Zbiorowiska grzybów mikroskopijnych zasiedlających martwe drewno świerkowe w Tatrzańskim Parku Narodowym Composition of microscopic fungi associated with the spruce dead wood in the Tatra National Park
The aim of this research was to determine the composition of microscopic fungi colonizing
Norway spruce dead wood depending on the degree of decomposition of wood and the location
in the Tatra National Park (TPN; southern Poland). The work included lying and standing dead
wood of Norway spruce as well as tree stumps. The sampling plots were located in the Białka Valley
(eastern part of the TPN) where the forests are unmanaged and area is mostly under strict pro−
tection, and in the western part of the Park, in the Chochołowska Valley, where the majority of
forests is privately owned and managed (landscape protection). Samples were collected three
times in the growing season, in spring, summer and autumn 2016. The sampling plots were
located in the forests covered by different forms of protection: strict, active and landscape. The
dominant microscopic fungi inhabiting analysed Norway spruce dead wood in selected regions
of the Tatras are fungi belonging to Trichoderma genus: T. harzianum: T. polysporum, and T. hamatum.
A much greater diversity of fungi species isolated from the dead wood was found for the Białka
Valley, subjected to strict and active protection, than Chochołowska Valley, where forests are
subject of the economic utilisation. More species and colonies were obtained from lying and
older dead wood than from the stumps in the higher classes of distribution.
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