干旱区生态环境知识资源中心(Arid): Saline soil enzyme activities of four plant communities in Sangong River basin of Xinjiang, China

Arid

	Saline soil enzyme activities of four plant communities in Sangong River basin of Xinjiang, China
	Guan Zhengjun; Luo Qian; Chen Xi; Feng Xianwei; Tang Zhixi; Wei Wei; Zheng Yuanrun
来源期刊	Journal of Arid Land
ISSN	1674-6767
出版年	2014
卷号	6 期号:2 页码:164-173
英文摘要	Soil enzyme activity plays an important role in the conversion of soil organic carbon into inorganic carbon, which is significant for the global carbon cycle. In this study, we investigated the soil enzyme activities of two ligninolytic enzymes (peroxidase and polyphenol oxidase) and five non-ligninolytic enzymes (alpha-1,4-glucosidase (AG); beta-1,4-glucosidase (BG); N-acetyl-beta-glucosaminidase (NAG); beta-D-cellobiosidase (CBH); and beta-xylosidase (BXYL)) in four plant communities of the Sangong River basin in Fukang, North Xinjiang, China. The four typical plant communities were dominated by Haloxylon ammodendron, Reaumuria soongonica, Salsola passerina, and Tamarix rarmosissima, respectively, with saline soils of varied alkalinity. The results showed that the soil peroxidase activity decreased seasonally. The activities of the five non-ligninolytic enzymes decreased with increasing soil depths, while those of the two ligninolytic enzymes did not show such a trend. In the four plant communities, BG had the highest activity among the five non-ligninolytic enzymes, and the activities of the two ligninolytic enzymes were higher than those of the four non-ligninolytic ones (AG, NAG, CBH, and BXYL). The community of H. ammodendron displayed the highest activity with respect to the two ligninolytic enzymes in most cases, but no significant differences were found among the four plant communities. The geometric mean of soil enzyme activities of the four plant communities was validated through an independently performed principal component analysis (PCA), which indicated that different plant communities had different soil enzyme activities. The correlation analysis showed that soil polyphenol oxidase activity was significantly positively correlated with the activities of the five non-ligninolytic enzymes. The soil pH value was positively correlated with the activities of all soil enzymes except peroxidase. Soil microbial carbon content also showed a significant positive correlation (P<0.01) with the activities of all soil enzymes except polyphenol oxidase. The results suggested that the H. ammodendron community has the highest ability to utilize soil organic carbon, and glucoside could be the most extensively utilized non-ligninolytic carbon source in the saline soil of arid areas in Xinjiang.
英文关键词	soil enzyme activity saline soil Haloxylon ammodendron Reaumuria soongonica Salsola passerina Tamarix rarmosissima
类型	Article
语种	英语
开放获取类型	Bronze
收录类别	CSCD
WOS研究方向	Agriculture
CSCD记录号	CSCD:5044767
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/335309
作者单位	Guan Zhengjun, Institute of Botany, Chinese Academy of Sciences, State Key Laboratory of Vegetation and Environmental Change, Beijing 100093, China.; Luo Qian, Institute of Botany, Chinese Academy of Sciences, State Key Laboratory of Vegetation and Environmental Change, Beijing 100093, China.; Tang Zhixi, Institute of Botany, Chinese Academy of Sciences, State Key Laboratory of Vegetation and Environmental Change, Beijing 100093, China.; Wei Wei, Institute of Botany, Chinese Academy of Sciences, State Key Laboratory of Vegetation and Environmental Change, Beijing 100093, China.; Zheng Yuanrun, Institute of Botany, Chinese Academy of Sciences, State Key Laboratory of Vegetation and Environmental Change, Beijing 100093, China.; Chen Xi, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi, Xinjiang 830011, China.; Feng Xianwei, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi, Xinjiang 830011, China.
推荐引用方式 GB/T 7714	Guan Zhengjun,Luo Qian,Chen Xi,et al. Saline soil enzyme activities of four plant communities in Sangong River basin of Xinjiang, China[J],2014,6(2):164-173.
APA	Guan Zhengjun.,Luo Qian.,Chen Xi.,Feng Xianwei.,Tang Zhixi.,...&Zheng Yuanrun.(2014).Saline soil enzyme activities of four plant communities in Sangong River basin of Xinjiang, China.Journal of Arid Land,6(2),164-173.
MLA	Guan Zhengjun,et al."Saline soil enzyme activities of four plant communities in Sangong River basin of Xinjiang, China".Journal of Arid Land 6.2(2014):164-173.