Krause2006b

Référence

Krause, C. (2006) Growth development of a balsam fir (Abies balsamea (L.) Mill.) originating from layering. Dendrochronologia, 23(3):139-143. (Scopus )

Résumé

After a disturbance, balsam fir stands (Abies balsamea (L.) Mill.) regenerate primarily by seedlings, but layering is also known to occur and to contribute to the subsequent population base. We examined in detail the lower part of one balsam fir stem, stump and roots in order to: reconstruct the establishment of one mature balsam fir with evidence of layer-origin. The life history of this tree was then reconstructed by measuring tree-ring widths, dating all the sections, and by identifying the presence or absence of pith to differentiate between stem and root structures. We located a pith structure in this tree 51 cm below ground level. This lowest section with pith was characterized by a diameter of only 3 mm and contained 40 concentric tree-rings, suggesting that it originated from a branch. Radial and height growth measured were small until the beginning of 1930s. This period was abruptly followed by an increase in growth in both height and diameter as well as a massive production of adventitious roots, probably produced by partial harvesting of the parent tree/stand. © 2005 Elsevier GmbH. All rights reserved.

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@ARTICLE { Krause2006b,
    AUTHOR = { Krause, C. },
    TITLE = { Growth development of a balsam fir (Abies balsamea (L.) Mill.) originating from layering },
    JOURNAL = { Dendrochronologia },
    YEAR = { 2006 },
    VOLUME = { 23 },
    PAGES = { 139-143 },
    NUMBER = { 3 },
    ABSTRACT = { After a disturbance, balsam fir stands (Abies balsamea (L.) Mill.) regenerate primarily by seedlings, but layering is also known to occur and to contribute to the subsequent population base. We examined in detail the lower part of one balsam fir stem, stump and roots in order to: reconstruct the establishment of one mature balsam fir with evidence of layer-origin. The life history of this tree was then reconstructed by measuring tree-ring widths, dating all the sections, and by identifying the presence or absence of pith to differentiate between stem and root structures. We located a pith structure in this tree 51 cm below ground level. This lowest section with pith was characterized by a diameter of only 3 mm and contained 40 concentric tree-rings, suggesting that it originated from a branch. Radial and height growth measured were small until the beginning of 1930s. This period was abruptly followed by an increase in growth in both height and diameter as well as a massive production of adventitious roots, probably produced by partial harvesting of the parent tree/stand. © 2005 Elsevier GmbH. All rights reserved. },
    COMMENT = { Export Date: 10 February 2010 Source: Scopus doi: 10.1016/j.dendro.2005.12.001 },
    ISSN = { 11257865 (ISSN) },
    KEYWORDS = { Abies balsamea, Adventitious root, Layer, Radial and height growth, disturbance, growth, reconstruction, regeneration, Abies, Abies balsamea },
    OWNER = { Luc },
    TIMESTAMP = { 2010.02.10 },
    URL = { http://www.scopus.com/inward/record.url?eid=2-s2.0-31944434183&partnerID=40&md5=dd312d330ead3606be14700af836abd2 },
}

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