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Facilitative and Inhibitory Effect of Litter on Seedling Emergence and Early Growth of Six Herbaceous Species in an Early Successional Old Field Ecosystem
Joint Authors
Li, Qiang
Yu, Pujia
Chen, Xiaoying
Li, Guangdi
Zhou, Daowei
Zheng, Wei
Source
Issue
Vol. 2014, Issue 2014 (31 Dec. 2014), pp.1-11, 11 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2014-07-01
Country of Publication
Egypt
No. of Pages
11
Main Subjects
Medicine
Information Technology and Computer Science
Abstract EN
In the current study, a field experiment was conducted to examine effects of litter on seedling emergence and early growth of four dominant weed species from the early successional stages of old field ecosystem and two perennial grassland species in late successional stages.
Our results showed that increased litter cover decreased soil temperature and temperature variability over time and improved soil moisture status.
Surface soil electrical conductivity increased as litter increased.
The increased litter delayed seedling emergence time and rate.
The emergence percentage of seedlings and establishment success rate firstly increased then decreased as litter cover increased.
When litter biomass was below 600 g m−2, litter increased seedlings emergence and establishment success in all species.
With litter increasing, the basal diameter of seedling decreased, but seedling height increased.
Increasing amounts of litter tended to increase seedling dry weight and stem leaf ratio.
Different species responded differently to the increase of litter.
Puccinellia tenuiflora and Chloris virgata will acquire more emergence benefits under high litter amount.
It is predicted that Chloris virgata will dominate further in this natural succession old field ecosystem with litter accumulation.
Artificial P.
tenuiflora seeds addition may be required to accelerate old field succession toward matured grassland.
American Psychological Association (APA)
Li, Qiang& Yu, Pujia& Chen, Xiaoying& Li, Guangdi& Zhou, Daowei& Zheng, Wei. 2014. Facilitative and Inhibitory Effect of Litter on Seedling Emergence and Early Growth of Six Herbaceous Species in an Early Successional Old Field Ecosystem. The Scientific World Journal،Vol. 2014, no. 2014, pp.1-11.
https://search.emarefa.net/detail/BIM-1048273
Modern Language Association (MLA)
Li, Qiang…[et al.]. Facilitative and Inhibitory Effect of Litter on Seedling Emergence and Early Growth of Six Herbaceous Species in an Early Successional Old Field Ecosystem. The Scientific World Journal No. 2014 (2014), pp.1-11.
https://search.emarefa.net/detail/BIM-1048273
American Medical Association (AMA)
Li, Qiang& Yu, Pujia& Chen, Xiaoying& Li, Guangdi& Zhou, Daowei& Zheng, Wei. Facilitative and Inhibitory Effect of Litter on Seedling Emergence and Early Growth of Six Herbaceous Species in an Early Successional Old Field Ecosystem. The Scientific World Journal. 2014. Vol. 2014, no. 2014, pp.1-11.
https://search.emarefa.net/detail/BIM-1048273
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1048273