Modifying the G'DAY process-based model to simulate the spatial variability of Eucalyptus plantation growth on deep tropical soils
Identifieur interne : 004F57 ( Main/Merge ); précédent : 004F56; suivant : 004F58Modifying the G'DAY process-based model to simulate the spatial variability of Eucalyptus plantation growth on deep tropical soils
Auteurs : Claire Marsden [France] ; Yann Nouvellon [France, Brésil] ; Jean-Paul Laclau [France, Brésil] ; Marc Corbeels [France] ; Ross E. Mcmurtrie [Australie] ; José Luiz Stape [États-Unis] ; Daniel Epron [France] ; Guerric Le Maire [France]Source :
- Forest ecology and management [ 0378-1127 ] ; 2013.
Descripteurs français
- Pascal (Inist)
- Modèle simulation, Variabilité spatiale, Peuplement forestier artificiel, Ecophysiologie, Modélisation, Limite, Foresterie, Modèle phénoménologique, Approvisionnement eau, Eucalyptus, Brésil, Sol tropical, Approche mécaniste, <<>>, Modèle orienté processus, Sol profond, Eau disponible, Ecologie forestière.
- Wicri :
- geographic : Brésil.
English descriptors
- KwdEn :
Abstract
Large differences in productivity have been observed between neighboring Eucalyptus plantations in Brazil, that cannot be explained by climate and are unlikely to be due solely to altered management practices. Current ecophysiological models used by forestry companies to simulate stand development in large plantation zones rely on empirical site fertility indices (representing water and nutrient availability) to capture this spatial variability in growth rates. We propose a model that requires no empirical assessment of site fertility to simulate stand growth over entire rotations. We applied a modified version of the G'DAY model of carbon, nitrogen and water cycling at a daily time step to short-rotation plantations located in São Paulo State, including a simple mechanistic description of the effect of water availability on growth. The progressive and rapid root exploration of deep soil layers was modeled in a simple way, by considering that maximum plant available water increased with mean tree height. The model was parameterized using detailed measurements made over the entire rotation of an experimental stand of Eucalyptus grandis, and was subsequently applied to 16 clonal stands managed in a similar way by one company, but with different planting dates and contrasting productivity levels. Stem biomass simulations, driven by daily weather data (maximum and minimum air temperatures, global radiation and rainfall), were strongly correlated with company inventory estimates of stem biomass carried out at different ages. The temporal variation of leaf area index was also adequately simulated, as was shown by comparison with leaf area index derived from satellite data. The model was able to capture more than 95% of the variability of standing stem biomass and more than 85% of the variability of stem growth measured on these stands, provided spatial differences in soil water holding capacity were taken into account.
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en" level="a">Modifying the G'DAY process-based model to simulate the spatial variability of Eucalyptus plantation growth on deep tropical soils</title><author><name sortKey="Marsden, Claire" sort="Marsden, Claire" uniqKey="Marsden C" first="Claire" last="Marsden">Claire Marsden</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Montpellier SupAgro, UMR Eco&Sols, Bât 12, 2 Place Pierre Viala</s1><s2>34060 Montpellier</s2><s3>FRA</s3><sZ>1 aut.</sZ></inist:fA14><country>France</country><wicri:noRegion>34060 Montpellier</wicri:noRegion><placeName><settlement type="city">Montpellier</settlement><region type="region" nuts="2">Occitanie (région administrative)</region><region type="old region" nuts="2">Languedoc-Roussillon</region></placeName></affiliation></author><author><name sortKey="Nouvellon, Yann" sort="Nouvellon, Yann" uniqKey="Nouvellon Y" first="Yann" last="Nouvellon">Yann Nouvellon</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>CIRAD, UMR Eco&Sols, Bât 12, 2 Place Pierre Viala</s1><s2>34060 Montpellier</s2><s3>FRA</s3><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>8 aut.</sZ></inist:fA14><country>France</country><wicri:noRegion>34060 Montpellier</wicri:noRegion><placeName><settlement type="city">Montpellier</settlement><region type="region" nuts="2">Occitanie (région administrative)</region><region type="old region" nuts="2">Languedoc-Roussillon</region></placeName></affiliation><affiliation wicri:level="4"><inist:fA14 i1="03"><s1>Departamento de Ciências Atmosféricas, IAC, Universidade de São Paulo, Rua do Matão, 1226 Cidade Universitária</s1><s2>São Paulo, SP, CEP 05508-900</s2><s3>BRA</s3><sZ>2 aut.</sZ></inist:fA14><country>Brésil</country><wicri:noRegion>São Paulo, SP, CEP 05508-900</wicri:noRegion><orgName type="university">Université de São Paulo</orgName><placeName><settlement type="city">São Paulo</settlement><region type="state">État de São Paulo</region></placeName></affiliation></author><author><name sortKey="Laclau, Jean Paul" sort="Laclau, Jean Paul" uniqKey="Laclau J" first="Jean-Paul" last="Laclau">Jean-Paul Laclau</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>CIRAD, UMR Eco&Sols, Bât 12, 2 Place Pierre Viala</s1><s2>34060 Montpellier</s2><s3>FRA</s3><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>8 aut.</sZ></inist:fA14><country>France</country><wicri:noRegion>34060 Montpellier</wicri:noRegion><placeName><settlement type="city">Montpellier</settlement><region type="region" nuts="2">Occitanie (région administrative)</region><region type="old region" nuts="2">Languedoc-Roussillon</region></placeName></affiliation><affiliation wicri:level="1"><inist:fA14 i1="04"><s1>Universidade de Sao Paulo ESALQ, 11 Av. Pádua Dias</s1><s2>Piracicaba, SP 13418-900</s2><s3>BRA</s3><sZ>3 aut.</sZ></inist:fA14><country>Brésil</country><wicri:noRegion>Piracicaba, SP 13418-900</wicri:noRegion></affiliation></author><author><name sortKey="Corbeels, Marc" sort="Corbeels, Marc" uniqKey="Corbeels M" first="Marc" last="Corbeels">Marc Corbeels</name><affiliation wicri:level="1"><inist:fA14 i1="05"><s1>CIRAD, UR Systèmes de Culture Annuels</s1><s2>34398 Montpellier</s2><s3>FRA</s3><sZ>4 aut.</sZ></inist:fA14><country>France</country><wicri:noRegion>34398 Montpellier</wicri:noRegion><placeName><settlement type="city">Montpellier</settlement><region type="region" nuts="2">Occitanie (région administrative)</region><region type="old region" nuts="2">Languedoc-Roussillon</region></placeName></affiliation></author><author><name sortKey="Mcmurtrie, Ross E" sort="Mcmurtrie, Ross E" uniqKey="Mcmurtrie R" first="Ross E." last="Mcmurtrie">Ross E. Mcmurtrie</name><affiliation wicri:level="1"><inist:fA14 i1="06"><s1>School of Biological, Earth and Environmental Sciences, The University of New South Wales</s1><s2>NSW 2052</s2><s3>AUS</s3><sZ>5 aut.</sZ></inist:fA14><country>Australie</country><wicri:noRegion>NSW 2052</wicri:noRegion></affiliation></author><author><name sortKey="Luiz Stape, Jose" sort="Luiz Stape, Jose" uniqKey="Luiz Stape J" first="José" last="Luiz Stape">José Luiz Stape</name><affiliation wicri:level="1"><inist:fA14 i1="07"><s1>Department of Forestry and Environmental Resources, North Carolina State University</s1><s2>Raleigh, NC 27695</s2><s3>USA</s3><sZ>6 aut.</sZ></inist:fA14><country>États-Unis</country><wicri:noRegion>Raleigh, NC 27695</wicri:noRegion></affiliation></author><author><name sortKey="Epron, Daniel" sort="Epron, Daniel" uniqKey="Epron D" first="Daniel" last="Epron">Daniel Epron</name><affiliation wicri:level="4"><inist:fA14 i1="08"><s1>Université de Lorraine, UMR 1137, Ecologie et Ecophysiologie Forestières</s1><s2>54280 Champenoux</s2><s3>FRA</s3><sZ>7 aut.</sZ></inist:fA14><country>France</country><wicri:noRegion>54280 Champenoux</wicri:noRegion><wicri:noRegion>Ecologie et Ecophysiologie Forestières</wicri:noRegion><wicri:noRegion>54280 Champenoux</wicri:noRegion><orgName type="university">Université de Lorraine</orgName><placeName><settlement type="city">Nancy</settlement><settlement type="city">Metz</settlement><region type="region" nuts="2">Grand Est</region><region type="old region" nuts="2">Lorraine (région)</region></placeName></affiliation></author><author><name sortKey="Le Maire, Guerric" sort="Le Maire, Guerric" uniqKey="Le Maire G" first="Guerric" last="Le Maire">Guerric Le Maire</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>CIRAD, UMR Eco&Sols, Bât 12, 2 Place Pierre Viala</s1><s2>34060 Montpellier</s2><s3>FRA</s3><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>8 aut.</sZ></inist:fA14><country>France</country><wicri:noRegion>34060 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process-based model to simulate the spatial variability of Eucalyptus plantation growth on deep tropical soils</title><author><name sortKey="Marsden, Claire" sort="Marsden, Claire" uniqKey="Marsden C" first="Claire" last="Marsden">Claire Marsden</name><affiliation wicri:level="3"><inist:fA14 i1="01"><s1>Montpellier SupAgro, UMR Eco&Sols, Bât 12, 2 Place Pierre Viala</s1><s2>34060 Montpellier</s2><s3>FRA</s3><sZ>1 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Occitanie (région administrative)</region><region type="old region" nuts="2">Languedoc-Roussillon</region><settlement type="city">Montpellier</settlement></placeName></affiliation></author><author><name sortKey="Nouvellon, Yann" sort="Nouvellon, Yann" uniqKey="Nouvellon Y" first="Yann" last="Nouvellon">Yann Nouvellon</name><affiliation wicri:level="3"><inist:fA14 i1="02"><s1>CIRAD, UMR Eco&Sols, Bât 12, 2 Place Pierre Viala</s1><s2>34060 Montpellier</s2><s3>FRA</s3><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>8 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Occitanie (région administrative)</region><region type="old region" nuts="2">Languedoc-Roussillon</region><settlement type="city">Montpellier</settlement></placeName></affiliation><affiliation wicri:level="4"><inist:fA14 i1="03"><s1>Departamento de Ciências Atmosféricas, IAC, Universidade de São Paulo, Rua do Matão, 1226 Cidade Universitária</s1><s2>São Paulo, SP, CEP 05508-900</s2><s3>BRA</s3><sZ>2 aut.</sZ></inist:fA14><country>Brésil</country><wicri:noRegion>São Paulo, SP, CEP 05508-900</wicri:noRegion><orgName type="university">Université de São Paulo</orgName><placeName><settlement type="city">São Paulo</settlement><region type="state">État de São Paulo</region></placeName></affiliation></author><author><name sortKey="Laclau, Jean Paul" sort="Laclau, Jean Paul" uniqKey="Laclau J" first="Jean-Paul" last="Laclau">Jean-Paul Laclau</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>CIRAD, UMR Eco&Sols, Bât 12, 2 Place Pierre Viala</s1><s2>34060 Montpellier</s2><s3>FRA</s3><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>8 aut.</sZ></inist:fA14><country>France</country><wicri:noRegion>34060 Montpellier</wicri:noRegion><placeName><settlement type="city">Montpellier</settlement><region type="region" nuts="2">Occitanie (région administrative)</region><region type="old region" nuts="2">Languedoc-Roussillon</region></placeName></affiliation><affiliation wicri:level="1"><inist:fA14 i1="04"><s1>Universidade de Sao Paulo ESALQ, 11 Av. Pádua Dias</s1><s2>Piracicaba, SP 13418-900</s2><s3>BRA</s3><sZ>3 aut.</sZ></inist:fA14><country>Brésil</country><wicri:noRegion>Piracicaba, SP 13418-900</wicri:noRegion></affiliation></author><author><name sortKey="Corbeels, Marc" sort="Corbeels, Marc" uniqKey="Corbeels M" first="Marc" last="Corbeels">Marc Corbeels</name><affiliation wicri:level="1"><inist:fA14 i1="05"><s1>CIRAD, UR Systèmes de Culture Annuels</s1><s2>34398 Montpellier</s2><s3>FRA</s3><sZ>4 aut.</sZ></inist:fA14><country>France</country><wicri:noRegion>34398 Montpellier</wicri:noRegion><placeName><settlement type="city">Montpellier</settlement><region type="region" nuts="2">Occitanie (région administrative)</region><region type="old region" nuts="2">Languedoc-Roussillon</region></placeName></affiliation></author><author><name sortKey="Mcmurtrie, Ross E" sort="Mcmurtrie, Ross E" uniqKey="Mcmurtrie R" first="Ross E." last="Mcmurtrie">Ross E. Mcmurtrie</name><affiliation wicri:level="1"><inist:fA14 i1="06"><s1>School of Biological, Earth and Environmental Sciences, The University of New South Wales</s1><s2>NSW 2052</s2><s3>AUS</s3><sZ>5 aut.</sZ></inist:fA14><country>Australie</country><wicri:noRegion>NSW 2052</wicri:noRegion></affiliation></author><author><name sortKey="Luiz Stape, Jose" sort="Luiz Stape, Jose" uniqKey="Luiz Stape J" first="José" last="Luiz Stape">José Luiz Stape</name><affiliation wicri:level="1"><inist:fA14 i1="07"><s1>Department of Forestry and Environmental Resources, North Carolina State University</s1><s2>Raleigh, NC 27695</s2><s3>USA</s3><sZ>6 aut.</sZ></inist:fA14><country>États-Unis</country><wicri:noRegion>Raleigh, NC 27695</wicri:noRegion></affiliation></author><author><name sortKey="Epron, Daniel" sort="Epron, Daniel" uniqKey="Epron D" first="Daniel" last="Epron">Daniel Epron</name><affiliation wicri:level="4"><inist:fA14 i1="08"><s1>Université de Lorraine, UMR 1137, Ecologie et Ecophysiologie Forestières</s1><s2>54280 Champenoux</s2><s3>FRA</s3><sZ>7 aut.</sZ></inist:fA14><country>France</country><wicri:noRegion>54280 Champenoux</wicri:noRegion><wicri:noRegion>Ecologie et Ecophysiologie Forestières</wicri:noRegion><wicri:noRegion>54280 Champenoux</wicri:noRegion><orgName type="university">Université de Lorraine</orgName><placeName><settlement type="city">Nancy</settlement><settlement type="city">Metz</settlement><region type="region" nuts="2">Grand Est</region><region type="old region" nuts="2">Lorraine (région)</region></placeName></affiliation></author><author><name sortKey="Le Maire, Guerric" sort="Le Maire, Guerric" uniqKey="Le Maire G" first="Guerric" last="Le Maire">Guerric Le Maire</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>CIRAD, UMR Eco&Sols, Bât 12, 2 Place Pierre Viala</s1><s2>34060 Montpellier</s2><s3>FRA</s3><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>8 aut.</sZ></inist:fA14><country>France</country><wicri:noRegion>34060 Montpellier</wicri:noRegion><placeName><settlement type="city">Montpellier</settlement><region type="region" nuts="2">Occitanie (région administrative)</region><region type="old region" nuts="2">Languedoc-Roussillon</region></placeName></affiliation></author></analytic><series><title level="j" type="main">Forest ecology and management</title><title level="j" type="abbreviated">For. ecol. manage.</title><idno type="ISSN">0378-1127</idno><imprint><date when="2013">2013</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Forest ecology and management</title><title level="j" type="abbreviated">For. ecol. manage.</title><idno type="ISSN">0378-1127</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Artificial forest stand</term><term>Brazil</term><term>Deep soil</term><term>Ecophysiology</term><term>Eucalyptus</term><term>Forest ecology</term><term>Forestry</term><term>Limit</term><term>Mechanistic approach</term><term>Modeling</term><term>Phenomenological model</term><term>Process-oriented model</term><term>Simulation model</term><term>Spatial variability</term><term>Tropical soil</term><term>Water availability</term><term>Water supply</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Modèle simulation</term><term>Variabilité spatiale</term><term>Peuplement forestier artificiel</term><term>Ecophysiologie</term><term>Modélisation</term><term>Limite</term><term>Foresterie</term><term>Modèle phénoménologique</term><term>Approvisionnement eau</term><term>Eucalyptus</term><term>Brésil</term><term>Sol tropical</term><term>Approche mécaniste</term><term><<>></term><term>Modèle orienté processus</term><term>Sol profond</term><term>Eau disponible</term><term>Ecologie forestière</term></keywords><keywords scheme="Wicri" type="geographic" xml:lang="fr"><term>Brésil</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Large differences in productivity have been observed between neighboring Eucalyptus plantations in Brazil, that cannot be explained by climate and are unlikely to be due solely to altered management practices. Current ecophysiological models used by forestry companies to simulate stand development in large plantation zones rely on empirical site fertility indices (representing water and nutrient availability) to capture this spatial variability in growth rates. We propose a model that requires no empirical assessment of site fertility to simulate stand growth over entire rotations. We applied a modified version of the G'DAY model of carbon, nitrogen and water cycling at a daily time step to short-rotation plantations located in São Paulo State, including a simple mechanistic description of the effect of water availability on growth. The progressive and rapid root exploration of deep soil layers was modeled in a simple way, by considering that maximum plant available water increased with mean tree height. The model was parameterized using detailed measurements made over the entire rotation of an experimental stand of Eucalyptus grandis, and was subsequently applied to 16 clonal stands managed in a similar way by one company, but with different planting dates and contrasting productivity levels. Stem biomass simulations, driven by daily weather data (maximum and minimum air temperatures, global radiation and rainfall), were strongly correlated with company inventory estimates of stem biomass carried out at different ages. The temporal variation of leaf area index was also adequately simulated, as was shown by comparison with leaf area index derived from satellite data. The model was able to capture more than 95% of the variability of standing stem biomass and more than 85% of the variability of stem growth measured on these stands, provided spatial differences in soil water holding capacity were taken into account.</div></front></TEI><affiliations><list><country><li>Australie</li><li>Brésil</li><li>France</li><li>États-Unis</li></country><region><li>Grand Est</li><li>Languedoc-Roussillon</li><li>Lorraine (région)</li><li>Occitanie (région administrative)</li><li>État de São Paulo</li></region><settlement><li>Metz</li><li>Montpellier</li><li>Nancy</li><li>São Paulo</li></settlement><orgName><li>Université de Lorraine</li><li>Université de São Paulo</li></orgName></list><tree><country name="France"><region name="Occitanie (région administrative)"><name sortKey="Marsden, Claire" sort="Marsden, Claire" uniqKey="Marsden C" first="Claire" last="Marsden">Claire Marsden</name></region><name sortKey="Corbeels, Marc" sort="Corbeels, Marc" uniqKey="Corbeels M" first="Marc" last="Corbeels">Marc Corbeels</name><name sortKey="Epron, Daniel" sort="Epron, Daniel" uniqKey="Epron D" first="Daniel" last="Epron">Daniel Epron</name><name sortKey="Laclau, Jean Paul" sort="Laclau, Jean Paul" uniqKey="Laclau J" first="Jean-Paul" last="Laclau">Jean-Paul Laclau</name><name sortKey="Le Maire, Guerric" sort="Le Maire, Guerric" uniqKey="Le Maire G" first="Guerric" last="Le Maire">Guerric Le Maire</name><name sortKey="Nouvellon, Yann" sort="Nouvellon, Yann" uniqKey="Nouvellon Y" first="Yann" last="Nouvellon">Yann Nouvellon</name></country><country name="Brésil"><region name="État de São Paulo"><name sortKey="Nouvellon, Yann" sort="Nouvellon, Yann" uniqKey="Nouvellon Y" first="Yann" last="Nouvellon">Yann Nouvellon</name></region><name sortKey="Laclau, Jean Paul" sort="Laclau, Jean Paul" uniqKey="Laclau J" first="Jean-Paul" last="Laclau">Jean-Paul Laclau</name></country><country name="Australie"><noRegion><name sortKey="Mcmurtrie, Ross E" sort="Mcmurtrie, Ross E" uniqKey="Mcmurtrie R" first="Ross E." last="Mcmurtrie">Ross E. Mcmurtrie</name></noRegion></country><country name="États-Unis"><noRegion><name sortKey="Luiz Stape, Jose" sort="Luiz Stape, Jose" uniqKey="Luiz Stape J" first="José" last="Luiz Stape">José Luiz Stape</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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