DOI: 10.5593/SGEM2015/B32/S14.060


O. Merce, G. F.Borlea, D.O. Turcu, I.C. Cantar, I.A. Biris
Thursday 24 September 2015 by Libadmin2015

References: 15th International Multidisciplinary Scientific GeoConference SGEM 2015, www.sgem.org, SGEM2015 Conference Proceedings, ISBN 978-619-7105-37-7 / ISSN 1314-2704, June 18-24, 2015, Book3 Vol. 2, 447-454 pp

Virgin forests are the most complex forest ecosystems both functionally and in terms of complexity and information provided. They show the following structural characteristics: they have a large amount of biomass, they present exemplars of trees with large dimensions, having very old ages, they have significant volumes of dead wood in various stages of decay, they have a heterogeneous structure with a mosaic distribution of the components. In the „Runcu Grosi” Nature Reserve they were studied the stages of decomposition and the deadwood volume using 41 sample plots of 1000 m2 each, located in the Reserve’s area.
The measured amount of dead wood was 126.40 m3/ha. Using the statistical test “t – student”, we compared the volumes of (living) standing wood and the dead wood from the 41 sample plots, grouped, according to the predominant species by stading (living) wood volume, in three variants with 17, 16 and and 8 repetitions. Therefore, comparing the variants where the volume of standing wood is mainly sessile oak with the variants where the entire standing volume is beech, we obtained significant differences in the volume of dead wood. The same result was obtained when we compared the variants constituted by mainly beech and exclusively beech of living wood. When we compared the variants of predominant beech and predominant sessile aok living volumes, the differences were not significant in terms of volume of dead wood.

Keywords: dead wood, Runcu Groşi, beech, sessile oak

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