THE RELATIONSHIP BETWEEN PLANTS ECOLOGICAL GROUPS AND PLANT BIODIVERSITY INDICES IN AFRATAKHTEH YEW (TAXUS BACCATA L) RESERVED AREA

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ESMAEILZADEH O.; HOSSEINI SEYED MOHSEN

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Journal: Journal of Environmental Studies Year:2007 | Volume:33 | Issue:43 Page(s): 21-30

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Information Journal Paper

Title

THE RELATIONSHIP BETWEEN PLANTS ECOLOGICAL GROUPS AND PLANT BIODIVERSITY INDICES IN AFRATAKHTEH YEW (TAXUS BACCATA L) RESERVED AREA

Author(s)

ESMAEILZADEH O. | HOSSEINI SEYED MOHSEN | Issue Writer Certificate

Keywords

AFRATAKHTEHQ2

ECOLOGICAL GROUPSQ3

IRANQ3

PLANT BIODIVERSITYQ2

YEW (TAXUS BACCARA L.) TWINSPANQ3

CCAQ3

Abstract

The main goal of this research was classification of ECOLOGICAL GROUPS and investigation of its relation with plants biodiversity indices in AFRATAKHTEH reserved area. This study was conducted based on Brown- Blanquet method. At first homogen vegetation units were identified and then 41 sample plot (Releves) were selected selectively. The study of biodiversity indices was performed based on species covers data and use of current formula including Simpson and Shannon- Wiener. For ECOLOGICAL GROUPS classification and ordination, Two way indicator species analysis (TWINSPAN) and Canonical Correspondence Analysis (CCA) were performed respectively using Pc- ord for win 4.17 software. Four ECOLOGICAL GROUPS were distinguished on the basis of presence-absence and cover of plant species. Then the relationship between releves distribution and biodiversity indices was investigated using CCA. The results showed that ECOLOGICAL GROUPS are exactly different together in species composition, biodiversity and physiography variables including elevation (A. S. L.), slope and geographic aspects. Result showed that the diversity and richness were decreased with increase of elevation and slope that causes more difficult life conditions.

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