Arid
DOI10.1038/srep36300
Effects of sedimentation on soil physical and chemical properties and vegetation characteristics in sand dunes at the Southern Dongting Lake region, China
Pan, Ying1; Zhang, Hao2; Li, Xu3,4; Xie, Yonghong3,4
通讯作者Xie, Yonghong
来源期刊SCIENTIFIC REPORTS
ISSN2045-2322
出版年2016
卷号6
英文摘要

Sedimentation is recognized as a major factor determining the ecosystem processes of lake beaches; however, the underlying mechanisms, especially in freshwater sand dunes, have been insufficiently studied. To this end, nine belt transects from nine freshwater sand dunes, classified into low (<23.7 m), medium (25.4-26.0 m), and high-elevation groups (>28.1 m) based on their elevations in 1972, were sampled to investigate differences in sedimentation rate and soil and vegetation characteristics in Southern Dongting Lake, China. Sedimentation rate, soil sand content, and soil pH increased, whereas soil clay, fine silt, moisture (MC), organic matter (OM), total N, and total K content, in addition to the growth and biodiversity of sand dune plants generally decreased with decreasing belt transect elevation. Regression analyses revealed that the negative effects of sedimentation on the ecosystem functions of sand dunes could be attributed to higher fine sand content in deposited sediments and stronger inhibition of plant growth. These results are consistent with previous studies performed in coastal sand dunes, which highlights the importance of sedimentation in determining ecological processes.


类型Article
语种英语
国家Peoples R China
收录类别SCI-E
WOS记录号WOS:000386980900001
WOS关键词PRIMARY SUCCESSION ; WATER ; COMMUNITIES ; MORPHOLOGY ; BURIAL ; FOREST ; RESPONSES ; WETLANDS ; BIOMASS ; DESERT
WOS类目Multidisciplinary Sciences
WOS研究方向Science & Technology - Other Topics
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/196358
作者单位1.Yunnan Univ, Sch Ecol & Environm Sci, Kunming 650031, Peoples R China;
2.Yunnan Normal Univ, Sch Life Sci, Kunming 650500, Peoples R China;
3.Chinese Acad Sci, Inst Subtrop Agr, Dongting Lake Stn Wetland Ecosyst Res, Changsha 410125, Hunan, Peoples R China;
4.Chinese Acad Sci, Key Lab Agroecol Proc Subtrop Reg, Inst Subtrop Agr, Changsha 410125, Hunan, Peoples R China
推荐引用方式
GB/T 7714
Pan, Ying,Zhang, Hao,Li, Xu,et al. Effects of sedimentation on soil physical and chemical properties and vegetation characteristics in sand dunes at the Southern Dongting Lake region, China[J],2016,6.
APA Pan, Ying,Zhang, Hao,Li, Xu,&Xie, Yonghong.(2016).Effects of sedimentation on soil physical and chemical properties and vegetation characteristics in sand dunes at the Southern Dongting Lake region, China.SCIENTIFIC REPORTS,6.
MLA Pan, Ying,et al."Effects of sedimentation on soil physical and chemical properties and vegetation characteristics in sand dunes at the Southern Dongting Lake region, China".SCIENTIFIC REPORTS 6(2016).
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