查询词典 zooplankton

In the periods of peak zooplankton abundance, that is, in the late spring and in the summer, Haney recorded maximum daily community g razing rates, for nutrient-poor lakes and bog lakes, respectively, of 6.6 percent and 114 percent of daily phytoplankton production.

3+ 在浮游动物数量激增的高峰期，亦即在春季后期以及夏季，哈尼记录了最大程度上的每日群落食草比率，对于营养物不充足的湖和沼泽湖而言，分别为每日浮游植物繁殖量的6.6%和114%。

Newly spawned widows feed on krill and copepods, while older species feed in the water column on gelatinous zooplankton, crab, some amphipods, krill, and small fishes.

新生成的遗孀饲料 krill 和桡足类，而凝胶浮游动物、蟹、 amphipods、 krill 及小鱼上的水列中的较旧的物种饲料。

Marine copepods are kinds of small crustacean zooplankton,and are high quality food for larviculture of marine fishes.

摘 要：海洋桡足类作为小型甲壳动物，是鱼虾类良好的天然饵料，其繁殖和培养将在现代海水养殖业中发挥重要的作用。

Among the water insect distribution, the most found species was zooplankton, and the dragonfly and damselfly were the next. There were 16 families and 22 geniuses of insects found in Ba-Lein and Lau-Mai rivers.

根据现场勘查，八连与老梅溪中之水栖昆虫中以蜉蝣为最多，其次为蜻蜓、豆娘、水黾、石蝇、等共16科22属，生物多样性指数介於1.4~3.5之间，并且有由下游至上游渐增的趋势。

Ostracods, whose abundance was equal to 3.47% in the total zooplankton, only being lower Copepods and Decapods in pelagic Crustacean, was an important pelagic animal.

东海北部外海四季均有介形类高丰度区出现，但在东海北部近海长江口及其邻近舟山水域，介形类数量相对较低。

According to the rate of occurrence and the average biomass, 33 species of phytoplankton, 34 species of zooplankton and 6 species of zoobenthods were the important species in the inland saline waters in North China.

根据出现率和平均生物量，有33种浮游植物、34种浮游动物和6种底栖动物为三北地区内陆盐水的主要种类。

Furthermore,due to the reduced diatom availability,the dominance of copepods decreased,and medusas increasingly dominated the zooplankton population.

近几年来，为改善海域环境现状，控制西部陆源污染物输入量的措施已取得一定效果，但河口水质并无明显改善。

The plankton model simulates the fixation of carbon and uptakes of nutrients by phytoplankton, and their transfer to zooplankton.

浮游生物模式模拟浮游植物对营养盐之摄取和对碳之固定以及它们转化到浮游动物的过程。

Also it influenced the growth of algae and the living of shrimps at level of 0.033 mg/L, but no significant toxic effects on other zooplankton such as Daphnia magma, ostracods, rotifers and so on was detected.

结果表明，莠去津浓度为0.023 mg/L时对藻类生长会产生影响；浓度为0.033 mg/L时对藻类生长和河虾生存均会产生影响，但对其他浮游动物，如大型溞、介虫、轮虫等未产生显著的毒性效应。

Based on the surveys of the larvae by vertically towing a zooplankton net, the reproduction and early development of the transplant enhanced Manila clam Ruditapes philippinarum in Jiaozhou Bay were examined, and the reason for low density of recruitment was also analyzed from the point of view of ecology and development.

根据浮游生物垂直拖网调查及幼虫早期发育观测，研究了胶州湾移植底播菲律宾蛤仔繁殖发育特性，并从发育学及生态学角度分析了蛤仔补充群体密度过低的原因。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了