Home > Research & development > Nature > Monitoring > Integrated Monitoring > Manual for Integrated Monitoring > 7 Methodology and Reporting of Subprogrammes > 7.25 Optional subprogramme PH: Phenological observations 7.25 Optional subprogramme PH: Phenological observations This subprogramme has not been incorporated into the ICP IM manual. Please see ICP Forests Manual, part VI, Phenological Observations, 2010. Published 2013-06-10 at 15:11, updated 2023-06-29 at 18:32 Topic: monitoring Target group: no user role Share: Feedback for the person in charge Print this page Related links ICP Forest Manual