兰州大学机构库 >生命科学学院
Responses of alpine meadow seed bank and vegetation to nine consecutive years of soil fertilization
Ma, Zhen1; Ma, Miaojun1; Baskin, Jerry M.2; Baskin, Carol C.2,3; Li, Junyong1; Du, Guozhen1
2014-09
Source PublicationECOLOGICAL ENGINEERING   Impact Factor & Quartile Of Published Year  The Latest Impact Factor & Quartile
ISSN0925-8574
Volume70Pages:92-101
AbstractDecline in aboveground species diversity in response to nutrient enrichment has been demonstrated by many studies. However, information on the soil seed bank also is important for restoration of species-rich vegetation, but this subject has received little attention. The aim of this study was to investigate the relationship between the aboveground vegetation and the soil seed bank of an alpine meadow along a fertilization gradient that can germinate in spring. We determined species richness, density, life form and functional groups in the soil seed bank and in the aboveground vegetation along an N-P fertilization gradient from 0 to Fer(120) (120 g/m(2); i.e. 25.4 g N and 28.2 P m(2)/yr). Non-metric multidimensional scaling was used to test the similarity between soil seed bank and aboveground vegetation. Species richness of both soil seed bank and vegetation declined in response to 9 years of fertilization, but rate of decline in the seed bank was slower than that in the vegetation. Seed density did not differ along the fertilization gradient except for Fer(30), which had the highest seed density. Plant density in the vegetation declined along the fertilization gradient. Proportion of annuals increased both in the vegetation and the soil seed bank along a fertilization gradient. Percentage of different functional groups in the soil seed bank changed but less than that in the vegetation. The similarity between soil seed bank and vegetation increased from Fer(0) to Fer(90) and then decreased in Fern. Fertilization influenced species composition of the soil seed bank, but the effect was smaller than that on the aboveground vegetation. The seed bank present in spring provides high species richness and high seed densities for restoration, but restoration to the non-fertilized state would be difficult due to the shift to a higher proportion of annuals and to a low proportion of sedges along the fertilization gradient. (C) 2014 Elsevier B.V. All rights reserved.
KeywordAlpine meadow Fertilization Similarity Soil seed bank Tibetan Plateau Vegetation
Subject AreaEnvironmental Sciences & Ecology ; Engineering
PublisherELSEVIER
DOI10.1016/j.ecoleng.2014.04.009
Publication PlaceAMSTERDAM
Indexed BySCIE ; EI ; BIOSIS
Language英语
First Inst
Funding Project国家自然科学基金项目 ; 高等学校博士学科点专项科研基金
Project NumberNatural Science Foundation of China [40930533, 41101527] ; Research Fund for the Doctoral Program of Higher Education of China [20110211120026]
WOS IDWOS:000340652100011
Funding OrganizationNSFC ; MOE
SubtypeArticle
EI ID20142217764504
BIOSIS IDBIOSIS:PREV201400650939
Department[Ma, Zhen;
Ma, Miaojun;
Li, Junyong;
Du, Guozhen] Lanzhou Univ, Sch Life Sci, State Key Lab Grassland Agroecosyst, Lanzhou 730000, Gansu, Peoples R China;
[Baskin, Jerry M.;
Baskin, Carol C.] Univ Kentucky, Dept Biol, Lexington, KY 40506 USA;
[Baskin, Carol C.] Univ Kentucky, Dept Plant & Soil Sci, Lexington, KY 40506 USA
Citation statistics
Document Type期刊论文
Identifierhttps://ir.lzu.edu.cn/handle/262010/115496
Collection生命科学学院
Corresponding AuthorMa, Miaojun
Affiliation
1.Lanzhou Univ, Sch Life Sci, State Key Lab Grassland Agroecosyst, Lanzhou 730000, Gansu, Peoples R China
2.Univ Kentucky, Dept Biol, Lexington, KY 40506 USA
3.Univ Kentucky, Dept Plant & Soil Sci, Lexington, KY 40506 USA
Recommended Citation
GB/T 7714
Ma, Zhen,Ma, Miaojun,Baskin, Jerry M.,et al. Responses of alpine meadow seed bank and vegetation to nine consecutive years of soil fertilization[J]. ECOLOGICAL ENGINEERING,2014,70:92-101.
APA Ma, Zhen,Ma, Miaojun,Baskin, Jerry M.,Baskin, Carol C.,Li, Junyong,&Du, Guozhen.(2014).Responses of alpine meadow seed bank and vegetation to nine consecutive years of soil fertilization.ECOLOGICAL ENGINEERING,70,92-101.
MLA Ma, Zhen,et al."Responses of alpine meadow seed bank and vegetation to nine consecutive years of soil fertilization".ECOLOGICAL ENGINEERING 70(2014):92-101.
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