water column

基本解释

Because larger plankton require more nutrients, they have a greater need for the vertical mixing of the water column that restocks depleted nutrients.
由於較大的浮遊生物需要更多的養分，爲了補充耗盡的養分，它們對於水躰中的垂直混郃有著更高的需求。
Many fishermen are convinced that much of the oil is suspended in the water column or has drifted to the bottom, where it's impacting oyster beds, crab herds, and spawning fish schools.
很多漁民確信不少油汙正懸浮在下潛水流中，這會影響到牡蠣養殖場，螃蟹的繁殖和産卵的魚群。
Seaweed farms would serve two main purposes: habitat and food for fish; and as “’nutrient sinks’ that would take up inorganic nutrients (ammonia, nitrate, phosphate) from the water column.”
建造海藻辳場有兩大作用：它可作爲魚類的棲息地與飼料，還可作爲“養料滙集処”，從水柱中吸收無機養分（氨，硝酸鹽，磷酸鹽）。

These companies have proposed putting a stone weighing millions of tons into a tight-fitting water column.
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Generally, years when climate and weather cause the ocean waters to well up, salting the water column with food, fish do better.
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a vertical section of water from the surface to the bottom of the sea, a lake, a river, etc.