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Wyszukujesz frazę "grass community" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Floristic composition, nature value and productivity of the community with couch grass (Agropyron repens = Elymus repens (L.) P. Beauv.)
Autorzy:
Grzelak, Mieczysław
Gaweł, Eliza
Powiązania:
https://bibliotekanauki.pl/articles/2147981.pdf
Data publikacji:
2020-09-30
Wydawca:
Instytut Uprawy Nawożenia i Gleboznawstwa – Państwowy Instytut Badawczy
Tematy:
Agropyron repens
floristic composition
biomass
grass community
Opis:
Couch grass (Agropyron repens L.) was the dominantspecies in 5 investigated communities with stability class5, while its share in the community Agropyron repens + Festucarubra was as high as 42.2%. Communities with the dominanceof Agropyron repens + Deschampsia caespitosa and Agropyronrepens + Avenula pubescens represent the greatest variety of theirconstituent species, a total of 43 vascular plant species from15 botanical families having been recorded and 7 accompanyingspeciens. Due to the advantageous floristic composition and thefodder value score FVS of 6 or even higher, most analyzed communitiesare of considerable fodder value, although the value ofthe sward is reduced by taxa of low nutritive value and of lowyielding potential. Semi-heliophilous plant species are dominantin that community, occupying partially dry, fresh and even moisthabitats indicating acid soils with a high content of nitrogen compounds(N = 6.6). In Polish literature there is no synthetic study ofa community with the dominance of true wheat grass Agropyronrepens (L.) P.Beauv. that would focus on floristic composition,yield as well as natural and production value.
Źródło:
Polish Journal of Agronomy; 2019, 38; 26-30
2081-2787
Pojawia się w:
Polish Journal of Agronomy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Diversity of Vegetation Dominated by Selected Grass Species on Coal-Mine Spoil Heaps in Terms of Reclamation of Post-Industrial Areas
Autorzy:
Błońska, Agnieszka
Kompała-Bąba, Agnieszka
Sierka, Edyta
Bierza, Wojciech
Magurno, Franco
Besenyei, Lynn
Ryś, Karolina
Woźniak, Gabriela
Powiązania:
https://bibliotekanauki.pl/articles/124434.pdf
Data publikacji:
2019
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
grass species
dominants
diversity
biomass
coal-mine spoil heaps
plant community
reclamation
Opis:
Grasses have a considerable potential for the adaptation to various, often extreme, habitat conditions. The aim of the work was to present the vegetation diversity of the coal-mine spoil heaps with the dominant share of grasses and to identify the main factors responsible for this diversity in the aspect of post-industrial land reclamation. The communities differ in reference to the species preferences to light, moisture, soil fertility and reaction, which is reflected in the wide variety of microhabitats in the area. It was shown that the increase in the abundance of certain grass species, including Calamagrostis epigejos, Festuca rubra, Festuca arundinacea, Phragmites australis, has a significant negative impact on the species richness, species diversity and the uniformity of distribution of species of the plant community. Preliminary analyses revealed that on post-mining waste, the biomass production of the dominant species is negatively correlated with biodiversity. The knowledge about the biology and ecology of grass species, as well as on the assembly rules may be used in the reclamation of degraded areas. Gaining the knowledge about the vegetation diversity of the coal-mine spoil heaps with the dominant share of grasses can be useful in planning the reclamation works, taking into account natural processes, which leads to the creation of a permanent vegetation cover at a given site, protecting it against water or wind erosion. In the future these areas may provide a number of important ecosystem services.
Źródło:
Journal of Ecological Engineering; 2019, 20, 2; 209-217
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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