Initial greenhouse gas emissions and nitrogen leaching losses associated with converting pastureland to short-rotation woody bioenergy crops in northern Michigan, USA
We assessed the short-term effects of converting pastureland to hybrid poplar and willow bioenergy plantations on soil greenhouse gas (GHG) fluxes and nitrogen (N) leaching in northern Michigan, USA. We used static chambers to measure soil carbon dioxide (CO2), nitrous oxide (N2O) and methane (CH4)...
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description | We assessed the short-term effects of converting pastureland to hybrid poplar and willow bioenergy plantations on soil greenhouse gas (GHG) fluxes and nitrogen (N) leaching in northern Michigan, USA. We used static chambers to measure soil carbon dioxide (CO2), nitrous oxide (N2O) and methane (CH4) efflux, and tension lysimeters to measure nitrate (NO3−) leaching, in newly-established poplar and willow plantation plots, and in reference pasture plots. Emissions of N2O increased markedly following cultivation with cumulative direct N2O emissions of 0.3, 4.6 and 5.9Mgha−1 of CO2 equivalents (CO2eq) in the reference, willow and poplar plots, respectively. Similarly, land conversion resulted in large increases of NO3− leaching with losses of 2.6, 38.8 and 53.9kgha−1 of N from the reference, willow and poplar plots, respectively. Soil CO2 fluxes were significantly affected by land-use conversion; soils from willow and poplar plots emitted 29–42% less CO2 relative to the reference plots. Greater root respiration in the pastureland likely explained the greater soil CO2 efflux in these plots. Estimates of the net GHG emissions due to land-use conversion were strongly influenced by assumptions regarding the root contribution (RC) to total soil CO2 efflux. Assuming an RC=50%, we estimate that pastureland conversion at this site incurred GHG debts of 7.4 and 11.6Mgha−1y−1 as CO2eq for willow and poplar, respectively, during the establishment year. These results demonstrate the need to include soil disturbance impacts on the N cycle in future life cycle assessment of these bioenergy crops.
► We assess the short-term effects of pastureland conversion on soil GHG fluxes. ► Effects of pasture conversion to bioenergy crop production on N leaching losses. ► Emissions of N2O and NO3− leaching increased markedly following land conversion. ► CO2 flux was influenced by assumption of root contribution to total soil CO2 efflux. ► There is the need to include soil disturbance impacts on the N cycle in LCAs. |
doi_str_mv | 10.1016/j.biombioe.2012.01.037 |
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► We assess the short-term effects of pastureland conversion on soil GHG fluxes. ► Effects of pasture conversion to bioenergy crop production on N leaching losses. ► Emissions of N2O and NO3− leaching increased markedly following land conversion. ► CO2 flux was influenced by assumption of root contribution to total soil CO2 efflux. ► There is the need to include soil disturbance impacts on the N cycle in LCAs.</description><identifier>ISSN: 0961-9534</identifier><identifier>EISSN: 1873-2909</identifier><identifier>DOI: 10.1016/j.biombioe.2012.01.037</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>Agronomy. Soil science and plant productions ; Biofuels ; Biological and medical sciences ; Carbon debt ; Fundamental and applied biological sciences. Psychology ; Land use conversion ; Pastureland ; Physical properties ; Physics, chemistry, biochemistry and biology of agricultural and forest soils ; Populus spp ; Salix spp ; Soil science ; Structure, texture, density, mechanical behavior. Heat and gas exchanges ; Tillage</subject><ispartof>Biomass & bioenergy, 2012-04, Vol.39, p.413-426</ispartof><rights>2012 Elsevier Ltd</rights><rights>2014 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c435t-cd23291b9c69f5ddd748854d48e65b0ba3b3719ce8a8d0e98b2d614d8f4c2de03</citedby><cites>FETCH-LOGICAL-c435t-cd23291b9c69f5ddd748854d48e65b0ba3b3719ce8a8d0e98b2d614d8f4c2de03</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.biombioe.2012.01.037$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>230,309,310,314,780,784,789,790,885,3550,23930,23931,25140,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=26116417$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.osti.gov/biblio/1152795$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Nikièma, Paligwende</creatorcontrib><creatorcontrib>Rothstein, David E.</creatorcontrib><creatorcontrib>Miller, Raymond O.</creatorcontrib><creatorcontrib>Great Lakes Bioenergy Research Center (GLBRC)</creatorcontrib><title>Initial greenhouse gas emissions and nitrogen leaching losses associated with converting pastureland to short-rotation woody bioenergy crops in northern Michigan, USA</title><title>Biomass & bioenergy</title><description>We assessed the short-term effects of converting pastureland to hybrid poplar and willow bioenergy plantations on soil greenhouse gas (GHG) fluxes and nitrogen (N) leaching in northern Michigan, USA. We used static chambers to measure soil carbon dioxide (CO2), nitrous oxide (N2O) and methane (CH4) efflux, and tension lysimeters to measure nitrate (NO3−) leaching, in newly-established poplar and willow plantation plots, and in reference pasture plots. Emissions of N2O increased markedly following cultivation with cumulative direct N2O emissions of 0.3, 4.6 and 5.9Mgha−1 of CO2 equivalents (CO2eq) in the reference, willow and poplar plots, respectively. Similarly, land conversion resulted in large increases of NO3− leaching with losses of 2.6, 38.8 and 53.9kgha−1 of N from the reference, willow and poplar plots, respectively. Soil CO2 fluxes were significantly affected by land-use conversion; soils from willow and poplar plots emitted 29–42% less CO2 relative to the reference plots. Greater root respiration in the pastureland likely explained the greater soil CO2 efflux in these plots. Estimates of the net GHG emissions due to land-use conversion were strongly influenced by assumptions regarding the root contribution (RC) to total soil CO2 efflux. Assuming an RC=50%, we estimate that pastureland conversion at this site incurred GHG debts of 7.4 and 11.6Mgha−1y−1 as CO2eq for willow and poplar, respectively, during the establishment year. These results demonstrate the need to include soil disturbance impacts on the N cycle in future life cycle assessment of these bioenergy crops.
► We assess the short-term effects of pastureland conversion on soil GHG fluxes. ► Effects of pasture conversion to bioenergy crop production on N leaching losses. ► Emissions of N2O and NO3− leaching increased markedly following land conversion. ► CO2 flux was influenced by assumption of root contribution to total soil CO2 efflux. ► There is the need to include soil disturbance impacts on the N cycle in LCAs.</description><subject>Agronomy. Soil science and plant productions</subject><subject>Biofuels</subject><subject>Biological and medical sciences</subject><subject>Carbon debt</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Land use conversion</subject><subject>Pastureland</subject><subject>Physical properties</subject><subject>Physics, chemistry, biochemistry and biology of agricultural and forest soils</subject><subject>Populus spp</subject><subject>Salix spp</subject><subject>Soil science</subject><subject>Structure, texture, density, mechanical behavior. Heat and gas exchanges</subject><subject>Tillage</subject><issn>0961-9534</issn><issn>1873-2909</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><recordid>eNqNkcFu1DAURS0EEsPALyALCYkFCXbiJM6Oqiq0UhEL6Npy7JfEo4w9-HlazQ_xnTiali0sLC987nu-9xLylrOSM95-2pWDC_t8oKwYr0rGS1Z3z8iGy64uqp71z8mG9S0v-qYWL8krxB1jXDDBN-T3jXfJ6YVOEcDP4YhAJ40U9g7RBY9Ue0szE8MEni6gzez8RJeACPkRMRinE1j64NJMTfD3ENNKHDSmY4Rl1adAcQ4xFTEknfJY-hCCPdH10x7idKImhgNS56nP2AzR028ub5q0_0jvfly8Ji9GvSC8eby35O7L1c_L6-L2-9eby4vbwoi6SYWxVV31fOhN24-NtbYTUjbCCgltM7BB10Pd8d6A1NIy6OVQ2ZYLK0dhKgus3pJ357kBk1NoXAIzZ1MeTFKcN1WXM9ySD2foEMOvI2BSOSwDS7YKOUDFGZNSCMnlf6JM9m1G2zOao0CMMKpDdHsdTxlSa9Fqp56KVmvRinGVi87C9487NBq9jFF74_Cvumo5bwVfuc9nDnKA9w7i6g-8Aevias8G969VfwB-0cX4</recordid><startdate>20120401</startdate><enddate>20120401</enddate><creator>Nikièma, Paligwende</creator><creator>Rothstein, David E.</creator><creator>Miller, Raymond O.</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QO</scope><scope>7ST</scope><scope>7TV</scope><scope>7U6</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>P64</scope><scope>SOI</scope><scope>OTOTI</scope></search><sort><creationdate>20120401</creationdate><title>Initial greenhouse gas emissions and nitrogen leaching losses associated with converting pastureland to short-rotation woody bioenergy crops in northern Michigan, USA</title><author>Nikièma, Paligwende ; Rothstein, David E. ; Miller, Raymond O.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c435t-cd23291b9c69f5ddd748854d48e65b0ba3b3719ce8a8d0e98b2d614d8f4c2de03</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Agronomy. Soil science and plant productions</topic><topic>Biofuels</topic><topic>Biological and medical sciences</topic><topic>Carbon debt</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Land use conversion</topic><topic>Pastureland</topic><topic>Physical properties</topic><topic>Physics, chemistry, biochemistry and biology of agricultural and forest soils</topic><topic>Populus spp</topic><topic>Salix spp</topic><topic>Soil science</topic><topic>Structure, texture, density, mechanical behavior. Heat and gas exchanges</topic><topic>Tillage</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Nikièma, Paligwende</creatorcontrib><creatorcontrib>Rothstein, David E.</creatorcontrib><creatorcontrib>Miller, Raymond O.</creatorcontrib><creatorcontrib>Great Lakes Bioenergy Research Center (GLBRC)</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Biotechnology Research Abstracts</collection><collection>Environment Abstracts</collection><collection>Pollution Abstracts</collection><collection>Sustainability Science Abstracts</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>Environment Abstracts</collection><collection>OSTI.GOV</collection><jtitle>Biomass & bioenergy</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Nikièma, Paligwende</au><au>Rothstein, David E.</au><au>Miller, Raymond O.</au><aucorp>Great Lakes Bioenergy Research Center (GLBRC)</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Initial greenhouse gas emissions and nitrogen leaching losses associated with converting pastureland to short-rotation woody bioenergy crops in northern Michigan, USA</atitle><jtitle>Biomass & bioenergy</jtitle><date>2012-04-01</date><risdate>2012</risdate><volume>39</volume><spage>413</spage><epage>426</epage><pages>413-426</pages><issn>0961-9534</issn><eissn>1873-2909</eissn><abstract>We assessed the short-term effects of converting pastureland to hybrid poplar and willow bioenergy plantations on soil greenhouse gas (GHG) fluxes and nitrogen (N) leaching in northern Michigan, USA. We used static chambers to measure soil carbon dioxide (CO2), nitrous oxide (N2O) and methane (CH4) efflux, and tension lysimeters to measure nitrate (NO3−) leaching, in newly-established poplar and willow plantation plots, and in reference pasture plots. Emissions of N2O increased markedly following cultivation with cumulative direct N2O emissions of 0.3, 4.6 and 5.9Mgha−1 of CO2 equivalents (CO2eq) in the reference, willow and poplar plots, respectively. Similarly, land conversion resulted in large increases of NO3− leaching with losses of 2.6, 38.8 and 53.9kgha−1 of N from the reference, willow and poplar plots, respectively. Soil CO2 fluxes were significantly affected by land-use conversion; soils from willow and poplar plots emitted 29–42% less CO2 relative to the reference plots. Greater root respiration in the pastureland likely explained the greater soil CO2 efflux in these plots. Estimates of the net GHG emissions due to land-use conversion were strongly influenced by assumptions regarding the root contribution (RC) to total soil CO2 efflux. Assuming an RC=50%, we estimate that pastureland conversion at this site incurred GHG debts of 7.4 and 11.6Mgha−1y−1 as CO2eq for willow and poplar, respectively, during the establishment year. These results demonstrate the need to include soil disturbance impacts on the N cycle in future life cycle assessment of these bioenergy crops.
► We assess the short-term effects of pastureland conversion on soil GHG fluxes. ► Effects of pasture conversion to bioenergy crop production on N leaching losses. ► Emissions of N2O and NO3− leaching increased markedly following land conversion. ► CO2 flux was influenced by assumption of root contribution to total soil CO2 efflux. ► There is the need to include soil disturbance impacts on the N cycle in LCAs.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.biombioe.2012.01.037</doi><tpages>14</tpages></addata></record> |
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subjects | Agronomy. Soil science and plant productions Biofuels Biological and medical sciences Carbon debt Fundamental and applied biological sciences. Psychology Land use conversion Pastureland Physical properties Physics, chemistry, biochemistry and biology of agricultural and forest soils Populus spp Salix spp Soil science Structure, texture, density, mechanical behavior. Heat and gas exchanges Tillage |
title | Initial greenhouse gas emissions and nitrogen leaching losses associated with converting pastureland to short-rotation woody bioenergy crops in northern Michigan, USA |
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