PareVanCleve1993a

Référence

Pare, D. and Van Cleve, K. (1993) Aboveground biomass production and nutrient accumulation on postharvested white spruce sites in interior Alaska. Canadian Journal of Forest Research, 23(6):1233-1239. (Scopus )

Résumé

Aboveground biomass production of 14-year-old regenerating trembling aspen Populus tremuloides clumps was three times higher than the aboveground production of mature Picea glauca stands, while the aboveground production of other regenerating communities was lower or equivalent to the production of mature white spruce. However, the nutrient content of aboveground current biomass was greater in all regenerating communities than in mature white spruce stands, except on regenerating sites where the forest floor was absent. The amount of nutrient incorporated in current aboveground biomass was five times greater in trembling aspen clumps than in mature white spruce stands. Total N, P and K content of aboveground vegetation corresponded, in 14-yr-old aspen clumps, to a value that ranged from 50-109% of the amount found in the aboveground biomass of mature white spruce forests, while this value ranged from 4-14% on other regeneration types. Trembling aspen and balsam poplar Populus balsamifera both showed greatest concentrations of N and P in foliar litter fall. Development of a trembling aspen clump after clear-cutting thus contributes to the acceleration of nutrient cycling, development of herbaceous communities during the same period and after clear-cutting was accompanied by much lower nutrient cycling rates in the aboveground portion of the vegetation. -from Authors

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@ARTICLE { PareVanCleve1993a,
    AUTHOR = { Pare, D. and Van Cleve, K. },
    TITLE = { Aboveground biomass production and nutrient accumulation on postharvested white spruce sites in interior Alaska },
    JOURNAL = { Canadian Journal of Forest Research },
    YEAR = { 1993 },
    VOLUME = { 23 },
    NUMBER = { 6 },
    PAGES = { 1233-1239 },
    NOTE = { cited By 10 },
    ABSTRACT = { Aboveground biomass production of 14-year-old regenerating trembling aspen Populus tremuloides clumps was three times higher than the aboveground production of mature Picea glauca stands, while the aboveground production of other regenerating communities was lower or equivalent to the production of mature white spruce. However, the nutrient content of aboveground current biomass was greater in all regenerating communities than in mature white spruce stands, except on regenerating sites where the forest floor was absent. The amount of nutrient incorporated in current aboveground biomass was five times greater in trembling aspen clumps than in mature white spruce stands. Total N, P and K content of aboveground vegetation corresponded, in 14-yr-old aspen clumps, to a value that ranged from 50-109% of the amount found in the aboveground biomass of mature white spruce forests, while this value ranged from 4-14% on other regeneration types. Trembling aspen and balsam poplar Populus balsamifera both showed greatest concentrations of N and P in foliar litter fall. Development of a trembling aspen clump after clear-cutting thus contributes to the acceleration of nutrient cycling, development of herbaceous communities during the same period and after clear-cutting was accompanied by much lower nutrient cycling rates in the aboveground portion of the vegetation. -from Authors },
    AFFILIATION = { Forest Soils Laboratory, Univ. of Alaska Fairbanks, Fairbanks, AK 99775-0080, USA., United States },
    DOCUMENT_TYPE = { Article },
    DOI = { 10.1139/x93-155 },
    SOURCE = { Scopus },
    URL = { https://www.scopus.com/inward/record.uri?eid=2-s2.0-0027802812&doi=10.1139%2fx93-155&partnerID=40&md5=c64937ed1ee516e953daa40231b41c8b },
}

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