# Commission Regulation (EC) No 1737/2006 of 7 November 2006 laying down detailed rules for the implementation of Regulation (EC) No 2152/2003 of the European Parliament and of the Council concerning monitoring of forests and environmental interactions in the Community, Division (73): Event codes for the monitored effects and phenological phenomena

Extent: E+W+S+N.I.

1 Needle appearance or leaf unfolding
2 Lammas shoots/secondary flushing
3 Flowering
4 Color changes
5 Leaf/needle fall
6 Significant signs of leaf or crown damage (e.g., eaten leaves or bare crown parts)
7 Other damage (breakage, uprooted trees).

---
Source: https://www.legislation.gov.uk/eur/2006/1737/annex/I/chapter/15/division/12/division/73 (the official version)
Page: https://openlegislation.uk/eu-regulation-2006-1737/annex-I/chapter-15/division-12/division-73
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.