côte (2) Afrique (2) South Africa (2) Limpets (2) enquête (1) pierre (1) coquillage (1) baie (1) échantillonnage (1) recherche (1) besoin (1) histoire (1) récolte (1) distribution (1) dommage (1) ordre (1) profession (1) History (1) Composition (1) Parts (1) Article (1) Observations (1) Parts (1) Observations (1) Views (1) Stone (1) Shells (1) Shellfish (1) Sampling (1) Research (1)