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Wyszukujesz frazę "soil richness" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Species richness and diversity related to anthropogenic soil disturbance in abandoned meadows in the Bieszczady Mts. [Eastern Carpathians]
Autorzy:
Korzeniak, J
Powiązania:
https://bibliotekanauki.pl/articles/59114.pdf
Data publikacji:
2005
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
anthropogenic effect
mountain meadow
meadow
Carpathians Mountains
species richness
Eastern Carpathians International Biosphere Reserve
floristic richness
soil nutrient
Opis:
The study was focused on soil factors influencing species richness and diversity after disturbance of the substrate followed by abandonment. Two types of disturbances in the past were considered: the removal of trees and shrubs with the resulting major destruction of soils, and deep ploughing. As a control meadows not covered by any management schemes for 50 years were studied. The topsoil stripping resulted in decrease of potassium, nitrogen and organic carbon contents, while deep ploughing caused less radical effects. Simultaneously, disturbances of the soil delayed the course of succession, and brought increase in species. The most species-rich are ploughed meadows. No differences in terms of species diversity, domination and evenness between the forms of disturbances were identified. However, there were groups of species indicative for soil disturbances. Analysis of the relationships between vegetation differentiation and the properties of soil suggests that available phosphorus may affect species richness and diversity in mountain meadows.
Źródło:
Acta Societatis Botanicorum Poloniae; 2005, 74, 1
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Interior of saxicolous lichens on diferent types of rocks as a habitat for microfungal communities in Upper Galilee, Israel
Autorzy:
Grishkan, I.
Temina, M.
Powiązania:
https://bibliotekanauki.pl/articles/2196362.pdf
Data publikacji:
2019-06-27
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
saxicolous lichen
fungi
fungal diversity
basaltic rock
soil microfungi
phylloplane fungi
species richness
Opis:
We examined the diversity and composition of fungi from the interior of saxicolous (rock inhabiting) lichens covering basaltic and chalk rocks at the Alma–Har-BenZimra area of Upper Galilee, Israel. We also compared the composition of lichen-associated and soil microfungal communities inhabiting the two contrasting soil types in the area to trace possible sources of formation of endolichenic fungal assemblages. In the course of the study, 39 fungal species were isolated from the interior of 13 lichen species. Species richness of the endolichenic fungal communities was associated, to some extent, with the growth form of lichens, being higher in those lichens with thick, warted, and wrinkled thalli. Species composition of the communities was characterized by the dominance of melanin-containing microfungi with large, multicellular, and thick-walled spores that significantly increased in abundance in the summer. Dominant species were also known as endophytes and phylloplane-inhabiting fungi; at the same time, typical soil-borne species were extremely rare components of the isolated endolichenic communities. Some endolichenic melanized microfungi were comprised by coprophilous species prevailing in some lichen thalli; this observation was probably due to a long period of use of the studied area for cattle grazing. Protective morphological features are important for fungi inhabiting the interior of lichen thalli characterized by limited nutrient sources, low-water availability, and restricted aeration. In addition, endolichenic fungi should resist the activity of various extracellular secondary metabolites produced by their host lichen species.
Źródło:
Acta Mycologica; 2019, 54, 1; 1123
0001-625X
2353-074X
Pojawia się w:
Acta Mycologica
Dostawca treści:
Biblioteka Nauki
Artykuł
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