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Wyszukujesz frazę "forest property" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Las - fotosfera życia w atmosferze Ziemi
Forest - the photosphere of life in the Earths atmosphere
Autorzy:
Wodzicki, T.J.
Powiązania:
https://bibliotekanauki.pl/articles/2142635.pdf
Data publikacji:
2020
Wydawca:
Instytut Badawczy Leśnictwa
Tematy:
forest
emergent property
life property
evolution
emergentna właściwość lasu
ewolucja właściwości życia
Opis:
the evolution of the vertical, long distance water transport, overcoming gravitation, by trees during the devonian, initiated the emerging of forest ecosystems extending the photosphere of life further into the earth’s atmosphere. the origin of woody tissues is likely associated with genome mutations in primitive green plants, which inhabited the land about 350 million years ago. Most probably, only two mutations were required – one allowing the synthesis of lignin and the second, enabling the autolysis of protoplast in the maturing cellular woody elements. developing forest ecosystems formed the most productive environments, in which sunlight-dependent metabolic processes of life reached further into the atmosphere while at the same time allowing more water to be stored on the land surface, which in turn allowed for the evolution of numerous heterotrophic organisms. this property of the forest could therefore be considered an important factor in the evolution of hominids, which eventually contributed to the development of the Homo sapiens culture.
Źródło:
Leśne Prace Badawcze; 2020, 81, 3; 133-138
1732-9442
2082-8926
Pojawia się w:
Leśne Prace Badawcze
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Biological and biochemical properties in evaluation of forest soil quality
Autorzy:
Blonska, E.
Lasota, J.
Powiązania:
https://bibliotekanauki.pl/articles/38711.pdf
Data publikacji:
2014
Wydawca:
Instytut Badawczy Leśnictwa
Tematy:
biological property
biochemical property
forest soil
soil quality
earthworm
enzyme activity
Opis:
The aim of this study was to assess the possibility of using biological and biochemical parameters in the evaluation of forest soil quality and changes caused by land use. The study attempted to determine a relationship between the enzymatic activity of soil, the number of earthworms and soil physico-chemical properties. The study was carried out in central Poland in adjoining Forest Districts (Przedbórz and Smardzewice). In soil samples taken from 12 research plots, basic physico-chemical properties, enzyme activity (dehydrogenase, urease) and density and biomass of earthworms were examined. Enzyme activity showed a large diversity within the forest site types studied. The correlations between the activity of the enzymes studied and C/N ratio indicated considerable importance of these enzymes in metabolism of essential elements of organic matter of forest soils. Urease and dehydrogenase activity and earthworm number showed susceptibility to soil pH, which confirmed relationships between enzyme activity and abundance of earthworms and soil pH in H2O and KCl.
Źródło:
Folia Forestalia Polonica. Series A . Forestry; 2014, 56, 1
0071-6677
Pojawia się w:
Folia Forestalia Polonica. Series A . Forestry
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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