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Effects of aluminate flocculant on turion germination and seedling growth of Potamogeton crispus
Lin, Qingwei1,2; Liu, Biyun1; Min, Fenli1,2; Zhang, Yi1; Ma, Jianmin3; He, Feng1; Zeng, Lei1,2; Dai, Zhigang4; Wu, Zhenbin1
Corresponding AuthorLiu, Biyun(liuby@ihb.ac.cn) ; He, Feng(hefeng@ihb.ac.cn)
2017-12-01
Source PublicationAQUATIC TOXICOLOGY
ISSN0166-445X
Volume193Pages:236-244
AbstractAluminate flocculants are employed widely in water treatment for precipitating suspended solids and emergency treatment of algal blooms in eutrophic lake, but the residual aluminum (Al) may have phytotoxic effects on aquatic organisms after entering aquatic ecosystems. To elucidate the potential impacts of Al on turion germination and early growth in Potamogeton crispus, we conducted a mesocosm experiment using five Al concentrations (0 (control group), 0.3, 0.6, 1.2, and 1.5 mg/L) in alum solutions. The results showed that the germination of turions and the early growth of P. crispus were reduced and inhibited by Al. The maximum numbers of germinating turions and newly-formed seedlings occurred in the control group, and their numbers declined in the end of the experiment as the Al concentration increased. Al at a concentration of 1.5 mg/L decreased the number of germinating turions 3.0 times and the number of newly-formed seedlings 30.7 times compared with the control. The chlorophyll content and root activity decreased when the Al concentration increased. The maximum soluble protein contents in seedling tissues (1.953 mg/g fresh weight) occurred in the 0.6 mg/L treatment group, which differed significantly from the other treatment groups. The Al contents in the seedling tissues had a significant positive correlation with the Al treatment concentrations (P < 0.05, r = 0.763), but negative correlations with the biomass, root number, stem weight, soluble protein, and root activity (r = -0.935, -0.975, -0.907, -0.721, -0.944, respectively). Persistent Al concentration 1.2 mg/L significantly decreased the germination of turions and seedling growth in P. crisp us. These results may facilitate the restoration of aquatic macrophytes and ecological risk assessments in Al-exposed lakes.
KeywordAl exposure Alum Phytotoxicity Potamogeton crispus Turion germination
DOI10.1016/j.aquatox.2017.10.029
Funding OrganizationMajor Science and Technology Program for Water Pollution Control and Treatment in the 12th Chinese Five-Year Plan ; Major Science and Technology Program for Water Pollution Control and Treatment in the 12th Chinese Five-Year Plan ; Major Science and Technology Program for Water Pollution Control and Treatment in the 12th Chinese Five-Year Plan ; Major Science and Technology Program for Water Pollution Control and Treatment in the 12th Chinese Five-Year Plan ; Major Science and Technology Program for Water Pollution Control and Treatment in the 12th Chinese Five-Year Plan ; Major Science and Technology Program for Water Pollution Control and Treatment in the 12th Chinese Five-Year Plan ; Major Science and Technology Program for Water Pollution Control and Treatment in the 12th Chinese Five-Year Plan ; Major Science and Technology Program for Water Pollution Control and Treatment in the 12th Chinese Five-Year Plan ; Major Science and Technology Program for Water Pollution Control and Treatment in the 12th Chinese Five-Year Plan ; Major Science and Technology Program for Water Pollution Control and Treatment in the 12th Chinese Five-Year Plan ; Major Science and Technology Program for Water Pollution Control and Treatment in the 12th Chinese Five-Year Plan ; Major Science and Technology Program for Water Pollution Control and Treatment in the 12th Chinese Five-Year Plan ; Major Science and Technology Program for Water Pollution Control and Treatment in the 12th Chinese Five-Year Plan ; Major Science and Technology Program for Water Pollution Control and Treatment in the 12th Chinese Five-Year Plan ; Major Science and Technology Program for Water Pollution Control and Treatment in the 12th Chinese Five-Year Plan ; Major Science and Technology Program for Water Pollution Control and Treatment in the 12th Chinese Five-Year Plan
Indexed BySCI ; SCI
Language英语
Funding ProjectMajor Science and Technology Program for Water Pollution Control and Treatment in the 12th Chinese Five-Year Plan[2012ZX07101007-005]
WOS Research AreaMarine & Freshwater Biology ; Toxicology
WOS SubjectMarine & Freshwater Biology ; Toxicology
WOS IDWOS:000417658800026
WOS KeywordACID SOILS ; AESTIVUM L. ; RICE ROOTS ; TOXICITY ; TOLERANCE ; PLANTS ; STRESS ; AL ; PHOSPHORUS ; MECHANISMS
PublisherELSEVIER SCIENCE BV
Funding OrganizationMajor Science and Technology Program for Water Pollution Control and Treatment in the 12th Chinese Five-Year Plan ; Major Science and Technology Program for Water Pollution Control and Treatment in the 12th Chinese Five-Year Plan ; Major Science and Technology Program for Water Pollution Control and Treatment in the 12th Chinese Five-Year Plan ; Major Science and Technology Program for Water Pollution Control and Treatment in the 12th Chinese Five-Year Plan ; Major Science and Technology Program for Water Pollution Control and Treatment in the 12th Chinese Five-Year Plan ; Major Science and Technology Program for Water Pollution Control and Treatment in the 12th Chinese Five-Year Plan ; Major Science and Technology Program for Water Pollution Control and Treatment in the 12th Chinese Five-Year Plan ; Major Science and Technology Program for Water Pollution Control and Treatment in the 12th Chinese Five-Year Plan ; Major Science and Technology Program for Water Pollution Control and Treatment in the 12th Chinese Five-Year Plan ; Major Science and Technology Program for Water Pollution Control and Treatment in the 12th Chinese Five-Year Plan ; Major Science and Technology Program for Water Pollution Control and Treatment in the 12th Chinese Five-Year Plan ; Major Science and Technology Program for Water Pollution Control and Treatment in the 12th Chinese Five-Year Plan ; Major Science and Technology Program for Water Pollution Control and Treatment in the 12th Chinese Five-Year Plan ; Major Science and Technology Program for Water Pollution Control and Treatment in the 12th Chinese Five-Year Plan ; Major Science and Technology Program for Water Pollution Control and Treatment in the 12th Chinese Five-Year Plan ; Major Science and Technology Program for Water Pollution Control and Treatment in the 12th Chinese Five-Year Plan
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Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/30078
Collection水环境工程研究中心_期刊论文
Corresponding AuthorLiu, Biyun; He, Feng
Affiliation1.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Henan Normal Univ, Sch Life Sci, Xinxiang 453007, Peoples R China
4.Sanyou Environm Technol Co Ltd, Changsha 410205, Hunan, Peoples R China
Recommended Citation
GB/T 7714
Lin, Qingwei,Liu, Biyun,Min, Fenli,et al. Effects of aluminate flocculant on turion germination and seedling growth of Potamogeton crispus[J]. AQUATIC TOXICOLOGY,2017,193:236-244.
APA Lin, Qingwei.,Liu, Biyun.,Min, Fenli.,Zhang, Yi.,Ma, Jianmin.,...&Wu, Zhenbin.(2017).Effects of aluminate flocculant on turion germination and seedling growth of Potamogeton crispus.AQUATIC TOXICOLOGY,193,236-244.
MLA Lin, Qingwei,et al."Effects of aluminate flocculant on turion germination and seedling growth of Potamogeton crispus".AQUATIC TOXICOLOGY 193(2017):236-244.
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