DrobyshevNiklassonAngelstam2004

Référence

Drobyshev, I., Niklasson, M. and Angelstam, P. (2004) Contrasting tree-ring data with fire record in a pine-dominated landscape in the Komi Republic (eastern European Russia): Recovering a common climate signal. Silva Fennica, 38(1):43-53. (Scopus )

Résumé

For the period 1420-1960 we contrasted fire events reconstructed at 14 sites distributed over a 50 km x 50 km area in the central part of the Komi Republic (European Russia) with a set of tree-ring width chronologies of Scots pine (Pinus sylvestris L.), developed for the same area. Our aim was to infer common climatic information contained in tree-ring variables and independently dated fire events with the help of a superposed epoch analysis. The strongest weather-growth link was shown for the latewood width, which was positively correlated with the temperature in April-May and July-August of the current growth season and with previous year precipitation in July-August. Earlywood width was positively affected by previous year precipitation in May and November. The relationship between yearly ring variables and multiple-site fire events was dependent on the seasonal timing of fire events as recorded in the scars. In years with early-season fires (which made up 37% of all fires dated with seasonal resolution) total ring width was significantly narrower. In years with late-season fires (63%) total ring width, earlywood, and latewood width were significantly wider. Years with late-season fires tended to be associated with local highs of the latewood width chronologies over 1400-1960, which implied a link between decadal-scale climate variation and fire regime of the area.

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@ARTICLE { DrobyshevNiklassonAngelstam2004,
    AUTHOR = { Drobyshev, I. and Niklasson, M. and Angelstam, P. },
    TITLE = { Contrasting tree-ring data with fire record in a pine-dominated landscape in the Komi Republic (eastern European Russia): Recovering a common climate signal },
    JOURNAL = { Silva Fennica },
    YEAR = { 2004 },
    VOLUME = { 38 },
    PAGES = { 43-53 },
    NUMBER = { 1 },
    NOTE = { cited By (since 1996)9 },
    ABSTRACT = { For the period 1420-1960 we contrasted fire events reconstructed at 14 sites distributed over a 50 km x 50 km area in the central part of the Komi Republic (European Russia) with a set of tree-ring width chronologies of Scots pine (Pinus sylvestris L.), developed for the same area. Our aim was to infer common climatic information contained in tree-ring variables and independently dated fire events with the help of a superposed epoch analysis. The strongest weather-growth link was shown for the latewood width, which was positively correlated with the temperature in April-May and July-August of the current growth season and with previous year precipitation in July-August. Earlywood width was positively affected by previous year precipitation in May and November. The relationship between yearly ring variables and multiple-site fire events was dependent on the seasonal timing of fire events as recorded in the scars. In years with early-season fires (which made up 37% of all fires dated with seasonal resolution) total ring width was significantly narrower. In years with late-season fires (63%) total ring width, earlywood, and latewood width were significantly wider. Years with late-season fires tended to be associated with local highs of the latewood width chronologies over 1400-1960, which implied a link between decadal-scale climate variation and fire regime of the area. },
    AUTHOR_KEYWORDS = { Boreal; Chronology; Climate; Earlywood; Latewood; Natural disturbance; Seasonal dating; Weather control },
    CODEN = { SIFEA },
    DOCUMENT_TYPE = { Article },
    ISSN = { 00375330 },
    KEYWORDS = { Climatology; Data reduction; Fire protection; Precipitation (meteorology); Thermal effects, Scots pine; Tree-ring, Forestry, chronology; climate signal; disturbance; fire; tree ring, Eurasia; Komi; Russian Federation, Pinus sylvestris },
    SOURCE = { Scopus },
    URL = { http://www.scopus.com/inward/record.url?eid=2-s2.0-1842536075&partnerID=40&md5=a1a67fcbb68bbd37d02db69ef26e50ef },
}

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