Arid
DOI10.1007/s00468-010-0422-0
Seedlings of the semi-shrub Artemisia ordosica are resistant to moderate wind denudation and sand burial in Mu Us sandland, China
Li, Shou-Li1,2,4; Werger, Marinus J. A.2; Zuidema, Pieter A.2; Yu, Fei-Hai1,3; Dong, Ming1
通讯作者Dong, Ming
来源期刊TREES-STRUCTURE AND FUNCTION
ISSN0931-1890
出版年2010
卷号24期号:3页码:515-521
英文摘要

Sand movement is a common stress for plants in dune ecosystems. Seedlings in such an environment often experience various degrees of denudation or burial. A field experiment was conducted with Artemisia ordosica, a dominant semi-shrub species in Mu Us sandland, China, to test seedling survival and growth under different degrees of denudation and burial. Seedlings from two cohorts with height of 5.0 +/- A 0.02 cm (S1) and 9.3 +/- A 0.09 cm (S2) were selected and randomly subjected to three denudation treatments (2.5, 5, and 10 cm), five burial treatments (2.5, 5, 7.5, 10, and 15 cm), or a control. S2 seedlings had a higher survivorship than S1 seedlings, especially under severe denudation (10 cm) and complete burial (5 cm in S1; 10 cm in S2). Seedling survivorship was unaffected by moderate burial (< 5 cm in S1; < 10 cm in S2) or denudation (< 10 cm), but it was significantly reduced under complete burial or severe denudation. Seedling growth in leaf area, height, and biomass only declined in severe denudation or complete burial. Seedling burial led to higher biomass investment in shoots, while the reverse was the case in denudation. The results indicate A. ordosica is highly tolerant to moderate burial and denudation, showing adaptive responses that likely increase survival. Differences in responses between seedling cohorts suggest that large seedling size is beneficial for successful establishment in sandy environments and measures to prevent severe denudation and burial of recently germinated seedlings are necessary in attempts to restore steppe vegetations.


英文关键词Artemisia ordosica Dunes Sand burial Sand denudation Seedling size Shrub
类型Article
语种英语
国家Peoples R China ; Netherlands
收录类别SCI-E
WOS记录号WOS:000277645700013
WOS关键词BIOMASS ALLOCATION ; AMMOPHILA-BREVILIGULATA ; RESOURCE-ALLOCATION ; SEED-GERMINATION ; CAKILE-EDENTULA ; GROWTH ; DUNE ; SURVIVAL ; DESERT ; ADAPTATIONS
WOS类目Forestry
WOS研究方向Forestry
来源机构中国科学院植物研究所 ; 北京林业大学
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/166565
作者单位1.Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Beijing 100093, Peoples R China;
2.Univ Utrecht, Inst Environm Biol, Ecol & Biodivers Grp, NL-3508 Utrecht, Netherlands;
3.Beijing Forestry Univ, Coll Nat Conservat, Beijing 100083, Peoples R China;
4.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
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GB/T 7714
Li, Shou-Li,Werger, Marinus J. A.,Zuidema, Pieter A.,et al. Seedlings of the semi-shrub Artemisia ordosica are resistant to moderate wind denudation and sand burial in Mu Us sandland, China[J]. 中国科学院植物研究所, 北京林业大学,2010,24(3):515-521.
APA Li, Shou-Li,Werger, Marinus J. A.,Zuidema, Pieter A.,Yu, Fei-Hai,&Dong, Ming.(2010).Seedlings of the semi-shrub Artemisia ordosica are resistant to moderate wind denudation and sand burial in Mu Us sandland, China.TREES-STRUCTURE AND FUNCTION,24(3),515-521.
MLA Li, Shou-Li,et al."Seedlings of the semi-shrub Artemisia ordosica are resistant to moderate wind denudation and sand burial in Mu Us sandland, China".TREES-STRUCTURE AND FUNCTION 24.3(2010):515-521.
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