浮游动物
- 名zooplankton;plankton;animal plankton
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后生浮游动物的种类和数量均是以小个体为主,并且随着体重增大逐渐减少,而生物量则在4·39~8·78μg这一中等个体体重的位置上出现峰值。
Both species number and abundance of the metazoan zooplankton were dominated by the small-sized species , and decreased with body mass , while biomass distribution had a peak in the medium size class , 4.39 μ g to 8.78 μ g.
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黄海混合水区域虽然Chla浓度偏低,但DO饱和度较高,可能是浮游动物对浮游植物的摄食作用导致Chla的现存量低;剧烈的生物活动致使此区的pCO2处于欠饱和状态。
Although the Chla density is somewhat low in the Yellow Sea mixed water , but the DO saturation is high . The reason possibly is that zooplankton feeds on phytoplankton , resulting the low value of Chla existing .
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河流环境变得较适合纤毛类生物的生长,因而纤毛类成了浮游动物中占优势的群体。
The environment of the river becomes more suitable for ciliates , which form the dominant group of animal plankton .
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O3/H2O2法灭活水中剑水蚤类浮游动物
O_3 / H_2O_2 Oxidation Processes of Cyclops of Zooplankton Inactivation in Water
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浮游动物与浮游植物的现存量没有明显的相关关系(p>0.05),仅依靠浮游动物不能对浮游藻类进行有效的控制。
There was no pronounced relationship between the standing crops of zooplankton and of phytoplankton ( p > 0.05 ); so phytoplankton cannot be well controlled only depending on zooplankton .
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其他月份(7、8、9月)的浮游动物丰度与DMS、DMSPd、DMSPp浓度的相关性均不明显(p0.05)。
But in other months ( July , August , September ), the correlations were not significant ( p0.05 ) .
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整个海区100m以上水体的次级生产力平均为72.9mgC·m-2·d-1。同时计算了初级生产力与浮游动物的次级生产力的营养传递的效率,平均转化效率为18%。
The average transformation efficiency estimated from primary productivity and second productivity was 18 % .
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细菌密度与水温、COD、浮游动物生物量呈正相关,与浮游植物生物量无直接相关。
Bacterial density was positively correlated to water temperature , COD ( chemical Oxgen Demand ) and Zooplankton biomass , but it did not directly correlated with Phytoplankton biomass .
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1994年8月(夏季)和1995年2月(冬季),对25.00-26.50°N,122.00°E以西水域的浮游动物进行了2个航次调查。
In August of 1994 ( summer ) and February of 1995 ( winter ), surveyes of 2 cruises were carried out in the survey area to the west of 25.00-26 . 5 ° N , 122 . 00 ° E.
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实验结果表明配养鲢不仅在溶氧(DO)、化学需氧量(COD),总磷(TP)等方面明显改善了水质,而且还降低了浮游植物、浮游动物和浮游细菌的数量。
Results indicated that stocking of silver carps improved water quality obviously in respects of DO , COD and TP , and remarkably diminished phytoplankton , zooplankton and planktonic bacteria in the water .
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光合细菌P-3作为几种浮游动物与鱼类饵料添加剂的试验
The Experiment on Photosynthetic Bacteria P-3 as Feed Additive for Some Zooplanktons and Fishes
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运用灰色理论的系统分析模型研究叶绿素-b与水温、浮游动物、盐度、溶解氧、酸碱度、磷酸盐、亚硝酸盐、硝酸盐、铁和锰等10个海水理化因子间的关系。
The systematic analytical method of grey theory was used to study the relationships between chlorophyll-b and 10 environmental factors ( temperature , plankton biomass , salinity , dissolved oxygen ( Do ), pH , phosphate , nitrate , nitrite , Fe , and Mn ) in seawater .
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浮游动物年平均生物量为129mg·m-3,除秋季外,平面分布比较均匀。
The annual mean biomass was 129 mg · m ~ ( - 3 ) and distributed evenly in the surveyed areas except for autumn .
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鳀鱼摄食浮游动物,浮游动物的供应由NPZ模型计算。
The biomass of zooplankton is supplied by NPZ model .
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据Pearson相关性分析得知,丰度与生物量间存在着极显著的正相关关系,表明6条潮沟浮游动物生物量平面分布特点与丰度相似。
The abundance of zooplankton was positively correlated with the biomass according to Pearson correlation analysis , which showed that the horizontal distribution of biomass was similar to the abundance in the six tidal creeks . 3 .
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较高的浮游动物生物量对秋季东海中陆架区的底层颗粒物及POC通量有所贡献。
The higher biomass of plankton made great contribution to the flux of SPM and POC in the bottom layer in the middle continental shelf area in the East China Sea in autumn .
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研究一个浮游动物的数学模型,证明了无时滞的常微分方程是全局渐近稳定的,而有时滞的微分差分方程却有Hopf分支及非常数周期解。
By studying a mathematical model of plankton , this paper shows that the model without delay is globally asymptotically stable , but the same model with delay has a Hopf bifurcation , and has a non-constant periodic solution .
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根据IONESS系统对浮游动物的分层采样结果,研究浮游介形动物的昼夜垂直移动。
The diurnal vertical migration of planktonic Ostracoda is studied based on the analysis of stratified samples of zooplanktons in the IONESS system .
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大于1mm的甲壳动物个体频度为0.15、0.30、0.41.其体长随鱼产量的增加而缩小.最后,对影响东湖浮游动物群落结构的主要生态因子进行了讨论。
The frequency of large-sized crustacean ( > 1mm ) is respectively 0 . 15 , 0 . 30 and 0 . 41 , and its body length is shortened with the increase of fish yield . Ecological factors affecting the structure of zooplankton community are discussed .
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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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浮游动物的耐热性强于浮游植物,并存在种间差异,由于半致死温度(LT50)与自然适应水温的跨度较大,温排水造成的海域温升基本不影响受纳海域的浮游动物存活。
The tolerance of zooplankton is stronger than that of phytoplankton , which is different among species . Temperature elevation in receiving sea area generally has no impact on the survival of zooplankton because of the large span between semi-lethal temperature ( LT50 ) and natural living temperature .
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山东省东平湖浮游动物与富营养化防治
Zooplankton and Control of Eutrophication in Dongping Lake , Shandong Province
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根据调查所获得的样品,分析了浮游动物物种和量及其分布,以及浮游动物分布与环境因素之间的关系。
The relationship between zooplankton distribution and environmental conditions was discussed .
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有害赤潮藻对浮游动物影响的研究进展
Research advance in effects of harmful algal bloom species on zooplankton
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氯胺灭活水中剑水蚤类浮游动物的试验研究
Experimental research on chloramine inactivation of Cyclops of zooplankton in water
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枝角类和桡足类是淡水浮游动物的主要组成部分。
Cladocerans and copepods are two important components in freshwater zooplankton .
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模拟水动力对湖泊浮游动物群落演替的实验研究
Simulated experimental study on succession of zooplankton caused by water flow
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厦门港几种海洋浮游动物的肠含物色素分析
Gut Pigment Contents Analysis of Some Marine Zooplankton in Xiamen Harbour
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三峡库区重庆段水体浮游动物的分布与评价
Distribution and Assessment of Zooplankton from Three Gorges Reservoir in Chongqing
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沉积物再悬浮对浮游动物也有直接或间接的影响。
Sediment resuspension also has direct or indirect effects on zooplankton .