Fig. 1From: Coastal and interior Douglas-fir provenances differ in growth performance and response to drought episodes at adult ageLocation of the provenances in the Douglas-fir natural area (a) and location of the trials in France (b). Colours indicate different geographical origins: black for Californian and Oregon coastal provenances, grey for south interior provenances, white for northern provenances from British ColumbiaBack to article page