Szukana fraza: [Abstract = Studies were made of the influence of the mining industry on the floristic composition, vertical and horizontal structure, and the stand\?s health condition, of the alder carr Ribeso nigri\-Alnetum Sol.\-Górn. \(1975\) 1987 community, in the nature\-landscape complex \"Uroczysko Buczyna\" in Chorzów, Upper Silesia. A single\-layered stand, of an average canopy cover reaching 65%, allows for the abundant natural regeneration of black alder.]

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