Contribution of urine and dung patches from grazing sheep to methane and carbon dioxide fluxes in an inner mongolian desert grassland.
Contribution of urine and dung patches from grazing sheep to methane and carbon dioxide fluxes in an inner mongolian desert grassland.
复制标题
内蒙古沙漠草原放牧羊的尿液和粪便对甲烷和二氧化碳通量的贡献
DOI：
10.5713/ajas.2011.11261
复制
发表时间：
2012-02
期刊：
影响因子：
--
通讯作者：
Huang D
中科院分区：
文献类型：
--
作者：
Jiang Y;Tang S;Wang C;Zhou P;Tenuta M;Han G;Huang D
研究了2010年夏秋两季内蒙古荒漠草原羊粪和羊尿对甲烷（CH4）和二氧化碳（CO2）通量的影响，以评估其对气候变化的贡献。结果表明，粪区、尿区和对照区CH4累积排放量分别为- 0.076、- 0.084和- 0.114 g/m2，为CH4净汇。与对照区相比，尿区和粪区CH4摄取量分别下降25.7%和33.3%。在所有采样日中，尿图中的CO2通量差异（p<0.01），平均为569.20 mg/m2/h，而对照组的平均值为357.62 mg/m2/h。在55 d期间，粪块的累积二氧化碳排放量比对照高15.9%。总体而言，羊粪降低了CH4的摄入量，增加了CO2的排放量。
The effects of sheep urine and dung patches on methane (CH4) and carbon dioxide (CO2) fluxes were investigated during the summer-autumn in 2010, to evaluate their contribution to climate change in a desert grassland in Inner Mongolia, China. Results indicate that the cumulative CH4 emissions for dung patches, urine patches and control plots were − −0.076, −0.084, and −0.114 g/m2 and these were net CH4 sinks during the measured period. The level of CH4 intake from urine and dung plots decreased 25.7%, and 33.3%, respectively, compared with a control plot. CO2 fluxes differed (p<0.01) in urine plots, with an average of 569.20 mg/m2/h compared with control plots (357.62 mg/m2/h) across all sampling days. Dung patches have cumulative CO2 emissions that were 15.9% higher compared with the control during the 55-d period. Overall, sheep excrement weakened CH4 intake and increased CO2 emissions.
登录
查看更多内容
影响因子：
3.1
作者：
Clemens, J;Ahlgrimm, HJ
通讯作者：
Ahlgrimm, HJ
影响因子：
4.9
作者：
Kelliher, FM;Barbour, MM;Hunt, JE
通讯作者：
Hunt, JE
影响因子：
4.9
作者：
Petersen, SO;Stamatiadis, S;Christofides, C
通讯作者：
Christofides, C
影响因子：
3.7
作者：
Gulledge, J;Schimel, JP
通讯作者：
Schimel, JP
影响因子：
2.4
作者：
Flessa, H;Dorsch, P;Bouwman, AF
通讯作者：
Bouwman, AF