LavoiePareBergeron2007

Référence

Lavoie, M., Pare, D., Bergeron, Y. (2007) Quality of growth substrates of post-disturbed lowland black spruce sites for black spruce (Picea mariana) seedling growth. New Forests, 33(2):207-216. (Scopus )

Résumé

Black spruce (Picea mariana (Mill.) BSP) is the most important commercial tree species in the eastern boreal forest of Canada. Only limited work has been conducted to assess the quality of the various substrates that are found on post-disturbed sites prone to paludification having an effect on black spruce seedling growth. The objectives of this study were (1) to use a pot test to assess black spruce seedling performance on substrates found at the soil surface, in the rooting zone of undisturbed soil, at depths that become available to spruce roots after soil disturbance by wildfire or through management; and (2) to determine the nutritional quality of these substrates when constraints of poor drainage are artificially removed. Black spruce growth was greatest with fibric Pleurozium in the rooting zone, and with burned fibric Pleurozium and living Sphagnum at the soil surface. Good seedling growth on different substrates found in the rooting zone was associated with higher N and P foliar concentrations. Based on these results, we recommend targeted planting of black spruce seedlings in substrates of Pleurozium origin and the development of management techniques that promote Pleurozium schreberi. © 2006 Springer Science+Business Media, Inc.

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@ARTICLE { LavoiePareBergeron2007,
    AUTHOR = { Lavoie, M. and Pare, D. and Bergeron, Y. },
    TITLE = { Quality of growth substrates of post-disturbed lowland black spruce sites for black spruce (Picea mariana) seedling growth },
    JOURNAL = { New Forests },
    YEAR = { 2007 },
    VOLUME = { 33 },
    NUMBER = { 2 },
    PAGES = { 207-216 },
    NOTE = { cited By 10 },
    ABSTRACT = { Black spruce (Picea mariana (Mill.) BSP) is the most important commercial tree species in the eastern boreal forest of Canada. Only limited work has been conducted to assess the quality of the various substrates that are found on post-disturbed sites prone to paludification having an effect on black spruce seedling growth. The objectives of this study were (1) to use a pot test to assess black spruce seedling performance on substrates found at the soil surface, in the rooting zone of undisturbed soil, at depths that become available to spruce roots after soil disturbance by wildfire or through management; and (2) to determine the nutritional quality of these substrates when constraints of poor drainage are artificially removed. Black spruce growth was greatest with fibric Pleurozium in the rooting zone, and with burned fibric Pleurozium and living Sphagnum at the soil surface. Good seedling growth on different substrates found in the rooting zone was associated with higher N and P foliar concentrations. Based on these results, we recommend targeted planting of black spruce seedlings in substrates of Pleurozium origin and the development of management techniques that promote Pleurozium schreberi. © 2006 Springer Science+Business Media, Inc. },
    AFFILIATION = { NSERC-UQAT-UQAM Industrial Research Chair in Sustainable Forest Management, Université du Québec en Abitibi-Témiscamingue, 445 de l'Université, Rouyn-Noranda, Que. J9X 5E4, Canada; Natural Resources Canada, Canadian Forest Service, Laurentian Forestry Centre, P.O. Box 10380, Quebec, Que. G1V 4C7, Canada },
    AUTHOR_KEYWORDS = { Black spruce seedlings; Careful logging; Growth substrates; Pot experiment; Wildfire },
    DOCUMENT_TYPE = { Article },
    DOI = { 10.1007/s11056-006-9024-5 },
    SOURCE = { Scopus },
    URL = { https://www.scopus.com/inward/record.uri?eid=2-s2.0-33847179523&doi=10.1007%2fs11056-006-9024-5&partnerID=40&md5=a229f7390e5f15d20a56c571cdd6aa7a },
}

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