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Stanowisko cisa pospolitego Taxus baccata L. koło Mogilna jest aktualnie jednym z najbogatszych skupisk tego gatunku w polskiej części Karpat. Od kilkudziesięciu lat podlega ochronie rezerwatowej. W ciągu ostatnich 50 lat liczba osobników w populacji zwiększyła się prawie dwukrotnie, a sporo z nich wyrosło poza granicą rezerwatu. Badaniami objęto całość populacji, która liczy 1272 osobniki. Większość...
The study analyses the spatial distribution of European yew and its co−occurrence with other trees or different individuals of the species. The study was conducted in the ‘Cisy nad Liswartą' nature reserve (50°46'27.12"N, 18°47'11.86"E). Data was collected in the whole reserve as well as on three 40×40 m study plots. The selected plots varied in terms of yew density, stand species composition...
The aim of the study was to recognise the structure (sex, height, diameter) and vitality of European yew (Taxus baccata L.) population in the ‘Cisy nad Liswartą' reserve (50°4627,12N 18°4711,86E). The field investigations were performed in years 2005−2009. We measured diameter at breast height, diameter at root collar and height of all yews in the reserve. Sex of the individuals was determined as...
Genetic variability of yew (Taxus baccata L.) trees in seven nature reserves (Jasień, Czarne Człu− chowskie, Choczewo, Wierzchlas, Wirty, Rokita and Mogilno/Stary Sącz) in Poland was investigated by RAPD methods. The results showed high genetic differences between populations ranging from 22.7% among the population of Stary Sącz and hedge (+) to 86.1% between Wierzchlas and Rokita (+). Based on the...
Badania populacji cisa przeprowadzono w latach 2010‒2011 w Wysokiej Lelowskiej niedaleko wsi Żarki Letnisko i Przybynów. Wyznaczono 4 poletka badawcze o wymiarach 10 × 20 m. Dla każdego poletka oznaczono wszystkie gatunki roślin, sporządzono listę florystyczną oraz wykonano zdjęcie fitosocjologiczne w aspekcie wiosennym i letnim. Na tej podstawie określono zbiorowisko roślinne jako zdegradowaną postać...
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