Fig. 7From: Two decades of epidemiological surveillance of the pine wood nematode in France reveal its absence despite suitable conditions for its establishmentSurface area (in km2) of PWN-susceptible host trees in each administrative region of metropolitan France (Source IGN – BD Forêt, 2nd version, available on https://inventaire-forestier.ign.fr/spip.php?article646)Back to article page