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[국내논문] 장기자료 분석과 생물검정실험을 이용한 천수만과 태안해역의 제한영양염 평가
Evaluating Limiting Nutrients through Long-term Data Analyses and Bioassay Experiments in Cheonsu Bay and Taean Sea 원문보기

海洋環境安全學會誌 = Journal of the Korean society of marine environment & safety, v.28 no.4, 2022년, pp.459 - 468  

김진현 (국립공원연구원 해양연구센터) ,  정원옥 (국립공원연구원 해양연구센터) ,  신용식 (목포해양대학교 해양시스템공학과) ,  정병관 (국립공원연구원 해양연구센터)

초록
AI-Helper 아이콘AI-Helper

천수만과 태안해역의 제한영양염을 평가하기 위해 장기자료 분석과 생물검정실험을 진행하였다. 우선 잠재적인 제한영양염을 평가하기 위해 국가수질측정망에서 제공되는 2004~2016년 동안의 장기 영양염 자료를 이용하였다. 장기자료의 DIN/DIP를 분석한 결과 대부분 16이하로 N 제한이 우세하였지만 N, P, Si의 농도비를 이용한 분석에서는 하계와 추계에는 N 제한이 우세하였고, 동계와 춘계에는 해역에 따라 일부 Si 제한을 보이거나 또는 제한이 나타나지 않았다. 생물검정실험 시 채집된 현장수의 영양염 분석결과, DIN/DIP는 3월과 5월에 모든 정점에서 P 제한을 나타냈고, 7월과 10월에는 N 제한이 우세하였다. N, P, Si의 농도비를 이용한 분석에서 3월과 5월은 P와 Si 제한을 보이거나 제한영양염이 나타나지 않은 정점이 존재하였으나 7월과 10월에는 N 제한이 우세하였다. 실질적인 제한영양염을 평가하기 위해 수행된 생물검정실험 결과 3월에는 특정 제한영양염이 나타나지 않았으나, 5월, 7월 10월에는 NH4+와 NO3-가 반응을 보임으로서 이 시기에는 N이 식물플랑크톤 성장에 직접 관여하는 실질적인 제한영양염임을 확인하였다.

Abstract ▼ AI-Helper 아이콘AI-Helper

Long-term data analyses and bioassay experiments were conducted to assess limiting nutrients in Cheonsu Bay and Taean sea. First, long-term nutrient data (2004-2016) provided by the National Water Quality Monitoring Network were used to assess potential limiting nutrients. Analysis of the long-term ...

주제어

#천수만   #태안해안   #제한영양염   #N/P비   #N/P/Si비   #생물검정실험  

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