深水层是指静水生态系统中亮光带以下不透光的水层。在深水层中不可能有绿色植物生存,因此主要生存消费者,有的以从亮光带沉降下来的植物残体为食,有的在底泥表面以底泥中有机物为食。
深水层生物 abyssobenthos
海洋深层水 Depsea Water ; deep sea water ; Earth Marin Water ; NIGARI
深层补水编制 Water Pump System ; Wdined onr Pump System ; Wingestedr Pump System ; Wgotr Pump System
深层补水体例 Wdinedr Pump System ; wingestedr pump system ; wconsumedr pump system
深水层大洋 deep strata
深水层底群集 abyssobenthic community
深水散射层 deep water scattering layer
深层补水系统 Water Pump Syst ; Water Pump System ; Water ump System ; Wingestedr Pump System
深层补水体系 Water Pump System ; Wdined onr Pump System ; Wingestedr Pump System ; wconsumedr pump system
这种鱼生活在海里的深水层。
“另一方面,鲸鱼通常在深海觅食,”罗曼说:“它们在深水层吃东西,在海面附近排便。”
"Whales, on the other hand, often feed at depth," says Roman. "So they feed low in the water column."
这些水源的一个问题是,深水区的含盐量也比浅水层的含盐量高。
One problem with these sources is that the deep water also has a higher level of salt than shallower aquifers.
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