NoletDelagrangeBouffardEtAl2008

Référence

Nolet, P., Delagrange, S., Bouffard, D., Doyon, F., Forget, E. (2008) The successional status of sugar maple (Acer saccharum), revisited. Annals of Forest Science, 65(2):-. (Scopus )

Résumé

Two complementary experimental designs at two contrasting scales (landscape/long term; individual tree/short term) were used for an in-depth evaluation of the successional status of sugar maple (AS: Acer saccharum Marsh.). First, forest disturbances during the 20th century and composition were mapped for two landscapes in the Du Lièvre watershed of southern Quebec. Our results show that, as well as dominating stands in the absence of fire, AS often rapidly developed dominance after fire, especially in the south of our study area. Similarly, a majority of AS-dominated stands clearcut in 1928 continued to be AS-dominated 60 years later. Second, we examined AS seedlings planted under two very contrasting light regimes. AS seedlings showed a combination of traits particularly adapted to tolerate shade under a low light regime. However, owing to a surprisingly high phenotypic plasticity, AS also exhibited efficient development under high light. This suggests the classification of AS as a late-successional species should indeed be revised and that generalist or trans-successional would be a more appropriate designation for this species. We discuss the ramifications of such a status revision, with an emphasis on the implications for its silviculture. © 2008 INRA EDP Sciences.

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@ARTICLE { NoletDelagrangeBouffardEtAl2008,
    AUTHOR = { Nolet, P. and Delagrange, S. and Bouffard, D. and Doyon, F. and Forget, E. },
    TITLE = { The successional status of sugar maple (Acer saccharum), revisited },
    JOURNAL = { Annals of Forest Science },
    YEAR = { 2008 },
    VOLUME = { 65 },
    PAGES = { -- },
    NUMBER = { 2 },
    ABSTRACT = { Two complementary experimental designs at two contrasting scales (landscape/long term; individual tree/short term) were used for an in-depth evaluation of the successional status of sugar maple (AS: Acer saccharum Marsh.). First, forest disturbances during the 20th century and composition were mapped for two landscapes in the Du Lièvre watershed of southern Quebec. Our results show that, as well as dominating stands in the absence of fire, AS often rapidly developed dominance after fire, especially in the south of our study area. Similarly, a majority of AS-dominated stands clearcut in 1928 continued to be AS-dominated 60 years later. Second, we examined AS seedlings planted under two very contrasting light regimes. AS seedlings showed a combination of traits particularly adapted to tolerate shade under a low light regime. However, owing to a surprisingly high phenotypic plasticity, AS also exhibited efficient development under high light. This suggests the classification of AS as a late-successional species should indeed be revised and that generalist or trans-successional would be a more appropriate designation for this species. We discuss the ramifications of such a status revision, with an emphasis on the implications for its silviculture. © 2008 INRA EDP Sciences. },
    COMMENT = { Cited By (since 1996): 1 Export Date: 10 February 2010 Source: Scopus Art. No.: 208 CODEN: AFOSF doi: 10.1051/forest:2007091 },
    ISSN = { 12864560 (ISSN) },
    KEYWORDS = { Landscape, Phenotypic plasticity, Scale of organization, Succession, Sugar maple, angiosperm, disturbance, landscape, phenotypic plasticity, succession, tree, twentieth century, Canada, Lievre Basin, North America, Quebec [Canada], Acer, Acer saccharum },
    OWNER = { Luc },
    TIMESTAMP = { 2010.02.10 },
    URL = { http://www.scopus.com/inward/record.url?eid=2-s2.0-41549158996&partnerID=40&md5=aa3c1a0aa61956c1a5b6513aa91ea003 },
}

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