Effect of an alien species Spartina alterniflora Loisel on biogeochemical processes of intertidal ecosystem in the Jiangsu coastal region, China
Zhou Hong-Xia1,2; Liu Jin-E1; Zhou Jun1; Qin Pei1
2008-02-01
发表期刊PEDOSPHERE
ISSN1002-0160
卷号18期号:1页码:77-85
摘要Spartina alterniflora Loisel, a species vegetating in intertidal flats along the eastern coast of the United States, was introduced in China almost 30 years ago and has become an urgent topic due to its invasiveness in the coastal zone of China. The impacts of this alien species S. alterniflora on intertidal ecosystem processes in the Jiangsu coastland were investigated by comparing the sediment nutrient availability and trace element concentration characteristics in a mudflat and those of a four-year old Spartina salt marsh that had earlier been a mudflat. At each study site, fifteen plots were sampled in different seasons to determine the sediment characteristics along the tidal flats. The results suggested that Spartina salt marsh sediments had significantly higher total N, available P, and water content, but lower pH and bulk density than mudflat sediments. Sediment salinity, water content, total N, organic C, and available P decreased along a seaward gradient in the Spartina salt marsh and increased with vegetation biomass. Furthermore, the concentrations of trace elements and some metal elements in the sediment were higher under Spartina although these increases were not significant. Also, in the Spartina marsh, some heavy metals were concentrated in the surface layer of the sediment. The Spartina salt marsh in this study was only four years old; therefore, it is suggested that further study of this alien species on a longer time frame in the Jiangsu coastland should be carried out.
关键词Alien Species Biogeochemical Processes Intertidal Ecosystem Salt Marsh Spartina Alterniflora Loisel
学科领域Soil Science
收录类别SCI
语种英语
WOS研究方向Agriculture
WOS类目Soil Science
WOS记录号WOS:000253269100009
引用统计
被引频次:13[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/2943
专题植物化学与西部植物资源持续利用国家重点实验室
作者单位1.Nanjing Univ, Sch Life Sci, Nanjing 210093, Peoples R China
2.Chinese Acad Sci, Kunming Inst Bot, Kunming 650204, Peoples R China
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Zhou Hong-Xia,Liu Jin-E,Zhou Jun,et al. Effect of an alien species Spartina alterniflora Loisel on biogeochemical processes of intertidal ecosystem in the Jiangsu coastal region, China[J]. PEDOSPHERE,2008,18(1):77-85.
APA Zhou Hong-Xia,Liu Jin-E,Zhou Jun,&Qin Pei.(2008).Effect of an alien species Spartina alterniflora Loisel on biogeochemical processes of intertidal ecosystem in the Jiangsu coastal region, China.PEDOSPHERE,18(1),77-85.
MLA Zhou Hong-Xia,et al."Effect of an alien species Spartina alterniflora Loisel on biogeochemical processes of intertidal ecosystem in the Jiangsu coastal region, China".PEDOSPHERE 18.1(2008):77-85.
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