Arid
DOI10.1023/A:1023023702248
The effects of sand stabilization and revegetation on cryptogam species diversity and soil fertility in the Tengger Desert, Northern China
Li, XR; Zhou, HY; Wang, XP; Zhu, YG; O’Conner, PJ
通讯作者Zhu, YG
来源期刊PLANT AND SOIL
ISSN0032-079X
出版年2003
卷号251期号:2页码:237-245
英文摘要

Cryptogamic crusts have long been regarded as important components of desert ecosystems. In order to reduce and combat the hazards of sandstorm and desertification, it is critical to conserve cryptogamic crusts in arid desert and semiarid regions. In this study, we characterized soil physical and chemical properties after revegetation on sanddunes stabilized with straw checkerboard. Revegetation accelerated the improvement of environmental conditions leading to the establishment and propagation of cryptogams on sanddunes in the Tengger desert region. Since revegetation began 44 years ago, 24 species of algae and 5 species of moss have established on fixed sanddunes in the Shapotou region in the northwest of China, but no lichens have been observed. Algal cover and species richness were found to be positively correlated with soil pH, contents of silt and clay, concentrations of HCO3-, Cl-, SO42-, Mg2+, soil organic carbon and N contents (p < 0.01), but were only weakly correlated with concentration of Ca2+, electrical conductivity (EC) and potassium content (K2O). The number of species and cover of mosses were positively correlated with soluble K+ and Na+ but no other relationships were apparent. The percent sand in composition of soil particle sizes, and soil bulk density were both negatively correlated to species number and cover for both cryptogam organisms. This study represents a successful example of restoration of cryptogam species diversity in arid desert regions.


英文关键词algae cryptogamic crust cryptogamic diversity moss revegetation Tengger desert
类型Article
语种英语
国家Peoples R China ; Australia
收录类别SCI-E
WOS记录号WOS:000182007100006
WOS关键词EASTERN AUSTRALIA ; CRUSTS
WOS类目Agronomy ; Plant Sciences ; Soil Science
WOS研究方向Agriculture ; Plant Sciences
来源机构中国科学院西北生态环境资源研究院
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/145647
作者单位(1)Chinese Acad Sci, Dept Soil Environm Sci, Res Ctr Ecoenvironm Sci, Beijing 100084, Peoples R China;(2)Chinese Acad Sci, Shapotou Desert Res & Expt Stn, Cold & Arid Reg Environm & Engn Inst, Lanzhou 730000, Peoples R China;(3)Univ Adelaide, Dept Soil & Water, Glen Osmond, SA 5064, Australia
推荐引用方式
GB/T 7714
Li, XR,Zhou, HY,Wang, XP,et al. The effects of sand stabilization and revegetation on cryptogam species diversity and soil fertility in the Tengger Desert, Northern China[J]. 中国科学院西北生态环境资源研究院,2003,251(2):237-245.
APA Li, XR,Zhou, HY,Wang, XP,Zhu, YG,&O’Conner, PJ.(2003).The effects of sand stabilization and revegetation on cryptogam species diversity and soil fertility in the Tengger Desert, Northern China.PLANT AND SOIL,251(2),237-245.
MLA Li, XR,et al."The effects of sand stabilization and revegetation on cryptogam species diversity and soil fertility in the Tengger Desert, Northern China".PLANT AND SOIL 251.2(2003):237-245.
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