Quantitative evaluation of the effects of watershed management operations on carbon sequestration and storage in order to reduce climate change (Case study: Parood Watershed- One of the sub basins of Shahrood Basin)

Document Type : Research Article

Authors

1 Faculty of Natural Resources, College of Agriculture and Natural Resources, University of Tehran, Karaj, Iran

2 Science and Research Branch, Islamic Azad University, Tehran, Iran

Abstract

In order to evaluate the effects of watershed management practices on carbon sequestration and storage, Vegetation, litter and soil samples in each treatment were taken by systematic-randomly method from 10 areas of the basin that represents the variation of soil and vegetation along 10 transects and 100 plots (Except for small earth dams and biomechanical treatments which there were 2 small earth dams and 3 biomechanical treatments in this basin so samples were taken from all of them respectively along three and one transects). Also soil samples were taken at each transects randomly in two depths (0-10 cm and 10-50 cm), soil samples were tested in soil laboratory. Results indicate that in all treatments most amount of sequestered carbon was occurred in the soil (about 99% of whole carbon stocks in the ecosystem). Finally the results showed natural rangeland that have good conditions in terms of vegetation and soil have the most carbon stock in two soil depths and overall (soil + biomass + litter) with 647.84 ton/ha up to a depth of 50 cm from the soil surface and mortar stone dams with 169.35 ton/ha have the lowest carbon stock in this basin.

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References

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Iranian journal of Ecohydrology
Volume 5, Issue 1
April 2018
Pages 161-172

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History

  • Receive Date: 25 June 2017
  • Revise Date: 15 September 2017
  • Accept Date: 30 November 2017
  • First Publish Date: 21 March 2018
  • Publish Date: 21 March 2018

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