Ukraine
In Situ Observations
Parameter: Digital Hemispheric Photographs Data Collection Protocol: Images were acquired with a NIKON D70 camera, hemispherical images acquired during the field campaign are processed with the CAN-EYE software (http://www.avignon.inra.fr/can_eye) to derive LAI, FAPAR and FCOVER
Frequency: Parameter: crop height Data Collection Protocol: Frequency: about two times for each crop per year. Parameter: Crop Type Data Collection Protocol: along the road field survey and stratified area frame sampling survey (segment survey).
Frequency: once a year (in June-July when all crops are still present).