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Paper Information

Journal:   ECOPERSIA   2016 , Volume 4 , Number 1 ; Page(s) 1283 To 1294.
 
Paper: 

ESTIMATION OF ABOVEGROUND BIOMASS CARBON SEQUESTRATION POTENTIAL IN THE RANGELAND ECOSYSTEMS OF IRAN

 
 
Author(s):  ATTAEIAN BEHNAZ*
 
* ASSISTANT PROFESSOR, DEPARTMENT OF RANGE AND WATERSHED MANAGEMENT, FACULTY OF NATURAL RESOURCE AND ENVIRONMENTAL SCIENCES, MALAYER UNIVERSITY, MALAYER, IRAN
 
Abstract: 

Ongoing climate change has been a major global challenge since the 1880s. Sequestration of carbon (C) in rangelands ecosystems could provide a net carbon sink to offset increases in atmospheric C in global scale. This research is aimed at estimating the above-ground biomass carbon sequestration potential in Iran. For this purpose, total rangelands area and productivity data were extracted from the annual reports of Agriculture Statistical Pocketbook (2006-2013) of the country. Then productivity data was used to calculate above-ground C storage per province. The maximum and minimum rangeland areas were observed in Sistan and Baluchestan and Mazandaran (Nowshahr) Provinces, respectively. Maximum above-ground biomass C storage was about 1.07 Mg Cha-1y-1 in Fars Province. The minimum amount occurred in Qom province with only 0.023Mg C ha-1 y-1. In summary, mean carbon CO2fixation was about 0.25 Mg C ha-1 y-1in Iran’s rangelands from 2003 to 2013. Considering the total rangeland area (? 84.8 million hectare) and productivity of Iran, 11770.011 Gg C y-1 carbon is stored in above-ground biomass annually providing at least 5885 Gg organic C sequestration potential.

 
Keyword(s): CARBON FIXATION, CARBON SEQUESTRATION, IRAN, PRODUCTIVITY, RANGELAND
 
References: 
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