Analysis of some direct and indirect methods for estimating root biomass and production of forests at an ecosystem level
The relationship of global climate change to plant growth and the role of forests as sites of carbon sequestration have encouraged the refinement of the estimates of root biomass and production. However, tremendous controversy exists in the literature as to which is the best method to determine fine...
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description | The relationship of global climate change to plant growth and the role of forests as sites of carbon sequestration have encouraged the refinement of the estimates of root biomass and production. However, tremendous controversy exists in the literature as to which is the best method to determine fine root biomass and production. This lack of consensus makes it difficult for researchers to determine which methods are most appropriate for their system. The sequential root coring method was the most commonly used method to collect root biomass data in the past and is still commonly used. But within the last decade the use of minirhizotrons has become a favorite method of many researchers. In addition, due to the high labor-intensive requirements of many of the direct approaches to determine root biomass, there has been a shift to develop indirect methods that would allow fine root biomass and production to be predicted using data on easily monitored variables that are highly correlated to root dynamics. Discussions occur as to which method should be used but without gathering data from the same site using different methods, these discussions can be futile. This paper discusses and compares the results of the most commonly used direct and indirect methods of determining root biomass and production: sequential root coring, ingrowth cores, minirhizotrons, carbon fluxes approach, nitrogen budget approach and correlations with abiotic resources. No consistent relationships were apparent when comparing several sites where at least one of the indirect and direct methods were used on the same site. Until the different root methods can be compared to some independently derived root biomass value obtained from total carbon budgets for systems, one root method cannot be stated to be the best and the method of choice will be determined from researcher's personal preference, experiences, equipment, and/or finances. |
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However, tremendous controversy exists in the literature as to which is the best method to determine fine root biomass and production. This lack of consensus makes it difficult for researchers to determine which methods are most appropriate for their system. The sequential root coring method was the most commonly used method to collect root biomass data in the past and is still commonly used. But within the last decade the use of minirhizotrons has become a favorite method of many researchers. In addition, due to the high labor-intensive requirements of many of the direct approaches to determine root biomass, there has been a shift to develop indirect methods that would allow fine root biomass and production to be predicted using data on easily monitored variables that are highly correlated to root dynamics. Discussions occur as to which method should be used but without gathering data from the same site using different methods, these discussions can be futile. This paper discusses and compares the results of the most commonly used direct and indirect methods of determining root biomass and production: sequential root coring, ingrowth cores, minirhizotrons, carbon fluxes approach, nitrogen budget approach and correlations with abiotic resources. No consistent relationships were apparent when comparing several sites where at least one of the indirect and direct methods were used on the same site. Until the different root methods can be compared to some independently derived root biomass value obtained from total carbon budgets for systems, one root method cannot be stated to be the best and the method of choice will be determined from researcher's personal preference, experiences, equipment, and/or finances.</description><identifier>ISSN: 0032-079X</identifier><identifier>EISSN: 1573-5036</identifier><identifier>DOI: 10.1023/a:1004313515294</identifier><identifier>CODEN: PLSOA2</identifier><language>eng</language><publisher>Dordrecht: Kluwer Academic Publishers</publisher><subject>Agronomy. Soil science and plant productions ; Biological and medical sciences ; Biomass ; Biomass production ; Carbon ; Carbon sequestration ; Climate change ; Ecosystems ; Forest ecosystems ; Forest soils ; Fundamental and applied biological sciences. Psychology ; General agronomy. Plant production ; Generalities. Agricultural and farming systems. Agricultural development ; Global climate ; Methods ; Plant growth ; Plant roots ; Plants ; Production estimates ; Root biomass ; Root growth ; Soil ecology ; Soils</subject><ispartof>Plant and soil, 1998-03, Vol.200 (1), p.71-89</ispartof><rights>1998 Kluwer Academic Publishers</rights><rights>1998 INIST-CNRS</rights><rights>Kluwer Academic Publishers 1998</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c374t-e37d214db504b2a529ca11b5a79308a20dbf51bd67cb6b52594250451fae108d3</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/42948273$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/42948273$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>309,310,314,776,780,785,786,799,23909,23910,25118,27901,27902,57992,58225</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=2338461$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><contributor>Box, JE Jr</contributor><creatorcontrib>Vogt, Kristiina A.</creatorcontrib><creatorcontrib>Vogt, Daniel J.</creatorcontrib><creatorcontrib>Bloomfield, Janine</creatorcontrib><title>Analysis of some direct and indirect methods for estimating root biomass and production of forests at an ecosystem level</title><title>Plant and soil</title><description>The relationship of global climate change to plant growth and the role of forests as sites of carbon sequestration have encouraged the refinement of the estimates of root biomass and production. However, tremendous controversy exists in the literature as to which is the best method to determine fine root biomass and production. This lack of consensus makes it difficult for researchers to determine which methods are most appropriate for their system. The sequential root coring method was the most commonly used method to collect root biomass data in the past and is still commonly used. But within the last decade the use of minirhizotrons has become a favorite method of many researchers. In addition, due to the high labor-intensive requirements of many of the direct approaches to determine root biomass, there has been a shift to develop indirect methods that would allow fine root biomass and production to be predicted using data on easily monitored variables that are highly correlated to root dynamics. Discussions occur as to which method should be used but without gathering data from the same site using different methods, these discussions can be futile. This paper discusses and compares the results of the most commonly used direct and indirect methods of determining root biomass and production: sequential root coring, ingrowth cores, minirhizotrons, carbon fluxes approach, nitrogen budget approach and correlations with abiotic resources. No consistent relationships were apparent when comparing several sites where at least one of the indirect and direct methods were used on the same site. Until the different root methods can be compared to some independently derived root biomass value obtained from total carbon budgets for systems, one root method cannot be stated to be the best and the method of choice will be determined from researcher's personal preference, experiences, equipment, and/or finances.</description><subject>Agronomy. Soil science and plant productions</subject><subject>Biological and medical sciences</subject><subject>Biomass</subject><subject>Biomass production</subject><subject>Carbon</subject><subject>Carbon sequestration</subject><subject>Climate change</subject><subject>Ecosystems</subject><subject>Forest ecosystems</subject><subject>Forest soils</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>General agronomy. Plant production</subject><subject>Generalities. Agricultural and farming systems. Agricultural development</subject><subject>Global climate</subject><subject>Methods</subject><subject>Plant growth</subject><subject>Plant roots</subject><subject>Plants</subject><subject>Production estimates</subject><subject>Root biomass</subject><subject>Root growth</subject><subject>Soil ecology</subject><subject>Soils</subject><issn>0032-079X</issn><issn>1573-5036</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1998</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNpdkU1LBDEMhosouK6ePQlFxNto04-ZWW8ifoHgRcHb0Gk72mVmujZdcf-9XXfx4CmEPHnzJiHkGNgFMC4u9RUwJgUIBYrP5A6ZgKpEoZgod8mEMcELVs3e9skB4pytcygn5Pt61P0KPdLQUQyDo9ZHZxLVo6V-3CaDSx_BIu1CpA6TH3Ty4zuNISTa-jBoxN-GRQx2aZIP41ou0xnOlbUadSbgCpMbaO--XH9I9jrdozvaxil5vbt9uXkonp7vH2-unwojKpkKJyrLQdpWMdlynTczGqBVupoJVmvObNspaG1ZmbZsFVczyTOqoNMOWG3FlJxvdLO3z2X20wwejet7PbqwxAZKWfNK1Rk8_QfOwzLm62BTKQClOGcZOttCGo3uu6hH47FZxHySuGq4ELUsIWMnG2yOKcS_ssx_ycOE-AFL3oMp</recordid><startdate>19980301</startdate><enddate>19980301</enddate><creator>Vogt, Kristiina A.</creator><creator>Vogt, Daniel J.</creator><creator>Bloomfield, Janine</creator><general>Kluwer Academic Publishers</general><general>Springer</general><general>Springer Nature B.V</general><scope>IQODW</scope><scope>3V.</scope><scope>7SN</scope><scope>7ST</scope><scope>7T7</scope><scope>7X2</scope><scope>88A</scope><scope>8FD</scope><scope>8FE</scope><scope>8FH</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FR3</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>LK8</scope><scope>M0K</scope><scope>M7P</scope><scope>P64</scope><scope>PHGZM</scope><scope>PHGZT</scope><scope>PKEHL</scope><scope>PQEST</scope><scope>PQGLB</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>RC3</scope><scope>SOI</scope><scope>7TV</scope></search><sort><creationdate>19980301</creationdate><title>Analysis of some direct and indirect methods for estimating root biomass and production of forests at an ecosystem level</title><author>Vogt, Kristiina A. ; Vogt, Daniel J. ; Bloomfield, Janine</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c374t-e37d214db504b2a529ca11b5a79308a20dbf51bd67cb6b52594250451fae108d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1998</creationdate><topic>Agronomy. Soil science and plant productions</topic><topic>Biological and medical sciences</topic><topic>Biomass</topic><topic>Biomass production</topic><topic>Carbon</topic><topic>Carbon sequestration</topic><topic>Climate change</topic><topic>Ecosystems</topic><topic>Forest ecosystems</topic><topic>Forest soils</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>General agronomy. Plant production</topic><topic>Generalities. Agricultural and farming systems. 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However, tremendous controversy exists in the literature as to which is the best method to determine fine root biomass and production. This lack of consensus makes it difficult for researchers to determine which methods are most appropriate for their system. The sequential root coring method was the most commonly used method to collect root biomass data in the past and is still commonly used. But within the last decade the use of minirhizotrons has become a favorite method of many researchers. In addition, due to the high labor-intensive requirements of many of the direct approaches to determine root biomass, there has been a shift to develop indirect methods that would allow fine root biomass and production to be predicted using data on easily monitored variables that are highly correlated to root dynamics. Discussions occur as to which method should be used but without gathering data from the same site using different methods, these discussions can be futile. This paper discusses and compares the results of the most commonly used direct and indirect methods of determining root biomass and production: sequential root coring, ingrowth cores, minirhizotrons, carbon fluxes approach, nitrogen budget approach and correlations with abiotic resources. No consistent relationships were apparent when comparing several sites where at least one of the indirect and direct methods were used on the same site. Until the different root methods can be compared to some independently derived root biomass value obtained from total carbon budgets for systems, one root method cannot be stated to be the best and the method of choice will be determined from researcher's personal preference, experiences, equipment, and/or finances.</abstract><cop>Dordrecht</cop><pub>Kluwer Academic Publishers</pub><doi>10.1023/a:1004313515294</doi><tpages>19</tpages></addata></record> |
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subjects | Agronomy. Soil science and plant productions Biological and medical sciences Biomass Biomass production Carbon Carbon sequestration Climate change Ecosystems Forest ecosystems Forest soils Fundamental and applied biological sciences. Psychology General agronomy. Plant production Generalities. Agricultural and farming systems. Agricultural development Global climate Methods Plant growth Plant roots Plants Production estimates Root biomass Root growth Soil ecology Soils |
title | Analysis of some direct and indirect methods for estimating root biomass and production of forests at an ecosystem level |
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