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Succession of woody species on bogs is a process limited by high groundwater table. In the case of drainage, this limiting factor becomes suppressed and succession may accelerate. The aim of the study was to assess the development of tree stands on a raised bog influenced by drainage and wild fire and to assess the dynamics of woody species encroachment. The study was conducted in the ‘Brzozowe Bagno...
Invasive tree species are one of the most important threats to the riparian ecosystems. We aimed to check (1) whether invasive tree species have wider annual radial increments than native species and (2) which climatic factors (describing annual variability of air temperature and precipitations) influence radial growth of the investigated species. The study was conducted in the Warta river valley...
Alien tree species, due to their longevity, manifest their invasive potential after several decades from introduction. For the high threat to biodiversity, there is a need to analyze the risk of introduction connected with numerous alien tree species introduced in the various forest ecosystems. We aimed to assess the productivity potential and effect of alien Carya ovata on understory vegetation....
This work presents a list of localities for the following species: Anomodon attenuatus, A. viticulosus, Dicranum viride, Gymnomitrion alpinum, Hedwigia ciliata, Homalia trichomanoides, Lophoziopsis longidens, Obtusifolium obtusum, Odontoschisma elongatum, Orthodicranum tauricum, Porella platyphylla, and Syntrichia papillosa.
Biological invasions are one of the most important problems of nature conservation, which affect several branches of forestry and game management. In case of recent invasions, there is a problem with assessment of invasion intensity due to insufficient quantity of data. In Poland, eight of 31 game species are alien and three small predators are serious threat to biological diversity. The most recent...
The observation of the rapid rate of plant cover transformation caused by urbanization and agricultural technology was the inspiration for undertaking the study in rural areas. The study was carried out in the Sandomierz Basin in four typical villages with varying degrees of the anthropogenic impact. The changes observed included: Koszyce Małe – evident transformation of fields and meadows into building...
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