Spring 2023 https://www.globe.gov/c/message_boards/find_thread?p_l_id=18703103&threadId=105122601 2026-09-11T07:33:07Z 2026-09-11T07:33:07Z Snježana Marković-Zoraja https://www.globe.gov/c/message_boards/find_message?p_l_id=18703103&messageId=105122600 2023-04-20T20:28:22Z 2023-04-20T20:28:22Z

Hi from Dubovac Primary school, Karlovac, Croatia!<br />We continue observing two birches (Betula pendula L)<br /><br />Our observation on April 19th, current air temperature: 19C<br />Birch 1.<br />Leaf 1. 36 mm, leaf 2. 36 mm, leaf 3.  37 mm, leaf 4.  38 mm<br /><img src="https://www.globe.gov/documents/18702582/0/Birch+1.19.4.jpg/5f9e7c16-05e9-31fe-ae27-b07d9d3ca414?t=1682022409512&amp;imagePreview=1" /><br /><br /><br /><br />Birch 2.<br />Leaf 1. 48 mm, leaf 2. 47 mm, leaf 3.  49 mm, leaf 4.  48 mm<br />​​​​​​​<br /><img src="https://www.globe.gov/documents/18702582/0/Birch+2.19.4.jpg/96945eee-9446-8d68-fb8b-b61cef10de6c?t=1682022452069&amp;imagePreview=1" />

Snježana Marković-Zoraja 2023-04-20T20:28:22Z