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Black cherry is an important invasive species in forest ecosystems in Poland. It developed mainly in Scots pine stands. The aim of the study was to identify microscopic fungi colonies inhabiting black cherry stumps. In the spring of 2017, wood samples were collected from stumps created after cutting in each subsequent month of 2016 in the Podanin Forest District (19°28′00″E, 52°04′00″N). Stumps up...
Pathogenic oomycetes represented mainly by the species of Phytophthora genus are among the most dangerous plant pathogens. They pose a serious threat for agricultural as well as wild plants, and are involved in forest decline worldwide. Over 140 pathogenic Phytophthora species have been identified so far. The common infection symptoms include rotting of below− and aboveground parts of plants, causing...
Closely related Pinus species, mountain pine (Pinus mugo Turra) and Scots pine (Pinus sylvestris L.), belong to native woody species in the Tatra National Park (TPN, southern Poland). Their occurrence in close proximity can lead to the formation of natural hybrids known as Pinus × rhaetica, which is a woody, often polycormic form. Pinus×rhaetica is described in the TPN, but there has been a great...
The plant material was collected on 34 individuals growing in the Dendrological Garden of Poznań University of Life Sciences (52°25'32,95" N 16°53'39,83" E) and Botanical Garden of Adam Mickiewicz University in Poznań (52°25'11,70" N 16°52'55,07" E). The species for this study originated from Europe, Asia Minor, central and eastern Asia and North America and included: Abies alba,...
The effects of tree genotype on below−ground ectomycorrhizal fungal communities of 40 years old European larch from Kowary, Bliżyn, Świętokrzyski National Park and Szczytna Śląska origins was investigated. The research was carried out in the provenance trial in the Experimental Forestry Unit in Krynica Zdrój (Beskid Sądecki Mountains, S Poland). Ectomycorrhizal fungal communities were assessed by...
W artykule podjęto temat związany z próbą identyfikacji istniejących zagrożeń występujących na obszarach wiejskich. Termin „obszary wiejskie" przyjmuje różne definicje. Dla celów artykułu wzięto pod uwagę tę, która wskazuje, iż są to obszary poza granicami administracyjnymi miast. W artykule wykorzystano metodę analizy piśmiennictwa oraz indywidualnych wywiadów pogłębionych, które pomogły zidentyfikować...
The present work makes an attempt to recognize the kind of logrolling means used while logging on the basis of range of disturbances of the top soil layer. The investigation covered horse skidding and skidding made with the MultiFKS hoisting winch. Graphical analysis of the diagrams representing disturbances characteristics of the top soil layer (surface and volume) allows one to perform correct recognition...
Na podstawie badań własnych przeprowadzonych w latach 2000-2007 na terenie Lasów Pilskich (RDLP Piła) i danych literaturowych przedyskutowano problemy identyfikacji siedlisk Natura 2000 – zbiorników ramienicowych (3140) i dystroficznych (3160). Zwrócono uwagę na szeroki aspekt występowania ramienic oraz kryterium florystyczne, będące podstawą identyfikacji siedlisk 3140. W przypadku zbiorników dystroficznych...
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