10.24411/1728-323X-2019-11006

Ecology

SPECIFIC AND PHYTOCENOTIC PECULIARITIES OF THE PIGMENT STRUCTURE OF THE PLANTS OF THE NORTH

1. E. I. Golubeva, Ph. D. (Biology), Dr. Habil., Professor, Lomonosov Moscow State University, This email address is being protected from spambots. You need JavaScript enabled to view it.,
2. Moscow, Russia,
3. A. A. Chervyakova, engineer, Ametist Design Bureau, This email address is being protected from spambots. You need JavaScript enabled to view it., Moscow, Russia,
4. N. Y. Shmakova, Ph. D. (Biology), Dr. Habil., Chief Research Officer of the Plant Physiology Sector of the Polar-Alpine Botanical Garden-Institute named after N. A. Avrorina, Kola Scientific Center of the Russian Academy of Sciences, This email address is being protected from spambots. You need JavaScript enabled to view it.,
5. M. V. Zimin, Ph. D. (Geography), Senior Research Officer, Laboratory of Aerospace Methods, Lomonosov Moscow State University, This email address is being protected from spambots. You need JavaScript enabled to view it., Moscow, Russia,
6. Y. I. Timokhina, Ph. D. student, Lomonosov Moscow State University, This email address is being protected from spambots. You need JavaScript enabled to view it., Moscow, Russia

The article is devoted to the approaches for the identification and assessment of the natural and anthropogenic factors impact on the changes in the pigment composition of the plants leaves, which reflects biochemical processes. In various plant species, a certain amount of chlorophyll a and b and carotenoids is observed and their ratio varies both in the process of growth and phenological state, and depending on the growing conditions. As a result of the research, specific features of the pigment composition of the North most common plants and their response to the growing conditions were identified. For the study, we selected winding birch (Betula tortuasa), fluffy birch (Betula pubescens Ehrh SL), Siberian spruce (Picea obovata), wild rosemary (Ledum palustre), lingonberry (Vaccinium vitis-idaea), dwarf birch (Betula nana), bilberry (Vaccinium myrtillus) and others, growing in the central part of the Kola Peninsula. For the listed species, the content and ratio of pigments were identified and the effect of plant habitat conditions, phenological condition, age, shade conditions and location of tree crown leaves (needles) was shown. The pigment composition serves as an indicator of habitat and plant adaptabilityof changing hydrothermal conditions.

pigments, chlorophyll, carotenoids, northern ecosystems, natural and anthropogenic factors, plant photosynthetic apparatus.

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