Phenological observations

Le résumé fourni par la source

Knowledge about the timing and the duration of certain life events (phenology) provides valuable information in explaining the actual condition of the trees themselves. Changes in the timing of life events may be caused by fluctuations and changes in climate, but also by other environmental impacts such as air pollution. Such changes do not only affect the condition of the trees, but also ecological processes at the stand and landscape level. [...]

Ce résumé expose les affirmations des auteurs. BNTIC ne l’interprète pas comme une validation indépendante des résultats.