低含氧量导致细菌滋长，这些细菌会破坏硝酸盐——海洋微生物及浮游植物的重要营养物质之一。
Low oxygen levels encourage the growth of bacteria that destroy nitrate - a vital nutrient for the ocean's microscopic plants, or phytoplankton.
再者不流动的所谓死水，也不会长久地保持清澈，一潭死水立刻就会滋长许多动植物，将水质变得混浊而不清。
The dead water can't keep itself clear for long time. A pool of dead water can nourish many plants and germ which may make the water turbid too.
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