Nutrient salts

Japanese: 栄養塩 - えいようえん(英語表記)Nutrient salts
Nutrient salts
Silicates, phosphates, sulphates, sulphites, etc. dissolved in seawater that provide nutrients for phytoplankton and seaweed are collectively called nutrients or nutrients. Seawater is a dilute solution of nutrients, and the lack of such nutrients is usually a limiting factor for the growth of phytoplankton and other organisms. Generally, there are few nutrients in the surface layer, as they are consumed by phytoplankton. This is why areas where nutrients-rich water from the lower layers, such as upwelling areas, is brought to the surface are good fishing grounds. (Nagata)

Source: Japan Hydrographic Association, Ocean Information Research Center, Encyclopedia of the Sea

Japanese:
植物プランクトンや海藻の栄養となる海水中に溶けた、けい酸塩・りん酸塩・しょう酸塩・亜しょう酸塩等を総称して栄養塩または栄養塩類という。海水は栄養 塩の希薄溶液であり、通常その量の不足が植物プランクトン等の増殖の制約要因となっている。一般に表層では、植物プランクトンに消費されて栄養塩が少な い。湧昇域等、栄養塩に富んだ下層の水が表層にもたらされる海域が、好漁場となるのはそのためである。 (永田)

出典 (財)日本水路協会 海洋情報研究センター海の事典について 情報

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