The results showed that silver carp could control bloom of both cyanobacteria and pelagic copepod.
结果表明,鲢鱼对蓝藻和桡足类浮游动物均具有一定的抑制作用;
Several significant changes were found in the composition of the rotifer, cladoceran and copepod assemblages.
许多重要的变化被发现在轮虫,枝角类和桡足类群体的组成中。
The species of cladoceran and copepod in Shiquan River are fewer. From the specimens we observed 5 families 8 genus 18 species of cladoceran and the dominant species are A.
狮泉河的枝角类和桡足类种类很少,所采样品仅检出枝角类5科8属18种,优势种类为尖额溞和盘肠溞;
The present paper deals with the biology of the parasitic copepod Lernaea poly-morpha and the acquired immunity on the part of the hosts after its infeetion on silver carp and big-head.
本文对鲢、鳙锚头鳋的生物学、病后获得免疫以及药物治疗进行了探讨。
The results indicated that different copepods at same natural acclimated temperature and specific copepod at different initial acclimated temperature had different thermal tolerance capability.
结果表明,不同生物在相同适温条件下和同种生物在不同适温条件下的热耐受能力均存在差异。
They included cold-blooded organisms that ranged in average lifespan from 11.6 days for the copepod (small crustaceans) Arcartia tonsa to 74 years for the pearl mussel (Margaritifera margaritifera).
他们包括平均寿命只有11.6天的桡脚类的动物(一种小的甲壳类动物)非洲的汤氏纺锤水蚤,和可以存活74年的珍珠胎贝(珠母贝)。
They included cold-blooded organisms that ranged in average lifespan from 11.6 days for the copepod (small crustaceans) Arcartia tonsa to 74 years for the pearl mussel (Margaritifera margaritifera).
他们包括平均寿命只有11.6天的桡脚类的动物(一种小的甲壳类动物)非洲的汤氏纺锤水蚤,和可以存活74年的珍珠胎贝(珠母贝)。
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