| 罗非鱼池塘养殖周期沉积物理化指标的变化规律研究(英文) |
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| 引用本文： | 裘丽萍,李志波,宋超,张聪,郑尧,孙博,陈家长.罗非鱼池塘养殖周期沉积物理化指标的变化规律研究(英文)[J].农业科学与技术,2016(3). |
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| 作者姓名： | 裘丽萍 李志波 宋超 张聪 郑尧 孙博 陈家长 |
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| 作者单位： | 1. 中国水产科学研究院淡水渔业研究中心中国水产科学研究院内陆渔业生态环境和资源重点开放实验室,江苏无锡,214081;2. 南京农业大学无锡渔业学院,江苏无锡,214081;3. 中国水产科学研究院淡水渔业研究中心中国水产科学研究院内陆渔业生态环境和资源重点开放实验室,江苏无锡214081; 南京农业大学无锡渔业学院,江苏无锡214081 |
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| 基金项目： | Fundamental Research Funds in Central Public Welfare Research Institutes(2015JBFM28),National Agriculture Industrial Technology (CARS-49).基金项目中央级公益性科研院所基本科研业务费"太湖流域养殖池塘底质营养盐的沉积规律研究"(2015JBFM28);国家农业产业技术体系项目"罗非鱼产业技术体系"(CARS-49)。 |
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| 摘 要： | 为给开展养殖池塘营养环境的平衡机制研究提供基础资料,定期采集罗非鱼池塘养殖过程中沉积物样品并检测各类营养物质含量,分析罗非鱼养殖池塘沉积物理化指标的周期变化规律。研究结果表明,沉积物干重、TP、TN及TOC含量大体都呈先升后降趋势,其中7～9月为各营养物质的主要产生时段,其百,分比例都接近总量的80%。NH_4~+-N的含量随时间逐渐升高,在8月上旬达到峰值,之后基本在峰值水平。各塘沉积物的NO_2~--N含量在养,殖前期基本相等,中期较前期明显降低且各塘出现较大差异性,后期升高。
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| 关 键 词： | 罗非鱼 沉积物 理化指标 变化规律 |
Changing Rule of Physical and Chemical Indicators of Sediment in Tilapia Aquaculture Ponds |
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| Abstract: | To provide basic information for studying balancing mechanism of nutrition environment in aquaculture ponds, sediment samples were col ected periodical y dur-ing the breeding process of tilapia in ponds. Then various types of nutrient content of the samples were detected and the changing rule was summarized. The results showed that dry weight of the sediment and content of TP, TN and TOC general y presented a trend of first increasing and then decreasing. The main production peri-od of each nutrient was from July to September and the production percentage was close to 80% of the total production. The content of NH4+-N increased gradual y and reached a peak in early August, then maintained at the peak level. NO2--N content of the sediment in each pond was basical y the same in the earlier aqua-culture stage and decreased in middle stage with a big difference, then rose again in the later stage. |
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| Keywords: | Tilapia Sediment Physical and chemical indicators Changing rule |
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