TakahashiAriiLechowicz2007

Référence

Takahashi, K., Arii, K., Lechowicz, M.J. (2007) Quantitative and qualitative effects of a severe ice storm on an old-growth beech-maple forest. Canadian Journal of Forest Research, 37(3):598-606. (Scopus )

Résumé

Comparing permanent plots censused in 1997 and again in 2005, we quantified the impact of a severe ice storm on forest composition and dynamics in an old-growth beech-maple forest in eastern Canada. Acer saccharum Marsh, and Fagus grandifolia Ehrh. accounted for 78% of stand basal area immediately before the January 1998 ice storm. By 2005, eight growing seasons after the ice storm, stand basal area had dropped from 49.1 m2/ha to 31.5 m 2/ha, and total tree density (>1 cm diameter at breast height (DBH)) decreased from 6350 stems/ha to 3875 stems/ha. However, A. saccharum and F. grandifolia remained dominant, accounting for 74% of stand basal area. Detrended correspondence analysis of relative dominance ratios at each plot in 1997 and 2005 showed that community composition did not change much during this period for either understory (1 cm ? DBH < 10 cm) or canopy trees (DBH ? 10 cm). The ice storm did not lead to significant recruitment of saplings (DBH ? 1 cm), but appears to have only contributed more to the growth of already-established saplings. We conclude that the ice storm of 1998 substantially decreased stand basal area and stem density but did not act to change the overall species composition or tree diversity in this old-growth beech-maple forest. © 2007 NRC.

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@ARTICLE { TakahashiAriiLechowicz2007,
    AUTHOR = { Takahashi, K. and Arii, K. and Lechowicz, M.J. },
    TITLE = { Quantitative and qualitative effects of a severe ice storm on an old-growth beech-maple forest },
    JOURNAL = { Canadian Journal of Forest Research },
    YEAR = { 2007 },
    VOLUME = { 37 },
    PAGES = { 598-606 },
    NUMBER = { 3 },
    ABSTRACT = { Comparing permanent plots censused in 1997 and again in 2005, we quantified the impact of a severe ice storm on forest composition and dynamics in an old-growth beech-maple forest in eastern Canada. Acer saccharum Marsh, and Fagus grandifolia Ehrh. accounted for 78% of stand basal area immediately before the January 1998 ice storm. By 2005, eight growing seasons after the ice storm, stand basal area had dropped from 49.1 m2/ha to 31.5 m 2/ha, and total tree density (>1 cm diameter at breast height (DBH)) decreased from 6350 stems/ha to 3875 stems/ha. However, A. saccharum and F. grandifolia remained dominant, accounting for 74% of stand basal area. Detrended correspondence analysis of relative dominance ratios at each plot in 1997 and 2005 showed that community composition did not change much during this period for either understory (1 cm ? DBH < 10 cm) or canopy trees (DBH ? 10 cm). The ice storm did not lead to significant recruitment of saplings (DBH ? 1 cm), but appears to have only contributed more to the growth of already-established saplings. We conclude that the ice storm of 1998 substantially decreased stand basal area and stem density but did not act to change the overall species composition or tree diversity in this old-growth beech-maple forest. © 2007 NRC. },
    ADDRESS = { Ritsumeikan Asia Pacific University, College of Asia Pacific Studies, Health, Environment and Life Science Institute, 1-1 Jomonjibaru, Beppu, Oita, 874-8577, Japan },
    COMMENT = { Export Date: 30 August 2007 Source: Scopus CODEN: CJFRA doi: 10.1139/X06-266 Language of Original Document: English Correspondence Address: Takahashi, K.; Department of Biology; Faculty of Science; Shinshu University Matsumoto, 390-8621, Japan; email: koichit@gipac.shinshu-u.ac.jp },
    ISSN = { 00455067 (ISSN) },
    OWNER = { brugerolles },
    TIMESTAMP = { 2007.12.05 },
    URL = { http://www.scopus.com/scopus/inward/record.url?eid=2-s2.0-34547960425&partnerID=40&rel=R6.5.0 },
}

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