Fungi in Living and Dead Stems and Stumps of Pinus mugo on Coastal Dunes of the Baltic Sea
Lygis, V., Institute of Botany of Nature Research Centre, Vilnius (Lithuania). Lab. of Phytopathogenic Microorganisms | Vasiliauskaite, I., Aleksandras Stulginskis University, Kaunas (Lithuania). Agronomy Faculty | Matelis, A., Institute of Botany of Nature Research Centre, Vilnius (Lithuania). Lab. of Phytopathogenic Microorganisms | Pliura, A., Lithuanian Research Centre for Agriculture and Forestry, Kaunas (Lithuania). Forest Genetics and Tree Breeding Dept. | Vasaitis, R., Swedish University of Agricultural Sciences, Uppsala (Sweden). Dept. of Forest Mycology and Pathology
Communities of xylotrophic fungi were studied in wood of Pinus mugo of different qualities: (i) living stems, (ii) cut stumps, (iii) burned snags, (iv) cut burned stumps, (v) stems recently killed by root rot, and (vi) old snags of root rot-killed trees. A total of 277 isolates representing 58 fungal taxa were obtained from 300 wood samples (50 samples per each substrate category). Results of the present study suggested that following different disturbances (tree felling, forest fire or root rot), fungal communities likely evolve in different directions: depending on its origin (cut, burned or killed by the disease), dead wood might be inhabited by principally different microbial assemblages, and that fire has less effect on community structures than tree felling or root rot.
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