常見例句The molluscs were the first in biomass and density of the benthos. 全年各類群生物中,平均生物量及棲息密度都以軟體動物居首位。Plankton and benthos monitoring was carried out in 2003. The results in main gulfs were shown as followed in table 3. 2003年,開展浮游生物和底棲生物監(jiān)測,各主要港灣監(jiān)測結(jié)果詳見表3。Coastal zones are important habitats to fauna, having a primary production for offering such as benthos and sessile organisms. 摘要沿岸海域一直是生物重要的棲地,并且提供像底棲生物或附著生物相當(dāng)高的基礎(chǔ)生產(chǎn)。Holme N A,Mcintyre A D.1984.Methods for the study of marine benthos[M].Oxford:Blackwell sci. 沈韞芬;章宗涉;龔循矩.;1990The result indicates that benthos is affected by dredging activity but the extent of the impact is limited. 結(jié)果表明:疏浚工程影響著底棲動物的生存,但其影響范圍是局部的。In 1986 and 1988 the authors sampled macrofauna benthos and investigated the distribution of biomass and density. 作者于1986年和1988年在連云港海域進(jìn)行了底棲動物采樣,調(diào)查得出了生物量和棲息密度的分布概況。 返回 benthos