LaganiereAngersPare2010

Référence

Laganière, J., Angers, D.A., Pare, D. (2010) Carbon accumulation in agricultural soils after afforestation: A meta-analysis. Global Change Biology, 16(1):439-453. (Scopus )

Résumé

Deforestation usually results in significant losses of soil organic carbon (SOC). The rate and factors determining the recovery of this C pool with afforestation are still poorly understood. This paper provides a review of the influence of afforestation on SOC stocks based on a meta-analysis of 33 recent publications (totaling 120 sites and 189 observations), with the aim of determining the factors responsible for the restoration of SOC following afforestation. Based on a mixed linear model, the meta-analysis indicates that the main factors that contribute to restoring SOC stocks after afforestation are: previous land use, tree species planted, soil clay content, preplanting disturbance and, to a lesser extent, climatic zone. Specifically, this meta-analysis (1) indicates that the positive impact of afforestation on SOC stocks is more pronounced in cropland soils than in pastures or natural grasslands; (2) suggests that broadleaf tree species have a greater capacity to accumulate SOC than coniferous species; (3) underscores that afforestation using pine species does not result in a net loss of the whole soil-profile carbon stocks compared with initial values (agricultural soil) when the surface organic layer is included in the accounting; (4) demonstrates that clay-rich soils (>33%) have a greater capacity to accumulate SOC than soils with a lower clay content (<33%); (5) indicates that minimizing preplanting disturbances may increase the rate at which SOC stocks are replenished; and (6) suggests that afforestation carried out in the boreal climate zone results in small SOC losses compared with other climate zones, probably because trees grow more slowly under these conditions, although this does not rule out gains over time after the conversion. This study also highlights the importance of the methodological approach used when developing the sampling design, especially the inclusion of the organic layer in the accounting. © 2009 Blackwell Publishing Ltd.

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@ARTICLE { LaganiereAngersPare2010,
    AUTHOR = { Laganière, J. and Angers, D.A. and Pare, D. },
    TITLE = { Carbon accumulation in agricultural soils after afforestation: A meta-analysis },
    JOURNAL = { Global Change Biology },
    YEAR = { 2010 },
    VOLUME = { 16 },
    NUMBER = { 1 },
    PAGES = { 439-453 },
    NOTE = { cited By 356 },
    ABSTRACT = { Deforestation usually results in significant losses of soil organic carbon (SOC). The rate and factors determining the recovery of this C pool with afforestation are still poorly understood. This paper provides a review of the influence of afforestation on SOC stocks based on a meta-analysis of 33 recent publications (totaling 120 sites and 189 observations), with the aim of determining the factors responsible for the restoration of SOC following afforestation. Based on a mixed linear model, the meta-analysis indicates that the main factors that contribute to restoring SOC stocks after afforestation are: previous land use, tree species planted, soil clay content, preplanting disturbance and, to a lesser extent, climatic zone. Specifically, this meta-analysis (1) indicates that the positive impact of afforestation on SOC stocks is more pronounced in cropland soils than in pastures or natural grasslands; (2) suggests that broadleaf tree species have a greater capacity to accumulate SOC than coniferous species; (3) underscores that afforestation using pine species does not result in a net loss of the whole soil-profile carbon stocks compared with initial values (agricultural soil) when the surface organic layer is included in the accounting; (4) demonstrates that clay-rich soils (>33%) have a greater capacity to accumulate SOC than soils with a lower clay content (<33%); (5) indicates that minimizing preplanting disturbances may increase the rate at which SOC stocks are replenished; and (6) suggests that afforestation carried out in the boreal climate zone results in small SOC losses compared with other climate zones, probably because trees grow more slowly under these conditions, although this does not rule out gains over time after the conversion. This study also highlights the importance of the methodological approach used when developing the sampling design, especially the inclusion of the organic layer in the accounting. © 2009 Blackwell Publishing Ltd. },
    AFFILIATION = { Natural Resources Canada, Canadian Forest Service, Laurentian Forestry Centre, 1055 du P.E.P.S., PO Box 10380, Stn. Sainte-Foy, Québec, Qc, G1V 4C7, Canada; Centre for Forest Research, Université du Québec à Montréal, PO Box 8888, Stn. Centre-ville, Montréal, Qc, H3C 3P8, Canada; Agriculture and Agri-Food Canada, Soils and Crops Research and Development Centre, 2560 Hochelaga Blvd, Québec, Qc, G1V 2J3, Canada },
    AUTHOR_KEYWORDS = { Carbon sequestration; Land use change; Methodological approach; Mixed linear model; Soil organic carbon; Soil properties; Tree plantation },
    DOCUMENT_TYPE = { Article },
    DOI = { 10.1111/j.1365-2486.2009.01930.x },
    SOURCE = { Scopus },
    URL = { https://www.scopus.com/inward/record.uri?eid=2-s2.0-74049129963&doi=10.1111%2fj.1365-2486.2009.01930.x&partnerID=40&md5=8060211a85a679b6b0af65543fe14ac2 },
}

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