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Investigation of environmental factors affecting vegetation distribution in the Zirkouh rangelands of Qaen

    Authors

    • M. Jafari
    • A. Tavili
    • M. Rostampour
    • M. A. Zare Chahouki
    • J. Farzadmehr
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Abstract

This study was carried out to investigate the effective environmental factors in the distribution of vegetation in Zirkouh rangelands of Qaen. After delimitation of the study area, sampling of soil and vegetation were performed using randomized- systematic method. Vegetation cover was recorded by using Braun-Blanquet combined abundance-cover scale in each sample. Within each sample, one profile was dug and soil samples being taken at 0-20 cm and 20-100 cm depths. Physical-chemical characteristics were determined include texture, lime, organic matter, soil moisture content, saturation moisture, EC and pH. Five vegetation groups were identified after the application of TWINSPAN method and were named after the characterizing species as follows: Salsola richteri-Aelorupes littoralis; Zygophyllum eurypterum-Haloxylon ammodendron; Artemisia sieberi-Zygophyllum eurypterum; Ammodendron persicum-Stipagrostis pennata; Artemisia aucheri-Amygdalus scoparia. The results of PCA showed that environmental factors best related with the distribution of this vegetation are texture, lime, organic matter, soil moisture content, saturation moisture, elevation and slope.

Keywords

  • Classification
  • Ordination
  • Vegetation-environment relationships
  • Vegetation groups
  • Zirkouh rangelands
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Journal of Range and Watershed Managment
Volume 62, Issue 2 - Serial Number 325065
October 2009
Pages 197-211
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How to cite
  • RIS
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Statistics
  • Article View: 2,170
  • PDF Download: 3,119

APA

Jafari, M., Tavili, A., Rostampour, M., Zare Chahouki, M. A., & Farzadmehr, J. (2009). Investigation of environmental factors affecting vegetation distribution in the Zirkouh rangelands of Qaen. Journal of Range and Watershed Managment, 62(2), 197-211.

MLA

M. Jafari; A. Tavili; M. Rostampour; M. A. Zare Chahouki; J. Farzadmehr. "Investigation of environmental factors affecting vegetation distribution in the Zirkouh rangelands of Qaen". Journal of Range and Watershed Managment, 62, 2, 2009, 197-211.

HARVARD

Jafari, M., Tavili, A., Rostampour, M., Zare Chahouki, M. A., Farzadmehr, J. (2009). 'Investigation of environmental factors affecting vegetation distribution in the Zirkouh rangelands of Qaen', Journal of Range and Watershed Managment, 62(2), pp. 197-211.

VANCOUVER

Jafari, M., Tavili, A., Rostampour, M., Zare Chahouki, M. A., Farzadmehr, J. Investigation of environmental factors affecting vegetation distribution in the Zirkouh rangelands of Qaen. Journal of Range and Watershed Managment, 2009; 62(2): 197-211.

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