Boreal and Temperate Trees in a Changing Climate: Modelling by Heikki Hänninen

By Heikki Hänninen

This booklet offers an summary of ways boreal and temperate tree species have tailored their annual improvement cycle to the seasonally various weather conditions. accordingly, the frost hardy dormant section, and the weak development section, are synchronized with the seasonality of the climate.

the quantity discusses the once a year cycle, together with a variety of attributes equivalent to timing of bud burst and different phenological occasions, seasonality of photosynthetic potential or the frost hardiness of the trees.

over the past few a long time dynamic ecophysiological versions were used more and more in experiences of the once a year cycle, quite whilst projecting the ecological results of weather swap. the most emphasis of this quantity is on combining modelling with experimental stories, and at the significance of the organic realism of the models.

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Boreal and Temperate Trees in a Changing Climate: Modelling the Ecophysiology of Seasonality

This booklet offers an summary of ways boreal and temperate tree species have tailored their annual improvement cycle to the seasonally various weather conditions. for that reason, the frost hardy dormant part, and the weak development part, are synchronized with the seasonality of the weather. the quantity discusses the once a year cycle, together with numerous attributes similar to timing of bud burst and different phenological occasions, seasonality of photosynthetic skill or the frost hardiness of the timber.

Extra resources for Boreal and Temperate Trees in a Changing Climate: Modelling the Ecophysiology of Seasonality

Sample text

Tree Physiology, 24, 369–376. 34 2 Dynamic Modelling of the Annual Cycle Mesarovic, M. , & Takahara, Y. (1975). General systems theory: Mathematical foundations. New York: Academic Press. 268 p. Niiniluoto, I. (1983). Tieteellinen p€ aa€ttely ja selitt€ aminen. Helsinki: Kustannusosakeyhti€ o Otava. 416 p. , Bale, J. , Leadbeater, B. S. , Callow, M. , & Holden, J. B. (2003). Developmental thresholds and day-degree requirements of Paratanytarsus grimmii and Corynoneura scutellata (Diptera: Chironomidae): Two midges associated with potable water treatment.

4 Introducing the Experimental Results into the Modelling . . . . . . 5 Effects of Fluctuating Temperatures . . . . . . . . . . . . . . . . . . 2 The Unique Role of Air Temperature in Comparison with Other Environmental Factors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Dormancy in the Buds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 The Nomenclature for Dormancy .

1 Contradictory Findings Concerning Rest Completion . . . . . . . . . 2 Attempts to Resolve the Paradox . . . . . . . . . . . . . . . . . . . . 5 Quantitative Dormancy Induction . . . . . . . . . . . . . . . . . . . . . . . . 6 Alternative Modelling Approaches . . . . . . . . . . . . . . . . . . . . . . . . 1 Ecophysiological, Phenological, and Intermediate Approach . . . . . 2 Mechanistic Models . . .

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