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.
由于较大的浮游生物需要更多的养分，为了补充耗尽的养分，它们对于水体中的垂直混合有着更高的需求。
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.
很多渔民确信不少油污正悬浮在下潜水流中，这会影响到牡蛎养殖场，螃蟹的繁殖和产卵的鱼群。
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.”
建造海藻农场有两大作用：它可作为鱼类的栖息地与饲料，还可作为“养料汇集处”，从水柱中吸收无机养分（氨，硝酸盐，磷酸盐）。

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.