FortierTruaxGagnonEtAl2012

Référence

Fortier, J., Truax, B., Gagnon, D. and Lambert, F. (2012) Hybrid poplar yields in Quebec: Implications for a sustainable forest zoning management system. Forestry Chronicle, 88(4):391-407. (Scopus )

Résumé

In the province of Quebec, approximately 12 000 ha of fast-growing poplar plantations are managed by industrials, while small private landowners have planted only 1000 ha. Most of these poplar plantations are established on clearcut forest sites (approx. 11 000 ha). What are the yields of these hybrid poplar plantations? In this article, available yield data are presented and discussed in the context of a sustainable forest zoning management system. In southern Quebec, three factors are highly correlated to yield for clones of various parentages: NO 3 supply rate in riparian soils, elevation (or climate) and soil P availability in abandoned farmland soils. Many Quebec forest sites, particularly in the boreal shield ecozone, have acidic soils and harsh climate, with low mineralization rates. They generally cannot fulfill the very high nutrient requirements of hybrid poplars. Within a forest zoning management system, hybrid poplar plantations and agroforestry should be located in priority in southern Quebec landscapes, with low remaining natural forest cover, and where intensive agriculture is the dominant land-use. This strategy will increase biodiversity and the provision of ecosystem services. Elsewhere, intensive trembling aspen regeneration silviculture could be a sustainable alternative to forest conversion into hybrid poplar plantations.

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@ARTICLE { FortierTruaxGagnonEtAl2012,
    AUTHOR = { Fortier, J. and Truax, B. and Gagnon, D. and Lambert, F. },
    TITLE = { Hybrid poplar yields in Quebec: Implications for a sustainable forest zoning management system },
    JOURNAL = { Forestry Chronicle },
    YEAR = { 2012 },
    VOLUME = { 88 },
    PAGES = { 391-407 },
    NUMBER = { 4 },
    ABSTRACT = { In the province of Quebec, approximately 12 000 ha of fast-growing poplar plantations are managed by industrials, while small private landowners have planted only 1000 ha. Most of these poplar plantations are established on clearcut forest sites (approx. 11 000 ha). What are the yields of these hybrid poplar plantations? In this article, available yield data are presented and discussed in the context of a sustainable forest zoning management system. In southern Quebec, three factors are highly correlated to yield for clones of various parentages: NO 3 supply rate in riparian soils, elevation (or climate) and soil P availability in abandoned farmland soils. Many Quebec forest sites, particularly in the boreal shield ecozone, have acidic soils and harsh climate, with low mineralization rates. They generally cannot fulfill the very high nutrient requirements of hybrid poplars. Within a forest zoning management system, hybrid poplar plantations and agroforestry should be located in priority in southern Quebec landscapes, with low remaining natural forest cover, and where intensive agriculture is the dominant land-use. This strategy will increase biodiversity and the provision of ecosystem services. Elsewhere, intensive trembling aspen regeneration silviculture could be a sustainable alternative to forest conversion into hybrid poplar plantations. },
    COMMENT = { Export Date: 18 September 2012 Source: Scopus CODEN: FRCRA doi: 10.5558/tfc2012-075 },
    ISSN = { 00157546 (ISSN) },
    KEYWORDS = { Afforestation, Agroforestry, Biodiversity, Biomass, Ecosystem services, Forest conversion, Intensive aspen silviculture },
    OWNER = { Luc },
    TIMESTAMP = { 2012.09.18 },
    URL = { http://www.scopus.com/inward/record.url?eid=2-s2.0-84865709397&partnerID=40&md5=a81b4595ef66d63faeb949d780afaed1 },
}

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