Release:Bulletin of Tyumen State University. Ecology (№12). 2013
About the author:Rustem A. Seydafarov, Cand. Biol. Sci., Teacher of Biology (School 7, Priyutovo), Bashkortostan Republic
Abstract:The paper deals with ecological and biological features of Tilia cordata (all classes of age) affected by petrochemical pollution of Ufa industrial centre.The study shows that Tilia cordata (Small-leaved Lime) is characterized by a «weak» state of life. Significant reduction of leaf plates and relative length of veins under the influence of pollution are observed. Stomatal index and relative water content are increased in the pollution zone. An increase of the weight and length of roots and higher percentage of skeletal and absorbing roots have also been observed. It has been found that the accumulating ability of vegetative organs does not diminish with age. A hypothetical scheme of realization of adaptive capacity is suggested in the paper. It is established that the adaptive capacity of Tilia cordata is implemented on various structuraland functional levels of the organization. Similar adaptive response is observed throughout all age classes of Tilia cordata, the adaptive capacity does not reduce with age. The interconnection of adaptive response of overground and underground vegetative organs and their role in ensuring high survival rate of this species in a long-term anthropogenic stress are shown. Ecobiological features of Tilia cordata revealed by the study can be used when creating sanitary protective green zones or renewing existing plantations in Ufa industrial centre.
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