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题名: Development of artificially induced biological soil crusts in fields and their effects on top soil
作者: Wu, Yiwen1, 2; Rao, Benqiang1, 3; Wu, Peipei1, 2; Liu, Yongding1; Li, Genbao1; Li, Dunhai1
通讯作者: Li, GB (reprint author), Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, 7 Donghu South Rd, Wuhan 430072, Peoples R China.
关键词: Bioremediation ; Biological soil crusts growth ; Algal species ; Nitrogen ; Phosphorus
刊名: PLANT AND SOIL
发表日期: 2013-09-01
DOI: 10.1007/s11104-013-1611-6
卷: 370, 期:1-2, 页:115-124
收录类别: SCI
文章类型: Article
部门归属: [Wu, Yiwen ; Rao, Benqiang ; Wu, Peipei ; Liu, Yongding ; Li, Genbao ; Li, Dunhai] Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan 430072, Peoples R China ; [Wu, Yiwen ; Wu, Peipei] Univ Chinese Acad Sci, Beijing 100049, Peoples R China ; [Rao, Benqiang] Xinyang Normal Univ, Coll Life Sci, Xinyang 464000, Peoples R China
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
资助者: National Key Technology R&D Program of China [2009BAC54B01]; National Natural Science Foundation of China [41071041]; Inner Mongolia Development and Innovation Committee [30770395]; government of Wuhan City [30770395]; Chinese National Natural Sciences Foundation [30770395]
类目[WOS]: Agronomy ; Plant Sciences ; Soil Science
研究领域[WOS]: Agriculture ; Plant Sciences
摘要: Biological soil crusts (BSCs) could improve severe environment ecological conditions by increasing soil moisture, soil nitrogen concentration, and so on. In order to control desertification and recover the destroyed soil fertility utilizing a new means using BSCs, the soil surface was artificially inoculated with Microcoleus vaginatus and Scytonema javanicum. Relationships between the development of the artificially induced biological soil crusts and the distribution and dynamic changes of nitrogen and phosphorus in the soil crusts have been analyzed. Crusts of different ages were investigated by measuring soil physical and chemical factors, such as moisture, pH, total and available N content, and total and available P, which were correlated with the depths of the crusts. This study found that the types of color, shape, and species components of the algal crusts increased with crust development. Soil moisture, total N, available N, and available P increased gradually with crust growth. Soil with crusts was wetter than the controlled naked sandy soil, and a significant correlation was observed between biomass and total nitrogen (r = 0.946, P = 0.015). Soil pH was lower than that of control. The scytonemin on the soil surface was exceptionally higher than the other pigments, and all the pigments were mainly distributed at the soil surface level. Though the crusts were mainly distributed on soil surface, the available P was mainly stored below the crust layer. Pearson correlation tests indicated that artificially inoculated biological crusts could improve soil fertility and micro-environment of the top soil: The development of artificially induced BSCs was very well, and this was favorable to inducing the following crust succession.
英文摘要: Biological soil crusts (BSCs) could improve severe environment ecological conditions by increasing soil moisture, soil nitrogen concentration, and so on. In order to control desertification and recover the destroyed soil fertility utilizing a new means using BSCs, the soil surface was artificially inoculated with Microcoleus vaginatus and Scytonema javanicum. Relationships between the development of the artificially induced biological soil crusts and the distribution and dynamic changes of nitrogen and phosphorus in the soil crusts have been analyzed.
关键词[WOS]: BLUE-GREEN-ALGAE ; DESERT CRUSTS ; CHINA ; SCYTONEMIN ; DIVERSITY ; NITROGEN ; MICROORGANISMS ; CYANOBACTERIA ; EMERGENCE ; PIGMENT
语种: 英语
WOS记录号: WOS:000323253500009
ISSN号: 0032-079X
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/19592
Appears in Collections:水环境工程研究中心_期刊论文

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作者单位: 1.Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan 430072, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Xinyang Normal Univ, Coll Life Sci, Xinyang 464000, Peoples R China

Recommended Citation:
Wu, Yiwen; Rao, Benqiang; Wu, Peipei; Liu, Yongding; Li, Genbao; Li, Dunhai.Development of artificially induced biological soil crusts in fields and their effects on top soil,PLANT AND SOIL,2013,370(41276):115-124
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