浮游

Three principles, i.e., minimus, integrated and standard rules, are proposed for studies of the strategy of marine phytoplankton sampling and analysis in China's coastal waters.

中文摘要：从理论上对于海洋浮游植物在生态系统动力学中的监测与调查方法进行初步探讨。

Abundance and species number were low in the nearshore than in the offshore of the East China Sea, because most of the pelagic mollusc are offshore water species.

浮游软体动物作为一种偏大洋性的种类，在外海的数量和种类分布要远高于近海。

Based on the data of four seasonal investigations in Yangtze River estuary (28°00'-32°00'N, 122°00'-123°30'E) from the year 2002 to 2003, the distribution pattern of pelagic mollusc, the seasonal changes of total abundance and the species composition were analyzed. Furthermore, environmental adaptation of dominant species was deduced through scatter plot of abundance and temperature-salinity.

根据2002-2003年长江口28°00'-2°00'N、122°00'-123°30'E海域4个季节的海洋调查资料，运用定量、定性方法，探讨了长江口邻近海域浮游软体动物总丰度的平面分布、季节变化、种类组成及优势种的环境适应类型。

Where in the evening the tall grasses crested with white flowers invite the moonbeam to float upon their waves.

黄昏的时候，长草顶着白花，邀月光在长草的波浪上浮游。

The results show that they fee d on a variety of prey items, and tend to eat Calanoida, Brachyura Zoea larva, H arpacticoida and Nauplius.

结果表明黄鳍刺虎鱼前期幼鱼为浮游动物食性，主要摄食镖蚤类、短尾类幼体、猛蚤类和甲壳类的六肢幼体。

The effects of immobilized microbes including Rhodospirillaceae, Bacillus, Nitrobacteria and denitrifying bacteria on the changes in species, quantity and biomass of algae and zooplankton in aquiculture water and on the physicochemical environmental factors, such as nitrogen, were studied.

研究了固定化微生物(含有光合细菌、芽胞杆菌、硝化细菌以及反硝化细菌)对养殖水体中藻类和浮游动物的种类、数量、生物量以及水体氮素等理化环境的影响。

Red tide creatures are mainly planktonic algae, such as pyrrhophyta, bacillariophyta, flagellates and noctiluca scintillans, etc.

赤潮生物主要是浮游的藻类，如甲藻类，硅藻类，鞭毛藻类，夜光藻等。

Species of Chlorophyta, Cyanophyta and Chrysophyta, were also found. Skeletonema costatum prevailed cross\|season in the whole investigation period, while some others, seasonally, such as Noctiluca scientillans and Prorocentrum dentatum in spring, Proboscia alata f.

浮游植物优势物种以可形成链状群体的物种为主，中肋骨条藻在长江口水域全年都具有较高的优势度，另外还有季节性的优势种，春季的夜光藻和具齿原甲藻，夏季的细长翼鼻状藻Proboscia alata f。

The feeding and excretion of three little fishes (Hemiculter. leucisculus, Tilapia. aurea and Cirrhinus. molitorelld) was studied and their effect on water quality of Qiankeng reservoir in Shenzhen City Around the topdown effect of fish was also studied. Based on the analysis of their stomach contents, their diet composition was assayed. The three fishes" feeding rhythm in cage and their rate of digestion indoor were looked into, and their daily ration was estimated through the method of daily average fullness index. Using the spectrophotometer, the content of chlorophyll a in the stomach was measured, and the feasibility of taking the chlorophyll a as an index of measuring the feeding of fish on phytoplankton was studied. Adopting the national standard method, the effect of the three fishes" excretion on total nitrogen, total phosphorus, CODMn, pH, turbidity and conductivity coefficient was surveyed. The effect of feeding and excretion offish on water quality was discussed and the results revealed as follows:H.

围绕鱼类的下行效应，本文以深圳茜坑水库三种小型鱼类Hemiculter leucisculus罗非鱼Tilapia.aurea和鲮鱼Cirrhmus.molitorella为研究对象，以胃含物分析为基础，分析了三种鱼类的食物组成；调查了网箱中自然状态下三种鱼的摄食节律，在室内调查了三种鱼的食物消化速率，运用日平均饱满指数法计算出三种鱼的日粮；采用分光光度法测定了鱼体肠叶绿素含量，探讨了叶绿素作为鱼类对浮游植物摄食量衡量指标的可行性；采用国家标准的水质测量方法，测定了鱼类排泄对总氮、总磷、高锰酸盐指数、pH、浊度和电导率的影响量。

The results suggest that omnivorous tilapia can promote periphyton shifting to phytoplankton.

研究结果显示，杂食性的罗非鱼可以促进系统的附着藻类向浮游植物转化。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。