MansuyPareThiffaultEtAl2017

Référence

Mansuy, N., Pare, D., Thiffault, E., Bernier, P.Y., Cyr, G., Manka, F., Lafleur, B. and Guindon, L. (2017) Estimating the spatial distribution and locating hotspots of forest biomass from harvest residues and fire-damaged stands in Canada's managed forests. Biomass and Bioenergy, 97:90 - 99. (URL )

Résumé

Abstract Strategies for increasing the mobilization of forest biomass supply chains for bioenergy production require continuous assessments of the spatial and temporal availability of biomass feedstock. Using remote sensing products at a 250-m pixel resolution, estimates of theoretical biomass availability from harvest residues and fire-killed trees were computed by combining Canada-wide maps of forest attributes (2001) and of yearly (2002–2011) fires and harvests. At the national scale, biomass availability was estimated at 47 ± 18 M {ODT} year−1 from fire-killed trees and at 14 ± 2 M {ODT} year−1 from harvest residues. Mean biomass densities in burned and harvested pixels were estimated at 34 ± 3.0 {ODT} ha−1 and at 24 ± 1.2 {ODT} ha−1, respectively. Mean biomass densities also varied dramatically among ecozones, from 14 {ODT} ha−1 to 206 {ODT} ha−1 and from 6 {ODT} ha−1 to 63 {ODT} ha−1 for burned and harvested pixels, respectively. Spatial averaging with a 100-km radius window shows distinct hotspots of biomass availability across Canada. The largest hotspots from fire-killed trees reached 3.6 M {ODT} year−1 in the Boreal Shield and the Boreal Plains ecozones of northern Alberta and Saskatchewan, where fires are large and frequent. The largest hotspots from harvest residues reached 1.2 M {ODT} year−1 in the Montane Cordillera ecozone of British Columbia. The use of spatially explicit remote sensing products yields estimates of theoretical biomass availability that are methodologically consistent across Canada. Future development should include validations with on-the-ground forest inventories as well as the factoring in of environmental, technical and economic considerations to implement operational biomass supply chains.

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@ARTICLE { MansuyPareThiffaultEtAl2017,
    TITLE = { Estimating the spatial distribution and locating hotspots of forest biomass from harvest residues and fire-damaged stands in Canada's managed forests },
    AUTHOR = { Mansuy, N. and Pare, D. and Thiffault, E. and Bernier, P.Y. and Cyr, G. and Manka, F. and Lafleur, B. and Guindon, L. },
    JOURNAL = { Biomass and Bioenergy },
    YEAR = { 2017 },
    PAGES = { 90 - 99 },
    VOLUME = { 97 },
    ABSTRACT = { Abstract Strategies for increasing the mobilization of forest biomass supply chains for bioenergy production require continuous assessments of the spatial and temporal availability of biomass feedstock. Using remote sensing products at a 250-m pixel resolution, estimates of theoretical biomass availability from harvest residues and fire-killed trees were computed by combining Canada-wide maps of forest attributes (2001) and of yearly (2002–2011) fires and harvests. At the national scale, biomass availability was estimated at 47 ± 18 M \{ODT\} year−1 from fire-killed trees and at 14 ± 2 M \{ODT\} year−1 from harvest residues. Mean biomass densities in burned and harvested pixels were estimated at 34 ± 3.0 \{ODT\} ha−1 and at 24 ± 1.2 \{ODT\} ha−1, respectively. Mean biomass densities also varied dramatically among ecozones, from 14 \{ODT\} ha−1 to 206 \{ODT\} ha−1 and from 6 \{ODT\} ha−1 to 63 \{ODT\} ha−1 for burned and harvested pixels, respectively. Spatial averaging with a 100-km radius window shows distinct hotspots of biomass availability across Canada. The largest hotspots from fire-killed trees reached 3.6 M \{ODT\} year−1 in the Boreal Shield and the Boreal Plains ecozones of northern Alberta and Saskatchewan, where fires are large and frequent. The largest hotspots from harvest residues reached 1.2 M \{ODT\} year−1 in the Montane Cordillera ecozone of British Columbia. The use of spatially explicit remote sensing products yields estimates of theoretical biomass availability that are methodologically consistent across Canada. Future development should include validations with on-the-ground forest inventories as well as the factoring in of environmental, technical and economic considerations to implement operational biomass supply chains. },
    DOI = { http://dx.doi.org/10.1016/j.biombioe.2016.12.014 },
    ISSN = { 0961-9534 },
    KEYWORDS = { Bioenergy },
    OWNER = { DanielLesieur },
    TIMESTAMP = { 2017.01.09 },
    URL = { http://www.sciencedirect.com/science/article/pii/S0961953416303877 },
}

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