• Register
  • Login
  • Persian

Journal of Range and Watershed Managment

  1. Home
  2. Investigation of vegetation changes under precipitation in semi-steppic rangelands of Ardebil province (Case study: Arshagh Rangeland Research Site)

Current Issue

By Issue

By Author

Author Index

Keyword Index

About Journal

Aims and Scope

Editorial Board

Publication Ethics

Indexing and Abstracting

Related Links

FAQ

Peer Review Process

News

Journal Metric

Superior reviewers

Reviewers

Guide for Reviewers

Investigation of vegetation changes under precipitation in semi-steppic rangelands of Ardebil province (Case study: Arshagh Rangeland Research Site)

    Authors

    • J. Sharifi 1
    • M. Akbarzadeh 2

    1 Scientific Board, Research Center of Agriculture and Natural Resource of Ardebil province, Ardebil, I.R. Iran.

    2 Research Assistant Professor, Research Institute of Forests and Rangelands, Tehran, I.R. Iran

,

Document Type : Research Paper

10.22059/jrwm.2012.32049
  • Article Information
  • Download
  • How to cite
  • Statistics
  • Share

Abstract

A major part of the rangelands of Iran are located in arid and semi-arid regions. In this climate, rainfall fluctuation is an important factor which affects vegetation and forage production. In dry years that rainfall decreases, surface vegetation and forage production is damaged. This study was conducted on semi-steppic rangelands of Ardebil over nine years (1999-2007), to study of vegetation changes with rainfall fluctuation. The results showed that canopy cover of Salsola gemmascens and Noaea mucronata species was decreased but Artemisia fragrans and Kochia prostrata species were increased.Generally density of shrub species was decreased about 40% and showed a positive correlation with seasonal precipitation (fall and winter). Grass species showed different response to precipitation changes over nine years period and in general, no significant changes were observed. Stipa hohenackeriana species was affected by winter precipitation but Poa bulbosa and Cynodon dactylon were correlated with spring precipitation. Density of perennial forbs species was increased considerably (about seven times), but in dry years (2000-2002) forage production reduced.  Forage production over nine years increased from  296 kg to 747 kg per hectare, which is approximately 2.5 times higher. Meanwhile, proportion of plants in classes I, II and III, were respectively, 23.1, 51.9 and 25.2 percent of forage production. Also, forage production in wet periods increased from 747 to 1968 kg per hectare which shows an increase of about seven times.

Keywords

  • Semi-arid regions
  • Rainfall fluctuation
  • Canopy cover
  • Forage production
  • Ardebil
  • XML
  • PDF 383.08 K
  • RIS
  • EndNote
  • Mendeley
  • BibTeX
  • APA
  • MLA
  • HARVARD
  • VANCOUVER
    • Article View: 3,793
    • PDF Download: 1,833
Journal of Range and Watershed Managment
Volume 65, Issue 4 - Serial Number 4
March 2013
Pages 507-516
Files
  • XML
  • PDF 383.08 K
History
  • Receive Date: 25 September 2010
  • Revise Date: 14 July 2013
  • Accept Date: 07 January 2012
  • First Publish Date: 21 December 2012
Share
How to cite
  • RIS
  • EndNote
  • Mendeley
  • BibTeX
  • APA
  • MLA
  • HARVARD
  • VANCOUVER
Statistics
  • Article View: 3,793
  • PDF Download: 1,833

APA

Sharifi, J., & Akbarzadeh, M. (2012). Investigation of vegetation changes under precipitation in semi-steppic rangelands of Ardebil province (Case study: Arshagh Rangeland Research Site). Journal of Range and Watershed Managment, 65(4), 507-516. doi: 10.22059/jrwm.2012.32049

MLA

J. Sharifi; M. Akbarzadeh. "Investigation of vegetation changes under precipitation in semi-steppic rangelands of Ardebil province (Case study: Arshagh Rangeland Research Site)". Journal of Range and Watershed Managment, 65, 4, 2012, 507-516. doi: 10.22059/jrwm.2012.32049

HARVARD

Sharifi, J., Akbarzadeh, M. (2012). 'Investigation of vegetation changes under precipitation in semi-steppic rangelands of Ardebil province (Case study: Arshagh Rangeland Research Site)', Journal of Range and Watershed Managment, 65(4), pp. 507-516. doi: 10.22059/jrwm.2012.32049

VANCOUVER

Sharifi, J., Akbarzadeh, M. Investigation of vegetation changes under precipitation in semi-steppic rangelands of Ardebil province (Case study: Arshagh Rangeland Research Site). Journal of Range and Watershed Managment, 2012; 65(4): 507-516. doi: 10.22059/jrwm.2012.32049

  • Home
  • About Journal
  • Editorial Board
  • Submit Manuscript
  • Contact Us
  • Glossary
  • Sitemap

News

  • Publication fee 2021-09-23

Newsletter Subscription

Subscribe to the journal newsletter and receive the latest news and updates

© Journal Management System. Powered by Sinaweb