noun
primary production
Biology term referring to the synthesis of organic compounds from inorganic substances, typically by photosynthesis or chemosynthesis.
海洋の基礎生産は、主に植物プランクトンによって行われる。
Primary production in the ocean is mainly carried out by phytoplankton.
Compound of 基礎 (foundation, basis) and 生産 (production), directly translating the English term 'primary production' in ecology.