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Paper Information

Journal:   JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES   OCTOBER-NOVEMBER 2007 , Volume 14 , Number 4; Page(s) 20 To 31.
 
Paper: 

THE HETEROGENEITY OF STRUCTURE IN MIXED BEECH FOREST (CASE STUDY SHASTKALATEH, GORGAN)

 
 
Author(s):  DANESHVAR ABOU ALFAZL*, RAHMANI RAMIN, HABASHI H.
 
* DEPT. OF FORESTRY, GORGAN UNIVERSITY OF AGRICULTURE SCIENCES AND NATURAL RESOURCES, IRAN
 
Abstract: 

The studying and quantitative measurement of uneven aged forest structure, despite of the structural complexity, allowed us to report some of the most important structural features of the forest and by this way, we can use them for stand management. In order to overcome the structural complexity of the beech stands, the information of diameter and height of all trees were obtained in the study area situated in 16 hectares of shastkalateh forest located in the east of Hyrcanian forests. The results showed that alder and maple combined with beech can indicate the primary stages of succession and in this state, ironwood and persimmon trees are mostly found in the middlestory and understory. But at final stages of the succession, the beech trees become dominant and abundant in the overstory and hornbeam coming as second main species in the stand. The biodiversity index is difference between various stages of the beech succession while diversity and richness of wood species are reduced in final stages of beech stand succession. In this forest, trees diameter distributions are normal based on De Liocourt index. Reductions of the trees in the diameter classes are suitable which can be considered as a model to maintain the structure for marking and managing the stand.

 
Keyword(s): BEECH, STRUCTURE, BIODIVERSITY, SUCCESSION
 
References: 
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