Partitioning of net primary production in Eucalyptus and Acacia stands and in mixed-species plantations: Two case-studies in contrasting tropical environments
The introduction of nitrogen fixing species (NFS) in fast-growing tree plantations is an alternative option to reduce fertilizer inputs. However, the success of mixed-species plantations depends on the balance between positive interactions among species (resulting from facilitation and/or complementarity) and the negative effects of interspecific competition. Using a carbon budget approach and coupling measurements of standing biomass, aboveground litterfall and soil CO2 efflux, we assessed the influence of replacing half of eucalypt trees by Acacia mangium on total belowground carbon flux (TBCF), net primary production (NPP) and its partitioning between above- and belowground growth at two tropical sites in Brazil (Itatinga) and in Congo (Kissoko) exhibiting contrasting climates, edaphic conditions and wood productions. Annual soil CO2 efflux (FS) was significantly lower in the acacia monocultures than in eucalypt monocultures and mixed-species stands at both sites. Annual FS was significantly lower at Itatinga compared to Kissoko for all stands while TBCF was significantly lower in the eucalypt stands only. In the eucalypt monocultures we found a significantly lower aboveground NPP (ANPP) and wood production (wood NPP) at Kissoko compared to Itatinga that was almost fully balanced by a significantly higher belowground NPP (BNPP), leading to similar NPP. Similarly, acacia monocultures exhibited significantly higher ANPP and wood NPP at Itatinga than at Kissoko. The mixed-species stands exhibited a significantly lower wood NPP and ANPP than the eucalypt monocultures at the Brazilian site while NPP of the mixture was not significantly different than the average NPP of the two monocultures. At the Congolese site, NPP of the mixture was significantly higher than the average NPP of the two monocultures. NPP was similar in the mixed-species stand and the eucalypt monoculture with a significantly lower partitioning of NPP to belowground production, leading to a one third higher wood biomass at harvest in the mixed-species stand. A positive effect of growing eucalypts with the nitrogen fixing acacia trees on stand wood production occurred at Kissoko but not at Itatinga. Mixed-species plantations with NFS can be advocated at sites where the productive gains resulting from nitrogen fixation are not compromised by other resource limitations.
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Biblioteca del CIRAD Francia |
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K10 - Production forestière F62 - Physiologie végétale - Croissance et développement F08 - Systèmes et modes de culture F40 - Écologie végétale P33 - Chimie et physique du sol Eucalyptus grandis Acacia mangium forêt tropicale plantation forestière monoculture culture en mélange rendement des cultures biomasse Fixation de l'azote zone climatique matière organique du sol cycle du carbone http://aims.fao.org/aos/agrovoc/c_2693 http://aims.fao.org/aos/agrovoc/c_42 http://aims.fao.org/aos/agrovoc/c_24904 http://aims.fao.org/aos/agrovoc/c_3048 http://aims.fao.org/aos/agrovoc/c_4915 http://aims.fao.org/aos/agrovoc/c_4871 http://aims.fao.org/aos/agrovoc/c_10176 http://aims.fao.org/aos/agrovoc/c_926 http://aims.fao.org/aos/agrovoc/c_5196 http://aims.fao.org/aos/agrovoc/c_1669 http://aims.fao.org/aos/agrovoc/c_35657 http://aims.fao.org/aos/agrovoc/c_17299 http://aims.fao.org/aos/agrovoc/c_6789 http://aims.fao.org/aos/agrovoc/c_1811 K10 - Production forestière F62 - Physiologie végétale - Croissance et développement F08 - Systèmes et modes de culture F40 - Écologie végétale P33 - Chimie et physique du sol Eucalyptus grandis Acacia mangium forêt tropicale plantation forestière monoculture culture en mélange rendement des cultures biomasse Fixation de l'azote zone climatique matière organique du sol cycle du carbone http://aims.fao.org/aos/agrovoc/c_2693 http://aims.fao.org/aos/agrovoc/c_42 http://aims.fao.org/aos/agrovoc/c_24904 http://aims.fao.org/aos/agrovoc/c_3048 http://aims.fao.org/aos/agrovoc/c_4915 http://aims.fao.org/aos/agrovoc/c_4871 http://aims.fao.org/aos/agrovoc/c_10176 http://aims.fao.org/aos/agrovoc/c_926 http://aims.fao.org/aos/agrovoc/c_5196 http://aims.fao.org/aos/agrovoc/c_1669 http://aims.fao.org/aos/agrovoc/c_35657 http://aims.fao.org/aos/agrovoc/c_17299 http://aims.fao.org/aos/agrovoc/c_6789 http://aims.fao.org/aos/agrovoc/c_1811 |
spellingShingle |
K10 - Production forestière F62 - Physiologie végétale - Croissance et développement F08 - Systèmes et modes de culture F40 - Écologie végétale P33 - Chimie et physique du sol Eucalyptus grandis Acacia mangium forêt tropicale plantation forestière monoculture culture en mélange rendement des cultures biomasse Fixation de l'azote zone climatique matière organique du sol cycle du carbone http://aims.fao.org/aos/agrovoc/c_2693 http://aims.fao.org/aos/agrovoc/c_42 http://aims.fao.org/aos/agrovoc/c_24904 http://aims.fao.org/aos/agrovoc/c_3048 http://aims.fao.org/aos/agrovoc/c_4915 http://aims.fao.org/aos/agrovoc/c_4871 http://aims.fao.org/aos/agrovoc/c_10176 http://aims.fao.org/aos/agrovoc/c_926 http://aims.fao.org/aos/agrovoc/c_5196 http://aims.fao.org/aos/agrovoc/c_1669 http://aims.fao.org/aos/agrovoc/c_35657 http://aims.fao.org/aos/agrovoc/c_17299 http://aims.fao.org/aos/agrovoc/c_6789 http://aims.fao.org/aos/agrovoc/c_1811 K10 - Production forestière F62 - Physiologie végétale - Croissance et développement F08 - Systèmes et modes de culture F40 - Écologie végétale P33 - Chimie et physique du sol Eucalyptus grandis Acacia mangium forêt tropicale plantation forestière monoculture culture en mélange rendement des cultures biomasse Fixation de l'azote zone climatique matière organique du sol cycle du carbone http://aims.fao.org/aos/agrovoc/c_2693 http://aims.fao.org/aos/agrovoc/c_42 http://aims.fao.org/aos/agrovoc/c_24904 http://aims.fao.org/aos/agrovoc/c_3048 http://aims.fao.org/aos/agrovoc/c_4915 http://aims.fao.org/aos/agrovoc/c_4871 http://aims.fao.org/aos/agrovoc/c_10176 http://aims.fao.org/aos/agrovoc/c_926 http://aims.fao.org/aos/agrovoc/c_5196 http://aims.fao.org/aos/agrovoc/c_1669 http://aims.fao.org/aos/agrovoc/c_35657 http://aims.fao.org/aos/agrovoc/c_17299 http://aims.fao.org/aos/agrovoc/c_6789 http://aims.fao.org/aos/agrovoc/c_1811 Epron, Daniel Nouvellon, Yann Mareschal, Louis Moreira e Moreira, Rildo Koutika, Lydie-Stella Geneste, Blandine Delgado Rojas, Juan Sinforiano Laclau, Jean-Paul Sola, Gael De Moraes Gonçalves, Jose Leonardo Bouillet, Jean-Pierre Partitioning of net primary production in Eucalyptus and Acacia stands and in mixed-species plantations: Two case-studies in contrasting tropical environments |
description |
The introduction of nitrogen fixing species (NFS) in fast-growing tree plantations is an alternative option to reduce fertilizer inputs. However, the success of mixed-species plantations depends on the balance between positive interactions among species (resulting from facilitation and/or complementarity) and the negative effects of interspecific competition. Using a carbon budget approach and coupling measurements of standing biomass, aboveground litterfall and soil CO2 efflux, we assessed the influence of replacing half of eucalypt trees by Acacia mangium on total belowground carbon flux (TBCF), net primary production (NPP) and its partitioning between above- and belowground growth at two tropical sites in Brazil (Itatinga) and in Congo (Kissoko) exhibiting contrasting climates, edaphic conditions and wood productions. Annual soil CO2 efflux (FS) was significantly lower in the acacia monocultures than in eucalypt monocultures and mixed-species stands at both sites. Annual FS was significantly lower at Itatinga compared to Kissoko for all stands while TBCF was significantly lower in the eucalypt stands only. In the eucalypt monocultures we found a significantly lower aboveground NPP (ANPP) and wood production (wood NPP) at Kissoko compared to Itatinga that was almost fully balanced by a significantly higher belowground NPP (BNPP), leading to similar NPP. Similarly, acacia monocultures exhibited significantly higher ANPP and wood NPP at Itatinga than at Kissoko. The mixed-species stands exhibited a significantly lower wood NPP and ANPP than the eucalypt monocultures at the Brazilian site while NPP of the mixture was not significantly different than the average NPP of the two monocultures. At the Congolese site, NPP of the mixture was significantly higher than the average NPP of the two monocultures. NPP was similar in the mixed-species stand and the eucalypt monoculture with a significantly lower partitioning of NPP to belowground production, leading to a one third higher wood biomass at harvest in the mixed-species stand. A positive effect of growing eucalypts with the nitrogen fixing acacia trees on stand wood production occurred at Kissoko but not at Itatinga. Mixed-species plantations with NFS can be advocated at sites where the productive gains resulting from nitrogen fixation are not compromised by other resource limitations. |
format |
article |
topic_facet |
K10 - Production forestière F62 - Physiologie végétale - Croissance et développement F08 - Systèmes et modes de culture F40 - Écologie végétale P33 - Chimie et physique du sol Eucalyptus grandis Acacia mangium forêt tropicale plantation forestière monoculture culture en mélange rendement des cultures biomasse Fixation de l'azote zone climatique matière organique du sol cycle du carbone http://aims.fao.org/aos/agrovoc/c_2693 http://aims.fao.org/aos/agrovoc/c_42 http://aims.fao.org/aos/agrovoc/c_24904 http://aims.fao.org/aos/agrovoc/c_3048 http://aims.fao.org/aos/agrovoc/c_4915 http://aims.fao.org/aos/agrovoc/c_4871 http://aims.fao.org/aos/agrovoc/c_10176 http://aims.fao.org/aos/agrovoc/c_926 http://aims.fao.org/aos/agrovoc/c_5196 http://aims.fao.org/aos/agrovoc/c_1669 http://aims.fao.org/aos/agrovoc/c_35657 http://aims.fao.org/aos/agrovoc/c_17299 http://aims.fao.org/aos/agrovoc/c_6789 http://aims.fao.org/aos/agrovoc/c_1811 |
author |
Epron, Daniel Nouvellon, Yann Mareschal, Louis Moreira e Moreira, Rildo Koutika, Lydie-Stella Geneste, Blandine Delgado Rojas, Juan Sinforiano Laclau, Jean-Paul Sola, Gael De Moraes Gonçalves, Jose Leonardo Bouillet, Jean-Pierre |
author_facet |
Epron, Daniel Nouvellon, Yann Mareschal, Louis Moreira e Moreira, Rildo Koutika, Lydie-Stella Geneste, Blandine Delgado Rojas, Juan Sinforiano Laclau, Jean-Paul Sola, Gael De Moraes Gonçalves, Jose Leonardo Bouillet, Jean-Pierre |
author_sort |
Epron, Daniel |
title |
Partitioning of net primary production in Eucalyptus and Acacia stands and in mixed-species plantations: Two case-studies in contrasting tropical environments |
title_short |
Partitioning of net primary production in Eucalyptus and Acacia stands and in mixed-species plantations: Two case-studies in contrasting tropical environments |
title_full |
Partitioning of net primary production in Eucalyptus and Acacia stands and in mixed-species plantations: Two case-studies in contrasting tropical environments |
title_fullStr |
Partitioning of net primary production in Eucalyptus and Acacia stands and in mixed-species plantations: Two case-studies in contrasting tropical environments |
title_full_unstemmed |
Partitioning of net primary production in Eucalyptus and Acacia stands and in mixed-species plantations: Two case-studies in contrasting tropical environments |
title_sort |
partitioning of net primary production in eucalyptus and acacia stands and in mixed-species plantations: two case-studies in contrasting tropical environments |
url |
http://agritrop.cirad.fr/569092/ http://agritrop.cirad.fr/569092/1/document_569092.pdf |
work_keys_str_mv |
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dig-cirad-fr-5690922024-01-28T21:24:02Z http://agritrop.cirad.fr/569092/ http://agritrop.cirad.fr/569092/ Partitioning of net primary production in Eucalyptus and Acacia stands and in mixed-species plantations: Two case-studies in contrasting tropical environments. Epron Daniel, Nouvellon Yann, Mareschal Louis, Moreira e Moreira Rildo, Koutika Lydie-Stella, Geneste Blandine, Delgado Rojas Juan Sinforiano, Laclau Jean-Paul, Sola Gael, De Moraes Gonçalves Jose Leonardo, Bouillet Jean-Pierre. 2013. Forest Ecology and Management, 301 : 102-111.https://doi.org/10.1016/j.foreco.2012.10.034 <https://doi.org/10.1016/j.foreco.2012.10.034> Partitioning of net primary production in Eucalyptus and Acacia stands and in mixed-species plantations: Two case-studies in contrasting tropical environments Epron, Daniel Nouvellon, Yann Mareschal, Louis Moreira e Moreira, Rildo Koutika, Lydie-Stella Geneste, Blandine Delgado Rojas, Juan Sinforiano Laclau, Jean-Paul Sola, Gael De Moraes Gonçalves, Jose Leonardo Bouillet, Jean-Pierre eng 2013 Forest Ecology and Management K10 - Production forestière F62 - Physiologie végétale - Croissance et développement F08 - Systèmes et modes de culture F40 - Écologie végétale P33 - Chimie et physique du sol Eucalyptus grandis Acacia mangium forêt tropicale plantation forestière monoculture culture en mélange rendement des cultures biomasse Fixation de l'azote zone climatique matière organique du sol cycle du carbone http://aims.fao.org/aos/agrovoc/c_2693 http://aims.fao.org/aos/agrovoc/c_42 http://aims.fao.org/aos/agrovoc/c_24904 http://aims.fao.org/aos/agrovoc/c_3048 http://aims.fao.org/aos/agrovoc/c_4915 http://aims.fao.org/aos/agrovoc/c_4871 http://aims.fao.org/aos/agrovoc/c_10176 http://aims.fao.org/aos/agrovoc/c_926 http://aims.fao.org/aos/agrovoc/c_5196 http://aims.fao.org/aos/agrovoc/c_1669 http://aims.fao.org/aos/agrovoc/c_35657 http://aims.fao.org/aos/agrovoc/c_17299 Sao Paulo Congo http://aims.fao.org/aos/agrovoc/c_6789 http://aims.fao.org/aos/agrovoc/c_1811 The introduction of nitrogen fixing species (NFS) in fast-growing tree plantations is an alternative option to reduce fertilizer inputs. However, the success of mixed-species plantations depends on the balance between positive interactions among species (resulting from facilitation and/or complementarity) and the negative effects of interspecific competition. Using a carbon budget approach and coupling measurements of standing biomass, aboveground litterfall and soil CO2 efflux, we assessed the influence of replacing half of eucalypt trees by Acacia mangium on total belowground carbon flux (TBCF), net primary production (NPP) and its partitioning between above- and belowground growth at two tropical sites in Brazil (Itatinga) and in Congo (Kissoko) exhibiting contrasting climates, edaphic conditions and wood productions. Annual soil CO2 efflux (FS) was significantly lower in the acacia monocultures than in eucalypt monocultures and mixed-species stands at both sites. Annual FS was significantly lower at Itatinga compared to Kissoko for all stands while TBCF was significantly lower in the eucalypt stands only. In the eucalypt monocultures we found a significantly lower aboveground NPP (ANPP) and wood production (wood NPP) at Kissoko compared to Itatinga that was almost fully balanced by a significantly higher belowground NPP (BNPP), leading to similar NPP. Similarly, acacia monocultures exhibited significantly higher ANPP and wood NPP at Itatinga than at Kissoko. The mixed-species stands exhibited a significantly lower wood NPP and ANPP than the eucalypt monocultures at the Brazilian site while NPP of the mixture was not significantly different than the average NPP of the two monocultures. At the Congolese site, NPP of the mixture was significantly higher than the average NPP of the two monocultures. NPP was similar in the mixed-species stand and the eucalypt monoculture with a significantly lower partitioning of NPP to belowground production, leading to a one third higher wood biomass at harvest in the mixed-species stand. A positive effect of growing eucalypts with the nitrogen fixing acacia trees on stand wood production occurred at Kissoko but not at Itatinga. Mixed-species plantations with NFS can be advocated at sites where the productive gains resulting from nitrogen fixation are not compromised by other resource limitations. article info:eu-repo/semantics/article Journal Article info:eu-repo/semantics/publishedVersion http://agritrop.cirad.fr/569092/1/document_569092.pdf application/pdf Cirad license info:eu-repo/semantics/restrictedAccess https://agritrop.cirad.fr/mention_legale.html https://doi.org/10.1016/j.foreco.2012.10.034 10.1016/j.foreco.2012.10.034 info:eu-repo/semantics/altIdentifier/doi/10.1016/j.foreco.2012.10.034 info:eu-repo/semantics/altIdentifier/purl/https://doi.org/10.1016/j.foreco.2012.10.034 |