What the soil reveals: Potential total ecosystem C stores of the Pacific Northwest region, USA
How much organic C can a region naturally store in its ecosystems? How can this be determined, when land management has altered the vegetation of the landscape substantially? The answers may lie in the soil: this study synthesized the spatial distribution of soil properties derived from the state so...
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description | How much organic C can a region naturally store in its ecosystems? How can this be determined, when land management has altered the vegetation of the landscape substantially? The answers may lie in the soil: this study synthesized the spatial distribution of soil properties derived from the state soils geographic database with empirical measurements of old-growth forest ecosystem C to yield a regional distribution of potential maximum total-ecosystem organic C stores. The region under consideration is 179,000 square kilometers extending from the southern Oregon border to the northern Washington border, and from the Pacific Ocean to the east side of the Cascade Mountains. Total ecosystem organic C (TEC) was measured in 16 diverse old-growth forests encompassing 35 stands and 79 pedons to a depth of 100
cm. The TEC ranged between 185 and 1200
Mg
C
ha
−1. On an average, 63% of TEC was in the vegetation, 13% in woody detritus, 3% in the forest floor, 7% in the 0–20
cm mineral soil, and 13% in 20–100
cm mineral soil. The TEC was strongly related to soil organic C (SOC) in the 0–20
cm mineral soil, yielding a monotonically increasing, curvilinear relation. To apply this relation to estimate the TEC distribution throughout the region, 211 map units of the state soils geographic database (STATSGO) were used. The SOC in the 0–20
cm mineral soil of the map units was consistent with values from previously measured pedons distributed throughout the region. Resampling of 13 second-growth forests 25 years after initial sampling indicated no regional change in mineral SOC, and supported the use of a static state soils map. The SOC spatial distribution combined with the quantitative old-growth TEC–SOC relation yielded an estimate of potential TEC storage throughout the region under the hypothetical condition of old-growth forest coverage. The area-weighted TEC was 760
Mg
C
ha
−1. This is ∼100
Mg
C
ha
−1 more than a previous estimate based on a coarser resolution of six physiographic provinces, and ∼400
Mg
C
ha
−1 more than current regional stores. The map of potential TEC may be useful in forecasting regional C dynamics and in land-management decisions related to C sequestration. |
doi_str_mv | 10.1016/j.foreco.2005.08.035 |
format | Article |
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cm. The TEC ranged between 185 and 1200
Mg
C
ha
−1. On an average, 63% of TEC was in the vegetation, 13% in woody detritus, 3% in the forest floor, 7% in the 0–20
cm mineral soil, and 13% in 20–100
cm mineral soil. The TEC was strongly related to soil organic C (SOC) in the 0–20
cm mineral soil, yielding a monotonically increasing, curvilinear relation. To apply this relation to estimate the TEC distribution throughout the region, 211 map units of the state soils geographic database (STATSGO) were used. The SOC in the 0–20
cm mineral soil of the map units was consistent with values from previously measured pedons distributed throughout the region. Resampling of 13 second-growth forests 25 years after initial sampling indicated no regional change in mineral SOC, and supported the use of a static state soils map. The SOC spatial distribution combined with the quantitative old-growth TEC–SOC relation yielded an estimate of potential TEC storage throughout the region under the hypothetical condition of old-growth forest coverage. The area-weighted TEC was 760
Mg
C
ha
−1. This is ∼100
Mg
C
ha
−1 more than a previous estimate based on a coarser resolution of six physiographic provinces, and ∼400
Mg
C
ha
−1 more than current regional stores. The map of potential TEC may be useful in forecasting regional C dynamics and in land-management decisions related to C sequestration.</description><identifier>ISSN: 0378-1127</identifier><identifier>EISSN: 1872-7042</identifier><identifier>DOI: 10.1016/j.foreco.2005.08.035</identifier><identifier>CODEN: FECMDW</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Animal and plant ecology ; Animal, plant and microbial ecology ; Biological and medical sciences ; C sequestration ; carbon sequestration ; cartography ; Fundamental and applied biological sciences. Psychology ; geographical variation ; land management ; mineral soils ; Old-growth forest ; old-growth forests ; Pacific Northwest ; regions ; Soil organic C ; soil organic matter ; soil surveys ; spatial variation ; Synecology ; Terrestrial ecosystems ; Total ecosystem C ; vegetation</subject><ispartof>Forest ecology and management, 2005-12, Vol.220 (1), p.270-283</ispartof><rights>2005 Elsevier B.V.</rights><rights>2006 INIST-CNRS</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c391t-67e36e1974f21d190d51f7d9bb3581780e684de77f307fcebd4e58046f2fdab63</citedby><cites>FETCH-LOGICAL-c391t-67e36e1974f21d190d51f7d9bb3581780e684de77f307fcebd4e58046f2fdab63</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.foreco.2005.08.035$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>309,310,314,780,784,789,790,3550,23930,23931,25140,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=17286899$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Homann, Peter S.</creatorcontrib><creatorcontrib>Harmon, Mark</creatorcontrib><creatorcontrib>Remillard, Suzanne</creatorcontrib><creatorcontrib>Smithwick, Erica A.H.</creatorcontrib><title>What the soil reveals: Potential total ecosystem C stores of the Pacific Northwest region, USA</title><title>Forest ecology and management</title><description>How much organic C can a region naturally store in its ecosystems? How can this be determined, when land management has altered the vegetation of the landscape substantially? The answers may lie in the soil: this study synthesized the spatial distribution of soil properties derived from the state soils geographic database with empirical measurements of old-growth forest ecosystem C to yield a regional distribution of potential maximum total-ecosystem organic C stores. The region under consideration is 179,000 square kilometers extending from the southern Oregon border to the northern Washington border, and from the Pacific Ocean to the east side of the Cascade Mountains. Total ecosystem organic C (TEC) was measured in 16 diverse old-growth forests encompassing 35 stands and 79 pedons to a depth of 100
cm. The TEC ranged between 185 and 1200
Mg
C
ha
−1. On an average, 63% of TEC was in the vegetation, 13% in woody detritus, 3% in the forest floor, 7% in the 0–20
cm mineral soil, and 13% in 20–100
cm mineral soil. The TEC was strongly related to soil organic C (SOC) in the 0–20
cm mineral soil, yielding a monotonically increasing, curvilinear relation. To apply this relation to estimate the TEC distribution throughout the region, 211 map units of the state soils geographic database (STATSGO) were used. The SOC in the 0–20
cm mineral soil of the map units was consistent with values from previously measured pedons distributed throughout the region. Resampling of 13 second-growth forests 25 years after initial sampling indicated no regional change in mineral SOC, and supported the use of a static state soils map. The SOC spatial distribution combined with the quantitative old-growth TEC–SOC relation yielded an estimate of potential TEC storage throughout the region under the hypothetical condition of old-growth forest coverage. The area-weighted TEC was 760
Mg
C
ha
−1. This is ∼100
Mg
C
ha
−1 more than a previous estimate based on a coarser resolution of six physiographic provinces, and ∼400
Mg
C
ha
−1 more than current regional stores. The map of potential TEC may be useful in forecasting regional C dynamics and in land-management decisions related to C sequestration.</description><subject>Animal and plant ecology</subject><subject>Animal, plant and microbial ecology</subject><subject>Biological and medical sciences</subject><subject>C sequestration</subject><subject>carbon sequestration</subject><subject>cartography</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>geographical variation</subject><subject>land management</subject><subject>mineral soils</subject><subject>Old-growth forest</subject><subject>old-growth forests</subject><subject>Pacific Northwest</subject><subject>regions</subject><subject>Soil organic C</subject><subject>soil organic matter</subject><subject>soil surveys</subject><subject>spatial variation</subject><subject>Synecology</subject><subject>Terrestrial ecosystems</subject><subject>Total ecosystem C</subject><subject>vegetation</subject><issn>0378-1127</issn><issn>1872-7042</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><recordid>eNp9kE1r3DAQhkVpoNuk_6BQXdpT7Y4-bMk9FMLSLwhJIF16q9DKo6wWr5VISkr-fZU60FsvM5fnfWd4CHnNoGXA-g_71seELrYcoGtBtyC6Z2TFtOKNAsmfkxUIpRvGuHpBXua8hwp2Uq_Ir587W2jZIc0xTDThPdopf6SXseBcgp1oiaXO2p4fcsEDXdNc6rVMo_-bu7Qu-ODoeUxl9xtzqSXXIc7v6ebq9IQc-dqHr572Mdl8-fxj_a05u_j6fX161jgxsNL0CkWPbFDSczayAcaOeTUO263oNFMasNdyRKW8AOUdbkeJnQbZe-5Hu-3FMXm39N6keHtXnzCHkB1Ok50x3mXDlATBQVRQLqBLMeeE3tykcLDpwTAwjzLN3iwyzaNMA9pUmTX29qnfZmcnn-zsQv6XVVz3ehgq92bhvI3GXqfKbK44MAEMpOg7VolPC4FVx33AZLILODscQ71azBjD_1_5A2kplW0</recordid><startdate>20051210</startdate><enddate>20051210</enddate><creator>Homann, Peter S.</creator><creator>Harmon, Mark</creator><creator>Remillard, Suzanne</creator><creator>Smithwick, Erica A.H.</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>FBQ</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SN</scope><scope>7ST</scope><scope>7U6</scope><scope>C1K</scope></search><sort><creationdate>20051210</creationdate><title>What the soil reveals: Potential total ecosystem C stores of the Pacific Northwest region, USA</title><author>Homann, Peter S. ; Harmon, Mark ; Remillard, Suzanne ; Smithwick, Erica A.H.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c391t-67e36e1974f21d190d51f7d9bb3581780e684de77f307fcebd4e58046f2fdab63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2005</creationdate><topic>Animal and plant ecology</topic><topic>Animal, plant and microbial ecology</topic><topic>Biological and medical sciences</topic><topic>C sequestration</topic><topic>carbon sequestration</topic><topic>cartography</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>geographical variation</topic><topic>land management</topic><topic>mineral soils</topic><topic>Old-growth forest</topic><topic>old-growth forests</topic><topic>Pacific Northwest</topic><topic>regions</topic><topic>Soil organic C</topic><topic>soil organic matter</topic><topic>soil surveys</topic><topic>spatial variation</topic><topic>Synecology</topic><topic>Terrestrial ecosystems</topic><topic>Total ecosystem C</topic><topic>vegetation</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Homann, Peter S.</creatorcontrib><creatorcontrib>Harmon, Mark</creatorcontrib><creatorcontrib>Remillard, Suzanne</creatorcontrib><creatorcontrib>Smithwick, Erica A.H.</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Ecology Abstracts</collection><collection>Environment Abstracts</collection><collection>Sustainability Science Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><jtitle>Forest ecology and management</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Homann, Peter S.</au><au>Harmon, Mark</au><au>Remillard, Suzanne</au><au>Smithwick, Erica A.H.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>What the soil reveals: Potential total ecosystem C stores of the Pacific Northwest region, USA</atitle><jtitle>Forest ecology and management</jtitle><date>2005-12-10</date><risdate>2005</risdate><volume>220</volume><issue>1</issue><spage>270</spage><epage>283</epage><pages>270-283</pages><issn>0378-1127</issn><eissn>1872-7042</eissn><coden>FECMDW</coden><abstract>How much organic C can a region naturally store in its ecosystems? How can this be determined, when land management has altered the vegetation of the landscape substantially? The answers may lie in the soil: this study synthesized the spatial distribution of soil properties derived from the state soils geographic database with empirical measurements of old-growth forest ecosystem C to yield a regional distribution of potential maximum total-ecosystem organic C stores. The region under consideration is 179,000 square kilometers extending from the southern Oregon border to the northern Washington border, and from the Pacific Ocean to the east side of the Cascade Mountains. Total ecosystem organic C (TEC) was measured in 16 diverse old-growth forests encompassing 35 stands and 79 pedons to a depth of 100
cm. The TEC ranged between 185 and 1200
Mg
C
ha
−1. On an average, 63% of TEC was in the vegetation, 13% in woody detritus, 3% in the forest floor, 7% in the 0–20
cm mineral soil, and 13% in 20–100
cm mineral soil. The TEC was strongly related to soil organic C (SOC) in the 0–20
cm mineral soil, yielding a monotonically increasing, curvilinear relation. To apply this relation to estimate the TEC distribution throughout the region, 211 map units of the state soils geographic database (STATSGO) were used. The SOC in the 0–20
cm mineral soil of the map units was consistent with values from previously measured pedons distributed throughout the region. Resampling of 13 second-growth forests 25 years after initial sampling indicated no regional change in mineral SOC, and supported the use of a static state soils map. The SOC spatial distribution combined with the quantitative old-growth TEC–SOC relation yielded an estimate of potential TEC storage throughout the region under the hypothetical condition of old-growth forest coverage. The area-weighted TEC was 760
Mg
C
ha
−1. This is ∼100
Mg
C
ha
−1 more than a previous estimate based on a coarser resolution of six physiographic provinces, and ∼400
Mg
C
ha
−1 more than current regional stores. The map of potential TEC may be useful in forecasting regional C dynamics and in land-management decisions related to C sequestration.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.foreco.2005.08.035</doi><tpages>14</tpages><oa>free_for_read</oa></addata></record> |
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ispartof | Forest ecology and management, 2005-12, Vol.220 (1), p.270-283 |
issn | 0378-1127 1872-7042 |
language | eng |
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source | Access via ScienceDirect (Elsevier) |
subjects | Animal and plant ecology Animal, plant and microbial ecology Biological and medical sciences C sequestration carbon sequestration cartography Fundamental and applied biological sciences. Psychology geographical variation land management mineral soils Old-growth forest old-growth forests Pacific Northwest regions Soil organic C soil organic matter soil surveys spatial variation Synecology Terrestrial ecosystems Total ecosystem C vegetation |
title | What the soil reveals: Potential total ecosystem C stores of the Pacific Northwest region, USA |
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