GauthierGagnon1990

Référence

Gauthier, S. and Gagnon, D. (1990) The vegetation of the Laurentian foothills: an analysis of the community ecological gradients and successsional stage. Canadian Journal of Botany, 68(2):391-401. (Scopus )

Résumé

Soil moisture and richness, strongly associated with topographical variations, are the ecological factors that best explain vegetation distribution. Eleven community types were identified. Oligotrophic-xeric community types, characterized by Pinus strobus and Quercus rubra, are generally found in sites at high elevation, where soils are thin, well drained and nutrient poor. The Acer saccharum community types, of the mesotrophic-mesic group, are situated at the base of slopes with deep, rich soils. Fagus grandifolia, Acer rubrum and Tsuga canadensis characterize a 3rd group of oligotrophic-mesic community types, found on sites with relatively poorly drained and nutrient-poor soils, in topographic positions intermediate to the first 2 groups. A community type successional status index, based on the homogeneity and similarity of the tree and sapling strata, shows that natural and anthropogenic disturbances are also responsible for part of the vegetation variation. Hemlock and beech forests are the most successionally advanced community types of the oligotrophic-mesic group. On richer soils fed by seepage, the maple-hickory community type is also relatively stable. -from English summary

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@ARTICLE { GauthierGagnon1990,
    AUTHOR = { Gauthier, S. and Gagnon, D. },
    TITLE = { The vegetation of the Laurentian foothills: an analysis of the community ecological gradients and successsional stage },
    JOURNAL = { Canadian Journal of Botany },
    YEAR = { 1990 },
    VOLUME = { 68 },
    PAGES = { 391-401 },
    NUMBER = { 2 },
    ABSTRACT = { Soil moisture and richness, strongly associated with topographical variations, are the ecological factors that best explain vegetation distribution. Eleven community types were identified. Oligotrophic-xeric community types, characterized by Pinus strobus and Quercus rubra, are generally found in sites at high elevation, where soils are thin, well drained and nutrient poor. The Acer saccharum community types, of the mesotrophic-mesic group, are situated at the base of slopes with deep, rich soils. Fagus grandifolia, Acer rubrum and Tsuga canadensis characterize a 3rd group of oligotrophic-mesic community types, found on sites with relatively poorly drained and nutrient-poor soils, in topographic positions intermediate to the first 2 groups. A community type successional status index, based on the homogeneity and similarity of the tree and sapling strata, shows that natural and anthropogenic disturbances are also responsible for part of the vegetation variation. Hemlock and beech forests are the most successionally advanced community types of the oligotrophic-mesic group. On richer soils fed by seepage, the maple-hickory community type is also relatively stable. -from English summary },
    ADDRESS = { Dept des Sciences BiologiQues, Univ de Montreal, CP 6128, Succ. A, Montreal, Quebec, Canada H3C 3J7 },
    BOOKTITLE = { La vegetation des contreforts des Laurentides: une analyse des gradients ecologiques et du niveau successionnel des communautes },
    COMMENT = { Cited By (since 1996): 8 Export Date: 26 September 2007 Source: Scopus Language of Original Document: French },
    ISSN = { 00084026 (ISSN) },
    KEYWORDS = { beech, hemlock, hickory, maple, soil moisture, succession, Canada, Quebec, Laurentides, Acer, Acer rubrum, Acer saccharum, Carya, Carya illinoinensis, Conium, Conium maculatum, Fagus, Fagus grandifolia, Laurentia, Pinus strobus, Quercus, Quercus rubra, Saccharum hybrid cultivar, Tsuga, Tsuga canadensis },
    OWNER = { Luc },
    TIMESTAMP = { 2007.09.26 },
    URL = { http://www.scopus.com/scopus/inward/record.url?eid=2-s2.0-0025229642&partnerID=40&rel=R6.5.0 },
}

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