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Scaling of soil carbon, nitrogen, phosphorus and C:N:P ratio patterns in peatlands of China
Z. S. Zhang, Z. S. Xue, X. G. Lyu, S. Z. Tong and M. Jiang; Xue ZS(薛振山)
2017
发表期刊Chinese Geographical Science
卷号27期号:4页码:507-515
摘要Inspired by the importance of Redfield-type C : N : P ratios in global soils, we looked for analogous patterns in peatlands and aimed at deciphering the potential affecting factors. By analyzing a suite of peatlands soil data (n = 1031), mean soil organic carbon (SOC), total nitrogen (TN) and total phosphorous (TP) contents were 50.51%, 1.45% and 0.13%, respectively, while average C : N, C : P and N : P ratios were 26.72, 1186.00 and 46.58, respectively. C : N ratios showed smaller variations across different vegetation coverage and had less spatial heterogeneity than C : P and N:P ratios. No consistent C : N : P ratio, though with a general value of 1245 : 47 : 1, was found for entire peatland soils in China. The Northeast China, Tibet, Zoig Plateau and parts of Xinjiang had high soil SOC, TN, TP, and C:P ratio. Qinghai, parts of the lower reaches of the Yangtze River, and the coast zones have low TP and N : P ratio. Significant differences for SOC, TN, TP, C : N, C : P and N : P ratios were observed across groups categorized by predominant vegetation. Moisture, temperature and precipitation all closely related to SOC, TN, TP and their pairwise ratios. The hydrothermal coefficient (RH), defined as annual average precipitation divided by temperature, positively and significantly related to C : N, C : P and N : P ratios, implying that ongoing climate change may prejudice peatlands as carbon sinks during the past 50 years in China.
DOI10.1007/s11769-017-0884-8
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被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.iga.ac.cn/handle/131322/7651
专题湿地与全球变化学科组
通讯作者Xue ZS(薛振山)
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GB/T 7714
Z. S. Zhang, Z. S. Xue, X. G. Lyu, S. Z. Tong and M. Jiang,Xue ZS. Scaling of soil carbon, nitrogen, phosphorus and C:N:P ratio patterns in peatlands of China[J]. Chinese Geographical Science,2017,27(4):507-515.
APA Z. S. Zhang, Z. S. Xue, X. G. Lyu, S. Z. Tong and M. Jiang,&薛振山.(2017).Scaling of soil carbon, nitrogen, phosphorus and C:N:P ratio patterns in peatlands of China.Chinese Geographical Science,27(4),507-515.
MLA Z. S. Zhang, Z. S. Xue, X. G. Lyu, S. Z. Tong and M. Jiang,et al."Scaling of soil carbon, nitrogen, phosphorus and C:N:P ratio patterns in peatlands of China".Chinese Geographical Science 27.4(2017):507-515.
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