对浮游生物能下沉多深的疑问使人们质疑这个方法在长期内的有效性。
Doubts about how deep the plankton would sink have raised questions on how permanent a solution it would be.
在赤道上升流区,浮游植物的生产力很少有季节性变化。
In the equatorial upwelling zone, there is very little seasonal change in phytoplankton productivity.
一种似乎具有很大收获可能性的微小的虾状浮游生物被称为鳞虾。
One type of plankton that seems to have great harvest possibilities is a tiny shrimp-like creature called krill.
一旦条件成熟,浮游植物种群数量会呈爆炸性增长,这一现象被称为水华。
When conditions are right, phytoplankton populations can grow explosively, a phenomenon known as a bloom.
所以,鱼类用眼睛来定位浮游生物,而水母依靠身体的尺寸,就像狮子的鬃毛一样,水母那长达37米的卷须,大大增加了它捕食成功的可能性。
So where fishes use their eyes to spot planktonic prey, jellyfishes rely on body size—like the lion's mane jellyfish's 37-meter-long tentacles—to maximize their success.
下一“章”:浮游植物的重要性。
此外,不像Chromatium okenii等一类紫色浮游细菌,其细胞具有高度游动性Schlegeland Pfennig 1961;van Gemerden andMas 1995Fryx1只是弱能动性。
Moreover, unlike planktonic purple bacteria such as Chromatium okenii, whose cells are highly motile (Schlegel and Pfennig 1961; van Gemerden and Mas 1995), strain Fryx1 is only weakly motile.
研究表明,池塘细菌的生长与COD、水温以及浮游动物的生物量呈正相关,而与浮游植物的生物量相关性不十分明显;
The results showed that bacterial growth was positively correlated to water temperature. COD and zooplankton biomass, but it did not directly correlated with phytoplankton biomass.
因此,所获浮游动物中,多数优势种类是广盐性种类。而且,从上游至下游各站位的种类数和个体数随着氯度的增高而减少。
The number of species and total individuals of zooplankton decrease with the increasing chlorinity from the upper to the lower reach.
在长江口外应用围隔生态系实验方法,研究了富磷与浮游植物生物量的相关性以及浮游植物对磷吸收的种间竞争。
The correlation between the excess phosphate and biomass of phytoplankton and species composition was studied by mesocosm experiments in the water of Changjiang River Estuary.
在研究水体氮、磷含量的基础上,确定了磷为浮桥河水库浮游植物生长的限制性因子。
The phosphorus was determined as the limiting factor for the growth of phytoplankton by comparing the concentrations of nitrogen and phosphorus of the water body.
同时还模拟了水库中氮、磷输入量的增加对浮游藻类的影响,结果表明流溪河水库中磷是限制性营养盐。
Simulations of algal response to increases of nitrogen and phosphorus loads demonstrated that the algal growth was limited by phosphorus in the reservoir.
在阐述浮游植物的荧光性基础上,提出了用光纤技术及荧光法实时测量海藻浓度及其分布的一种有效方法。
On the basis of relating the phytoplankton fluorescence, an efficient method about the real-the measurement of algae consistency and mapping is presented.
结果表明,中华哲水蚤对浮游植物的选择性摄食具有食物密度依赖性。
The results showed that the selective feeding behavior of C. sinicus was dependent on food density.
利用“水下全自动数字显微成像仪”拍摄了水中的浮游生物图像,介绍了仪器性能和拍摄结果,并对仪器用于赤潮预测预报的可能性作了探讨。
The paper introduces the capability of the "Automatic Underwater Digital Microcamera System" and its imaging products, and then discusses the possibility of using the system for forecasting red tide.
丰水期浮游植物多样性指数大于平水期。
Diversity index of phytoplankton in flood period is higher than that in dry period.
同时,与其相邻的东山湾的浮游动物的分布状况作了比较性剖析。
In addition, in Jiuzhen Bay compacted analysis on distribution of zooplankton between Jiuzhen Bay and neighbouring Dongshan Bay which two were discussed.
对实验室配制的混合浮游植物样品的测量结果证明了上述三种浮游植物分类测量方法的可行性。
The analysis results of mixed phytoplankton cultures which are prepared in laboratory proved the feasibility of the three classified determining methods.
另一部分是周期性爆发的浮游动物(如长尾类、歪尾类的幼体)和一些潟湖本地种类。
The other source is the native lagoon species, such as periodical outbreak zooplankton (e. g. larvae of macrura, brachyura and anomura) and some endemic planktonic species;
与此相关,春季和秋季鱼类群聚均发生了显著变化,海洋性鱼类和浮游生物食性鱼类在群落中比重分别有所增加。
In correspondence, fish assemblage characteristics in both May and November had changed significantly, while marine and planktivorous fish became relatively more important in fish assemblages.
并对物种间的相关性和浮游生物与水质间的相关性进行了分析。
The correlations between the wetland species and between the plankton and water quality were also analyzed.
并对物种间的相关性和浮游生物与水质间的相关性进行了分析。
The correlations between the wetland species and between the plankton and water quality were also analyzed.
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