benthon

基本解释

All the 48 genera and 62 species of foraminifera belong to Holocene-modern species, among which there are 55 species of benthon.
类型与属种的组成，揭示了其垂直变化? 有孔虫共48属62种，都是全新世-现代种，其中底栖有孔虫55种?。
The ground base was evaluated and analysed by using biological index and variation of population of benthon which are effected by bottom water and mud environment.
以底栖动物作为底层水环境和底泥环境长期影响的指标，利用生物指数和种群结构的变化对底质进行评价和分析。
The study on the biomass, respiration and P/B coefficient of benthon have been carried out with counting method, sealed apparatus method and cultivation method in Sanjiang Plain.
本文运用计数法、封闭器法和培养法对底栖动物的生物量、呼吸强度和P/B系数进行了研究。