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Allelopathic Interactions between the Opportunistic Species Ulva prolifera and the Native Macroalga Gracilaria lichvoides
Dong Xu1; Zhengquan Gao2; Xiaowen Zhang1; Xiao Fan1; Yitao Wang3; Demao Li4; Wei Wang1; Zhimeng Zhuang1; Naihao Ye1
2012
Source PublicationPLOS ONE
ISSN1932-6203
Volume7Issue:4
AbstractAllelopathy, one type of direct plant competition, can be a potent mechanism through which plant communities are structured. The aim of this study was to determine whether allelopathic interactions occur between the opportunistic green tide-forming species Ulva prolifera and the native macroalga Gracilaria lichvoides, both of which were collected from the coastline of East China sea. In laboratory experiments, the presence of G. lichvoides at 1.25 g wet weight L−1 significantly inhibited growth and photosynthesis of U. prolifera at concentrations of 1.25, 2.50, and 3.75 g wet weight L−1 (p<0.05) in both semi-continuous co-culture assays and in co-culture assays without nutrient supplementation. In contrast, although U. prolifera had a density effect on G. lichvoides, the differences among treatments were not significant (p>0.05). Culture medium experiments further confirmed that some allelochemicals may be released by both of the tested macroalgae, and these could account for the observed physiological inhibition of growth and photosynthesis. Moreover, the native macroalgae G. lichvoides was a stronger competitor than the opportunistic species U. prolifera. Collectively, the results of the present study represent a significant advance in exploring ecological questions about the effects of green tide blooms on the macroalgal community.
DOI10.1371/journal.pone.0033648
Indexed BySCI
Language英语
WOS Research AreaScience & Technology - Other Topics
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000305014500014
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Cited Times [WOS]:33   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionInstitute of Chinese Medical Sciences
Corresponding AuthorNaihao Ye
Affiliation1.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, Qingdao, Peoples R China
2.Shandong Univ Technol, Sch Life Sci, Zibo, Peoples R China
3.Qingdao Agr Univ, Coll Anim Sci & Technol, Qingdao, Peoples R China
4.Chinese Acad Sci, Tianjin Inst Ind Biotechnol, Tianjin Key Lab Ind Biol Syst & Bioproce Engn, Tianjin, Peoples R China
Recommended Citation
GB/T 7714
Dong Xu,Zhengquan Gao,Xiaowen Zhang,et al. Allelopathic Interactions between the Opportunistic Species Ulva prolifera and the Native Macroalga Gracilaria lichvoides[J]. PLOS ONE,2012,7(4).
APA Dong Xu.,Zhengquan Gao.,Xiaowen Zhang.,Xiao Fan.,Yitao Wang.,...&Naihao Ye.(2012).Allelopathic Interactions between the Opportunistic Species Ulva prolifera and the Native Macroalga Gracilaria lichvoides.PLOS ONE,7(4).
MLA Dong Xu,et al."Allelopathic Interactions between the Opportunistic Species Ulva prolifera and the Native Macroalga Gracilaria lichvoides".PLOS ONE 7.4(2012).
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