Total belowground carbon and nitrogen partitioning of mature black spruce displaying genetic à soil moisture interaction in growth
Total belowground biomass, soil C, and N mass were measured in plots of 32-year-old black spruce (Picea mariana (Mill.) Britton, Sterns & Poggenb.) from four full-sib families studied previously for drought tolerance and differential productivity on a dry and a wet site. Stump root biomass was g...
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| Veröffentlicht in: | Canadian journal of forest research 2012-11, Vol.42 (11), p.1939-1952 |
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| container_end_page | 1952 |
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| container_issue | 11 |
| container_start_page | 1939 |
| container_title | Canadian journal of forest research |
| container_volume | 42 |
| creator | Major, John E Kurt H. Johnsen Debby C. Barsi Moira Campbell |
| description | Total belowground biomass, soil C, and N mass were measured in plots of 32-year-old black spruce (Picea mariana (Mill.) Britton, Sterns & Poggenb.) from four full-sib families studied previously for drought tolerance and differential productivity on a dry and a wet site. Stump root biomass was greater on the wet than on the dry site; however, combined fine and coarse root biomass was greater on the dry than on the wet site, resulting in no site root biomass differences. There were no site differences in root distribution by soil depth. Drought-tolerant families had greater stump root biomass and allocated relatively less to combined coarse and fine roots than drought-intolerant families. Fine roots ( |
| doi_str_mv | 10.1139/x2012-145 |
| format | Article |
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Johnsen ; Debby C. Barsi ; Moira Campbell</creator><creatorcontrib>Major, John E ; Kurt H. Johnsen ; Debby C. Barsi ; Moira Campbell</creatorcontrib><description>Total belowground biomass, soil C, and N mass were measured in plots of 32-year-old black spruce (Picea mariana (Mill.) Britton, Sterns & Poggenb.) from four full-sib families studied previously for drought tolerance and differential productivity on a dry and a wet site. Stump root biomass was greater on the wet than on the dry site; however, combined fine and coarse root biomass was greater on the dry than on the wet site, resulting in no site root biomass differences. There were no site differences in root distribution by soil depth. Drought-tolerant families had greater stump root biomass and allocated relatively less to combined coarse and fine roots than drought-intolerant families. Fine roots (<2 mm) made up 10.9% and 50.2% of the belowground C and N biomass. Through 50 cm soil depth, mean total belowground C mass was 187.2 Mg·haâ¹, of which 8.9%, 3.4%, 0.7%, and 87.0% were from the stump root, combined fine and coarse roots, necromass, and soil, respectively. Here, we show that belowground C sequestration generally mirrors (mostly from stump roots) aboveground growth, and thus, trends in genetic and genetic à environment productivity effects result in similar effects on belowground C sequestration. Thus, tree improvement may well be an important avenue to help stem increases in atmospheric COâ.</description><identifier>ISSN: 1208-6037</identifier><identifier>ISSN: 0045-5067</identifier><identifier>EISSN: 1208-6037</identifier><identifier>DOI: 10.1139/x2012-145</identifier><identifier>CODEN: CJFRAR</identifier><language>eng</language><publisher>Ottawa: NRC Research Press</publisher><subject>belowground biomass ; Biomass ; carbon ; Carbon dioxide ; Carbon sequestration ; Drought ; Drought resistance ; drought tolerance ; fine roots ; Forest soils ; genetic trend ; Genetics ; Moisture ; necromass ; Nitrogen ; Picea mariana ; Root distribution ; Roots ; Soil depth ; Soil moisture ; soil water ; trees</subject><ispartof>Canadian journal of forest research, 2012-11, Vol.42 (11), p.1939-1952</ispartof><rights>Copyright National Research Council of Canada Nov 2012</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c266t-45ca38082c04d7aa92bd64042e35ee70f404907ec973770c2a7db82f3698a9e63</citedby><cites>FETCH-LOGICAL-c266t-45ca38082c04d7aa92bd64042e35ee70f404907ec973770c2a7db82f3698a9e63</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,777,781,27905,27906</link.rule.ids></links><search><creatorcontrib>Major, John E</creatorcontrib><creatorcontrib>Kurt H. Johnsen</creatorcontrib><creatorcontrib>Debby C. Barsi</creatorcontrib><creatorcontrib>Moira Campbell</creatorcontrib><title>Total belowground carbon and nitrogen partitioning of mature black spruce displaying genetic à soil moisture interaction in growth</title><title>Canadian journal of forest research</title><description>Total belowground biomass, soil C, and N mass were measured in plots of 32-year-old black spruce (Picea mariana (Mill.) Britton, Sterns & Poggenb.) from four full-sib families studied previously for drought tolerance and differential productivity on a dry and a wet site. Stump root biomass was greater on the wet than on the dry site; however, combined fine and coarse root biomass was greater on the dry than on the wet site, resulting in no site root biomass differences. There were no site differences in root distribution by soil depth. Drought-tolerant families had greater stump root biomass and allocated relatively less to combined coarse and fine roots than drought-intolerant families. Fine roots (<2 mm) made up 10.9% and 50.2% of the belowground C and N biomass. Through 50 cm soil depth, mean total belowground C mass was 187.2 Mg·haâ¹, of which 8.9%, 3.4%, 0.7%, and 87.0% were from the stump root, combined fine and coarse roots, necromass, and soil, respectively. Here, we show that belowground C sequestration generally mirrors (mostly from stump roots) aboveground growth, and thus, trends in genetic and genetic à environment productivity effects result in similar effects on belowground C sequestration. Thus, tree improvement may well be an important avenue to help stem increases in atmospheric COâ.</description><subject>belowground biomass</subject><subject>Biomass</subject><subject>carbon</subject><subject>Carbon dioxide</subject><subject>Carbon sequestration</subject><subject>Drought</subject><subject>Drought resistance</subject><subject>drought tolerance</subject><subject>fine roots</subject><subject>Forest soils</subject><subject>genetic trend</subject><subject>Genetics</subject><subject>Moisture</subject><subject>necromass</subject><subject>Nitrogen</subject><subject>Picea mariana</subject><subject>Root distribution</subject><subject>Roots</subject><subject>Soil depth</subject><subject>Soil moisture</subject><subject>soil water</subject><subject>trees</subject><issn>1208-6037</issn><issn>0045-5067</issn><issn>1208-6037</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><recordid>eNp9kc1O3TAQhaOKSgXaRZ8AS2xaibT-i50sK9QWJCQWhbU1cSYXQ64dbEeUNeIZ-j7ti9WX20XFgtUcab5zZqRTVe8Z_cSY6D7_5JTxmsnmVbXLOG1rRYXe-U-_qfZSuqaUCiXobvV4ETJMpMcp3K1iWPxALMQ-eAJFepdjWKEnM8Tssgve-RUJI1lDXiKSfgJ7Q9IcF4tkcGme4H5DFAtmZ8mfh9-_SApuIuvg0pPF-YwR7CaraFJu3uWrt9XrEaaE7_7N_ery29eL45P67Pz76fGXs9pypXItGwuipS23VA4aoOP9oCSVHEWDqOlYdEc12k4LranloIe-5aNQXQsdKrFffdjmzjHcLpiyWbtkcZrAY1iSYbzRWiomdUEPn6HXYYm-fFcoLmTLFN8EftxSNoaUIo5mjm4N8d4wajaFmKdCTCmksEdb1kcbMSFEe_UifrDFRwgGVtElc_mjbBWlrGu7Roq_-leX0w</recordid><startdate>201211</startdate><enddate>201211</enddate><creator>Major, John E</creator><creator>Kurt H. Johnsen</creator><creator>Debby C. Barsi</creator><creator>Moira Campbell</creator><general>NRC Research Press</general><general>Canadian Science Publishing NRC Research Press</general><scope>FBQ</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SN</scope><scope>7SS</scope><scope>7T7</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>P64</scope><scope>RC3</scope><scope>U9A</scope><scope>7ST</scope><scope>7U6</scope></search><sort><creationdate>201211</creationdate><title>Total belowground carbon and nitrogen partitioning of mature black spruce displaying genetic à soil moisture interaction in growth</title><author>Major, John E ; Kurt H. Johnsen ; Debby C. Barsi ; Moira Campbell</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c266t-45ca38082c04d7aa92bd64042e35ee70f404907ec973770c2a7db82f3698a9e63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>belowground biomass</topic><topic>Biomass</topic><topic>carbon</topic><topic>Carbon dioxide</topic><topic>Carbon sequestration</topic><topic>Drought</topic><topic>Drought resistance</topic><topic>drought tolerance</topic><topic>fine roots</topic><topic>Forest soils</topic><topic>genetic trend</topic><topic>Genetics</topic><topic>Moisture</topic><topic>necromass</topic><topic>Nitrogen</topic><topic>Picea mariana</topic><topic>Root distribution</topic><topic>Roots</topic><topic>Soil depth</topic><topic>Soil moisture</topic><topic>soil water</topic><topic>trees</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Major, John E</creatorcontrib><creatorcontrib>Kurt H. Johnsen</creatorcontrib><creatorcontrib>Debby C. Barsi</creatorcontrib><creatorcontrib>Moira Campbell</creatorcontrib><collection>AGRIS</collection><collection>CrossRef</collection><collection>Ecology Abstracts</collection><collection>Entomology Abstracts (Full archive)</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Genetics Abstracts</collection><collection>Environment Abstracts</collection><collection>Sustainability Science Abstracts</collection><jtitle>Canadian journal of forest research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Major, John E</au><au>Kurt H. Johnsen</au><au>Debby C. Barsi</au><au>Moira Campbell</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Total belowground carbon and nitrogen partitioning of mature black spruce displaying genetic à soil moisture interaction in growth</atitle><jtitle>Canadian journal of forest research</jtitle><date>2012-11</date><risdate>2012</risdate><volume>42</volume><issue>11</issue><spage>1939</spage><epage>1952</epage><pages>1939-1952</pages><issn>1208-6037</issn><issn>0045-5067</issn><eissn>1208-6037</eissn><coden>CJFRAR</coden><abstract>Total belowground biomass, soil C, and N mass were measured in plots of 32-year-old black spruce (Picea mariana (Mill.) Britton, Sterns & Poggenb.) from four full-sib families studied previously for drought tolerance and differential productivity on a dry and a wet site. Stump root biomass was greater on the wet than on the dry site; however, combined fine and coarse root biomass was greater on the dry than on the wet site, resulting in no site root biomass differences. There were no site differences in root distribution by soil depth. Drought-tolerant families had greater stump root biomass and allocated relatively less to combined coarse and fine roots than drought-intolerant families. Fine roots (<2 mm) made up 10.9% and 50.2% of the belowground C and N biomass. Through 50 cm soil depth, mean total belowground C mass was 187.2 Mg·haâ¹, of which 8.9%, 3.4%, 0.7%, and 87.0% were from the stump root, combined fine and coarse roots, necromass, and soil, respectively. Here, we show that belowground C sequestration generally mirrors (mostly from stump roots) aboveground growth, and thus, trends in genetic and genetic à environment productivity effects result in similar effects on belowground C sequestration. Thus, tree improvement may well be an important avenue to help stem increases in atmospheric COâ.</abstract><cop>Ottawa</cop><pub>NRC Research Press</pub><doi>10.1139/x2012-145</doi><tpages>14</tpages></addata></record> |
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| ispartof | Canadian journal of forest research, 2012-11, Vol.42 (11), p.1939-1952 |
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| language | eng |
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| source | Alma/SFX Local Collection |
| subjects | belowground biomass Biomass carbon Carbon dioxide Carbon sequestration Drought Drought resistance drought tolerance fine roots Forest soils genetic trend Genetics Moisture necromass Nitrogen Picea mariana Root distribution Roots Soil depth Soil moisture soil water trees |
| title | Total belowground carbon and nitrogen partitioning of mature black spruce displaying genetic à soil moisture interaction in growth |
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