HunterLechowicz1992a

Référence

Hunter, A.F., Lechowicz, M.J. (1992) Predicting the timing of budburst in temperate trees. Journal of Applied Ecology, 29(3):597-604.

Résumé

Four models for predicting budburst in northern hardwood trees, based on response to spring warming alone, or with the response to spring warming modified by winter chilling and photoperiod, were compared. An historical, 18-yr budburst record, and artificial datasets with budburst dates generated according to each of four conceptual models, were used to analyse the abilities of the models to predict budburst dates. The four models all gave better predictions than could be obtained by taking the average date of budburst of a species. The historical budburst dates were most accurately predicted by models based only on spring warming from a fixed start date, or from a start date determined by the satisfaction of a chilling requirement. A photothermal model was only useful for species with late budburst dates, and gave relatively little improvement over the average date of buburst as a predictor. -from Authors

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@ARTICLE { HunterLechowicz1992a,
    AUTHOR = { Hunter, A.F. and Lechowicz, M.J. },
    TITLE = { Predicting the timing of budburst in temperate trees },
    JOURNAL = { Journal of Applied Ecology },
    YEAR = { 1992 },
    VOLUME = { 29 },
    PAGES = { 597-604 },
    NUMBER = { 3 },
    NOTE = { 00218901 (ISSN) Cited By (since 1996): 69 Export Date: 26 April 2007 Source: Scopus Language of Original Document: English },
    ABSTRACT = { Four models for predicting budburst in northern hardwood trees, based on response to spring warming alone, or with the response to spring warming modified by winter chilling and photoperiod, were compared. An historical, 18-yr budburst record, and artificial datasets with budburst dates generated according to each of four conceptual models, were used to analyse the abilities of the models to predict budburst dates. The four models all gave better predictions than could be obtained by taking the average date of budburst of a species. The historical budburst dates were most accurately predicted by models based only on spring warming from a fixed start date, or from a start date determined by the satisfaction of a chilling requirement. A photothermal model was only useful for species with late budburst dates, and gave relatively little improvement over the average date of buburst as a predictor. -from Authors },
    KEYWORDS = { budburst phenology photoperiod spring warming temperate tree },
    OWNER = { brugerolles },
    TIMESTAMP = { 2007.12.05 },
}

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