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Needle trace method

Simon Poljanšek and Primož Oven and Risto Jalkanen and Tom Levanič Needle trace method. Zbornik gozdarstva in lesarstva (95). pp. 3-12. ISSN 0351-3114

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    Needle trace method retrospectively records the needle age at the time of its fall-off and studies the influence of the environmental and biotic factors on needle proxies. Data on height increments and number of needle traces in tree-rings of individual growth shoot are collected. With needle proxies, the tree crown’s physical condition is evaluated. The method was developed in Finland on Scots Pine (Pinus sylvestris L.) and soon used on many other conifers. Its application is in dendrochronology, forest ecology, pathology and entomology. In this paper, the structure of needle trace is described, background of the method, its usage and the needle proxies: relative number of needle traces, needle retention, needle loss, needle shed, needle age, needle longevity, needle density, needle production and needle pool

    Item Type: Article
    Keywords: conifer, Scots Pine, crown, needle proxy, environment, pollution, defoliation
    Link to COBISS: http://www.cobiss.si/scripts/cobiss?command=SEARCH&base=COBIB&select=ID= 3347110
    Divisions: Biotechnical Faculty, Department of Wood Technology > Working group for wood chemistry
    Slovenian Forestry Institute > Department of Forest Yield and Silviculture
    Item ID: 129
    Date Deposited: 23 Jan 2014 14:18
    Last Modified: 06 Feb 2014 13:37
    URI: http://eprints.gozdis.si/id/eprint/129

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