Autumn Campaign 2025 - Activity 1 (Marcallo con Casone, Italy) - News and Discussion - European Phenology Campaign
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trees in the school garden: birches, maples, mulberry, cherry and hazel.
At the end of summer (Mid-September) our trees looked suffering, with
some dry branches and, in one case, with no leaves at all. We think it
depends on the extremely hot temperatures registered in August and the
widespread infestation by parasitic insects (Hyphantria cunea). Air
temperature was high until Mid September (average 21-22 degrees
Celsius); last week we recorded a huge amount of rainfall and a relevant
drop in minimum temperature (average 14-15 degrees Celsius). Here are
our first observations! BIRCH A (Betula pendula) Lat: 45.486461 N
Long:8.874593 E Height: 13 m Leaves color: all 5GY 3/2 (until
September 26th)
HAZEL (Corylus avellana) Lat: 45.486461 N Long: 8.874593 E Height:
about 8 m (shrub) Leaves color: 5GY 3/2 (until September 26th)
MAPLE (Acer platanoides) Lat:45.48366 N Long: 8.875074 E Height: 10 m
Leaves color: 5GY 3/2 (until September 26th)
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