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Wyszukujesz frazę "meadow plant" wg kryterium: Temat


Wyświetlanie 1-4 z 4
Tytuł:
Mutual relations between soil cover and plants in mountainous humid climatic conditions
Autorzy:
Wozniak, L
Powiązania:
https://bibliotekanauki.pl/articles/1450543.pdf
Data publikacji:
2001
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
mountain area
meadow
vegetation
ecosystem
chemical composition
soil cover
soil-plant relation
Bieszczady Mountains
mountain meadow
soil
climate condition
terrestrial ecosystem
plant
Opis:
Specific, humid climate of mountain areas has a great influence on the properties of soils and vegetation, as well as on the mutual relations between these inseparable elements of ecosystems. Research on the interdependence between soils and natural vegetation was carried out on ' the mountain meadows of the Bieszczady National Park. In conditions of the cooler and more humid mountain climate the peculiar character of the soils lies in the presence of organic surface horizon of properties varying considerably from the properties of deeper mineral horizons. This horizon is of great importance in the protection of scarce elements. It prevents pollutants from reaching the ecosystem. It influences the soil water economy. It prevents erosion. This buffer element of the mountain soils requires special protection - in the Bieszczady Mountains the erosion of the mountain meadow soils is only noticeable where the covering vegetation and the organic surface soil horizon were destroyed, e.g. on tourist tracks. The plants of the Bieszczady mountain meadows, together with their direct product - the organic surface soil horizon, prevents the chemical erosion of the mountain meadows, reducing the leaching of many biogenous elements, e.g. calcium.
Źródło:
Acta Agrophysica; 2001, 50; 253-261
1234-4125
Pojawia się w:
Acta Agrophysica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Causes and directions of changes of meadow-pasture vegetations of the Wielki Łęg Obrzański (WŁO)
Autorzy:
Klarzyńska, A.
Kryszak, A.
Powiązania:
https://bibliotekanauki.pl/articles/2130815.pdf
Data publikacji:
2014
Wydawca:
Uniwersytet Przyrodniczy w Poznaniu
Tematy:
plant community
meadow vegetation
pasture
vegetation
transformation
succession
Wielki Leg Obrzanski area
Opis:
The paper presents results of the studies conducted to determine causes and directions of transformations in vegetation of meadow-pasture communities in the area of the Wielki Łęg Obrzański [Great Obra Floodmeadows]. Multifaceted natural and habitat analyses were conducted on over 1800 relevés prepared in the vegetation seasons of 2005–2009 according to Braun-Blanquet. On their basis the phytosociological and floristic structure was analysed and habitat conditions were determined by phytoindication. Moreover, laboratory methods were applied in soil analyses to determine contents of basic macro- and microelements and groundwater table levels were recorded. Results referred to the documentation and archive literature made it possible to determine causes of transformations in plant communities in that area and outline probable directions in which succession was progressing. A lack of regular land use patterns is seen as the primary cause for the transformation in the flora of the Wielki Łęg Obrzański, particularly in the last 20 years. A considerable limitation of land use in certain sections of this area has led to the initiation of dominance of nitrophilic species such as Urtica dioica, Cirsium arvense, Potentilla anserina or Galium mollugo, while in the thinned sward it led to the development of grass species with very limited economic importance. Another equally important factor affecting the structure of vegetation cover is connected with air and water relations in soils, determined by the drainage system operating there for the last 200 years and by precipitation.
Źródło:
Steciana; 2014, 18, 2; 67-75
1689-653X
Pojawia się w:
Steciana
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
    Wyświetlanie 1-4 z 4

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