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Paper Information

Journal:   IRANIAN JOURNAL OF BIOLOGY   Spring-Summer 2003 , Volume 14 , Number 1-2; Page(s) 54 To 70.
 
Paper: 

THE INVESTIGATION OF SAIVAN VEGETATION

 
 
Author(s):  RAZAVI S.M., MANAFI M.H.
 
* 
 
Abstract: 
In this research, Floristic and ecological characters of Saivan region that is situated in 45th km northwest of Tabriz were studied. This region is located between 45° 50' 40" to 45° 52' 57" E longitude and 38° 20' to 38° 21' 12" N latitude with an area of 1000 hectares. The region of vascular flora was exactly determined and 230 species belong to 179 genera and 50 families were determined. Some ecological conditions such as: soil tissue spoils pH. Soil salinity. Quality and quantity of average precipitation and average temperature in year was studied. The region vegetation was studied by floristic and physiognomic methods. By physiognomic study of the vegetation region. Different biological types were determined and the region life spectrum was designed. The floristic study of the vegetation region was carried out by Braun - Banquets method. In this way after determing minimal area. 17 releves were made inn the region. Then this releves were treated by mathematical and comparative methods. So that. Vegetation Units of the region was recognized. In mathamatical method. Jackard coefficient and in comparative method .raw. constancy. partial and ordinated partial tables have been employed. As a result. edaphic factors are most important factor: in distribution of Vegetation units.
 
Keyword(s): SAIVAN. FLORA, LIFE SPECTRUM, VEGETATION UNIT
 
References: 
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