arbre (1) espèce (1) risque (1) infection (1) forêt (1) Europe (1) maladie (1) adulte (1) taux (1) densité (1) châtaignier (1) Europe (1) Borrelia burgdorferi (1) Dramatic production (1) Density (1) History (1) Communication (1) Lyme disease (1) Borrelia (1) Northern Hemisphere (1) Year (1) Work (1) Trees (1) Ticks (1) Success (1) Species (1) Siberian chipmunk (1) Risk (1) Questioning (1) Population (1)