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Interspecific competition reveals Raphidiopsis raciborskii as a more successful invader than Microcystis aeruginosa

文献类型：期刊论文

作者Jia, Nannan1,3; Yang, Yiming4; Yu, Gongliang3; Wang, Yilang1,3; Qiu, Pengfei1,3; Li, Hua3; Li, Renhui2,3
刊名HARMFUL ALGAE
出版日期2020-07-01
卷号97页码:9
关键词Raphidiopsis raciborskii Microcystis aeruginosa Microbial competition Invasion success Morphological adaptation
ISSN号1568-9883
DOI10.1016/j.hal.2020.101858
通讯作者Li, Hua(lih@ihb.ac.cn) ; Li, Renhui(reli@ihb.ac.cn)
英文摘要As a successful invasive cyanobacterial species, Raphidiopsis raciborskii is distributed globally and shows a tendency to replace Microcystis aeruginosa in many subtropical and temperate waters, but the ecological traits that contribute to its invasiveness are still unclear. In this study, we found that R. raciborskii occurred in 149 sites in 42 lakes in eastern and central China and coexisted with M. aeruginosa at most sites. Based on field results, a combination of invasion and competition experiments using a biomass gradient to evaluate the invasiveness and competitiveness of R. raciborskii compared with M. aeruginosa was conducted. In invasive groups, both R. raciborskii and M. aeruginosa were shown to have positive specific growth rates, indicating that R. raciborskii could coexist with M. aeruginosa. Furthermore, R. raciborskii was shown to grow faster from invasion while M. aeruginosa reduced growth for invasion. In competitive groups, R. raciborskii reached a higher maximum biomass and grew longer than M. aeruginosa. The specific growth rate of R. raciborskii was not inhibited by M. aeruginosa biomass, whereas the growth of M. aeruginosa was inhibited by R. raciborskii biomass. It was shown during the whole experiment that R. raciborskii tended to replace M. aeruginosa to become dominant owing to its faster growth rate and the eventual decline in growth of M. aeruginosa. With an increase in biomass of M. aeruginosa, the vegetative cell size and filament length of R. raciborskii gradually increased. This study has demonstrated that the inherent invasive traits of R. raciborskii, size differences, niche differences, and relative fitness differences between R. raciborskii and M. aeruginosa are crucial reasons for the invasive success of R. raciborskii. Our results revealed the invasiveness and domination of R. raciborskii from a new perspective.
WOS关键词CYANOBACTERIUM CYLINDROSPERMOPSIS-RACIBORSKII ; SUBBA RAJU ; WOLOSZYNSKA SEENAYYA ; COLONY FORMATION ; ALGAL BLOOMS ; CLIMATE ; EUTROPHICATION ; TEMPERATURE ; MECHANISMS ; DOMINANCE
资助项目National Water Science and Technology Project[2017ZX07203-003] ; Featured Institute Service Project from Institute of Hydrobiology, Chinese Academy of Sciences[Y85Z061601]
WOS研究方向Marine & Freshwater Biology
语种英语
WOS记录号WOS:000555112000008
出版者ELSEVIER
资助机构National Water Science and Technology Project ; National Water Science and Technology Project ; National Water Science and Technology Project ; National Water Science and Technology Project ; Featured Institute Service Project from Institute of Hydrobiology, Chinese Academy of Sciences ; Featured Institute Service Project from Institute of Hydrobiology, Chinese Academy of Sciences ; Featured Institute Service Project from Institute of Hydrobiology, Chinese Academy of Sciences ; Featured Institute Service Project from Institute of Hydrobiology, Chinese Academy of Sciences ; National Water Science and Technology Project ; National Water Science and Technology Project ; National Water Science and Technology Project ; National Water Science and Technology Project ; Featured Institute Service Project from Institute of Hydrobiology, Chinese Academy of Sciences ; Featured Institute Service Project from Institute of Hydrobiology, Chinese Academy of Sciences ; Featured Institute Service Project from Institute of Hydrobiology, Chinese Academy of Sciences ; Featured Institute Service Project from Institute of Hydrobiology, Chinese Academy of Sciences ; National Water Science and Technology Project ; National Water Science and Technology Project ; National Water Science and Technology Project ; National Water Science and Technology Project ; Featured Institute Service Project from Institute of Hydrobiology, Chinese Academy of Sciences ; Featured Institute Service Project from Institute of Hydrobiology, Chinese Academy of Sciences ; Featured Institute Service Project from Institute of Hydrobiology, Chinese Academy of Sciences ; Featured Institute Service Project from Institute of Hydrobiology, Chinese Academy of Sciences ; National Water Science and Technology Project ; National Water Science and Technology Project ; National Water Science and Technology Project ; National Water Science and Technology Project ; Featured Institute Service Project from Institute of Hydrobiology, Chinese Academy of Sciences ; Featured Institute Service Project from Institute of Hydrobiology, Chinese Academy of Sciences ; Featured Institute Service Project from Institute of Hydrobiology, Chinese Academy of Sciences ; Featured Institute Service Project from Institute of Hydrobiology, Chinese Academy of Sciences
源URL[http://ir.ihb.ac.cn/handle/342005/38576]  
专题水生生物研究所_藻类生物学及应用研究中心_期刊论文
通讯作者Li, Hua; Li, Renhui
作者单位1.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
2.Wenzhou Univ, Coll Life & Environm Sci, Wenzhou 325039, Peoples R China
3.Chinese Acad Sci, Inst Hydrobiol, Key Lab Algal Biol, South Donghu Rd 7, Wuhan 430072, Peoples R China
4.Guangzhou Med Univ, Affiliated Stomatol Hosp, Guangzhou 510182, Peoples R China
推荐引用方式
GB/T 7714		 Jia, Nannan,Yang, Yiming,Yu, Gongliang,et al. Interspecific competition reveals Raphidiopsis raciborskii as a more successful invader than Microcystis aeruginosa[J]. HARMFUL ALGAE,2020,97:9.
APA Jia, Nannan.,Yang, Yiming.,Yu, Gongliang.,Wang, Yilang.,Qiu, Pengfei.,...&Li, Renhui.(2020).Interspecific competition reveals Raphidiopsis raciborskii as a more successful invader than Microcystis aeruginosa.HARMFUL ALGAE,97,9.
MLA Jia, Nannan,et al."Interspecific competition reveals Raphidiopsis raciborskii as a more successful invader than Microcystis aeruginosa".HARMFUL ALGAE 97(2020):9.

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来源：水生生物研究所

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