Content character of WSOC among four vegetation types along an elevation gradients in Wuyi Mountain

doi:10.3969/j.jssn.1000-2006.2009.04.010

JOURNAL OF NANJING FORESTRY UNIVERSITY ›› 2009, Vol. 33 ›› Issue (04): 48-52.doi: 10.3969/j.jssn.1000-2006.2009.04.010

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Content character of WSOC among four vegetation types along an elevation gradients in Wuyi Mountain

ZHOU Yan1, XU Xiangen1, RUAN Honghua1*, WANG Jiashe2, FANG Yanhong2, WU Yanyu2, XU Zikun2

1.Jiangsu Key Laboratory of Forestry and Ecological Engineering, Nanjing Forestry University, Nanjing 210037, China; 2.Administrative Bureau of Wuyishan National Nature Reserve, Wuyishan 354300, China

Online:2009-08-18 Published:2009-08-18

Abstract

Abstract: Soil watersoluble organic carbon (WSOC) is an important component in soil carbon cycling. The soil watersoluble organic carbon among four vegetation types with an elevation gradients and the correlations between soil WSOC and some other soil factors were analyzed. The results revealed: (1)The amount of WSOC became bigger when the elevation went higher, and it became smaller when the soil layers became deeper; (2)The percentage of WSOC to TOC varied from 0.02 to 0.16, the highest was Alpine meadow soil layer of 10—25 cm, the lowest was evergreen broadleaf forest 25—40 cm soil layer; (3)In each site and different soil layers, WSOC positively correlated with TOC, SMBC, soil moisture, and TN, respectively. However, WSOC was not found to be associated with soil temperature and pH. The results provided theoretical foundation for further elucidate soil carbon circle character among different vegetation types with an elevation gradients.

CLC Number:

S714

ZHOU Yan1, XU Xiangen1, RUAN Honghua1*, WANG Jiashe2, FANG Yanhong2, WU Yanyu2, XU Zikun2. Content character of WSOC among four vegetation types along an elevation gradients in Wuyi Mountain[J]. JOURNAL OF NANJING FORESTRY UNIVERSITY, 2009, 33(04): 48-52.

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Content character of WSOC among four vegetation types along an elevation gradients in Wuyi Mountain

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