PareBergeronCamire1993

Référence

Pare, D., Bergeron, Y., Camiré, C. (1993) Changes in the forest floor of Canadian southern boreal forest after disturbance. Journal of Vegetation Science, 4(6):811-818. (Scopus )

Résumé

Abstract. The concentrations and contents of organic matter and nutrients in organic deposits on the forest floor were estimated along a 231‐yr chronosequence following fire at the southern limit of the boreal forest in eastern Canada. The sampling design was stratified to take into account the variability related to the presence of the principal tree species as well as to the presence of large gaps created by a recent spruce budworm Choristoneura fumiferana outbreak. The forest floor showed a steady accumulation of organic matter and total nutrients with time‐since‐fire and a 50 % decrease in the concentrations of available P and K, but not N (as determined by aerobic incubation). The increase in forest‐floor weight was accompanied by an increased storage of available N, Ca and Mg. The availability of N and Ca was more strongly affected by tree species and gaps than by time‐since‐fire. A high N‐availability was observed under Betula papyrifera and in gaps, while high a Ca‐availability was found near Populus tremuloides and Thuja occidentalis. In old sites, the forest floor of gaps, created by a recent spruce budworm outbreak, had a necromass similar to that of a young forest, but the low concentrations of available P and K of an old forest. 1993 IAVS ‐ the International Association of Vegetation Science

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@ARTICLE { PareBergeronCamire1993,
    AUTHOR = { Pare, D. and Bergeron, Y. and Camiré, C. },
    TITLE = { Changes in the forest floor of Canadian southern boreal forest after disturbance },
    JOURNAL = { Journal of Vegetation Science },
    YEAR = { 1993 },
    VOLUME = { 4 },
    NUMBER = { 6 },
    PAGES = { 811-818 },
    NOTE = { cited By 68 },
    ABSTRACT = { Abstract. The concentrations and contents of organic matter and nutrients in organic deposits on the forest floor were estimated along a 231‐yr chronosequence following fire at the southern limit of the boreal forest in eastern Canada. The sampling design was stratified to take into account the variability related to the presence of the principal tree species as well as to the presence of large gaps created by a recent spruce budworm Choristoneura fumiferana outbreak. The forest floor showed a steady accumulation of organic matter and total nutrients with time‐since‐fire and a 50 % decrease in the concentrations of available P and K, but not N (as determined by aerobic incubation). The increase in forest‐floor weight was accompanied by an increased storage of available N, Ca and Mg. The availability of N and Ca was more strongly affected by tree species and gaps than by time‐since‐fire. A high N‐availability was observed under Betula papyrifera and in gaps, while high a Ca‐availability was found near Populus tremuloides and Thuja occidentalis. In old sites, the forest floor of gaps, created by a recent spruce budworm outbreak, had a necromass similar to that of a young forest, but the low concentrations of available P and K of an old forest. 1993 IAVS ‐ the International Association of Vegetation Science },
    AFFILIATION = { Groupe de recherche en écologie forestière, Université du Québec à Montréal, C.P. 8888 Succ. A, Montréal, Québec, H3C 3P8, Canada; Centre de recherche en biologie forestière, Faculté de foresterie et de géomatique, Université Laval, pavillon Abitibi‐Price, Sainte-Foy, Québec, G1K 7P4, Canada },
    AUTHOR_KEYWORDS = { Betula papyrifera; Choristoneura fumiferana; Fire; Gap; Nutrient; Populus tremuloides; Spruce budworm; Thuja occidentalis. },
    DOCUMENT_TYPE = { Article },
    DOI = { 10.2307/3235619 },
    SOURCE = { Scopus },
    URL = { https://www.scopus.com/inward/record.uri?eid=2-s2.0-84986799911&doi=10.2307%2f3235619&partnerID=40&md5=abae03a1f85a55ed1ce7f3924e81b5d3 },
}

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