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当前位置: 首页 > 文章 > 稻鱼共作对养殖池塘沉积物-水界面微观剖面理化性质的影响 中国水稻科学 2016,30 (6) 647-652
Position: Home > Articles > Impacts of Rice-Fish Co-culture on the Physical and Chemical Variables of the Microprofiles at Sediments-Water Interface in an Intensive-culture Pond Chinese Journal of Rice Science 2016,30 (6) 647-652

稻鱼共作对养殖池塘沉积物-水界面微观剖面理化性质的影响

作  者：
秦琳;刘耀斌;李凤博;冯金飞;吴殿星;方福平
单  位：
浙江大学;中国水稻研究所
关键词：
水稻;养殖池塘;沉积物-水界面;微电极;垂直剖面
摘  要：
采用微电极系统研究了黄颡鱼-水稻共作和黄颡鱼单养两种模式下沉积物-水界面基本理化性质的变化。研究结果表明,与黄颡鱼单养相比,黄颡鱼-水稻共作可使沉积物-水界面附近O2浓度下降速率减慢,O2渗透深度增加71.4%,并使界面Eh值升高,改善塘底沉积物-水界面厌氧状况;黄颡鱼-水稻共作降低了界面附近pH值,比黄颡鱼单养低约一个单位。以上研究结果表明,养殖池塘种植水稻改变了沉积物-水界面的微环境,可能会影响界面物质迁移转化过程。
译  名：
Impacts of Rice-Fish Co-culture on the Physical and Chemical Variables of the Microprofiles at Sediments-Water Interface in an Intensive-culture Pond
作  者：
QIN Lin;LIU Yao-bin;LI Feng-bo;FENG Jin-fei;WU Dian-xing;FANG Fu-ping;College of Agriculture and Biotechnology,Zhejiang University;China National Rice Research Institute;
关键词：
rice;;fish culture pond;;sediment-water interface;;microelectrode;;vertical profile
摘  要：
An experiment was carried out to investigate the physical and chemical variables in sediment-water interface of yellow catfish pond with and without rice planting.The results showed that rice-fish co-cultures slowed down the decrease of O2 concentration around the sediment-water interface,and increase the O2 penetration depths by 71.4%,comparing with fish monoculture pond.Additionally,rice-fish co-culture increased the Eh value,and improved the aerobic condition in the sediment of pond.Rice-fish co-culture also decreased the pH around sediment-water interface.The pH of rice-fish co-culture pond was lower than that of monoculture pond by one unit.These results indicated that rice growing changed the mocroenvironment of the sediment-water interface of fish pond,which may affect the migration and transformation of elements around this interface.

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