The Biomass and Physiological Responses of Vallisneria natans (Lour.) Hara to Epiphytic Algae and Different Nitrate-N Concentrations in the Water Column
文献类型:期刊论文
作者 | Min, Fenli1,2; Zuo, Jincheng3; Zhang, Yi1; Lin, Qingwei1,2; Liu, Biyun1; Sun, Jian1,2; Zeng, Lei1,2; He, Feng1; Wu, Zhenbin1 |
刊名 | WATER |
出版日期 | 2017-11-01 |
卷号 | 9期号:11页码:16 |
ISSN号 | 2073-4441 |
关键词 | Vallisneria natans (Lour) Hara Nitrate-N epiphytic algae physiological response biomass stress |
DOI | 10.3390/w9110863 |
英文摘要 | Increasing N concentration and the high density of epiphytic algae are both key factors leading to the decline of submerged macrophytes in many eutrophic lakes. In order to investigate the impacts of increased nitrate-N concentration and the growth of epiphytic algae on the decline of submerged vegetation, we conducted a 2 x 4 factorial experiment with the submerged macrophyte Vallisneria natans (Lour.) Hara by measuring the biomass of plants and some physiological indexes in leaves of V. natans under four nitrate-N concentrations in the water column (0.5, 2.5, 5, and 10 mg/L) and two epiphytic groups (epiphytic algae group and no epiphytic algae group). The results suggested that epiphytic algae could impose adverse effects on the biomass accumulation of V. natans, while the increasing nitrate-N concentration (0.5-10 mg/L) could oppositely promote this process and counteract the adverse effect of epiphytic algae. When nitrate-N concentration was 5 mg/L, the total chlorophyll content in leaves of V. natans in the epiphytic algae group was prominently lower compared with the no epiphytic algae group, while MDA, free proline, and anti-oxidant enzyme (SOD, POD, CAT) activities were significantly higher. Overhigh nitrate-N concentration in the water column also directly imposed adverse effects on the physiology of V. natans. When nitrate-N concentration was over 5 mg/L, the total chlorophyll content and free proline decreased in the no epiphytic algae group, while soluble carbohydrates and soluble proteins decreased when nitrate-N was over 2.5 mg/L. Meanwhile, epiphytic algae and nitrate-N content imposed a synergetic effect on the anti-oxidant enzyme activities of V. natans. When nitrate-N concentration was over 5 mg/L, SOD, POD, and CAT activities kept constant or decreased, which indicated that the oxidation resistance of V. natans was inhibited by stress. Our results indicate that epiphytic algae and increasing nitrate-N concentration in the water column could severally or synergistically impose adverse effects on the physiology of submerged macrophytes and are both key factors leading to the decline of submerged macrophytes. |
WOS关键词 | SUBMERGED MACROPHYTES ; SHALLOW LAKES ; PHOSPHORUS CONCENTRATIONS ; MYRIOPHYLLUM-SPICATUM ; MESOCOSM EXPERIMENT ; AQUATIC VEGETATION ; SPECIES RICHNESS ; OXIDATIVE STRESS ; NITROGEN-SOURCES ; PLANT BIOMASS |
资助项目 | Major Science and Technology Program for Water Pollution Control and Treatment of China 12th Five-Year Plan[2012ZX07101007-005] ; Hubei Provincial Natural Science Foundation of China[2014CFB282] ; State Key Laboratory of Freshwater Ecology and Biotechnology[2017FB05] ; Knowledge Innovation Program of the Chinese Academy of Sciences |
WOS研究方向 | Water Resources |
语种 | 英语 |
出版者 | MDPI AG |
WOS记录号 | WOS:000416798300049 |
资助机构 | Major Science and Technology Program for Water Pollution Control and Treatment of China 12th Five-Year Plan ; Major Science and Technology Program for Water Pollution Control and Treatment of China 12th Five-Year Plan ; Major Science and Technology Program for Water Pollution Control and Treatment of China 12th Five-Year Plan ; Major Science and Technology Program for Water Pollution Control and Treatment of China 12th Five-Year Plan ; Major Science and Technology Program for Water Pollution Control and Treatment of China 12th Five-Year Plan ; Major Science and Technology Program for Water Pollution Control and Treatment of China 12th Five-Year Plan ; Major Science and Technology Program for Water Pollution Control and Treatment of China 12th Five-Year Plan ; Major Science and Technology Program for Water Pollution Control and Treatment of China 12th Five-Year Plan ; Hubei Provincial Natural Science Foundation of China ; Hubei Provincial Natural Science Foundation of China ; Hubei Provincial Natural Science Foundation of China ; Hubei Provincial Natural Science Foundation of China ; Hubei Provincial Natural Science Foundation of China ; Hubei Provincial Natural Science Foundation of China ; Hubei Provincial Natural Science Foundation of China ; Hubei Provincial Natural Science Foundation of China ; State Key Laboratory of Freshwater Ecology and Biotechnology ; State Key Laboratory of Freshwater Ecology and Biotechnology ; State Key Laboratory of Freshwater Ecology and Biotechnology ; State Key Laboratory of Freshwater Ecology and Biotechnology ; State Key Laboratory of Freshwater Ecology and Biotechnology ; State Key Laboratory of Freshwater Ecology and Biotechnology ; State Key Laboratory of Freshwater Ecology and Biotechnology ; State Key Laboratory of Freshwater Ecology and Biotechnology ; Knowledge Innovation Program of the Chinese Academy of Sciences ; Knowledge Innovation Program of the Chinese Academy of Sciences ; Knowledge Innovation Program of the Chinese Academy of Sciences ; Knowledge Innovation Program of the Chinese Academy of Sciences ; Knowledge Innovation Program of the Chinese Academy of Sciences ; Knowledge Innovation Program of the Chinese Academy of Sciences ; Knowledge Innovation Program of the Chinese Academy of Sciences ; Knowledge Innovation Program of the Chinese Academy of Sciences ; Major Science and Technology Program for Water Pollution Control and Treatment of China 12th Five-Year Plan ; Major Science and Technology Program for Water Pollution Control and Treatment of China 12th Five-Year Plan ; Major Science and Technology Program for Water Pollution Control and Treatment of China 12th Five-Year Plan ; Major Science and Technology Program for Water Pollution Control and Treatment of China 12th Five-Year Plan ; Major Science and Technology Program for Water Pollution Control and Treatment of China 12th Five-Year Plan ; Major Science and Technology Program for Water Pollution Control and Treatment of China 12th Five-Year Plan ; Major Science and Technology Program for Water Pollution Control and Treatment of China 12th Five-Year Plan ; 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Hubei Provincial Natural Science Foundation of China ; Hubei Provincial Natural Science Foundation of China ; Hubei Provincial Natural Science Foundation of China ; State Key Laboratory of Freshwater Ecology and Biotechnology ; State Key Laboratory of Freshwater Ecology and Biotechnology ; State Key Laboratory of Freshwater Ecology and Biotechnology ; State Key Laboratory of Freshwater Ecology and Biotechnology ; State Key Laboratory of Freshwater Ecology and Biotechnology ; State Key Laboratory of Freshwater Ecology and Biotechnology ; State Key Laboratory of Freshwater Ecology and Biotechnology ; State Key Laboratory of Freshwater Ecology and Biotechnology ; Knowledge Innovation Program of the Chinese Academy of Sciences ; Knowledge Innovation Program of the Chinese Academy of Sciences ; Knowledge Innovation Program of the Chinese Academy of Sciences ; Knowledge Innovation Program of the Chinese Academy of Sciences ; Knowledge Innovation Program of the Chinese Academy of Sciences ; Knowledge Innovation Program of the Chinese Academy of Sciences ; 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源URL | [http://ir.ihb.ac.cn/handle/342005/30120] |
专题 | 水生生物研究所_水环境工程研究中心_期刊论文 |
通讯作者 | Liu, Biyun; He, Feng |
作者单位 | 1.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.Ludong Univ, Sch Life Sci, Yantai 264025, Peoples R China |
推荐引用方式 GB/T 7714 | Min, Fenli,Zuo, Jincheng,Zhang, Yi,et al. The Biomass and Physiological Responses of Vallisneria natans (Lour.) Hara to Epiphytic Algae and Different Nitrate-N Concentrations in the Water Column[J]. WATER,2017,9(11):16. |
APA | Min, Fenli.,Zuo, Jincheng.,Zhang, Yi.,Lin, Qingwei.,Liu, Biyun.,...&Wu, Zhenbin.(2017).The Biomass and Physiological Responses of Vallisneria natans (Lour.) Hara to Epiphytic Algae and Different Nitrate-N Concentrations in the Water Column.WATER,9(11),16. |
MLA | Min, Fenli,et al."The Biomass and Physiological Responses of Vallisneria natans (Lour.) Hara to Epiphytic Algae and Different Nitrate-N Concentrations in the Water Column".WATER 9.11(2017):16. |
入库方式: OAI收割
来源:水生生物研究所
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