| 生物炭添加对湿地植物生长及氧化应激响应的影响 |
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| 引用本文： | 黄磊,陈玉成,赵亚琦,肖广全,杨志敏.生物炭添加对湿地植物生长及氧化应激响应的影响[J].环境科学,2018,39(6):2904-2910. |
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| 作者姓名： | 黄磊 陈玉成 赵亚琦 肖广全 杨志敏 |
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| 作者单位： | 西南大学资源环境学院;农村清洁工程重庆市工程研究中心 |
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| 基金项目： | 国家自然科学基金项目（51408493） |
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| 摘 要： | 在传统潜流人工湿地中,因氧气扩散过低,导致DO长期处于较低水平.当湿地植物长期处于缺氧甚至厌氧环境时,可造成膜脂质过氧化及蛋白质和DNA损伤.由于生物炭投加至人工湿地利于空气扩散进入湿地床体,改善湿地内部环境,为此,本试验在温室内构建5组潜流人工湿地,研究生物炭对湿地植物菖蒲(Acorus calamus L.,AC)的影响特征和机制.结果表明,生物炭能够显著增加湿地中AC体内光合色素含量,光合作用被激励,利于植物体内可溶性蛋白(SP)的积累和植物生物量的增加,同时生物炭能加强谷氨酰胺合酶(GS)的活力,增强植物体内氨氮(NH_4~+-N)的代谢,进而增强AC的比吸收速率,利于AC吸收去除NH_4~+-N.AC是一类对缺氧条件具有显著抵抗能力的湿地植物,但湿地长期缺氧或厌氧能对AC体内造成膜脂被氧化的不良影响,但生物炭添加能够缓解AC体内超氧化物和过氧化物的积累,显著降低AC体内丙二醛(MDA)的含量.
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| 关 键 词： | 生物炭 潜流人工湿地 菖蒲 植物生长 氧化应激响应 |
| 收稿时间： | 2018/1/7 0:00:00 |
| 修稿时间： | 2018/2/5 0:00:00 |
Influence of Biochar Application on Growth and Antioxidative Responses of Macrophytes in Subsurface Flow Constructed Wetlands |
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| HUANG Lei,CHEN Yu-cheng,ZHAO Ya-qi,XIAO Guang-quan and YANG Zhi-min.Influence of Biochar Application on Growth and Antioxidative Responses of Macrophytes in Subsurface Flow Constructed Wetlands[J].Chinese Journal of Environmental Science,2018,39(6):2904-2910. |
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| Authors: | HUANG Lei CHEN Yu-cheng ZHAO Ya-qi XIAO Guang-quan and YANG Zhi-min |
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| Institution: | College of Resources and Environment, Southwest University, Chongqing 400715, China;Chongqing Engineering Research Center of Rural Cleaning, Chongqing 400716, China,College of Resources and Environment, Southwest University, Chongqing 400715, China;Chongqing Engineering Research Center of Rural Cleaning, Chongqing 400716, China,College of Resources and Environment, Southwest University, Chongqing 400715, China;Chongqing Engineering Research Center of Rural Cleaning, Chongqing 400716, China,College of Resources and Environment, Southwest University, Chongqing 400715, China;Chongqing Engineering Research Center of Rural Cleaning, Chongqing 400716, China and College of Resources and Environment, Southwest University, Chongqing 400715, China;Chongqing Engineering Research Center of Rural Cleaning, Chongqing 400716, China |
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| Abstract: | |
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| Keywords: | biochar subsurface flow constructed wetland Acorus calamus L plant growth antioxidative response |
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