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Study on the effect of soil chemical characteristics and crown canopy of Ziziphus spina-christi L. on soil seed bank characteristics

    Authors

    • Moharram Ashrafzadeh 1
    • Reza Erfanzadeh 2

    1 MSc. Student, Rangeland Management Department, Faculty of Natural Resources, Tarbiat Modares University

    2 Assistant Professor, Rangeland Management Department, Faculty of Natural Resources, Tarbiat Modares University

,

Document Type : Research Paper

10.22059/jrwm.2014.50025
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Abstract

This study was carried out to investigate the effect of crown canopy of Ziziphus spina-christi on seed bank characteristics (density and similarity with above ground flora) in two sites with saline-alkaline and alkaline soils. In each soil, forty plots were established, half in and half outside of Z. spina-christi cover. In each plot, soil sampling was done from 0-5 and 5-10 cm depths. Paired and un-paired t-test were used to compare soil seed bank characteristics between the depths, between two different soils and between in- and outside the tree canopy. The results showed that the density of seed bank in 0-5 cm depths was significantly higher than 5-10 cm depths in both soils. The density of seed in both depths was significantly higher in saline-alkaline than alkaline soils. The similarity coefficient between soil seed bank and above-ground was significantly different between under tree canopy of two soils in 0-5 cm. Soil seed density was highest under crown cover in both soils. The crown canopy of trees in dry rangelands can play an important role in reservation of soil seed bank. Therefore, the conservation of individual trees in these areas should be concerned of the managers.

Keywords

  • Ziziphus spina-christi
  • Soil seed bank
  • Seed band density
  • Similarity coefficient
  • Arid land
  • Crown canopy
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Journal of Range and Watershed Managment
Volume 66, Issue 4 - Serial Number 4
March 2014
Pages 477-491
Files
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  • PDF 1.86 M
History
  • Receive Date: 12 November 2011
  • Revise Date: 11 January 2014
  • Accept Date: 25 June 2012
  • First Publish Date: 20 February 2014
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How to cite
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  • Article View: 2,657
  • PDF Download: 1,824

APA

Ashrafzadeh, M., & Erfanzadeh, R. (2014). Study on the effect of soil chemical characteristics and crown canopy of Ziziphus spina-christi L. on soil seed bank characteristics. Journal of Range and Watershed Managment, 66(4), 477-491. doi: 10.22059/jrwm.2014.50025

MLA

Moharram Ashrafzadeh; Reza Erfanzadeh. "Study on the effect of soil chemical characteristics and crown canopy of Ziziphus spina-christi L. on soil seed bank characteristics". Journal of Range and Watershed Managment, 66, 4, 2014, 477-491. doi: 10.22059/jrwm.2014.50025

HARVARD

Ashrafzadeh, M., Erfanzadeh, R. (2014). 'Study on the effect of soil chemical characteristics and crown canopy of Ziziphus spina-christi L. on soil seed bank characteristics', Journal of Range and Watershed Managment, 66(4), pp. 477-491. doi: 10.22059/jrwm.2014.50025

VANCOUVER

Ashrafzadeh, M., Erfanzadeh, R. Study on the effect of soil chemical characteristics and crown canopy of Ziziphus spina-christi L. on soil seed bank characteristics. Journal of Range and Watershed Managment, 2014; 66(4): 477-491. doi: 10.22059/jrwm.2014.50025

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