PeckQuizaBuffetEtAl2016

Référence

Peck, V., Quiza, L., Buffet, J.-P., Khdhiri, M., Durand, A.-A., Paquette, A., Thiffault, N., Messier, C., Beaulieu, N., Guertin, C. and Constant, P. (2016) Towards the development of multifunctional molecular indicators combining soil biogeochemical and microbiological variables to predict the ecological integrity of silvicultural practices. Microbial Biotechnology, 9(3):316-329. (Scopus )

Résumé

The impact of mechanical site preparation (MSP) on soil biogeochemical structure in young larch plantations was investigated. Soil samples were collected in replicated plots comprising simple trenching, double trenching, mounding and inverting site preparation. Unlogged natural mixed forest areas were used as a reference. Analysis of soil nutrients, abundance of bacteria and gas exchanges unveiled no significant difference among the plots. However, inverting site preparation resulted in higher variations of gas exchanges when compared with trenching, mounding and unlogged natural forest. A combination of the biological and physicochemical variables was used to define a multifunctional classification of the soil samples into four distinct groups categorized as a function of their deviation from baseline ecological conditions. According to this classification model, simple trenching was the approach that represented the lowest ecological risk potential at the microsite level. No relationship was observed between MSP method and soil bacterial community structure as assessed by high-throughput sequencing of bacterial 16S rRNA gene; however, indicator genotypes were identified for each multifunctional soil class. This is the first identification of multifunctional molecular indicators for baseline and disturbed ecological conditions in soil, demonstrating the potential of applied microbial ecology to guide silvicultural practices and ecological risk assessment. © 2016 John Wiley & Sons Ltd and Society for Applied Microbiology.

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@ARTICLE { PeckQuizaBuffetEtAl2016,
    AUTHOR = { Peck, V. and Quiza, L. and Buffet, J.-P. and Khdhiri, M. and Durand, A.-A. and Paquette, A. and Thiffault, N. and Messier, C. and Beaulieu, N. and Guertin, C. and Constant, P. },
    TITLE = { Towards the development of multifunctional molecular indicators combining soil biogeochemical and microbiological variables to predict the ecological integrity of silvicultural practices },
    JOURNAL = { Microbial Biotechnology },
    YEAR = { 2016 },
    VOLUME = { 9 },
    PAGES = { 316-329 },
    NUMBER = { 3 },
    NOTE = { cited By 0 },
    ABSTRACT = { The impact of mechanical site preparation (MSP) on soil biogeochemical structure in young larch plantations was investigated. Soil samples were collected in replicated plots comprising simple trenching, double trenching, mounding and inverting site preparation. Unlogged natural mixed forest areas were used as a reference. Analysis of soil nutrients, abundance of bacteria and gas exchanges unveiled no significant difference among the plots. However, inverting site preparation resulted in higher variations of gas exchanges when compared with trenching, mounding and unlogged natural forest. A combination of the biological and physicochemical variables was used to define a multifunctional classification of the soil samples into four distinct groups categorized as a function of their deviation from baseline ecological conditions. According to this classification model, simple trenching was the approach that represented the lowest ecological risk potential at the microsite level. No relationship was observed between MSP method and soil bacterial community structure as assessed by high-throughput sequencing of bacterial 16S rRNA gene; however, indicator genotypes were identified for each multifunctional soil class. This is the first identification of multifunctional molecular indicators for baseline and disturbed ecological conditions in soil, demonstrating the potential of applied microbial ecology to guide silvicultural practices and ecological risk assessment. © 2016 John Wiley & Sons Ltd and Society for Applied Microbiology. },
    DOCUMENT_TYPE = { Article },
    DOI = { 10.1111/1751-7915.12348 },
    SOURCE = { Scopus },
    URL = { https://www.scopus.com/inward/record.uri?eid=2-s2.0-84958581048&partnerID=40&md5=e2df7446ca403fd2dda047fdf6de8ff9 },
}

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