vertical and horizontal distribution of roots in northern hardwood stands of varying age
Coring methods cannot reveal the distribution of roots with depth in rocky soil, and fine roots are typically sampled without regard to the location of trees. We used quantitative soil pits to describe rooting patterns with soil depth and distance to trees in northern hardwood stands. We sited three...
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| Veröffentlicht in: | Canadian journal of forest research 2006-02, Vol.36 (2), p.450-459 |
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| creator | Yanai, R.D Park, B.B Hamburg, S.P |
| description | Coring methods cannot reveal the distribution of roots with depth in rocky soil, and fine roots are typically sampled without regard to the location of trees. We used quantitative soil pits to describe rooting patterns with soil depth and distance to trees in northern hardwood stands. We sited three 0.5 m2 quantitative soil pits in each of three young (19-27 years) and three older (56-69 years) stands developed after clear-cutting. Live roots were divided into diameter classes delimited at 0.5, 1, 2, 5, 10, 20, and 100 mm; dead roots were not distinguished by size. Mean total live-root biomass was 2900 ± 500 g·m-2 in older stands and 1500 ± 400 g·m-2 in young stands. The root mass in the 2-20 mm class was 2.7 times greater in the older stands (p = 0.03); fine-root ( |
| doi_str_mv | 10.1139/x05-254 |
| format | Article |
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We used quantitative soil pits to describe rooting patterns with soil depth and distance to trees in northern hardwood stands. We sited three 0.5 m2 quantitative soil pits in each of three young (19-27 years) and three older (56-69 years) stands developed after clear-cutting. Live roots were divided into diameter classes delimited at 0.5, 1, 2, 5, 10, 20, and 100 mm; dead roots were not distinguished by size. Mean total live-root biomass was 2900 ± 500 g·m-2 in older stands and 1500 ± 400 g·m-2 in young stands. The root mass in the 2-20 mm class was 2.7 times greater in the older stands (p = 0.03); fine-root (<2 mm) biomass was 1.5 times greater (p = 0.12), suggesting that fine-root biomass continues to increase past the age of canopy closure in this forest type. Root biomass density declined with soil depth, with the finest roots (<0.5 mm) declining most steeply; roots were found at low densities well into the C horizon. We analyzed root biomass density as a function of the influence of nearby trees (represented as the sum of basal area divided by the distance from the pit) and found that fine as well as coarse roots reflected this influence. In systems where this is the case, root measurements should be made with attention to patterns of tree distribution.</description><identifier>ISSN: 0045-5067</identifier><identifier>EISSN: 1208-6037</identifier><identifier>DOI: 10.1139/x05-254</identifier><identifier>CODEN: CJFRAR</identifier><language>eng</language><publisher>Ottawa, Canada: NRC Research Press</publisher><subject>age structure ; Agronomy. Soil science and plant productions ; Animal, plant and microbial ecology ; Biochemistry and biology ; Biological and medical sciences ; Biomass ; boreal forests ; Chemical, physicochemical, biochemical and biological properties ; Clearcutting ; coniferous forests ; Deciduous forests ; depth ; dry matter partitioning ; Ecosystem studies ; forest stands ; forest trees ; Fundamental and applied biological sciences. Psychology ; General aspects. Techniques ; Generalities ; hardwood ; measurement ; Methods ; Methods and techniques (sampling, tagging, trapping, modelling...) ; Physics, chemistry, biochemistry and biology of agricultural and forest soils ; Pseudotsuga menziesii ; root growth ; root systems ; Roots ; Roots (Botany) ; Samples ; soil ; Soil depth ; soil pits ; Soil science ; soil structure ; Soils ; stand density ; stand structure ; tree age ; tree and stand measurements ; Trees ; volume</subject><ispartof>Canadian journal of forest research, 2006-02, Vol.36 (2), p.450-459</ispartof><rights>2007 INIST-CNRS</rights><rights>COPYRIGHT 2006 NRC Research Press</rights><rights>Copyright National Research Council of Canada Feb 2006</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c641t-c4ddac7ea3445580d854d74edf702a578aefc28cde978aa1311173e7f4fb856d3</citedby><cites>FETCH-LOGICAL-c641t-c4ddac7ea3445580d854d74edf702a578aefc28cde978aa1311173e7f4fb856d3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27923,27924</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=17732701$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Yanai, R.D</creatorcontrib><creatorcontrib>Park, B.B</creatorcontrib><creatorcontrib>Hamburg, S.P</creatorcontrib><title>vertical and horizontal distribution of roots in northern hardwood stands of varying age</title><title>Canadian journal of forest research</title><addtitle>Revue canadienne de recherche forestière</addtitle><description>Coring methods cannot reveal the distribution of roots with depth in rocky soil, and fine roots are typically sampled without regard to the location of trees. We used quantitative soil pits to describe rooting patterns with soil depth and distance to trees in northern hardwood stands. We sited three 0.5 m2 quantitative soil pits in each of three young (19-27 years) and three older (56-69 years) stands developed after clear-cutting. Live roots were divided into diameter classes delimited at 0.5, 1, 2, 5, 10, 20, and 100 mm; dead roots were not distinguished by size. Mean total live-root biomass was 2900 ± 500 g·m-2 in older stands and 1500 ± 400 g·m-2 in young stands. The root mass in the 2-20 mm class was 2.7 times greater in the older stands (p = 0.03); fine-root (<2 mm) biomass was 1.5 times greater (p = 0.12), suggesting that fine-root biomass continues to increase past the age of canopy closure in this forest type. Root biomass density declined with soil depth, with the finest roots (<0.5 mm) declining most steeply; roots were found at low densities well into the C horizon. We analyzed root biomass density as a function of the influence of nearby trees (represented as the sum of basal area divided by the distance from the pit) and found that fine as well as coarse roots reflected this influence. In systems where this is the case, root measurements should be made with attention to patterns of tree distribution.</description><subject>age structure</subject><subject>Agronomy. Soil science and plant productions</subject><subject>Animal, plant and microbial ecology</subject><subject>Biochemistry and biology</subject><subject>Biological and medical sciences</subject><subject>Biomass</subject><subject>boreal forests</subject><subject>Chemical, physicochemical, biochemical and biological properties</subject><subject>Clearcutting</subject><subject>coniferous forests</subject><subject>Deciduous forests</subject><subject>depth</subject><subject>dry matter partitioning</subject><subject>Ecosystem studies</subject><subject>forest stands</subject><subject>forest trees</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>General aspects. Techniques</subject><subject>Generalities</subject><subject>hardwood</subject><subject>measurement</subject><subject>Methods</subject><subject>Methods and techniques (sampling, tagging, trapping, modelling...)</subject><subject>Physics, chemistry, biochemistry and biology of agricultural and forest soils</subject><subject>Pseudotsuga menziesii</subject><subject>root growth</subject><subject>root systems</subject><subject>Roots</subject><subject>Roots (Botany)</subject><subject>Samples</subject><subject>soil</subject><subject>Soil depth</subject><subject>soil pits</subject><subject>Soil science</subject><subject>soil structure</subject><subject>Soils</subject><subject>stand density</subject><subject>stand structure</subject><subject>tree age</subject><subject>tree and stand measurements</subject><subject>Trees</subject><subject>volume</subject><issn>0045-5067</issn><issn>1208-6037</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2006</creationdate><recordtype>article</recordtype><sourceid>8G5</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><sourceid>GUQSH</sourceid><sourceid>M2O</sourceid><recordid>eNqV0ltrFDEUAOBBFFyr-BMcBCsKU5NJMpl9LMVLoShYC76F0-RkNmU22SaZ3n69WXbBrlRB8pALX84JJ6eqXlJyQCmbf7ghomkFf1TNaEv6piNMPq5mhHDRCNLJp9WzlC4IIaxjZFb9vMKYnYaxBm_qRYjuLvhctsalHN35lF3wdbB1DCGn2vnah5gXGH29gGiuQzB1yuVuWqMriLfODzUM-Lx6YmFM-GI771Vnnz7-OPrSnHz7fHx0eNLojtPcaG4MaInAOBeiJ6YX3EiOxkrSgpA9oNVtrw3Oyxooo5RKhtJye96LzrC9an8TdxXD5YQpq6VLGscRPIYpKSqJFIK0Bb7-A16EKfryNtUyItp1cQpqNmiAEZXzNuQIekCPEcbg0bpyfEh530op-L2gO16v3KW6jw4eQGUYXDr9YNR3OxeKyXiTB5hSUsen3__Dft21bzdWx5BSRKtW0S3LnylK1Lp5VGkeVZqnyDfbYkEqzWEjeO3Sby4layWhxb3fOB91xIQQ9eIfQff_jrdIrYwt8NUGWggKhlgyn522JR2hlLB5x9kv9IzlKQ</recordid><startdate>20060201</startdate><enddate>20060201</enddate><creator>Yanai, R.D</creator><creator>Park, B.B</creator><creator>Hamburg, S.P</creator><general>NRC Research Press</general><general>National Research Council of Canada</general><general>Canadian Science Publishing NRC Research Press</general><scope>FBQ</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>ISN</scope><scope>ISR</scope><scope>3V.</scope><scope>7RQ</scope><scope>7SN</scope><scope>7SS</scope><scope>7T7</scope><scope>7X2</scope><scope>7XB</scope><scope>88I</scope><scope>8AF</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>8FH</scope><scope>8FK</scope><scope>8FQ</scope><scope>8FV</scope><scope>8G5</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FR3</scope><scope>GNUQQ</scope><scope>GUQSH</scope><scope>HCIFZ</scope><scope>L6V</scope><scope>M0K</scope><scope>M2O</scope><scope>M2P</scope><scope>M3G</scope><scope>M7S</scope><scope>MBDVC</scope><scope>P64</scope><scope>PATMY</scope><scope>PCBAR</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PTHSS</scope><scope>PYCSY</scope><scope>Q9U</scope><scope>RC3</scope><scope>U9A</scope></search><sort><creationdate>20060201</creationdate><title>vertical and horizontal distribution of roots in northern hardwood stands of varying age</title><author>Yanai, R.D ; Park, B.B ; Hamburg, S.P</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c641t-c4ddac7ea3445580d854d74edf702a578aefc28cde978aa1311173e7f4fb856d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2006</creationdate><topic>age structure</topic><topic>Agronomy. Soil science and plant productions</topic><topic>Animal, plant and microbial ecology</topic><topic>Biochemistry and biology</topic><topic>Biological and medical sciences</topic><topic>Biomass</topic><topic>boreal forests</topic><topic>Chemical, physicochemical, biochemical and biological properties</topic><topic>Clearcutting</topic><topic>coniferous forests</topic><topic>Deciduous forests</topic><topic>depth</topic><topic>dry matter partitioning</topic><topic>Ecosystem studies</topic><topic>forest stands</topic><topic>forest trees</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>General aspects. Techniques</topic><topic>Generalities</topic><topic>hardwood</topic><topic>measurement</topic><topic>Methods</topic><topic>Methods and techniques (sampling, tagging, trapping, modelling...)</topic><topic>Physics, chemistry, biochemistry and biology of agricultural and forest soils</topic><topic>Pseudotsuga menziesii</topic><topic>root growth</topic><topic>root systems</topic><topic>Roots</topic><topic>Roots (Botany)</topic><topic>Samples</topic><topic>soil</topic><topic>Soil depth</topic><topic>soil pits</topic><topic>Soil science</topic><topic>soil structure</topic><topic>Soils</topic><topic>stand density</topic><topic>stand structure</topic><topic>tree age</topic><topic>tree and stand measurements</topic><topic>Trees</topic><topic>volume</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yanai, R.D</creatorcontrib><creatorcontrib>Park, B.B</creatorcontrib><creatorcontrib>Hamburg, S.P</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Gale In Context: Canada</collection><collection>Gale In Context: Science</collection><collection>ProQuest Central (Corporate)</collection><collection>Career & Technical Education Database</collection><collection>Ecology Abstracts</collection><collection>Entomology Abstracts (Full archive)</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Agricultural Science Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Science Database (Alumni Edition)</collection><collection>STEM Database</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>Canadian Business & Current Affairs Database</collection><collection>Canadian Business & Current Affairs Database (Alumni Edition)</collection><collection>Research Library (Alumni Edition)</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest One Sustainability</collection><collection>ProQuest Central UK/Ireland</collection><collection>Agricultural & Environmental Science Collection</collection><collection>ProQuest Central Essentials</collection><collection>eLibrary</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>Natural Science Collection</collection><collection>Earth, Atmospheric & Aquatic Science Collection</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Engineering Research Database</collection><collection>ProQuest Central Student</collection><collection>Research Library Prep</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Engineering Collection</collection><collection>Agricultural Science Database</collection><collection>Research Library</collection><collection>Science Database</collection><collection>CBCA Reference & Current Events</collection><collection>Engineering Database</collection><collection>Research Library (Corporate)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Environmental Science Database</collection><collection>Earth, Atmospheric & Aquatic Science Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>Engineering Collection</collection><collection>Environmental Science Collection</collection><collection>ProQuest Central Basic</collection><collection>Genetics Abstracts</collection><jtitle>Canadian journal of forest research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Yanai, R.D</au><au>Park, B.B</au><au>Hamburg, S.P</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>vertical and horizontal distribution of roots in northern hardwood stands of varying age</atitle><jtitle>Canadian journal of forest research</jtitle><addtitle>Revue canadienne de recherche forestière</addtitle><date>2006-02-01</date><risdate>2006</risdate><volume>36</volume><issue>2</issue><spage>450</spage><epage>459</epage><pages>450-459</pages><issn>0045-5067</issn><eissn>1208-6037</eissn><coden>CJFRAR</coden><abstract>Coring methods cannot reveal the distribution of roots with depth in rocky soil, and fine roots are typically sampled without regard to the location of trees. We used quantitative soil pits to describe rooting patterns with soil depth and distance to trees in northern hardwood stands. We sited three 0.5 m2 quantitative soil pits in each of three young (19-27 years) and three older (56-69 years) stands developed after clear-cutting. Live roots were divided into diameter classes delimited at 0.5, 1, 2, 5, 10, 20, and 100 mm; dead roots were not distinguished by size. Mean total live-root biomass was 2900 ± 500 g·m-2 in older stands and 1500 ± 400 g·m-2 in young stands. The root mass in the 2-20 mm class was 2.7 times greater in the older stands (p = 0.03); fine-root (<2 mm) biomass was 1.5 times greater (p = 0.12), suggesting that fine-root biomass continues to increase past the age of canopy closure in this forest type. Root biomass density declined with soil depth, with the finest roots (<0.5 mm) declining most steeply; roots were found at low densities well into the C horizon. We analyzed root biomass density as a function of the influence of nearby trees (represented as the sum of basal area divided by the distance from the pit) and found that fine as well as coarse roots reflected this influence. In systems where this is the case, root measurements should be made with attention to patterns of tree distribution.</abstract><cop>Ottawa, Canada</cop><pub>NRC Research Press</pub><doi>10.1139/x05-254</doi><tpages>10</tpages></addata></record> |
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| ispartof | Canadian journal of forest research, 2006-02, Vol.36 (2), p.450-459 |
| issn | 0045-5067 1208-6037 |
| language | eng |
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| source | Alma/SFX Local Collection |
| subjects | age structure Agronomy. Soil science and plant productions Animal, plant and microbial ecology Biochemistry and biology Biological and medical sciences Biomass boreal forests Chemical, physicochemical, biochemical and biological properties Clearcutting coniferous forests Deciduous forests depth dry matter partitioning Ecosystem studies forest stands forest trees Fundamental and applied biological sciences. Psychology General aspects. Techniques Generalities hardwood measurement Methods Methods and techniques (sampling, tagging, trapping, modelling...) Physics, chemistry, biochemistry and biology of agricultural and forest soils Pseudotsuga menziesii root growth root systems Roots Roots (Botany) Samples soil Soil depth soil pits Soil science soil structure Soils stand density stand structure tree age tree and stand measurements Trees volume |
| title | vertical and horizontal distribution of roots in northern hardwood stands of varying age |
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