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Table 1 Number of informants, localities visited and geographical features of each area

From: Traditional knowledge of wild edible plants used in the northwest of the Iberian Peninsula (Spain and Portugal): a comparative study

Survey sites Informants Localities Surface (Km2) Population
Campoo 107 42 1012 23000
Caurel 39 19 100 1200
Picos de Europa 131 67 1920 19900
Piloña 94 51 283 8600
Montesinho 90 30 734 7427
Sanabria 44 20 2120 15000