For the first time, a study of ecophysiological features introduced Larix sibirica (middle-aged plantations old 40-50 years) was carried out at tree nursery and railway stations in four cities Kola Subarctic. Content photosynthetic pigments (per fresh weight) ranged 1185 – 1894 μg·g-1 (chlorophyll a), 377 666 b), 256 387 (carotenoids). Exception found for specimens from Murmansk (significantly ...