Assessing land degradation can be complex since more than one type of degradation
may occur in any one place. Tools, techniques and methods used in assessing one type
of degradation may not be appropriate for another type. New tools and techniques have
become available for obtaining accurate data and increasing their quality. However, it is
essential to maintain metadata for which standardized formats are available, and to be
critical in selecting the method or technique suitable and applicable to local conditions.
In some cases adaptations may also be necessary. Besides quality data and suitable tools
and techniques, qualified personnel in an efficient organization are needed to carry out
the work.