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The effect of grazing on density, diversity and richness of soil seed bank in mountainous rangelands (case study: Waz watershed, Mazanderan province)

    Authors

    • Paria Kamali 1
    • Reza Erfanzadeh 2
    • Hasan Ghelichnia 3

    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

    3 Assistant Professor, Agricultural and Natural Resources Research Center, Sari

,

Document Type : Research Paper

10.22059/jrwm.2014.50032
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Abstract

This study aimed to investigate the effect of animal grazing on soil seed bank characteristics in the northern slopes of Alborz. For this purpose, soil seed bank characteristics were compared between grazed and ungrazed areas. Therefore, four transects perpendicular to the sides of exclosure inside and outside of it were established. Then soil samples were collected within 28 plots inside and 28 plots outside of exclosure along the transects from two different depth: 0-5 and 5-10 cm. Soil samples were then spread in the greenhouse and the plant species germinated in the greenhouse were identified and removed one time per 12 days. General linear model and factorial was used to study on the effect of grazing, depth and interaction between grazing and depth on soil seed bank characteristics. In case that the interactions became significant, unpaired t-test was used to compared seed bank characteristics between grazed and ungrazed in each depth, separately. In addition, paired t-test was applied to compare seed bank characteristics between two depths in grazed and ungrazed areas, separately. The results showed that all seed bank characteristics were significantly higher in ungrazed than grazed area particularly in upper layer of soil. All seed bank characteristics were also significantly higher in upper layer than the deeper layer of soil. The results implied that soil seed bank is a reliable source to recover the over grazed degraded points in the study area.

Keywords

  • Vaz exclosure
  • Animal grazing
  • Soil seed bank
  • Density
  • Diversity
  • Richness
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Journal of Range and Watershed Managment
Volume 66, Issue 4 - Serial Number 4
March 2014
Pages 583-593
Files
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  • PDF 880.08 K
History
  • Receive Date: 01 September 2011
  • Revise Date: 11 January 2014
  • Accept Date: 02 December 2012
  • First Publish Date: 20 February 2014
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How to cite
  • RIS
  • EndNote
  • Mendeley
  • BibTeX
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  • Article View: 2,828
  • PDF Download: 1,339

APA

Kamali, P., Erfanzadeh, R., & Ghelichnia, H. (2014). The effect of grazing on density, diversity and richness of soil seed bank in mountainous rangelands (case study: Waz watershed, Mazanderan province). Journal of Range and Watershed Managment, 66(4), 583-593. doi: 10.22059/jrwm.2014.50032

MLA

Paria Kamali; Reza Erfanzadeh; Hasan Ghelichnia. "The effect of grazing on density, diversity and richness of soil seed bank in mountainous rangelands (case study: Waz watershed, Mazanderan province)". Journal of Range and Watershed Managment, 66, 4, 2014, 583-593. doi: 10.22059/jrwm.2014.50032

HARVARD

Kamali, P., Erfanzadeh, R., Ghelichnia, H. (2014). 'The effect of grazing on density, diversity and richness of soil seed bank in mountainous rangelands (case study: Waz watershed, Mazanderan province)', Journal of Range and Watershed Managment, 66(4), pp. 583-593. doi: 10.22059/jrwm.2014.50032

VANCOUVER

Kamali, P., Erfanzadeh, R., Ghelichnia, H. The effect of grazing on density, diversity and richness of soil seed bank in mountainous rangelands (case study: Waz watershed, Mazanderan province). Journal of Range and Watershed Managment, 2014; 66(4): 583-593. doi: 10.22059/jrwm.2014.50032

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