BonaShawFylesEtAl2016

Référence

Bona, K.A., Shaw, C.H., Fyles, J.W. and Kurz, W.A. (2016) Modelling moss-derived carbon in upland black spruce forests. Canadian Journal of Forest Research, 46(4):520-534. (Scopus )

Résumé

Mosses play a key role in the carbon (C) cycle of upland black spruce (Picea mariana (Mill.) BSP) forests; however, national reporting models such as the Carbon Budget Model of the Canadian Forest Sector (CBM-CFS3) do not include mosses. This study examined whether widely available plot-level merchantable tree volume could predict, for black spruce ecosystems in Canada's boreal forest, the relative proportions of sphagnum and feather moss ground cover and moss net primary productivity (NPP). A field study found that merchantable tree volume was significantly related to tree canopy openness (R2 = 0.61, P < 0.001), which could then be used to model the relative ground cover of feather moss (R2 = 0.5, P < 0.001) and sphagnum (R2 = 0.45, P < 0.001) and NPP of feather moss (R2 = 0.41, P < 0.001) and sphagnum (R2 = 0.28, P < 0.001). The resulting MOSS-C submodel increased the accuracy of the CBM-CFS3’s prediction of organic-horizon C five-fold and could explain large-scale variation in sites dominated by sphagnum with large organiclayer C pools but not fine-scale variation in dryer sites. To improve MOSS-C accuracy, future studies should focus on varying decomposition and fire regime parameters based on regional climate or plot-level vegetation parameters. © 2016, National Research Council of Canada. All rights reserved.

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@ARTICLE { BonaShawFylesEtAl2016,
    AUTHOR = { Bona, K.A. and Shaw, C.H. and Fyles, J.W. and Kurz, W.A. },
    TITLE = { Modelling moss-derived carbon in upland black spruce forests },
    JOURNAL = { Canadian Journal of Forest Research },
    YEAR = { 2016 },
    VOLUME = { 46 },
    PAGES = { 520-534 },
    NUMBER = { 4 },
    NOTE = { cited By 0 },
    ABSTRACT = { Mosses play a key role in the carbon (C) cycle of upland black spruce (Picea mariana (Mill.) BSP) forests; however, national reporting models such as the Carbon Budget Model of the Canadian Forest Sector (CBM-CFS3) do not include mosses. This study examined whether widely available plot-level merchantable tree volume could predict, for black spruce ecosystems in Canada's boreal forest, the relative proportions of sphagnum and feather moss ground cover and moss net primary productivity (NPP). A field study found that merchantable tree volume was significantly related to tree canopy openness (R2 = 0.61, P < 0.001), which could then be used to model the relative ground cover of feather moss (R2 = 0.5, P < 0.001) and sphagnum (R2 = 0.45, P < 0.001) and NPP of feather moss (R2 = 0.41, P < 0.001) and sphagnum (R2 = 0.28, P < 0.001). The resulting MOSS-C submodel increased the accuracy of the CBM-CFS3’s prediction of organic-horizon C five-fold and could explain large-scale variation in sites dominated by sphagnum with large organiclayer C pools but not fine-scale variation in dryer sites. To improve MOSS-C accuracy, future studies should focus on varying decomposition and fire regime parameters based on regional climate or plot-level vegetation parameters. © 2016, National Research Council of Canada. All rights reserved. },
    AUTHOR_KEYWORDS = { Black spruce; Carbon model; Feather moss; Moss carbon; Sphagnum },
    DOCUMENT_TYPE = { Article },
    DOI = { 10.1139/cjfr-2015-0512 },
    KEYWORDS = { Budget control; Ecosystems, Black spruce; Carbon models; Feather moss; Net primary productivity; Picea mariana (mill.) bsp; Sphagnum; Upland black spruce; Vegetation parameters, Forestry, Bryophyta; Picea mariana; Sphagnum },
    SOURCE = { Scopus },
    URL = { https://www.scopus.com/inward/record.url?eid=2-s2.0-84962764111&partnerID=40&md5=c3569a84e11bbf5942726fecf743bd06 },
}

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