Evaluation of temperature sensitivity of soil organic matter decomposition in relation to rangeland management, element stoichiometry and soil depth

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BEHTARI BEHZAD; JAFARIAN ZEINAB; ALIKHANI HOSEINALI

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Journal: Journal of Environmental Studies Year:2018 | Volume:44 | Issue:2 Page(s): 223-240

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Title

Evaluation of temperature sensitivity of soil organic matter decomposition in relation to rangeland management, element stoichiometry and soil depth

Author(s)

BEHTARI BEHZAD | JAFARIAN ZEINAB | ALIKHANI HOSEINALI | Issue Writer Certificate

Keywords

carbon dioxide emissionsQ1

incubationQ2

q-theoryQ1

rangelandQ1

Abstract

Introduction Soils are considered as the largest carbon sink in terrestrial ecosystems. rangelands are the largest terrestrial biomass in world, and contain about 30% of terrestrial carbon stocks. The temperature sensitivity of soil organic matter decomposition (expressed with Q10) is widely used to show the response soil organic matter decomposition to temperature changes. Some biotic and abiotic factors such as land management, soil nutrient contents and stoichiometry as well as soil depth can alter Q10. Since soil carbon content is association with organic matter from vegetation and root turnover, over gazing or destruction can reduces inputs organic matter and leads to surface erosion and increased emission of carbon dioxide. Therefore, sustainable grazing management is effective for protection of soil carbon. It has been determined that fraction of stable and recalcitrant organic matter increases with increasing soil depth. Therefore, studying the Q10 in relation to soil depth, especially in natural ecosystems, will improve our understanding of carbon dioxide efflux...

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APA: Copy

BEHTARI, BEHZAD, JAFARIAN, ZEINAB, & ALIKHANI, HOSEINALI. (2018). Evaluation of temperature sensitivity of soil organic matter decomposition in relation to rangeland management, element stoichiometry and soil depth. JOURNAL OF ENVIRONMENTAL STUDIES, 44(2 ), 223-240. SID. https://sid.ir/paper/3176/en

Vancouver: Copy

BEHTARI BEHZAD, JAFARIAN ZEINAB, ALIKHANI HOSEINALI. Evaluation of temperature sensitivity of soil organic matter decomposition in relation to rangeland management, element stoichiometry and soil depth. JOURNAL OF ENVIRONMENTAL STUDIES[Internet]. 2018;44(2 ):223-240. Available from: https://sid.ir/paper/3176/en

IEEE: Copy

BEHZAD BEHTARI, ZEINAB JAFARIAN, and HOSEINALI ALIKHANI, “Evaluation of temperature sensitivity of soil organic matter decomposition in relation to rangeland management, element stoichiometry and soil depth,” JOURNAL OF ENVIRONMENTAL STUDIES, vol. 44, no. 2 , pp. 223–240, 2018, [Online]. Available: https://sid.ir/paper/3176/en

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