methods_used Valid None Data Dictionary Vocabularies Eionet Data Dictionary Absent data Valid Data Dictionary Vocabularies Eionet Data Dictionary methods_used Estimate based on expert opinion with no or minimal sampling Valid Data Dictionary Vocabularies Eionet Data Dictionary methods_used Estimate based on partial data with some extrapolation and/or modelling Valid Data Dictionary Vocabularies Eionet Data Dictionary methods_used Complete survey/Complete survey or a statistically robust estimate Valid Data Dictionary Vocabularies Eionet Data Dictionary methods_used