An important property of green spaces is the ability to capture dust particles from the atmosphere, thereby reducing its pollution. The main organs adsorbing dust are leaves, therefore, in this work, the dust-retaining capacity of woody plants was determined by leaves. These studies are relevant for the selection of an assortment of woody plants with increased dust-holding capacity for urban areas. The research work presents data on the dust-holding ability of the leaves of the following plant species of the industrial area of Cherepovets: Betula pendula, Crataegus sp., Quercus robur, Acer platanoides, Acer negundo, Tilia platyphyllos, Sorbus aucuparia, Malus sp., Cornus alba. To determine the amount of dust deposited by plant leaves, in the summer of 2022, leaf plates similar in morphology and age were collected in the industrial area of Cherepovets. According to the results of the study, the leaf surface has the highest dust-holding capacity of Betula pendula – 6.16 g/m2, the leaf surface of Sorbus aucuparia has the lowest dust-holding capacity is 0.87 g/m2.
Accumulation of Cu and Pb by Alisma plantago-aquatica L. plants under laboratory conditions on separate solutions (3 MPC) and changes in the content of heavy metals (HM) when placed on distilled water (control) were studied. The phytoremediation potential of Alisma plantago-aquatica, taken from different stations, is assessed: from conditionally clean habitat located in the middle course of Yagorba river (Cherepovets region) and from conditionally polluted habitat located on the bank of Serovka river within Cherepovets city. It is established that irrespective of what stations are taken plants of Alisma plantago-aquatica, they actively accumulate heavy metals, but plants from conditionally clean habitat accumulate more. More effective in the purification of water from heavy metals is Alisma plantago-aquatica from conditionally clean habitat. Alisma plantago-aquatica specimens from different areas are capable of excretion of Cu and Pb ions, the leaves being the most important in this. Alisma has a good phytoremediation potential and is suitable for inclusion in the composition of bioplato to clean the water of small rivers from Cu and Pb.
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