Evaluating terrestrial carbon sequestration options for Virginia.
Identifieur interne : 000A65 ( Main/Curation ); précédent : 000A64; suivant : 000A66Evaluating terrestrial carbon sequestration options for Virginia.
Auteurs : Jeffrey S. Galang [États-Unis] ; Carl E. Zipper ; Stephen P. Prisley ; John M. Galbraith ; Patricia F. DonovanSource :
- Environmental management [ 0364-152X ] ; 2007.
English descriptors
- KwdEn :
- MESH :
- chemical , chemistry : Carbon.
- geographic : Virginia.
- Crops, Agricultural.
Abstract
Changes in forest and agricultural land management practices have the potential to increase carbon (C) storage by terrestrial systems, thus offsetting C emissions to the atmosphere from energy production. This study assesses that potential for three terrestrial management practices within the state of Virginia, USA: afforestation of marginal agricultural lands; afforestation of riparian agricultural lands; and changing tillage practices for row crops; each was evaluated on a statewide basis and for seven regions within the state. Lands eligible for each practice were identified, and the C storage potential of each practice on those lands was estimated through a modeling procedure that utilized land-resource characteristics represented in Geographic Information System databases. Marginal agricultural lands' afforestation was found to have the greatest potential (1.4 Tg C yr(-1), on average, over the first 20 years) if applied on all eligible lands, followed by riparian afforestation (0.2 Tg C yr(-1) over 20 years) and tillage conversion (0.1 Tg C yr(-1) over 14 years). The regions with the largest potentials are the Ridge and Valley of western Virginia (due to extensive areas of steep, shallow soils) and in the Mid-Atlantic Coastal Plain in eastern Virginia (wet soils). Although widespread and rapid implementation of the three modeled practices could be expected to offset only about 3.4% of Virginia's energy-related CO(2) emissions over the following 20 years (equivalent to about 8.5% of a Kyoto Treaty-based target), they could contribute to achievement of C-management goals if implemented along with other mitigation measures.
DOI: 10.1007/s00267-005-0368-y
PubMed: 17131212
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pubmed:17131212Le document en format XML
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Zipper</name></author><author><name sortKey="Prisley, Stephen P" sort="Prisley, Stephen P" uniqKey="Prisley S" first="Stephen P" last="Prisley">Stephen P. Prisley</name></author><author><name sortKey="Galbraith, John M" sort="Galbraith, John M" uniqKey="Galbraith J" first="John M" last="Galbraith">John M. Galbraith</name></author><author><name sortKey="Donovan, Patricia F" sort="Donovan, Patricia F" uniqKey="Donovan P" first="Patricia F" last="Donovan">Patricia F. 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Galang</name><affiliation wicri:level="2"><nlm:affiliation>Department of Crop and Soil Environmental Sciences, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, USA.</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Crop and Soil Environmental Sciences, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061</wicri:regionArea><placeName><region type="state">Virginie</region></placeName></affiliation></author><author><name sortKey="Zipper, Carl E" sort="Zipper, Carl E" uniqKey="Zipper C" first="Carl E" last="Zipper">Carl E. Zipper</name></author><author><name sortKey="Prisley, Stephen P" sort="Prisley, Stephen P" uniqKey="Prisley S" first="Stephen P" last="Prisley">Stephen P. Prisley</name></author><author><name sortKey="Galbraith, John M" sort="Galbraith, John M" uniqKey="Galbraith J" first="John M" last="Galbraith">John M. Galbraith</name></author><author><name sortKey="Donovan, Patricia F" sort="Donovan, Patricia F" uniqKey="Donovan P" first="Patricia F" last="Donovan">Patricia F. Donovan</name></author></analytic><series><title level="j">Environmental management</title><idno type="ISSN">0364-152X</idno><imprint><date when="2007" type="published">2007</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Carbon (chemistry)</term><term>Crops, Agricultural</term><term>Virginia</term></keywords><keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Carbon</term></keywords><keywords scheme="MESH" type="geographic" xml:lang="en"><term>Virginia</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Crops, Agricultural</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Changes in forest and agricultural land management practices have the potential to increase carbon (C) storage by terrestrial systems, thus offsetting C emissions to the atmosphere from energy production. This study assesses that potential for three terrestrial management practices within the state of Virginia, USA: afforestation of marginal agricultural lands; afforestation of riparian agricultural lands; and changing tillage practices for row crops; each was evaluated on a statewide basis and for seven regions within the state. Lands eligible for each practice were identified, and the C storage potential of each practice on those lands was estimated through a modeling procedure that utilized land-resource characteristics represented in Geographic Information System databases. Marginal agricultural lands' afforestation was found to have the greatest potential (1.4 Tg C yr(-1), on average, over the first 20 years) if applied on all eligible lands, followed by riparian afforestation (0.2 Tg C yr(-1) over 20 years) and tillage conversion (0.1 Tg C yr(-1) over 14 years). The regions with the largest potentials are the Ridge and Valley of western Virginia (due to extensive areas of steep, shallow soils) and in the Mid-Atlantic Coastal Plain in eastern Virginia (wet soils). Although widespread and rapid implementation of the three modeled practices could be expected to offset only about 3.4% of Virginia's energy-related CO(2) emissions over the following 20 years (equivalent to about 8.5% of a Kyoto Treaty-based target), they could contribute to achievement of C-management goals if implemented along with other mitigation measures.</div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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