但是海洋中浮游动物每天的垂直运动——夜里上浮以寻找食物，白天下潜以躲避捕食者——也可以被视作迁徒。
But daily vertical movements by zooplankton in the ocean—upward by night to seek food, downward by day to escape predators—can also be considered migration.
与城市相比大不相同：随着岩石的升高而形成的垂直生态系统内，不同水平生活着不同的动物。
The city comparison isn't far off: different animals live at different levels within the vertical habitat provided by the stone high-rises.
运用垂直平均值的浮游生物模型研究了在一个固定站和扩展湾流体系中，浮游植物、浮游动物和营养盐的季节变化。
The seasonal variation of phytoplankton zooplankton and nutrients at a fixed station and in the extended Gulf Stream system are studied by using a vertically averaged plankton model respectively.
综合分析表明，转双抗虫基因741杨对节肢动物群落垂直结构具有一定的正面效应。
So, transgenic insect-resistance hybrid poplar 741 showed positive effect on vertical structure of arthropod community.
所以海底的这些动物要从海底游到海面来享用生长在海面的浮游生物，这被称为垂直迁移。
So these animals have to travel from the ocean's depths toward its upper layers to feast on the phytoplankton growing there. We call this the vertical migration.
浮游植物密度与浮游动物的昼夜垂直移动关系不密切。
The diel vertical migration of zooplankton was irrelevant to the phytoplankton density.
原生动物在氧化塘中具有垂直分布特点。
There were vertical distribution characteristics in the lagoons.
根据能量消耗的理由，论文指出庞大的蜥脚类动物更有可能倾向于水平进食，而不是垂直进食。
It argues that giant sauropods most probably preferred to feed horizontally, rather than vertically, on the grounds of energy cost.
本文从功能团和营养层的角度研究了节肢动物群落在垂直分布上的变化。
The vertical distribution of arthropod community in peach garden was studied from the perspective of guilds and nutrient classes in this paper.
垂直分布显示大型土壤动物具明显的表聚现象。
The vertical distribution of soil macrofauna had obvious surface assembly.
油菜田中主要节肢动物的垂直结构呈聚集型分布，其在油菜上的分布部位主要同物种对寄主营养需求相关。
Vertical structure of arthropod communities which appeared aggregated distribution was related with the demand of species to nutrition of autoeciousness.
土壤动物具有表聚性，但是在不同季节，由于受气候条件、土壤环境、人为因素的影响，土壤动物的垂直分布有明显变化。
The soil mesofauna tends to gather on soil surface, but the vertical migrating greatly varies in different seasons affected by climate condition, edatope, artificial factor and so on.
其他的恐龙专家也有类似的理由，认为长颈蜥脚类动物不大可能拥有一个足够大的心脏从而使它能够长时间地进行垂直进食。
Other dino specialists have likewise argued that long-necked sauropods were unlikely to have had a heart that was big enough to enable it to feed vertically for much of the time.
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.
澳大利亚生物进化生物学家罗杰西摩做了一个模仿试验，模仿一个庞大的蜥脚类动物把头垂直抬高需要多少的血压。
Australian evolutionary biologist Roger Seymour did a simulation of how much blood pressure a gigantic sauropod would need in order to place its head vertically.
周丛原生动物的垂直分布基本与周丛藻类的垂直分布相一致。
The vertical distributions of periphytic protozoan basically accorded with those of periphytic algae.
运用垂直平均值的浮游生物模型研究了在一个固定站和扩展湾流体系中，浮游植物、浮游动物和营养盐的季节变化。
The seasonal variation of phytoplankton, zooplankton and nutrients at a fixed station and in the Extended Gulf Stream System are studied by using a vertically averaged plankton model, respectively.
文本根据浮游介形类的昼夜垂直分布和分层调查资料，阐述浮游介形类的垂直结构，这是介形动物在漫长的历史过程中对环境适应的另一表征。
Vertical structure of planktonic Ostracoda distribution in China Seas is described according to the data derived from the depth depended sampling in those seas.
文本根据浮游介形类的昼夜垂直分布和分层调查资料，阐述浮游介形类的垂直结构，这是介形动物在漫长的历史过程中对环境适应的另一表征。
Vertical structure of planktonic Ostracoda distribution in China Seas is described according to the data derived from the depth depended sampling in those seas.
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