兰州大学机构库 >生命科学学院
Seasonal dynamics in alpine meadow seed banksalong an altitudinal gradient on the Tibetan Plateau
Ma, MJ(马妙君); Zhou, XH; Wang, G(王刚); Ma, Z; Du, GZ(杜国祯); Du, GZ (reprint author), Lanzhou Univ, Minist Educ, Key Lab Arid & Grassland Ecol, S Tianshui Rd 222, Lanzhou 730000, Gansu, Peoples R China.
2010-11
Source PublicationPLANT AND SOIL
ISSN0032-079X
Volume336Issue:1-2Pages:291-302
AbstractWe studied seasonal dynamics of seed banks along an altitudinal gradient in three alpine meadows on the Tibetan Plateau, as well as seed size distribution relative to depth. Seed bank density and species richness decreased significantly with altitude increase in both April and July. The highest elevations showed highest seed bank depletion. Although species composition of the vegetation changed along the altitudinal gradient, seed bank composition was almost unvaried from April to July. This indicated that seed bank density has an obvious seasonal change but composition does not. We found a low degree of similarity between the species composition of vegetation and of the seed bank along the whole gradient, and this similarity decreased with altitude increase. These suggest that the role of the seed bank decreased gradually with altitude increase. The hypothesis that a species seed bank strategy is an inherited trait was not confirmed because for some species seed bank strategy changed with altitude. We found that persistent seed banks were the most frequent strategy at all three altitudes. Species with persistent seeds tended to have smaller seeds than those with transient seeds only in highest altitude, while the other two altitudes did not show difference. There was no trend in seed size distribution with altitudes and soil depths.
KeywordAlpine Meadow Altitude Seed Size Soil Seed Bank Strategy Vegetation
Subject AreaAgriculture ; Plant Sciences
PublisherSPRINGER
DOI10.1007/s11104-010-0480-5
Publication PlaceDORDRECHT
Indexed BySCIE ; BIOSIS
Language英语
First Inst
Funding Project国家自然科学基金项目
Project NumberNational Natural Science Foundation of China [40930533, 30770360]
WOS IDWOS:000283367600026
Funding OrganizationNSFC
SubtypeArticle
BIOSIS IDBIOSIS:PREV201000640306
Department[Ma, Miaojun;
Zhou, Xianhui;
Wang, Gang;
Ma, Zhen;
Du, Guozhen] Lanzhou Univ, Minist Educ, Key Lab Arid & Grassland Ecol, Lanzhou 730000, Gansu, Peoples R China
Citation statistics
Cited Times:40[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.lzu.edu.cn/handle/262010/114936
Collection生命科学学院
Corresponding AuthorDu, GZ (reprint author), Lanzhou Univ, Minist Educ, Key Lab Arid & Grassland Ecol, S Tianshui Rd 222, Lanzhou 730000, Gansu, Peoples R China.
Recommended Citation
GB/T 7714
Ma, MJ,Zhou, XH,Wang, G,et al. Seasonal dynamics in alpine meadow seed banksalong an altitudinal gradient on the Tibetan Plateau[J]. PLANT AND SOIL,2010,336(1-2):291-302.
APA Ma, MJ,Zhou, XH,Wang, G,Ma, Z,Du, GZ,&Du, GZ .(2010).Seasonal dynamics in alpine meadow seed banksalong an altitudinal gradient on the Tibetan Plateau.PLANT AND SOIL,336(1-2),291-302.
MLA Ma, MJ,et al."Seasonal dynamics in alpine meadow seed banksalong an altitudinal gradient on the Tibetan Plateau".PLANT AND SOIL 336.1-2(2010):291-302.
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