Topographic controls on black carbon accumulation in Alaskan black spruce forest soils: implications for organic matter dynamics
There is still much uncertainty as to how wildfire affects the accumulation of burn residues (such as black carbon (BC)) in the soil, and the corresponding changes in soil organic carbon (SOC) composition in boreal forests. We investigated SOC and BC composition in black spruce forests on different...
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| Veröffentlicht in: | Biogeochemistry 2010-09, Vol.100 (1-3), p.39-56 |
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| creator | Kane, E. S Hockaday, W. C Turetsky, M. R Masiello, C. A Valentine, D. W Finney, B. P Baldock, J. A |
| description | There is still much uncertainty as to how wildfire affects the accumulation of burn residues (such as black carbon (BC)) in the soil, and the corresponding changes in soil organic carbon (SOC) composition in boreal forests. We investigated SOC and BC composition in black spruce forests on different landscape positions in Alaska, USA. Mean BC stocks in surface mineral soils (0.34 ± 0.09 kg C m⁻²) were higher than in organic soils (0.17 ± 0.07 kg C m⁻²), as determined at four sites by three different ¹³C Nuclear Magnetic Resonance Spectroscopy-based techniques. Aromatic carbon, protein, BC, and the alkyl:O-alkyl carbon ratio were higher in mineral soil than in organic soil horizons. There was no trend between mineral soil BC stocks and fire frequencies estimated from lake sediment records at four sites, and soil BC was relatively modern ( |
| doi_str_mv | 10.1007/s10533-009-9403-z |
| format | Article |
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S ; Hockaday, W. C ; Turetsky, M. R ; Masiello, C. A ; Valentine, D. W ; Finney, B. P ; Baldock, J. A</creator><creatorcontrib>Kane, E. S ; Hockaday, W. C ; Turetsky, M. R ; Masiello, C. A ; Valentine, D. W ; Finney, B. P ; Baldock, J. A</creatorcontrib><description>There is still much uncertainty as to how wildfire affects the accumulation of burn residues (such as black carbon (BC)) in the soil, and the corresponding changes in soil organic carbon (SOC) composition in boreal forests. We investigated SOC and BC composition in black spruce forests on different landscape positions in Alaska, USA. Mean BC stocks in surface mineral soils (0.34 ± 0.09 kg C m⁻²) were higher than in organic soils (0.17 ± 0.07 kg C m⁻²), as determined at four sites by three different ¹³C Nuclear Magnetic Resonance Spectroscopy-based techniques. Aromatic carbon, protein, BC, and the alkyl:O-alkyl carbon ratio were higher in mineral soil than in organic soil horizons. There was no trend between mineral soil BC stocks and fire frequencies estimated from lake sediment records at four sites, and soil BC was relatively modern (<54-400 years, based on mean Δ¹⁴C ranging from 95.1 to −54.7‰). A more extensive analysis (90 soil profiles) of mineral soil BC revealed that interactions among landscape position, organic layer depth, and bulk density explained most of the variance in soil BC across sites, with less soil BC occurring in relatively cold forests with deeper organic layers. We suggest that shallower organic layer depths and higher bulk densities found in warmer boreal forests are more favorable for BC production in wildfire, and more BC is integrated with mineral soil than organic horizons. Soil BC content likely reflected more recent burning conditions influenced by topography, and implications of this for SOC composition (e.g., aromaticity and protein content) are discussed.</description><identifier>ISSN: 0168-2563</identifier><identifier>EISSN: 1573-515X</identifier><identifier>DOI: 10.1007/s10533-009-9403-z</identifier><identifier>CODEN: BIOGEP</identifier><language>eng</language><publisher>Dordrecht: Dordrecht : Springer Netherlands</publisher><subject>Acid soils ; Alkyl carbon ; Animal and plant ecology ; Animal, plant and microbial ecology ; Aromatic carbon ; Biochemistry ; Biogeosciences ; Biological and medical sciences ; Black carbon ; Boreal forests ; Carbon ; Carbon balance ; Charcoal ; Earth and Environmental Science ; Earth Sciences ; Earth, ocean, space ; Ecosystems ; Environmental Chemistry ; Exact sciences and technology ; fires ; Forest soils ; Forests ; Fundamental and applied biological sciences. Psychology ; Geochemistry ; Lake sediments ; Landscape ; Life Sciences ; Mineral soils ; Mineralogy ; NMR ; Nuclear magnetic resonance ; Organic carbon ; Organic matter ; Organic soil ; Organic soils ; Picea mariana ; Protein ; Sedimentary soils ; soil ; Soil and rock geochemistry ; Soil biochemistry ; Soil horizons ; Soil organic matter ; Soil profiles ; Soils ; Surficial geology ; Synecology ; Terrestrial ecosystems ; Wildfires</subject><ispartof>Biogeochemistry, 2010-09, Vol.100 (1-3), p.39-56</ispartof><rights>2010 Springer</rights><rights>Springer Science+Business Media B.V. 2010</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a512t-c225c76b9270e84bf4157a258969cfa038a2ff0dceb5ab69c52a1c0732f781873</citedby><cites>FETCH-LOGICAL-a512t-c225c76b9270e84bf4157a258969cfa038a2ff0dceb5ab69c52a1c0732f781873</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/40800608$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/40800608$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>314,776,780,799,27901,27902,41464,42533,51294,57992,58225</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=23195560$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Kane, E. S</creatorcontrib><creatorcontrib>Hockaday, W. C</creatorcontrib><creatorcontrib>Turetsky, M. R</creatorcontrib><creatorcontrib>Masiello, C. A</creatorcontrib><creatorcontrib>Valentine, D. W</creatorcontrib><creatorcontrib>Finney, B. P</creatorcontrib><creatorcontrib>Baldock, J. A</creatorcontrib><title>Topographic controls on black carbon accumulation in Alaskan black spruce forest soils: implications for organic matter dynamics</title><title>Biogeochemistry</title><addtitle>Biogeochemistry</addtitle><description>There is still much uncertainty as to how wildfire affects the accumulation of burn residues (such as black carbon (BC)) in the soil, and the corresponding changes in soil organic carbon (SOC) composition in boreal forests. We investigated SOC and BC composition in black spruce forests on different landscape positions in Alaska, USA. Mean BC stocks in surface mineral soils (0.34 ± 0.09 kg C m⁻²) were higher than in organic soils (0.17 ± 0.07 kg C m⁻²), as determined at four sites by three different ¹³C Nuclear Magnetic Resonance Spectroscopy-based techniques. Aromatic carbon, protein, BC, and the alkyl:O-alkyl carbon ratio were higher in mineral soil than in organic soil horizons. There was no trend between mineral soil BC stocks and fire frequencies estimated from lake sediment records at four sites, and soil BC was relatively modern (<54-400 years, based on mean Δ¹⁴C ranging from 95.1 to −54.7‰). A more extensive analysis (90 soil profiles) of mineral soil BC revealed that interactions among landscape position, organic layer depth, and bulk density explained most of the variance in soil BC across sites, with less soil BC occurring in relatively cold forests with deeper organic layers. We suggest that shallower organic layer depths and higher bulk densities found in warmer boreal forests are more favorable for BC production in wildfire, and more BC is integrated with mineral soil than organic horizons. Soil BC content likely reflected more recent burning conditions influenced by topography, and implications of this for SOC composition (e.g., aromaticity and protein content) are discussed.</description><subject>Acid soils</subject><subject>Alkyl carbon</subject><subject>Animal and plant ecology</subject><subject>Animal, plant and microbial ecology</subject><subject>Aromatic carbon</subject><subject>Biochemistry</subject><subject>Biogeosciences</subject><subject>Biological and medical sciences</subject><subject>Black carbon</subject><subject>Boreal forests</subject><subject>Carbon</subject><subject>Carbon balance</subject><subject>Charcoal</subject><subject>Earth and Environmental Science</subject><subject>Earth Sciences</subject><subject>Earth, ocean, space</subject><subject>Ecosystems</subject><subject>Environmental Chemistry</subject><subject>Exact sciences and technology</subject><subject>fires</subject><subject>Forest soils</subject><subject>Forests</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Geochemistry</subject><subject>Lake sediments</subject><subject>Landscape</subject><subject>Life Sciences</subject><subject>Mineral soils</subject><subject>Mineralogy</subject><subject>NMR</subject><subject>Nuclear magnetic resonance</subject><subject>Organic carbon</subject><subject>Organic matter</subject><subject>Organic soil</subject><subject>Organic soils</subject><subject>Picea mariana</subject><subject>Protein</subject><subject>Sedimentary soils</subject><subject>soil</subject><subject>Soil and rock geochemistry</subject><subject>Soil biochemistry</subject><subject>Soil horizons</subject><subject>Soil organic matter</subject><subject>Soil profiles</subject><subject>Soils</subject><subject>Surficial geology</subject><subject>Synecology</subject><subject>Terrestrial ecosystems</subject><subject>Wildfires</subject><issn>0168-2563</issn><issn>1573-515X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNp9kU1rFTEUhgdR8Fr9AS7EIBRXoyfJzSRxV4q2QsGFLbgLZ9LkmtvMZExmFu3Kn26uUyu4cBVOzvO-56tpXlJ4RwHk-0JBcN4C6FZvgbd3j5oNFZK3gopvj5sN0E61THT8afOslD1UUALfND8v05R2GafvwRKbxjmnWEgaSR_R3hCLua8BWrsMS8Q51CCM5CRiucE_UJnyYh3xKbsyk5JCLB9IGKYY7G9FOaRIyjsca5EB59llcn074hBsed488RiLe3H_HjVXnz5enp63F1_OPp-eXLQoKJtby5iwsus1k-DUtvfbOh0yoXSnrUfgCpn3cG1dL7Cvf4IhtSA581JRJflR83b1nXL6sdRGzRCKdTHi6NJSjBSaM9D8QL75h9ynJY-1OSO3WmtRDStEV8jmVEp23kw5DJhvDQVzuIhZL2Lqos3hIuauao7vjbFYjD7jaEN5EDJOtRAdVI6tXF1sGHcu_23gf-avVtG-zCk_mG5BAXSgav71mveYDO5yLXz1lQHlQJUSTFL-CxbwsG4</recordid><startdate>20100901</startdate><enddate>20100901</enddate><creator>Kane, E. 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S</au><au>Hockaday, W. C</au><au>Turetsky, M. R</au><au>Masiello, C. A</au><au>Valentine, D. W</au><au>Finney, B. P</au><au>Baldock, J. A</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Topographic controls on black carbon accumulation in Alaskan black spruce forest soils: implications for organic matter dynamics</atitle><jtitle>Biogeochemistry</jtitle><stitle>Biogeochemistry</stitle><date>2010-09-01</date><risdate>2010</risdate><volume>100</volume><issue>1-3</issue><spage>39</spage><epage>56</epage><pages>39-56</pages><issn>0168-2563</issn><eissn>1573-515X</eissn><coden>BIOGEP</coden><abstract>There is still much uncertainty as to how wildfire affects the accumulation of burn residues (such as black carbon (BC)) in the soil, and the corresponding changes in soil organic carbon (SOC) composition in boreal forests. We investigated SOC and BC composition in black spruce forests on different landscape positions in Alaska, USA. Mean BC stocks in surface mineral soils (0.34 ± 0.09 kg C m⁻²) were higher than in organic soils (0.17 ± 0.07 kg C m⁻²), as determined at four sites by three different ¹³C Nuclear Magnetic Resonance Spectroscopy-based techniques. Aromatic carbon, protein, BC, and the alkyl:O-alkyl carbon ratio were higher in mineral soil than in organic soil horizons. There was no trend between mineral soil BC stocks and fire frequencies estimated from lake sediment records at four sites, and soil BC was relatively modern (<54-400 years, based on mean Δ¹⁴C ranging from 95.1 to −54.7‰). A more extensive analysis (90 soil profiles) of mineral soil BC revealed that interactions among landscape position, organic layer depth, and bulk density explained most of the variance in soil BC across sites, with less soil BC occurring in relatively cold forests with deeper organic layers. We suggest that shallower organic layer depths and higher bulk densities found in warmer boreal forests are more favorable for BC production in wildfire, and more BC is integrated with mineral soil than organic horizons. Soil BC content likely reflected more recent burning conditions influenced by topography, and implications of this for SOC composition (e.g., aromaticity and protein content) are discussed.</abstract><cop>Dordrecht</cop><pub>Dordrecht : Springer Netherlands</pub><doi>10.1007/s10533-009-9403-z</doi><tpages>18</tpages></addata></record> |
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| subjects | Acid soils Alkyl carbon Animal and plant ecology Animal, plant and microbial ecology Aromatic carbon Biochemistry Biogeosciences Biological and medical sciences Black carbon Boreal forests Carbon Carbon balance Charcoal Earth and Environmental Science Earth Sciences Earth, ocean, space Ecosystems Environmental Chemistry Exact sciences and technology fires Forest soils Forests Fundamental and applied biological sciences. Psychology Geochemistry Lake sediments Landscape Life Sciences Mineral soils Mineralogy NMR Nuclear magnetic resonance Organic carbon Organic matter Organic soil Organic soils Picea mariana Protein Sedimentary soils soil Soil and rock geochemistry Soil biochemistry Soil horizons Soil organic matter Soil profiles Soils Surficial geology Synecology Terrestrial ecosystems Wildfires |
| title | Topographic controls on black carbon accumulation in Alaskan black spruce forest soils: implications for organic matter dynamics |
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