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Schuster, C.* ; Kirchner, M. ; Jakobi, G. ; Menzel, A.*

Frequency of inversions affects senescence phenology of Acer pseudoplatanus and Fagus sylvatica.

Int. J. Biometeorol. 58, 485-498 (2014)
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Open Access Green möglich sobald Postprint bei der ZB eingereicht worden ist.
In mountainous regions, inversion situations with cold-air pools in the valleys occur frequently, especially in fall and winter. With the accumulation of inversion days, trees in lower elevations experience lower temperature sums than those in middle elevations. In a two-year observational study, deciduous trees, such as Acer pseudoplatanus and Fagus sylvatica, on altitudinal transects responded in their fall leaf senescence phenology. Phenological phases were advanced and senescence duration was shortened by the cold temperatures in the valley. This effect was more distinct for late phases than for early phases since they experienced more inversion days. The higher the inversion frequency, the stronger the signal was. Acer pseudoplatanus proved to be more sensitive to cold temperatures compared to Fagus sylvatica. We conclude that cold-air pools have a considerable impact on the vegetation period of deciduous trees. Considering this effect, trees in the mid hillside slopes gain advantages compared to lower elevations. Our findings will help to improve knowledge about ecological drivers and responses in mountainous forest ecosystems.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Altitudinal gradients; Transects; Deciduous trees; Fall; Sycamore; Beech; Temperature sensitivity; Leaf Senescence; Frost Damage; Climate-change; Southern Germany; Northern Trees; Woody-plants; Forest; Carbon; Season; Europe
ISSN (print) / ISBN 0020-7128
e-ISSN 1432-1254
Quellenangaben Band: 58, Heft: 4, Seiten: 485-498 Artikelnummer: , Supplement: ,
Verlag Springer
Verlagsort New York
Begutachtungsstatus Peer reviewed