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An investigation of environment factors’ impact on life form of plants (Case study: Javaherdeh rangelands of Ramsar)

    Authors

    • D. Askarizadeh 1
    • Gh. A. Heshmati 2

    1 MSc. Student, Gorgan University of Agricultural Science and Natural Resources, Gorgan, I.R. Iran

    2 Professor, Gorgan University of Agricultural Science and Natural Resources, Gorgan, I.R. Iran.

,

Document Type : Research Paper

10.22059/jrwm.2012.32051
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Abstract

Abiotic factors, as topographic and physicochemical properties of soil, are the most important effective factor on vegetation in rangeland ecosystems which have the most important performances to forming and succession of plant vegetation. Ecologic management of rangelands can be desired by better understanding of these effective factors. Then, rangeland of Javaherdeh (Ramsar) in the northern Alborz Mountains ranging 2000-3200 m a.s.l. was selected in this study and altitudinal classes of 300 meter were selected to obtain field records on the basis of field monitoring and plants structures. About 15 plots (1 m2) in each altitudinal class were considered in order to obtain the field data, e.g. percentage of life-form covers. It was also chosen five plots to gather soil samples. Statistical analyses, using cluster analysis, DCA and CCA, were done by PC-Ord V.5.1 software. The results showed that life forms of plant under 183 species and 33 families have been divided into five sub-associations so that their segregation is done based upon elevation, aspect, and soil properties. Multivariate analysis (CCA) also can as well divide the life forms of plants based on their ecological requirements into subgroups include annual and perennial grasses with perennial forbs, annual forbs, shrubs, and bushy trees. These life forms are also found different ecologic niches funded upon influence of the topographic factors and physicochemical properties of soils. Hence, ecologic management of terrestrial ecosystems needs to knowing and understanding of vegetation structures under different environmental factors.

Keywords

  • topography
  • Physicochemical properties
  • soil
  • Ecologic niches
  • Northern Alborz
  • Javaherdeh
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Journal of Range and Watershed Managment
Volume 65, Issue 4 - Serial Number 4
March 2013
Pages 529-540
Files
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  • PDF 204.38 K
History
  • Receive Date: 01 May 2011
  • Revise Date: 14 July 2013
  • Accept Date: 08 November 2011
  • First Publish Date: 21 December 2012
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How to cite
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  • Article View: 3,426
  • PDF Download: 1,400

APA

Askarizadeh, D., & Heshmati, G. A. (2012). An investigation of environment factors’ impact on life form of plants (Case study: Javaherdeh rangelands of Ramsar). Journal of Range and Watershed Managment, 65(4), 529-540. doi: 10.22059/jrwm.2012.32051

MLA

D. Askarizadeh; Gh. A. Heshmati. "An investigation of environment factors’ impact on life form of plants (Case study: Javaherdeh rangelands of Ramsar)". Journal of Range and Watershed Managment, 65, 4, 2012, 529-540. doi: 10.22059/jrwm.2012.32051

HARVARD

Askarizadeh, D., Heshmati, G. A. (2012). 'An investigation of environment factors’ impact on life form of plants (Case study: Javaherdeh rangelands of Ramsar)', Journal of Range and Watershed Managment, 65(4), pp. 529-540. doi: 10.22059/jrwm.2012.32051

VANCOUVER

Askarizadeh, D., Heshmati, G. A. An investigation of environment factors’ impact on life form of plants (Case study: Javaherdeh rangelands of Ramsar). Journal of Range and Watershed Managment, 2012; 65(4): 529-540. doi: 10.22059/jrwm.2012.32051

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