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UPSC Seminarium med IceLab Postdoc Bertold Mariën

Tid Tisdag 20 december, 2022 kl. 15:00 - 16:00
Plats KB.E3.01 Lilla hörsalen, KBC bygnad

Seminarium kommer att vara på engelska

UPSC Seminarium


Talare: Bertold Mariën 
IceLab postdoc i statistisk inlärning för kronosilvicultur, ett samarbetsprojekt mellan Jun Yu och Maria E. Eriksson grupperna

Titel: Autumn phenology and the timing of leaf senescence


Sammanfattning (på engelska):
"The coloring of leaves in many tree species is a prominent phenomenon. The timing of this process, however, is not yet completely understood. The timing of leaf senescence in beech, oak, birch and poplar trees was investigated during four exceptional dry and warm years. Two aspects were adressed: (I) determining the timing of the leaf senescence and (II) determining the fine-root phenology throughout the year to investigate a possible coupling between the phenology of the leaves and fine-roots. Substantial attention has been given to detecting phenological transition dates in longitudinal data of the chlorophyll content index and fine-roots. Especially the use of generalized additive models (GAMs) and generalized additive models for location, scale and shape (GAMLSS) has been explored in relation to the detection of phenological transition date."

Evenemangstyp: Seminarium
Maria Eriksson
Läs om Maria Eriksson
Jun Yu
Läs om Jun Yu