虾池
- 网络shrimp pond
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结果表明:台风气候对虾池生态系中COD的影响较大,台风发生时COD含量相对较高,台风前后相对较低;
The results showed that typhoon weather effected the content of COD in the ecological system of the shrimp pond more . Whatever density was , the content of COD was relatively high in typhoon period and low before or after typhoon .
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对虾池的放养密度对浮游生物群落的影响
The impact of stocking density on plankton community in shrimp pond
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适合于虾池细菌生长的pH值(9.2)偏碱性。
The pH value suitable for pond bacterial growth was alkaline ( 9.2 ) .
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该方法是一种适用于虾池沉积物总DNA提取的简便、可靠方法。
Therefore , this is a simple , reliable protocol to extract DNA from the shrimp pond sediments .
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以该DNA为模板进行PCR-DGGE分析,揭示了虾池沉积物丰富的微生物多样性。
In addition , the analysis of DGGE was done using the extracted DNA as template , indicating the abundant diversity of the sediments .
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通过对虾池内主要环境因子与对虾病毒病相关关系的研究,发现虾池内化学需氧量(COD)太高是诱发对虾病毒病暴发流行的主要环境因子之一。
There is a close relationship between COD and shrimp viral disease . COD is one of the important environmental conditions for breaking out shrimp epidemic virosis .
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也有的弧菌,如溶藻胶弧菌(Vibrioalginolyticus)可以作为有益菌在虾池中存在。
However , Some strains of Vibrio alginolyticus can be used as probiotics in cultural shrimp pool .
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结果表明,循环水养殖系统内虾池水层悬浮物数量、COD值、氨态氮和硝酸态氮含量比对照组对虾单养池明显降低(P<0·01)。
The results indicated that COD , the contents of suspension , ammoniated nitrogen and nitrated nitrogen were much lower than those of monoculture ponds ( P < 0.01 ) .
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采用现场定位观测实验研究方法,探讨高位虾池光化循环净水装置对养殖废水中3N的去除效应。
A spot observation method was used in discussing the photochemical reactivity for the treatment of marine aquaculture wastewater through a recirculated purity device .
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虾池底质中NH4~+-N、S~(2-)和异养细菌含量的变化及其相关性研究
Studies on variations of contents of NH_4 ~ + - N , S ~ ( 2 -) and heterotrophic bacteria in substrate of shrimp ponds and their correlations
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CO2气调保鲜对鱼体pH值及细菌总数的影响斑节对虾双季养成期间虾池水质和底泥细菌含量的变化
The Effect of Modified Atmosphere Preservation with Carbon Dioxide on the p Н Value and the Total Bacterial Counts of Fish . Variation of total bacterial number in pond water and bottom mud during the double-cropping adult culture of Penaeus monodon
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虾池中的氮主要以DON形态存在(59.76%),DIN,PN含量较少(9.37%和20.87%);
DON was the main existing form of nitrogen in shrimp ponds ( 57.76 % ), the contents of DIN and PN were lower ( 9.37 % and 20.87 % );
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采用吖啶橙荧光染色计数法和吸光度法,测定了不同温度、盐度、初始pH、溶解氧、接种量及不同培养基配方对虾池环境生物修复作用菌生长的影响。
Influences of temperature , salinity , pH , soluble oxygen , inoculation volume and composition of medium on the growth of functional bacteria in bioremediation of shrimp culture environment were studied with acridine orange direct count ( AODC ) and light absorption methods .
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B虾池对虾肠道可培养细菌数量比A虾池的少;但B虾池对虾肠道微生物群落Shannon指数、Simpson指数和McIntosh指数及其微生物群落代谢功能均显著高于A虾池(P<0.05)。
In the pond used the probiotic , the total counts of culturable bacteria were lower than that in control pond , while the Shannon index , Simpson index , McIntosh index and the function of carbon utilization of shrimp intestinal microflora increased significantly ( P < 0.05 ) .
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凡纳滨对虾淡化虾池透明度低,随着养殖时间的增加,COD(Mn)、NH3-Nt、NO2~&N缓慢升高,DO、pH先升后降,且日变化明显。
Transparency of desalting culture pond was lower during the culture period . COD_ ( Mn )、 NH_3-N_t , and NO_2 ~ & N increased slowly , while DO 、 pH increased firstly then decreased at the end of culture period , the daily variation of DO was also obviously .
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在虾池中取底泥作为筛选细菌的材料,通过选择性培养基的富集、分离和筛选,共得到了硝化细菌4株,分别为X1、X2、X3和X4;
The probiotic microbes were originally isolated from the mud in shrimp ponds , in which enrichment and selection were carried out by using selective culture medium . Eventually , 4 strains of nitrobacteria were obtained , numbered XI , X2 , X3 and X4 ;
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本文通过1990~1992年对黄骅沿海虾池中叶绿素a含量的监测及其变化的研究,反映了3a来虾池中叶绿素a含量的变化及其特征,揭示了叶绿素a含量与赤潮的关系。
Through a study on monitoring and variation of chlorophyll a content in the shrimp ponds along the coast of Huanghua reston during 1990-1992 , this paper reflectS its variations and characteristics in shrimp POnds during these three years and reveals the relation between its content and the red tide .
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发现采用对虾养殖池水与加铺1cm厚对虾池底泥的培育水中有种类繁多,生物量丰富的浮游植物、浮游动物、底栖生物。
It is indicated that there are many and complex species of phytoplankton , zooplankton and benthon in the culture water with 1 cm bottom soil from shrimp pond . The phytoplankton growth phase is properly regulated with photosynthetic bacteria and illumination .
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厦门潮间带泥滩和虾池小型底栖动物类群的丰度
Abundance of meiofauna on intertidal mudflat and shrimp ponds in Xiamen
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沉积物在虾池中的水平分布,养殖前期分布比较均一;
The sediment concentration distributed uniformly at the beginning of culture ;
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虾池有机污染物降解细菌的筛选
Selection of organic - pollutants - degrading bacteria in shrimp ponds
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河口区中国对虾池水化学状况
The hydrochemical state of water in Penaeus chinensis ponds alongshore Estuary
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不同种肥料对虾池浮游植物群落的影响
Effects of different fertilizers on phytoplankton community in a shrimp pond
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利用生物改善虾池底质试验
On Improvement of Bottom Quality of Prawn Pond by Living Things
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养虾池水层生物固氮作用的原位测定
In Situ Determination of Pelagic Nitrogen Fixation in Shrimp Culture Ponds
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高位虾池养殖过程浮游植物群落的演替
Succession of phytoplankton community in exalted shrimp ponds during culture process
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刺参虾池养殖技术虾池溶解有机碳动态分析
Kinetics Analysis of Dissolved Organic Carbon In Prawn Culture Pool
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芽孢杆菌制剂对虾池微生物群落以及对虾肠道菌群的影响
The Effect of Bacillus Probiotics on Microbial Communities and Shrimp Intestinal Microflora
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矩形虾池环流的流动特点与流动阻力
Flow Characteristics and Resistance of Circumfluence in Rectangle Shrimp Pond
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结果表明:所调查虾池浮游植物的碳同化数(以每克叶绿素计)平均为11。
The mean assimilation number of phytoplankton in the test ponds was11 .