers more than 100,000 ha in southern France alone. Precipitation in this area averages 900 mm/year and summer rains are not rare. A total belowground biomass of 7.2 kg/m2, including rhizomes and lignotubers, was harvested. Roots were concentrated in the uppermost 50 cm of the soil. It was hypothesized that low winter temperatures inhibit active fine-root growth. This hypothesis was tested by means of fine-root extractions of soil samples from 0–50 cm depth from November 1987 to June 1988. Although the fine-root analysis could not be extended into late summer and fall, the data supported the hypothesis. Ratios of live/dead fine roots reached their minimum at 0.2–0.3 from December to April. They increased to 1.0–1.2 during late spring and early summer. Initiation of fine-root growth in early April was synchronous with bud break. Starch contents of roots, rhizomes, and lignotubers fluctuated from 4.3% in January to 8.3% in April. The starch stored in belowground organs of Q. coccifera in a closed canopy stand amounted to about 500 g/m2 in April. This amount declined to 400 g with bud burst and fine-root growth initiation.
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DOI: 10.1007/BF00045653
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Precipitation in this area averages 900 mm/year and summer rains are not rare. A total belowground biomass of 7.2 kg/m2, including rhizomes and lignotubers, was harvested. Roots were concentrated in the uppermost 50 cm of the soil. It was hypothesized that low winter temperatures inhibit active fine-root growth. This hypothesis was tested by means of fine-root extractions of soil samples from 0–50 cm depth from November 1987 to June 1988. Although the fine-root analysis could not be extended into late summer and fall, the data supported the hypothesis. Ratios of live/dead fine roots reached their minimum at 0.2–0.3 from December to April. They increased to 1.0–1.2 during late spring and early summer. Initiation of fine-root growth in early April was synchronous with bud break. Starch contents of roots, rhizomes, and lignotubers fluctuated from 4.3% in January to 8.3% in April. The starch stored in belowground organs of Q. coccifera in a closed canopy stand amounted to about 500 g/m2 in April. This amount declined to 400 g with bud burst and fine-root growth initiation.</div></front></TEI><istex><corpusName>springer</corpusName><author><json:item><name>Jochen Kummerow</name><affiliations><json:string>Biology Department, San Diego State University, 92182, San Diego, California, U.S.A.</json:string><json:string>Systems Ecology Research Group, San Diego State University, 92182, San Diego, California, U.S.A.</json:string></affiliations></json:item><json:item><name>Margarete Kummerow</name><affiliations><json:string>Biology Department, San Diego State University, 92182, San Diego, California, U.S.A.</json:string><json:string>Systems Ecology Research Group, San Diego State University, 92182, San Diego, California, U.S.A.</json:string></affiliations></json:item><json:item><name>Louis Trabaud</name><affiliations><json:string>Section d'Etudes des Systèmes Ecologiques, C.N.R.S., Centre Louis Emberger, B.P. 5051, 34033, Montpellier, France</json:string></affiliations></json:item></author><articleId><json:string>BF00045653</json:string><json:string>Art5</json:string></articleId><language><json:string>eng</json:string></language><originalGenre><json:string>OriginalPaper</json:string></originalGenre><abstract>Abstract: Quercus coccifera L., the characteristic scrub oak of the garrigue, covers more than 100,000 ha in southern France alone. Precipitation in this area averages 900 mm/year and summer rains are not rare. A total belowground biomass of 7.2 kg/m2, including rhizomes and lignotubers, was harvested. Roots were concentrated in the uppermost 50 cm of the soil. It was hypothesized that low winter temperatures inhibit active fine-root growth. This hypothesis was tested by means of fine-root extractions of soil samples from 0–50 cm depth from November 1987 to June 1988. Although the fine-root analysis could not be extended into late summer and fall, the data supported the hypothesis. Ratios of live/dead fine roots reached their minimum at 0.2–0.3 from December to April. They increased to 1.0–1.2 during late spring and early summer. Initiation of fine-root growth in early April was synchronous with bud break. Starch contents of roots, rhizomes, and lignotubers fluctuated from 4.3% in January to 8.3% in April. The starch stored in belowground organs of Q. coccifera in a closed canopy stand amounted to about 500 g/m2 in April. This amount declined to 400 g with bud burst and fine-root growth initiation.</abstract><qualityIndicators><score>5.868</score><pdfVersion>1.3</pdfVersion><pdfPageSize>555 x 735 pts</pdfPageSize><refBibsNative>false</refBibsNative><keywordCount>0</keywordCount><abstractCharCount>1217</abstractCharCount><pdfWordCount>3540</pdfWordCount><pdfCharCount>20832</pdfCharCount><pdfPageCount>8</pdfPageCount><abstractWordCount>194</abstractWordCount></qualityIndicators><title>Root biomass, root distribution and the fine-root growth dynamics of Quercus coccifera L. in the garrigue of southern France</title><refBibs><json:item><author><json:item><name>M,M Caldwell</name></json:item><json:item><name>O,A Fernandez</name></json:item></author><host><pages><last>51</last><first>38</first></pages><author></author><title>Environmental physiology of desert organisms</title><publicationDate>1975</publicationDate></host><title>Dynamics of Great Basin shrub root systems</title><publicationDate>1975</publicationDate></json:item><json:item><author><json:item><name>Di Castri</name></json:item><json:item><name>F </name></json:item></author><host><pages><last>43</last><first>1</first></pages><author></author><title>Mediterranean-type shrublands</title><publicationDate>1981</publicationDate></host><title>Mediterranean-type shrublands of the world</title><publicationDate>1981</publicationDate></json:item><json:item><author><json:item><name>R Fogel</name></json:item></author><host><pages><last>35</last><first>23</first></pages><author></author><title>Ecological interactions in soil</title><publicationDate>1985</publicationDate></host><title>Roots as primary producers in belowground ecosystems</title><publicationDate>1985</publicationDate></json:item><json:item><author><json:item><name>R Fogel</name></json:item><json:item><name>G Hunt</name></json:item></author><host><volume>13</volume><pages><last>232</last><first>219</first></pages><author></author><title>Can. 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garrigue of southern France</title><author xml:id="author-1"><persName><forename type="first">Jochen</forename><surname>Kummerow</surname></persName><affiliation>Biology Department, San Diego State University, 92182, San Diego, California, U.S.A.</affiliation><affiliation>Systems Ecology Research Group, San Diego State University, 92182, San Diego, California, U.S.A.</affiliation></author><author xml:id="author-2"><persName><forename type="first">Margarete</forename><surname>Kummerow</surname></persName><affiliation>Biology Department, San Diego State University, 92182, San Diego, California, U.S.A.</affiliation><affiliation>Systems Ecology Research Group, San Diego State University, 92182, San Diego, California, U.S.A.</affiliation></author><author xml:id="author-3"><persName><forename type="first">Louis</forename><surname>Trabaud</surname></persName><affiliation>Section d'Etudes des Systèmes Ecologiques, C.N.R.S., Centre Louis Emberger, B.P. 5051, 34033, Montpellier, 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xml:lang="en"><p>Abstract: Quercus coccifera L., the characteristic scrub oak of the garrigue, covers more than 100,000 ha in southern France alone. Precipitation in this area averages 900 mm/year and summer rains are not rare. A total belowground biomass of 7.2 kg/m2, including rhizomes and lignotubers, was harvested. Roots were concentrated in the uppermost 50 cm of the soil. It was hypothesized that low winter temperatures inhibit active fine-root growth. This hypothesis was tested by means of fine-root extractions of soil samples from 0–50 cm depth from November 1987 to June 1988. Although the fine-root analysis could not be extended into late summer and fall, the data supported the hypothesis. Ratios of live/dead fine roots reached their minimum at 0.2–0.3 from December to April. They increased to 1.0–1.2 during late spring and early summer. Initiation of fine-root growth in early April was synchronous with bud break. Starch contents of roots, rhizomes, and lignotubers fluctuated from 4.3% in January to 8.3% in April. The starch stored in belowground organs of Q. coccifera in a closed canopy stand amounted to about 500 g/m2 in April. This amount declined to 400 g with bud burst and fine-root growth initiation.</p></abstract><textClass><keywords scheme="Journal Subject"><list><head>Life Sciences</head><item><term>Plant Sciences</term></item></list></keywords></textClass></profileDesc><revisionDesc><change when="1990-05-01">Published</change><change xml:id="refBibs-istex" who="#ISTEX-API" when="2016-11-22">References added</change><change xml:id="refBibs-istex" who="#ISTEX-API" when="2017-01-20">References added</change></revisionDesc></teiHeader></istex:fulltextTEI><json:item><extension>txt</extension><original>false</original><mimetype>text/plain</mimetype><uri>https://api.istex.fr/document/1B6C60FB85D362C62CBB0876A845829019518693/fulltext/txt</uri></json:item></fulltext><metadata><istex:metadataXml wicri:clean="Springer, Publisher found" wicri:toSee="no header"><istex:xmlDeclaration>version="1.0" encoding="UTF-8"</istex:xmlDeclaration><istex:docType PUBLIC="-//Springer-Verlag//DTD A++ V2.4//EN" URI="http://devel.springer.de/A++/V2.4/DTD/A++V2.4.dtd" name="istex:docType"></istex:docType><istex:document><Publisher><PublisherInfo><PublisherName>Kluwer Academic Publishers</PublisherName><PublisherLocation>Dordrecht</PublisherLocation></PublisherInfo><Journal><JournalInfo JournalProductType="ArchiveJournal" NumberingStyle="Unnumbered"><JournalID>11258</JournalID><JournalPrintISSN>0042-3106</JournalPrintISSN><JournalElectronicISSN>1573-5052</JournalElectronicISSN><JournalTitle>Vegetatio</JournalTitle><JournalAbbreviatedTitle>Vegetatio</JournalAbbreviatedTitle><JournalSubjectGroup><JournalSubject Type="Primary">Life Sciences</JournalSubject><JournalSubject Type="Secondary">Plant Sciences</JournalSubject></JournalSubjectGroup></JournalInfo><Volume><VolumeInfo VolumeType="Regular" TocLevels="0"><VolumeIDStart>87</VolumeIDStart><VolumeIDEnd>87</VolumeIDEnd><VolumeIssueCount>2</VolumeIssueCount></VolumeInfo><Issue IssueType="Regular"><IssueInfo TocLevels="0"><IssueIDStart>1</IssueIDStart><IssueIDEnd>1</IssueIDEnd><IssueArticleCount>11</IssueArticleCount><IssueHistory><CoverDate><Year>1990</Year><Month>5</Month></CoverDate></IssueHistory><IssueCopyright><CopyrightHolderName>Kluwer Academic Publishers</CopyrightHolderName><CopyrightYear>1990</CopyrightYear></IssueCopyright></IssueInfo><Article ID="Art5"><ArticleInfo Language="En" ArticleType="OriginalPaper" NumberingStyle="Unnumbered" TocLevels="0" ContainsESM="No"><ArticleID>BF00045653</ArticleID><ArticleDOI>10.1007/BF00045653</ArticleDOI><ArticleSequenceNumber>5</ArticleSequenceNumber><ArticleTitle Language="En">Root biomass, root distribution and the fine-root growth dynamics of <Emphasis Type="Italic">Quercus coccifera</Emphasis> L. in the garrigue of southern France</ArticleTitle><ArticleFirstPage>37</ArticleFirstPage><ArticleLastPage>44</ArticleLastPage><ArticleHistory><RegistrationDate><Year>2004</Year><Month>4</Month><Day>30</Day></RegistrationDate><Accepted><Year>1990</Year><Month>4</Month><Day>3</Day></Accepted></ArticleHistory><ArticleCopyright><CopyrightHolderName>Kluwer Academic Publishers</CopyrightHolderName><CopyrightYear>1990</CopyrightYear></ArticleCopyright><ArticleGrants Type="Regular"><MetadataGrant Grant="OpenAccess"></MetadataGrant><AbstractGrant Grant="OpenAccess"></AbstractGrant><BodyPDFGrant Grant="Restricted"></BodyPDFGrant><BodyHTMLGrant Grant="Restricted"></BodyHTMLGrant><BibliographyGrant Grant="Restricted"></BibliographyGrant><ESMGrant Grant="Restricted"></ESMGrant></ArticleGrants><ArticleContext><JournalID>11258</JournalID><VolumeIDStart>87</VolumeIDStart><VolumeIDEnd>87</VolumeIDEnd><IssueIDStart>1</IssueIDStart><IssueIDEnd>1</IssueIDEnd></ArticleContext></ArticleInfo><ArticleHeader><AuthorGroup><Author AffiliationIDS="Aff1 Aff2"><AuthorName DisplayOrder="Western"><GivenName>Jochen</GivenName><FamilyName>Kummerow</FamilyName></AuthorName></Author><Author AffiliationIDS="Aff1 Aff2"><AuthorName DisplayOrder="Western"><GivenName>Margarete</GivenName><FamilyName>Kummerow</FamilyName></AuthorName></Author><Author AffiliationIDS="Aff3"><AuthorName DisplayOrder="Western"><GivenName>Louis</GivenName><FamilyName>Trabaud</FamilyName></AuthorName></Author><Affiliation ID="Aff1"><OrgDivision>Biology Department</OrgDivision><OrgName>San Diego State University</OrgName><OrgAddress><Postcode>92182</Postcode><City>San Diego</City><State>California</State><Country>U.S.A.</Country></OrgAddress></Affiliation><Affiliation ID="Aff2"><OrgDivision>Systems Ecology Research Group</OrgDivision><OrgName>San Diego State University</OrgName><OrgAddress><Postcode>92182</Postcode><City>San Diego</City><State>California</State><Country>U.S.A.</Country></OrgAddress></Affiliation><Affiliation ID="Aff3"><OrgDivision>Section d'Etudes des Systèmes Ecologiques, C.N.R.S.</OrgDivision><OrgName>Centre Louis Emberger</OrgName><OrgAddress><Postbox>B.P. 5051</Postbox><Postcode>34033</Postcode><City>Montpellier</City><Country>France</Country></OrgAddress></Affiliation></AuthorGroup><Abstract ID="Abs1" Language="En"><Heading>Abstract</Heading><Para><Emphasis Type="Italic">Quercus coccifera</Emphasis> L., the characteristic scrub oak of the garrigue, covers more than 100,000 ha in southern France alone. Precipitation in this area averages 900 mm/year and summer rains are not rare. A total belowground biomass of 7.2 kg/m<Superscript>2</Superscript>, including rhizomes and lignotubers, was harvested. Roots were concentrated in the uppermost 50 cm of the soil. It was hypothesized that low winter temperatures inhibit active fine-root growth. This hypothesis was tested by means of fine-root extractions of soil samples from 0–50 cm depth from November 1987 to June 1988. Although the fine-root analysis could not be extended into late summer and fall, the data supported the hypothesis. Ratios of live/dead fine roots reached their minimum at 0.2–0.3 from December to April. They increased to 1.0–1.2 during late spring and early summer. Initiation of fine-root growth in early April was synchronous with bud break. Starch contents of roots, rhizomes, and lignotubers fluctuated from 4.3% in January to 8.3% in April. The starch stored in belowground organs of <Emphasis Type="Italic">Q. coccifera</Emphasis> in a closed canopy stand amounted to about 500 g/m<Superscript>2</Superscript> in April. This amount declined to 400 g with bud burst and fine-root growth initiation.</Para></Abstract><KeywordGroup Language="En"><Heading>Keywords</Heading><Keyword>Lignotubers</Keyword><Keyword>Mediterranean-type ecosystems</Keyword><Keyword>Root excavation</Keyword><Keyword>Starch contents</Keyword></KeywordGroup></ArticleHeader><NoBody></NoBody></Article></Issue></Volume></Journal></Publisher></istex:document></istex:metadataXml><mods version="3.6"><titleInfo lang="en"><title>Root biomass, root distribution and the fine-root growth dynamics of Quercus coccifera L. in the garrigue of southern France</title></titleInfo><titleInfo type="alternative" contentType="CDATA" lang="en"><title>Root biomass, root distribution and the fine-root growth dynamics of Quercus coccifera L. in the garrigue of southern France</title></titleInfo><name type="personal"><namePart type="given">Jochen</namePart><namePart type="family">Kummerow</namePart><affiliation>Biology Department, San Diego State University, 92182, San Diego, California, U.S.A.</affiliation><affiliation>Systems Ecology Research Group, San Diego State University, 92182, San Diego, California, U.S.A.</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Margarete</namePart><namePart type="family">Kummerow</namePart><affiliation>Biology Department, San Diego State University, 92182, San Diego, California, U.S.A.</affiliation><affiliation>Systems Ecology Research Group, San Diego State University, 92182, San Diego, California, U.S.A.</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Louis</namePart><namePart type="family">Trabaud</namePart><affiliation>Section d'Etudes des Systèmes Ecologiques, C.N.R.S., Centre Louis Emberger, B.P. 5051, 34033, Montpellier, France</affiliation><role><roleTerm type="text">author</roleTerm></role></name><typeOfResource>text</typeOfResource><genre type="research-article" displayLabel="OriginalPaper"></genre><originInfo><publisher>Kluwer Academic Publishers</publisher><place><placeTerm type="text">Dordrecht</placeTerm></place><dateIssued encoding="w3cdtf">1990-05-01</dateIssued><copyrightDate encoding="w3cdtf">1990</copyrightDate></originInfo><language><languageTerm type="code" authority="rfc3066">en</languageTerm><languageTerm type="code" authority="iso639-2b">eng</languageTerm></language><physicalDescription><internetMediaType>text/html</internetMediaType></physicalDescription><abstract lang="en">Abstract: Quercus coccifera L., the characteristic scrub oak of the garrigue, covers more than 100,000 ha in southern France alone. Precipitation in this area averages 900 mm/year and summer rains are not rare. A total belowground biomass of 7.2 kg/m2, including rhizomes and lignotubers, was harvested. Roots were concentrated in the uppermost 50 cm of the soil. It was hypothesized that low winter temperatures inhibit active fine-root growth. This hypothesis was tested by means of fine-root extractions of soil samples from 0–50 cm depth from November 1987 to June 1988. Although the fine-root analysis could not be extended into late summer and fall, the data supported the hypothesis. Ratios of live/dead fine roots reached their minimum at 0.2–0.3 from December to April. They increased to 1.0–1.2 during late spring and early summer. Initiation of fine-root growth in early April was synchronous with bud break. Starch contents of roots, rhizomes, and lignotubers fluctuated from 4.3% in January to 8.3% in April. The starch stored in belowground organs of Q. coccifera in a closed canopy stand amounted to about 500 g/m2 in April. This amount declined to 400 g with bud burst and fine-root growth initiation.</abstract><relatedItem type="host"><titleInfo><title>Vegetatio</title></titleInfo><titleInfo type="abbreviated"><title>Vegetatio</title></titleInfo><genre type="journal" displayLabel="Archive Journal"></genre><originInfo><dateIssued encoding="w3cdtf">1990-05-01</dateIssued><copyrightDate encoding="w3cdtf">1990</copyrightDate></originInfo><subject><genre>Life Sciences</genre><topic>Plant Sciences</topic></subject><identifier type="ISSN">0042-3106</identifier><identifier type="eISSN">1573-5052</identifier><identifier type="JournalID">11258</identifier><identifier type="IssueArticleCount">11</identifier><identifier type="VolumeIssueCount">2</identifier><part><date>1990</date><detail type="volume"><number>87</number><caption>vol.</caption></detail><detail type="issue"><number>1</number><caption>no.</caption></detail><extent unit="pages"><start>37</start><end>44</end></extent></part><recordInfo><recordOrigin>Kluwer Academic Publishers, 1990</recordOrigin></recordInfo></relatedItem><identifier type="istex">1B6C60FB85D362C62CBB0876A845829019518693</identifier><identifier type="DOI">10.1007/BF00045653</identifier><identifier type="ArticleID">BF00045653</identifier><identifier type="ArticleID">Art5</identifier><accessCondition type="use and reproduction" contentType="copyright">Kluwer Academic Publishers, 1990</accessCondition><recordInfo><recordContentSource>SPRINGER</recordContentSource><recordOrigin>Kluwer Academic Publishers, 1990</recordOrigin></recordInfo></mods></metadata><serie></serie></istex></record>Pour manipuler ce document sous Unix (Dilib)
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