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Effects of the decomposing liquid of Cladophora oligoclona on Hydrilla verticillata turion germination and seedling growth
Zhang, Lu1,2; Peng, Xue2; Liu, Biyun2; Zhang, Yi2; Zhou, Qiaohong2; Wu, Zhenbin1,2
2018-08-15
Source PublicationECOTOXICOLOGY AND ENVIRONMENTAL SAFETY
ISSN0147-6513
Volume157Pages:81-88
AbstractExcessive proliferation of filamentous green algae (FGA) has been considered an important factor resulting in the poor growth or even decline of submerged macrophytes. However, there is a lack of detailed information regarding the effect of decaying FGA on submerged macrophytes. This study aimed to investigate whether the decomposing liquid from Cladophora oligoclona negatively affects Hydrilla verticillata turion germination and seedling growth. The results showed that the highest concentrations of decomposing liquid treatments inhibited the turion germination rate, which was the lowest than other treatments, at only 84%. The chlorophyll a fluorescence (JIP test) and physiological indicators (chlorophyll a content, soluble sugars, Ca2+/Mg2+-ATPase and PAL activity) were also measured. The chlorophyll a content in the highest concentration (40% of original decomposing liquid) treatment group decreased by 43.53% than that of the control; however, soluble sugars, Ca2+/Mg2+-ATPase, and PAL activity increased by 172.46%, 271.19%, and 26.43% respectively. The overall results indicated that FGA decay has a considerable effect on submerged macrophyte turion germination and seedling growth, which could inhibit their expansion and reproduction. This study emphasized the need to focus on effects of FGA decomposition on the early growth stages of submerged macrophytes and offered technological guidance for submerged vegetation restoration in lakes and shallow waters.
SubtypeArticle
KeywordCladophora Oligoclona Decomposing Liquid Germination Hydrilla Verticillata Seedling Growth
DOI10.1016/j.ecoenv.2018.03.062
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
Indexed BySCI
Funding OrganizationMajor Science and Technology Program for Water Pollution Control and Treatment of China 12th Five Year Plan(2012ZX07101007-005) ; Major Science and Technology Program for Water Pollution Control and Treatment of China 12th Five Year Plan(2012ZX07101007-005) ; State Key Laboratory of Freshwater Ecology and Biotechnology(2017FB05) ; State Key Laboratory of Freshwater Ecology and Biotechnology(2017FB05) ; Major Science and Technology Program for Water Pollution Control and Treatment of China 12th Five Year Plan(2012ZX07101007-005) ; Major Science and Technology Program for Water Pollution Control and Treatment of China 12th Five Year Plan(2012ZX07101007-005) ; State Key Laboratory of Freshwater Ecology and Biotechnology(2017FB05) ; State Key Laboratory of Freshwater Ecology and Biotechnology(2017FB05)
Language英语
WOS Research AreaEnvironmental Sciences & Ecology ; Toxicology
WOS SubjectEnvironmental Sciences ; Toxicology
WOS KeywordSUBMERGED MACROPHYTES ; POTAMOGETON-CRISPUS ; FLUORESCENCE ; L. ; PHOTOSYNTHESIS ; MICROCYSTIS ; COMMUNITIES ; LEAVES ; STRESS ; BLOOMS
WOS IDWOS:000431835400009
Funding OrganizationMajor Science and Technology Program for Water Pollution Control and Treatment of China 12th Five Year Plan(2012ZX07101007-005) ; Major Science and Technology Program for Water Pollution Control and Treatment of China 12th Five Year Plan(2012ZX07101007-005) ; State Key Laboratory of Freshwater Ecology and Biotechnology(2017FB05) ; State Key Laboratory of Freshwater Ecology and Biotechnology(2017FB05) ; Major Science and Technology Program for Water Pollution Control and Treatment of China 12th Five Year Plan(2012ZX07101007-005) ; Major Science and Technology Program for Water Pollution Control and Treatment of China 12th Five Year Plan(2012ZX07101007-005) ; State Key Laboratory of Freshwater Ecology and Biotechnology(2017FB05) ; State Key Laboratory of Freshwater Ecology and Biotechnology(2017FB05)
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/50869
Collection水环境工程研究中心
Affiliation1.Wuhan Univ Technol, Sch Resource & Environm Engn, Wuhan 930070, Hubei, Peoples R China
2.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Lu,Peng, Xue,Liu, Biyun,et al. Effects of the decomposing liquid of Cladophora oligoclona on Hydrilla verticillata turion germination and seedling growth[J]. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY,2018,157:81-88.
APA Zhang, Lu,Peng, Xue,Liu, Biyun,Zhang, Yi,Zhou, Qiaohong,&Wu, Zhenbin.(2018).Effects of the decomposing liquid of Cladophora oligoclona on Hydrilla verticillata turion germination and seedling growth.ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY,157,81-88.
MLA Zhang, Lu,et al."Effects of the decomposing liquid of Cladophora oligoclona on Hydrilla verticillata turion germination and seedling growth".ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 157(2018):81-88.
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