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Wyświetlanie 1-5 z 5
Tytuł:
Floristic diversity of the „Laki w Komborni” Natura 2000 site PLH180042 (Western Carpathians)
Autorzy:
Ziaja, M.
Wojcik, T.
Powiązania:
https://bibliotekanauki.pl/articles/790635.pdf
Data publikacji:
2017
Wydawca:
Uniwersytet Przyrodniczy w Poznaniu
Tematy:
floristic diversity
Laki w Komborni area
Western Carpathians Mountains
Natura 2000 area
meadow
vascular plant
Polska
Opis:
The vascular flora in the “Łąki w Komborni” Natura 2000 site comprises 219 species representing 44 families and 147 genera. Species from the families Asteraceae, Poaceae, Lamiaceae, Fabaceae, Rosaceae, Polygonaceae, Cyperaceae, Apiaceae, and Ranunculaceae were found to dominate. A geographical and historical analysis of species confirmed the clear dominance of apophytes (84%) over anthropophytes (16%) as well as perennials (69%) over short-lived (23%) species. The biological spectrum was dominated by hemicryptophytes (54%) and therophytes (19%), compared with other life forms. In terms of synecology, the flora was mainly represented by species from the classes Molinio-Arrhenatheretea, Stellarietea mediae, Artemisietea vulgaris and Phragmitetea. The “Łąki w Komborni” site is a habitat for 82 (37%) medicinal species and 155 (70%) forage species for bees. Noteworthy is the occurrence of protected species, e.g. Gladiolus imbricatus, Trollius europaeus, Centhaurium erythraea, Dactylorhiza majalis, Platanthera bifolia and Primula elatior.
Źródło:
Steciana; 2017, 21, 2
1689-653X
Pojawia się w:
Steciana
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The effect of dominant species on numbers and age structure of Iris sibirica L. population on blue moor-grass meadow in Southern Poland
Autorzy:
Kostrakiewicz, K
Powiązania:
https://bibliotekanauki.pl/articles/57143.pdf
Data publikacji:
2007
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
generative reproduction
Iris sibirica
clonal plant
vegetative reproduction
Polska
dominant species
age structure
population
blue moor-grass meadow
seedling recruitment
plant ecology
Opis:
Two populations of Iris sibirica, a clonal species protected by law in Poland, occurring in patches of Molinietum caeruleae, of similar floristic composition although with different dominant species, were studied. In the Stanisławice locality, species with a high competitive potential prevailed, contrary to the Opatkowice locality, where the species of low competitive potential dominated. It was established that vegetative propagation ensures the continued presence of populations in both localities, although the proximity of plants with high competitive potential limits the vegetative propagation of ramet clusters of Iris sibirica. Despite the high level of seed production, the recruitment of seedlings in both patches is possible only in artificially created gaps. The field observations support the conclusion that creating gaps allowing for germination of seeds and development of seedlings, as well as eliminating expansive neighbours allowing proliferation of ramet clusters of Iris sibirica, is an affective way of protecting populations of this species.
Źródło:
Acta Societatis Botanicorum Poloniae; 2007, 76, 2
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Vegetation of the 'Uroczysko Jary' Nature Reserve near Zlotow
Roslinnosc Rezerwatu Przyrody 'Uroczysko Jary' kolo Zlotowa
Autorzy:
Gorski, P.
Janyszek, S.
Powiązania:
https://bibliotekanauki.pl/articles/878426.pdf
Data publikacji:
2005
Wydawca:
Uniwersytet Przyrodniczy w Poznaniu
Tematy:
forest ecosystem
rush
geobotany
Polska
meadow
plant community
botany
Uroczysko Jary Nature Reserve
vegetation
marsh
Wielkopolska region
peat bog
Źródło:
Roczniki Akademii Rolniczej w Poznaniu. Botanika-Steciana; 2005, 08
1896-1908
Pojawia się w:
Roczniki Akademii Rolniczej w Poznaniu. Botanika-Steciana
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Vegetation of oat-grass meadows in Central Poland
Autorzy:
Kucharski, L.
Powiązania:
https://bibliotekanauki.pl/articles/790688.pdf
Data publikacji:
2014
Wydawca:
Uniwersytet Przyrodniczy w Poznaniu
Tematy:
vegetation
oat-grass meadow
meadow
Arrhenatherum elatius
phytocoenosis
plant community
Arrhenatheretum elatioris
semi-natural habitat
Tanaceto-Arrhenatheretum elatioris alliance
ruderal habitat
Pastinaca sativa
Knautia arvensis
Tragopogon pratensis
Central Poland
Nature 2000 network
Polska
Opis:
Communities of hay meadows with Arrhenatherum elatius form phytocenoses of at least two plant communities: Arrhenatheretum elatioris – semi-natural habitats, and Tanaceto-Arrhenatheretum elatioris – ruderal habitats. The communities of tall oat-grass include approximately 150 species of vascular plants. In central Poland Tanaceto-Arrhenatheretum is the main habitat for many species characteristic of the Arrhenatherion alliance, including: Pastinaca sativa, Knautia arvensis, Tragopogon pratensis. Hay meadows are vulnerable (VU) components of vegetation of the characterized region. There is a need to verify syntaxonomic units within the Arrhenatherion alliance and phytosociological identifiers of Natura 2000 habitats – extensively used hay lowland meadows (6510).
Źródło:
Steciana; 2014, 18, 3
1689-653X
Pojawia się w:
Steciana
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Variation in size-dependent fitness components in a terrestrial orchid, Dactylorhiza majalis (Rchb.) Hunt et Summerh., in relation to environmental factors
Autorzy:
Mroz, L.
Kosiba, P.
Powiązania:
https://bibliotekanauki.pl/articles/57438.pdf
Data publikacji:
2011
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
variation
size-dependent fitness component
terrestrial orchid
orchid
Dactylorhiza majalis
environmental factor
European orchid
total leaf area
plant size
flowering probability
flower production
threshold size
plant reproduction
leaf area
meadow site
Polska
soil nutrient
plant population
Opis:
We investigated the flowering probability and flower production in relation to plant size in a terrestrial orchid, Dactylorhiza majalis at 10 meadow sites in central and southwestern Poland. These sites differed in altitude (low, high) and management (presence or absence of mowing). At all sites, concentrations of nutrients in the soil were also measured. The probability of flowering increased significantly with the size of the plant in all populations, indicating that individuals do not flower until they reach a threshold size. Populations at high altitudes and the unmown sites had significantly lower threshold sizes for reproduction and showed sharp increase in flowering probability with plant size, compared to other populations. The threshold sizes for reproduction tended to decrease at sites rich in N and Mg and poor in P and S. Flower production was also size-dependent in all populations. Considerable between-site differences were found in the slope and the intercept of the regression between plant size and flower production. Flower production at some sites, at high altitudes, increased more steeply with plant size than at other sites. However, no pattern in size-dependent flower production was found relative to the measured environmental variables. Most of the size-dependent components of flowering probability were related to each other but not with the size-dependent flower production.
Źródło:
Acta Societatis Botanicorum Poloniae; 2011, 80, 2
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-5 z 5

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