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In years 1969 and 1980-91 geobotanical research was carried out on the area of 200 ha of permanent grasslands situated in the Gopło-Warta Canal depression in the zone of the strongest contamination with industrial gases from the neighbouring aluminium works. The total of 150 phytosociological records were taken with the use of the Braun-Blanquet method. Furthemore, chemical soil and plant analyses...
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