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J. Ocean Eng. Technol. 2001;15(4):53-59.    

Prediction of Seasonal Variations on Primary Production Efficiency in a Eutrophicated Bay
부영양화해역의 내부생산효율에 대한 계절변동예측
이인철
부경대학교 환경·해양대학 해양공학과
© 2001 The Korean Society of Ocean Engineers     Open access / Under a Creative Commons License
Keywords: Primary production efficiency, Ecosystem model, Solar radiation intensity, Dissolved organic carbon (DOC), Seasonal variation, Hakata bay
핵심용어: 내부생산효율, 생태계모델, 일사량, 용존태유기탄소, 계절변동
Abstract
The Primary Production of phytoplanktons produces organic matter in high concentration in eutrophicated Hakata Bay, Japan, even during the winter season in spite of low water temperature. Phytoplanktons are considered to have any biological capabilities to keep activities of photosynthesis under the unfavorable conditions, and this affects water quality of the bay. In this study, seasonal variations in primary production efficiency were predicted by using a simple box-type ecosystem model, which introduced the concept of efficiency for absorption of solar radiation energy in relation to growth of phytoplanktons under the low solar radiation intensity. According to the simulation result of primary production, it was organic pollution comes from dissolved organic carbon (DOC) throughout the year, DOC of which is originated from the primary production of phytoplanktons on biological response of the seasonal variation of ambient conditions.
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