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 MIAO Fangqin,WANG Jinsong,SUN Jichao,et al.Conversion Rate of Soil Carbon and Nitrogen in Natural Pinus tabulaeformis Forest on the Taiyue Mountains, China[J].Chinese Journal of Applied & Environmental Biology,2010,16(04):519-522.[doi:10.3724/SP.J.1145.2010.00519]





Conversion Rate of Soil Carbon and Nitrogen in Natural Pinus tabulaeformis Forest on the Taiyue Mountains, China
(1北京林业大学省部共建森林培育与保护教育部重点实验室 北京 100083)
(2山西省太岳山国有林管理局灵空山林场 沁源 046500)
MIAO Fangqin WANG Jinsong SUN Jichao KANG Fengfeng ZHAO Xiuhai HE Zishu
(1Key Laboratory for Silviculture and Conservation of Ministry of Education, Beijing Forestry University, Beijing 100083, China)
(2Lingkong Mountain Tree Farm of Taiyue Mountain National Forest Administration of Shanxi, Qinyuan 046500, Shanxi, China)
gross nitrification rate denitrification rate respiration rate Barometric process separation natural Pinus tabulaeformis forest soil depth
S714 : S791.254.02
采用气压过程分离(Barometric process separation,BaPS)技术,研究油松(Pinus tabulaeformis Carr.)天然林土壤含水量、土壤温度和细根生物量对土壤总硝化速率、反硝化速率和呼吸速率的影响及其在0~52 cm土层的变化. 结果表明:油松天然林内土壤总硝化速率和呼吸速率随土层深度增加呈递减趋势,反硝化速率在各层间的波动较大;土壤总硝化速率和呼吸速率与土壤含水量、土壤温度及细根生物量均显著正相关(P<0.05);土壤反硝化速率和土壤含水量、土壤温度以及细根生物量相关不显著. 图4 表2 参28
The effects of soil water content, soil temperature and fine root biomass on gross nitrification, denitrification and respiration rates in natural Pinus tabulaeformis forest soil in the Taiyue Mountains, China, and the changes in the rates with different depths of soil were investigated using the barometric process separation (BaPS) technique. The results indicated that the gross nitrification and respiration rates showed a decreasing trend as the soil depth increased, but the denitrification rate fluctuated strongly. The soil water content, soil temperature and fine root biomass had significant positive effects on the gross nitrification and respiration rates (P<0.05), but had no positive effect on the denitrification rate. Fig 4, Tab 2, Ref 28


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财政部林业行业专项项目(No. 20090422)和林业公益性行业专项(No. 200804006/rhh-02) Supported by the Special Fund of the Finance Ministry of China for Forestry Industry (No. 200904022) and the Public Welfare Special Fund of China for Forestry Industry of (No. 200804006/rhh-02)
更新日期/Last Update: 2010-08-25