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:: Volume 1, Issue 2 ((Volume 1 - No. 2 - Summer 2013) - Article Numbers: 7 Article(s) 2013) ::
PEC 2013, 1(2): 59-70 Back to browse issues page
The study and comparison of the vegetation at elevation gradient in two medium and cold steppe zones in northeastern part of Golestan province
Halimeh Abdi *, Gholam Ali Heshmati2, Hamid Mostafalou3
M.Sc. Student of Range Management , abdi.chari@yahoo.com
2- Professor of Range Management, Department of Range Management, Faculty of Range Land & Watershed Management, Gorgan University of Agricultural Sciences & Natural Resources, Gorgan, Iran
3- Department of Natural Resources and Watershed Management in Golestan Province, Gorgan, Iran.
Abstract:   (5540 Views)
Abstract The systematic and scientific study of plant distribution along the altitudinal gradient can be introduced into the natural habitat by changes in altitude leads. In this study, the presence of plant species on twenty 100 m² transects and sampling points (10 points), along a gradient of 90 to 1476 m with 200 m changes above sea-level were recorded. TWINSPAN analysis was carried out using PC-ORD 5 based on the similarity and dissimilarity of the transects sampled, were grouped. To investigate the relationship between the vegetation and environmental factors (altitude, rainfall and slope), the original Principle Component Analysis (PCA) was used. The environmental factor of elevation above sea level affects the separation and distribution of the species groups meaning that one or a few plant species can represent a range of special ecological characteristics.
Keywords: Keywords: Dispersion, Vegetation profiles, Flora, Gradient elevation.
Full-Text [PDF 526 kb]   (1092 Downloads)    
Type of Study: Research | Subject: Special
Received: 2013/04/16 | Accepted: 2013/10/2 | Published: 2013/11/22
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Abdi H, Heshmati G A, Mostafalou H. The study and comparison of the vegetation at elevation gradient in two medium and cold steppe zones in northeastern part of Golestan province. PEC. 2013; 1 (2) :59-70
URL: http://pec.gonbad.ac.ir/article-1-63-en.html

Volume 1, Issue 2 ((Volume 1 - No. 2 - Summer 2013) - Article Numbers: 7 Article(s) 2013) Back to browse issues page
مجله حفاظت زیست بوم گیاهان Journal of Plant Ecosystem Conservation
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