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Contributions to the knowledge of hornbeam and beech forests, from Lăzăreni hills (NW Romania)

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Author(s): Petru BURESCU | Laura Mariana LACATOŞ

Journal: Analele Universitatii din Oradea, Fascicula Biologie
ISSN 1224-5119

Volume: TOM XVII;
Issue: 1;
Start page: 55;
Date: 2010;
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Keywords: phytocoenoses | association | phytocoenologic study | life forms | floristic elements | ecological indexes

ABSTRACT
In this paperwork we presented a phytocoenologic, environmental, bioeconomic and ecoprotective study on hornbeam and beech forests mixture spread over Lăzăreni Hills. These forests are subordinated to association Carpino-Fagetum, Paucă (1941) [21] whose phytocoenoses are analyzed by us under terms of floristic composition, ecological spectra of life form types, floristic elements (phytogeographic), under terms of ecological factors chart: humidity, temperature and chemical reaction of soil.The association is presented in a stable equilibrium and consequently none of the dominant species of the tree layer or of the herbaceous layer tend to replace each other inherently in their competition for food and light.It is necessary to maintain these forests in a natural state, because through the particular nature of the stations they occupy, they join in the group of forests with priority functions of anti-erosion protection, of hydrological balance adjustment and biodiversity conservation.From the economic point of view, the association is of particular interest through the high quality of timber provided by the dominant species.
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