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Characterizing CH4, CO2 and N2O emission from barn feeding Tibetan sheep in Tibetan alpine pastoral area in cold season
Xu, Tianwei ; Zhao, Na ; Hu, Linyong ; Xu, Shixiao ; Liu, Hongjin ; Ma, Li ; Zhao, Xinquan
2017-05-01
发表期刊ATMOSPHERIC ENVIRONMENT
摘要Herein, methane (CH4), carbon dioxide (CO2) and nitrous oxide (N2O) emission from different aged barn feeding Tibetan sheep were characterized using a respiration chamber in combination with gas chromatograph method in cold season of 2013. This work was based on measuring the increase of gas concentration inside respiration chamber by the means of gas chromatograph. Results indicated that diurnal CH4 emission patterns for barn feeding Tibetan sheep were driven by feeding schedule, diurnal CO2 emission patterns were relatively stable with two slight emission peaks, diurnal N2O emission patterns were driven by the variation of temperature inside chamber. Diurnal CH4 emission rates were 17.65, 19.49 and 21.06 g sheep(-1) d(-1) for yearling, two-year and three-year barn feeding Tibetan sheep, account for 6.15%, 5.76% and 5.45% of their daily gross energy intakes, respectively. Diurnal CO2 emission rates were 526.88, 588.43 and 640.66 g sheep(-1) d(-1) for yearling, two-year and three-year barn feeding Tibetan sheep, respectively. Diurnal N2O emission rates were 1.64, 1.25 and 1.05 mg sheep(-1) d(-1) for yearling, two-year and three-year barn feeding Tibetan sheep, respectively. Three-year barn feeding Tibetan sheep released more CO2-eq on per unit BW and BW0.75 gain basis. (C) 2017 Elsevier Ltd. All rights reserved.
文献类型期刊论文
条目标识符http://210.75.249.4/handle/363003/23133
专题中国科学院西北高原生物研究所
推荐引用方式
GB/T 7714
Xu, Tianwei,Zhao, Na,Hu, Linyong,et al. Characterizing CH4, CO2 and N2O emission from barn feeding Tibetan sheep in Tibetan alpine pastoral area in cold season[J]. ATMOSPHERIC ENVIRONMENT,2017.
APA Xu, Tianwei.,Zhao, Na.,Hu, Linyong.,Xu, Shixiao.,Liu, Hongjin.,...&Zhao, Xinquan.(2017).Characterizing CH4, CO2 and N2O emission from barn feeding Tibetan sheep in Tibetan alpine pastoral area in cold season.ATMOSPHERIC ENVIRONMENT.
MLA Xu, Tianwei,et al."Characterizing CH4, CO2 and N2O emission from barn feeding Tibetan sheep in Tibetan alpine pastoral area in cold season".ATMOSPHERIC ENVIRONMENT (2017).
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