Knowledge Resource Center for Ecological Environment in Arid Area
Primary succession of algal community structure in desert soil | |
Hu, CX; Liu, YD | |
通讯作者 | Liu, YD |
来源期刊 | ACTA BOTANICA SINICA
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ISSN | 0577-7496 |
出版年 | 2003 |
卷号 | 45期号:8页码:917-924 |
英文摘要 | The microbiotic crust study is among new focuses in investigating on the desertification control. Based on determination of algal crusts with different successive ages (4-, 8-, 17-, 34-, 42-year-old) and unconsolidated sand in the desert area, species composition and clustering analyses were carried out in this study. Results on successional orientation revealed that (1) the abundance of Cyanophyta, specially of Scytonema javanicum gradually decreased; (2) the abundance of Chlorophyta, Bacillariophyta and a species of Cyanophyta, Phormidium tenue increased; (3) the biodiversity increased gradually with the community succession; and (4) biomass of microalgae increased at the early stage, but decreased at the later stage due to the abundance of lichens and mosses. But, the speed of natural succession was so slow that the community-building species was still the first dominant species after 42 years, except that its dominant degree decreased just slightly. However, successive speed and trend were affected by water, vegetation coverage, terrain, time and soil physico-chemical properties as well, especially Mn content in the soil appeared to have a threshold effect. |
英文关键词 | desert soil algae community structure primary succession |
类型 | Article |
语种 | 英语 |
国家 | Peoples R China |
收录类别 | SCI-E |
WOS记录号 | WOS:000184913500006 |
WOS关键词 | PRIMARY COLONIZATION ; CRUSTS ; AREA |
WOS类目 | Biochemistry & Molecular Biology ; Plant Sciences |
WOS研究方向 | Biochemistry & Molecular Biology ; Plant Sciences |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/143947 |
作者单位 | (1)Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China;(2)NW Normal Univ, Coll Life Sci, Lanzhou 730070, Peoples R China |
推荐引用方式 GB/T 7714 | Hu, CX,Liu, YD. Primary succession of algal community structure in desert soil[J],2003,45(8):917-924. |
APA | Hu, CX,&Liu, YD.(2003).Primary succession of algal community structure in desert soil.ACTA BOTANICA SINICA,45(8),917-924. |
MLA | Hu, CX,et al."Primary succession of algal community structure in desert soil".ACTA BOTANICA SINICA 45.8(2003):917-924. |
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