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    Wyświetlanie 1-8 z 8
    Tytuł:
    Chorology of Juniperus thurifera (Cupressaceae) in Morocco
    Autorzy:
    Romo, A
    Boratynski, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/41020.pdf
    Data publikacji:
    2005
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    Morocco
    plant geography
    plant ecology
    Juniperus thurifera ssp.africana
    geographic distribution
    occurrence condition
    wood exploitation
    Opis:
    The geographic distribution and occurrence conditions of Juniperus thurifera subsp. africana in Morocco were studied. The literature and herbaria data, together with field observations formed the basis of detailed maps of distribution of the species in the Middle and High Atlas and allow us to analyze its vertical distribution. The taxon occurs in the sub-arid and arid zones of the Middle and High Atlas with a separate population in the Anti-Atlas, mostly between altitudes 2000 and 2700 m, with an altitudinal maximum at 3400 m and a minimum at 1700 m. It forms forests in the area of about 30 000 ha. In many places of the High Atlas it is the only wood source for local populations. It is strongly endangered because of over exploitation of the wood, over pasturing and lack of seedlings and young specimens.
    Źródło:
    Dendrobiology; 2005, 54; 41-50
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Loiseleuria procumbens (Ericaceae) in the Ukrainian Carpathians
    Autorzy:
    Boratynski, A
    Didukh, Y.P.
    Powiązania:
    https://bibliotekanauki.pl/articles/41716.pdf
    Data publikacji:
    2002
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    ecology
    Ukraine
    phytocoenology
    alpine azalea
    plant protection
    Loiseleuria procumbens
    Carpathians Mountains
    chorology
    plant geography
    Ericaceae
    Opis:
    Distribution of Loiseleuria procumbens (L.) Desv. in the Eastern Carpathians of Ukraine is presented on the basis of herbaria, literature and the authors' field studies. Site conditions of species occurrence and its phytocoenotic properties are described. The needs' of protection of L. procumbens and its plant communities are discussed.
    Źródło:
    Dendrobiology; 2002, 47
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Trees and shrubs of the Polish part of the Eastern Sudety Mts.
    Autorzy:
    Kosinski, P
    Bednorz, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/41655.pdf
    Data publikacji:
    2003
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    Silesian region
    dendrology
    Polska
    biodiversity
    tree
    flora
    chorology
    spatial differentiation
    Sudetes Mountains
    shrub
    Opis:
    Trees and shrubs of the Polish part of the Eastern Sudety Mts. The contemporary woody flora of the Polish part of the Eastern Sudety Mts. is comprised of 217 taxa of trees and shrubs, including 153 native and 64 alien species (together with 24 and 5interspecific hybrids respectively). Among them, 31 native species and 48 anthropophytes were recorded for the first time and 5brambles were new for the flora of Poland. 25% of native species were found on many new localities. Only 4 taxa recorded in the literature were not found (Juniperus communis subsp. alpina, Rosa inodora, Rubus bifrons and Sorbus aucuparia subsp. glabrata).
    Źródło:
    Dendrobiology; 2003, 49
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Chorological and synanthropodynamical analysis of trees and shrubs of the Stołowe Mts. (Middle Sudety)
    Autorzy:
    Swierkosz, K
    Boratynski, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/41383.pdf
    Data publikacji:
    2002
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    Silesian region
    Stolowe Mountains
    biodiversity
    plant protection
    tree
    flora
    chorology
    shrub
    Opis:
    The 153 taxa of trees and shrubs were reported from the Stołowe Mts. Two species (Betula nana and Erica tetralix) were reported probably by mistake,and 7 are now extinct (Arctostaphylos uva-ursi, Chamaecytisus ratisbonensis, Genista pilosa, Lembotropis nigricans, Rosa agrestis, Salix lapponum, Salix myrtilloides). The other 144 taxa of trees and shrubs were found in the natural and semi-natural site conditions. The 110 native taxa and 34 anthropophytes are forming the contemporary woody flora. The 44 native taxa belong to various local red data book categories (including extinct),the 63 are not endangered and next 10 are apophytes. A few altitudinal groups of species can be distinguished,which are characterized with specific reaction to the growth of the altitude of localities. The distinct limit in the altitudinal ranges of the woody species occur at elevation of 580-600 m. This altitude was considered as the limit between submontane and montane belts in the Stołowe mountains.
    Źródło:
    Dendrobiology; 2002, 48
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Sorbus domestica L. at its northern Pannonian distribution limits: distribution of individuals, fruit shapes and dendrometric characteristics
    Autorzy:
    Špíšek, Z.
    Uherková, A.
    Svitok, M.
    Vašut, R.J.
    Powiązania:
    https://bibliotekanauki.pl/articles/2078287.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    chorology
    archaeophyte
    fruit shape
    dendrometric data
    Opis:
    Fruit species play an important role in human nutrition. For this reason, they have been culti- vated for millennia. Their cultivation and domestication have impacted species distribution considerably. Wild relatives of such species are often rare in Europe and are threatened by loss of habitat and landscape fragmentation. Knowledge of the distribution and biological characteristics of populations is crucial for further species conservation. We investigated the detailed distribution of the service tree (Sorbus domestica L.) in the White Carpathians, which represents the largest occurrence of the species at its northern distri- bution limit in Central Europe. We recorded 473 individuals in the studied region, compared their habitats, fruit type, dendrometric characteristics and the climate conditions at the sites. Our data suggest that the occurrence of the species is most likely of human origin and that the vast majority of trees grow in orchards, vineyards or on open landscape (72.7%). The comparison of fruit types has not revealed a strong pattern, although fruit types have apparently been selected by growers. Although most documented trees probably have an anthropogenic origin, they represent an important element in the landscape of Central Europe that requires protection.
    Źródło:
    Dendrobiology; 2018, 80; 37-47
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Rubus occidentalis (Rosaceae) - a new naturalized raspberry species in the Polish flora
    Autorzy:
    Kosinski, P.
    Czarna, A.
    Malinski, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/41206.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    Rubus occidentalis
    Rosaceae
    black raspberry
    introduced species
    chorology
    geographic distribution
    raspberry
    plant species
    Polish flora
    flora
    Opis:
    Rubus occidentalis L., native to eastern North America, is recorded for the first time as naturalized in Poland. Its spontaneous occurrence in Europe has hitherto been mentioned only from several stands in the Czech Republic and from single localities in Slovakia and Russia. The increasing popularity of black raspberry cultivation and its ability to survive under different environmental conditions suggest that the number of instances of its appearances in semi-natural habitats will grow over time. At the moment, R.occidentalis can be considered as a locally established, non-invasive neophyte.
    Źródło:
    Dendrobiology; 2014, 71
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Pinus mugo Turra (Pinaceae) in the Ukrainian Carpathians
    Autorzy:
    Tsaryk, I
    Didukh, Y.P.
    Tasenkevich, L.
    Waldon, B.
    Boratynski, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/41214.pdf
    Data publikacji:
    2006
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    Carpathians Mountains
    Ukraine
    chorology
    plant geography
    mountain
    plant-exposure interaction
    plant elevation interaction
    Pinus mugo
    Pinaceae
    Pinetum mugo association
    Opis:
    Pinus mugo occurs only in the highest mountain chains of the Ukrainian East Carpathians. The largest part of the species area covers the Chornokhora ridge and the highest ridges of the Gorgany. In the other mountains of Ukraine it does not form thicket on so large terrains. Vertically, most of localities are placed at an elevation between 1400 and 1900 m, with maximum at 2010 m in the Chornokhora and with minimum about 700–800 m. The latter stands were reported from the peat bogs, however, the most of them have been destroyed and do not exist now. The dwarf mountain pine forms the community of Pinetum mugo, formed exclusively on the substrata not containing calcium dioxide. The species is connected with northern exposures. The area of distribution of Pinus mugo has been strongly reduced during centuries and association Pinetum mugo transformed into pastures.
    Źródło:
    Dendrobiology; 2006, 55; 39-49
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Chorological and conservation status of the endemic cypress, Cupressus atlantica Gaussen, in the High Atlas (Morocco)
    Autorzy:
    Sekiewicz, K.
    Sekiewicz, M.
    Romo, A.
    Didukh, Y.
    Fennane, M.
    Boratynski, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/41144.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    chorology
    conservation status
    endemic plant
    cypress
    Cupressus atlantica
    Cupressaceae
    forest ecosystem
    degraded ecosystem
    High Atlas Mountains
    plant conservation
    plant geography
    Morocco
    Opis:
    We present a study of the distribution, ecology and conservation status of Cupressus atlantica, an endemic tree of the High Atlas (Morocco). The main populations of this species grow in a reduced area along the N’Fiss valley in the Central High Atlas and are gradually receding. Particular populations are increasingly fragmented and the total area covered by the cypress woodland has decreased to less than a third of the surface occupied in the 1930s. Overgrazing reduces the woodlands’ regenerative capacity, and the exploitation of the wood, linked to traditional uses by the rural society of the N’Fiss valley, directly reduces the number of trees. Great efforts being made to protect the species by the Haut Commissariat aux Eaux et Forêts are having some effect in recent years.
    Źródło:
    Dendrobiology; 2014, 71
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-8 z 8

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