Abstract
A study is made on the sedimentation of pollen particles of the anemophilous plants of six species (Salix caprea L., Salix pentandra L., Betula davurica Pall., Plantago media L., Chenopodium album L.,Artemisia sieversiana Willd.), growing in the CSBG SB RAS. These species are widely represented in the biocenosis of the Russian Federation and are the producers of substantial amounts of allergenic pollen which can be carried by winds over great territories. It is shown that there is a considerable number of clusters that contain two and more pollen grains. Sedimentation rates are determined of both the individual pollen grains of these plants and their clusters with 2-6 pollen grains. It has been established that the sedimentation rate of clusters depends on the number of the pollen grains contained.
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