d_survey_type_gv

CODE DESCRIPTION FROM_YEAR TO_YEAR
1 CSA (Common Sample Area), 400m² 1984  
2 SSA (Standardized Sampling Area) (each 100m²) 1984  
3 Addional Species List of CSA (2100m²) 1984  
4 Other (e.g. for population studies) 1984