Birch Spring 2021 - News and Discussion - European Phenology Campaign
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Here are pictures of our birch trees 1.4.2021. The current air temperature was 16 degrees. The last seven days air temperature was really high for this time of the year so the leaves grew really fast.
Birch1
1.4.2021. – Leaf1 36mm
Leaf2 38 mm
Leaf3 40 mm
Leaf4 39 mm
Birch2
1.4.2021. – Leaf1 30 mm
Leaf2 14 mm
Leaf3 17 mm
Leaf4 12 mm
Greetings from Karlovac, Croatia
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