Spring 2023 https://www.globe.gov/c/message_boards/find_thread?p_l_id=18703103&threadId=105817147 2026-05-27T20:25:29Z 2026-05-27T20:25:29Z Snježana Marković-Zoraja https://www.globe.gov/c/message_boards/find_message?p_l_id=18703103&messageId=105817146 2023-05-06T08:57:48Z 2023-05-06T08:57:48Z

Hi from Dubovac Primary school, Karlovac, Croatia!<br />We continue observing two birches (Betula pendula L)<br /><br />Our observation on April 26 th, current air temperature: 18C<br />Birch 1.<br />Leaf 1. 47 mm, leaf 2. 48 mm, leaf 3.  47 mm, leaf 4.  49 mm<br />Birch 2. 57 mm, leaf 2. 59 mm, leaf 3.  57 mm, leaf 4.  58 mm<br /><br />Our observation on May 3 rd, current air temperature: 16C<br />Birch 1.<br />Leaf 1. 58 mm, leaf 2. 60 mm, leaf 3.  57 mm, leaf 4.  60 mm<br />Birch 2. 65 mm, leaf 2. 68 mm, leaf 3.  66 mm, leaf 4.  68 mm<br /><br /><img src="https://www.globe.gov/documents/18702582/0/Birch+2+.3.5.jpg/76115555-74bb-b50d-1787-aaecebe576ee?t=1683363329465&amp;imagePreview=1" /><br /><br /><br /><br /><img src="https://www.globe.gov/documents/18702582/0/Birch+1.3.5.jpg/4d4adf8a-58ca-4486-58c2-87fbeaef755f?t=1683363459402&amp;imagePreview=1" /><br />​​​​​​​

Snježana Marković-Zoraja 2023-05-06T08:57:48Z