FLUORID CONTAMINATION INDICATION IN ENVIRONMENTAL MONITORING OF THE TERRITORY
OF PERM CITY USING ACER NEGUNDO L. 

Likhachev Sergey Vasil'evich, Candidate of agricultural sciences, associate professor, sub-department of ecology, Perm State Agro-Technological University named after Academician D. N. Pryanishnikov (23 Petropavlovskaya street, Perm, Russia), E-mail: slichachev@yandex.ru
Pimenova Elena Valentinovna, Candidate of chemical sciences, associate professor, sub-department of ecology, Perm State Agro-Technological University named after Academician D. N. Pryanishnikov (23 Petropavlovskaya street, Perm, Russia), E-mail: evpimenova@mail.ru
Zhakova Svetlana Nikolaevna, Candidate of biological sciences, associate professor, sub-department of ecology, Perm State Agro-Technological University named after Academician D. N. Pryanishnikov (23 Petropavlovskaya street, Perm, Russia), E-mail: zhakova@pgsha.ru 

502.175:574.21(470.53) 

DOI

10.21685/2307-9150-2019-3-11 

Background. There is an acute problem of air pollution in Perm. In particular, phytotoxic fluoride compounds are one of the major pollutants. Acer negundo is a soil-resistant invasive plant species widely spread in Perm. However, the literature on the possible use of Acer negundo in environmental monitoring of fluoride pollution is practically absent. The purpose of this paper is to assess the possibility of usage of Acer negundo as a phytoindicator of free air pollution.
Materials and methods. Our research was conducted in territories adjacent to stationary posts of free air pollution monitoring. The research focused on Acer negundo. We estimated morphological changes of the leaves and calculated their fluctuating asymmetry coefficient. We found catalase activity, determined the content of photosynthetic pigments and fluorides in leaves throughout the vegetative period. Our findings reveal the dependence of the measures defined above from the free air pollution.
Results. Acer negundo accumulates fluoride compounds in its leaves as indicated by the background monitoring station 20 in Perm. The amount of photosynthetic pigments in the leaves, the high fluctuating asymmetry coefficient and a rather low catalase activity can all be used as fluoride pollution indicators.
Conclusions. Acer negundo is widespread in Perm and can thus be used as a convenient phytoindicator of fluoride pollution in the urbanized territories. 

Key words

bioenvironmental monitoring, fluoride pollution, Acer negundo L., the fluctuating asymmetry, vegetable pigments, activity of a catalase 

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