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How does radial growth of water-stressed populations of european beech (Fagus sylvatica l.) trees vary under multiple drought events?

Chakraborty, Tamalika; Reif, Albert; Matzarakis, Andreas; Saha, Somidh

European beech (Fagus sylvatica L.) trees are becoming vulnerable to drought, with a warming climate. Existing studies disagree on how radial growth varies in European beech in response to droughts. We aimed to find the impact of multiple droughts on beech trees’ annual radial growth at their ecological drought limit created by soil water availability in the forest. Besides, we quantified the influence of competition and canopy openness on the mean basal area growth of beech trees. We carried out this study in five near-natural temperate forests in three localities of Germany and Switzerland. We quantified available soil water storage capacity (AWC) in plots laid in the transition zone from oak to beech dominated forests. The plots were classified as ‘dry’ (AWC < 60 mL) and ‘less-dry’ (AWC > 60 mL). We performed dendroecological analyses starting from 1951 in continuous and discontinuous series to study the influence of climatic drought (i.e., precipitation-potential evapotranspiration) on the radial growth of beech trees in dry and less-dry plots. We used observed values for this analysis and did not use interpolated values from interpolated historical records in this study. ... mehr

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Verlagsausgabe §
DOI: 10.5445/IR/1000130278
Veröffentlicht am 05.03.2021
Cover der Publikation
Zugehörige Institution(en) am KIT Institut für Technikfolgenabschätzung und Systemanalyse (ITAS)
Publikationstyp Zeitschriftenaufsatz
Publikationsjahr 2021
Sprache Englisch
Identifikator ISSN: 1999-4907
KITopen-ID: 1000130278
Erschienen in Forests
Verlag MDPI
Band 12
Heft 2
Seiten 1-32
Schlagwörter available soil water storage capacity; canopy openness; climate-growth relation; climatic water balance model; dendroecology; neighborhood competition; recovery; resilience; resistance; stress ecology
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