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NTIS 바로가기한국수산과학회지 = Korean journal of fisheries and aquatic sciences, v.53 no.5, 2020년, pp.773 - 783
심보람 (국립수산과학원 어장환경과) , 김형철 (국립수산과학원 연구기획과) , 강성찬 (국립수산과학원 어장환경과) , 이대인 (국립수산과학원 어장환경과) , 홍석진 (국립수산과학원 갯벌연구센터) , 이상헌 (부산대학교 해양학과) , 김예진 (부산대학교 해양학과)
In order to evaluate the recovery of fishing ground environment after the cessation of aquaculture farming, we examined the variation in sediment quality over time using different geochemical factors and investigated whether these factors are indicators of sediment quality recovery. The study area w...
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핵심어 | 질문 | 논문에서 추출한 답변 |
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어장환경 회복에 관한 연구에서 적용된 주요 화학적 인자로는 어떤 것들이 있는가? | 대부분 연구 대상은 어류(연어, 송어, 돔 등)양식장이었으며 패류 양식장에 대한 조사는 거의 없었다. 어장환경 회복에 관한 연구에서 적용된 주요 화학적 인자로는 유기물(organic matter), 총유기탄소(total organic carbon, TOC), 황화물(sulfide), 산화환원전위(oxidation-reduction potential, ORP)가 있으며, 이 외에도 철(Fe), 아연(Zn), 구리(Cu) 등과 같은 미량금속 또는 총인(total phosphate), 지질(lipids, fatty acids, sterols) 등 다양한 항목들이 지역적 특성과 연구목적 등에 따라 적용되었다. 장기간 고밀도 양식이 이루어져 어장환경이 상대적으로 좋지 않은 남해안에서 어장시설물 이동(재배치)과 이에 따른 환경인자의 변화를 모니터링하고 회복가능성을 진단하는 연구는 어장환경관리 측면에서 매우 중요하다. | |
국내 패각류 중에서 가장 양식 생산량이 높은 품종은? | 우리나라는 연안 해역에서 어류, 패류, 해조류 등 다양한 품종을 양식하고 있으며, 특히 패각류(Bivalves) 생산량은 중국 다음으로 높다(FAO, 2020). 전체 패류 양식생산량의 약 74%는 굴이며, 굴 양식생산량은 1990년에 약 20만톤에서 2019년 기준 약 30만톤으로 꾸준히 증가하고 있다(MOF, 2020). 패류 양식은 경상남도와 전라남도 연안 해역을 중심으로 성행하고 있으며, 2018년 기준 우리나라 전체 굴 생산량의 81%가 경상남도에서 생산되고 있다(MOF, 2020). | |
국내 패류 양식은 주로 어느 지역에서 성행하는가? | 전체 패류 양식생산량의 약 74%는 굴이며, 굴 양식생산량은 1990년에 약 20만톤에서 2019년 기준 약 30만톤으로 꾸준히 증가하고 있다(MOF, 2020). 패류 양식은 경상남도와 전라남도 연안 해역을 중심으로 성행하고 있으며, 2018년 기준 우리나라 전체 굴 생산량의 81%가 경상남도에서 생산되고 있다(MOF, 2020). 경상남도의 경우 통영 및 거제시 관할 칠천도, 가조도, 원문만에 양식장이 밀집되어 있고, 참굴과 피조개 양식생산량이 높으며(NFRDI, 2002), 특히 원문만은 수하식 패류양식이 가장 활발하다(Cho et al. |
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