Published in Scientific Papers. Series E. Land Reclamation, Earth Observation & Surveying, Environmental Engineering, Vol. XI
Written by Cătălin-Ionel CIONTU, Ilie-Cosmin CÂNTAR, Daniel-Ond TURCU, Gheorghe Florian BORLEA
The aim of the paper is to highlight the variation of the frequency and types of microhabitats on trees, in a natural beech forest, depending on different stand characteristics and site condition. The research was carried out in the "Izvoarele Nerei" Nature Reserve from Caras-Severin County, Romania, the previously announced aim being achieved by fulfilling objectives such as: identifying the types of microhabitats on trees (according classification from specialty literature) on altitudinal levels, establishing the influence of altitude on the frequency of microhabitats, identification of other stand characteristics and site conditions having an influence on the frequency of microhabitats on trees. The research was carried out on four altitudinal levels (800, 1000, 1200 and 1350 m), trees characteristics determination and microhabitats identification being carried out in sample areas of 2500 m2, two on each altitudinal level. The most frequent microhabitats were: branch rot hole (length >= 5 cm), cracks and scars (length >= 100 cm), root buttress cavities (length >= 5 cm), epiphytic lichens (coverage > 25 %), root buttress cavities (length >= 10 cm), branch rot hole (length >= 10 cm).
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