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Shrubs – Expanding opportunities for dendrochronologists
Presented by Prof. Martin WILMKING on 17 May 2013 from 13:30 to 13:50
Type: Oral Presentation
Trees have long been the dominant life-form used in dendrochronology. In the last few years, however, dendroecology of shrubs comprises a rapidly expanding and vigorous field, especially in arctic, subarctic and alpine regions. But shrubs are not simply small trees, rather a different life strategy to cope with strong environmental variations. For example, issues of crown architecture, resource allocation and clonal growth pose new challenges to the application of traditional dendrochronological methods. Here we review the current field of shrub dendro-sciences and outline the new opportunities, main challenges and recent methodological advances. As an example, we will present initial results of a circumpolar shrub synthesis effort drawing on data from 34 locations and 25 shrub species. Climate sensitivity did not seem to vary significantly by genus or potential canopy height, but seemed highest at the centre of the sampled climate gradient rather than at the edge as expected.
Room: Salon D