HouleCarignan1992

Référence

Houle, D., Carignan, R. (1992) Sulfur speciation and distribution in soils and aboveground biomass of a boreal coniferous forest. Biogeochemistry, 16(1):63-82. (Scopus )

Résumé

Major sulfur pools are quantified in soils and aboveground biomass of a coniferous boreal forest. Total ecosystem S averages 1395 kg·ha-1 of which 98% is found in the soil, with 89% being in the mineral horizons. Organic S dominates in soil, tree parts (trunks, branches + foliage, roots) and litterfall, ranging from 77 to 99% of total S concentration. Carbon-bonded S, ester sulfate and SO4-S in soil profiles range respectively from 51-68%, 29-37% and 1-14% of total S concentrations and account respectively for 57, 33 and 10% of total S on an areal basis. Adsorbed SO4 accounts for 82% of total SO4, and can be predicted from Al bound to organic matter, amorphous Al and pH (r2 = 0.81). There is a strong relationship between % carbon and carbon-bonded S in 4 of the 5 soil horizons studied which represent over 95% of the total soil organic matter, whereas ester sulfate is related to % carbon in 3 soil horizons representing only 37% of the soil organic matter. An analysis of atmospheric S loading and S data for 10 forested sites in Europe and North America suggests that the size of the organic S pool in forested systems is independent of atmospheric loading. © 1992 Kluwer Academic Publishers.

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@ARTICLE { HouleCarignan1992,
    AUTHOR = { Houle, D. and Carignan, R. },
    TITLE = { Sulfur speciation and distribution in soils and aboveground biomass of a boreal coniferous forest },
    JOURNAL = { Biogeochemistry },
    YEAR = { 1992 },
    VOLUME = { 16 },
    PAGES = { 63-82 },
    NUMBER = { 1 },
    NOTE = { cited By 30 },
    ABSTRACT = { Major sulfur pools are quantified in soils and aboveground biomass of a coniferous boreal forest. Total ecosystem S averages 1395 kg·ha-1 of which 98% is found in the soil, with 89% being in the mineral horizons. Organic S dominates in soil, tree parts (trunks, branches + foliage, roots) and litterfall, ranging from 77 to 99% of total S concentration. Carbon-bonded S, ester sulfate and SO4-S in soil profiles range respectively from 51-68%, 29-37% and 1-14% of total S concentrations and account respectively for 57, 33 and 10% of total S on an areal basis. Adsorbed SO4 accounts for 82% of total SO4, and can be predicted from Al bound to organic matter, amorphous Al and pH (r2 = 0.81). There is a strong relationship between % carbon and carbon-bonded S in 4 of the 5 soil horizons studied which represent over 95% of the total soil organic matter, whereas ester sulfate is related to % carbon in 3 soil horizons representing only 37% of the soil organic matter. An analysis of atmospheric S loading and S data for 10 forested sites in Europe and North America suggests that the size of the organic S pool in forested systems is independent of atmospheric loading. © 1992 Kluwer Academic Publishers. },
    AUTHOR_KEYWORDS = { balsam fir; biomass; forest soils; S constituents; S pool; S retention },
    DOCUMENT_TYPE = { Article },
    DOI = { 10.1007/BF00024253 },
    KEYWORDS = { atmospheric deposition; biogeochemistry; forest soil; sulphate; sulphur pool, Europe; North America },
    SOURCE = { Scopus },
    URL = { https://www.scopus.com/inward/record.uri?eid=2-s2.0-0027088953&partnerID=40&md5=a82ce96e5673c7bf0cda2fe4f40df9d1 },
}

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