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NTIS 바로가기바다 : 한국해양학회지 = The sea : the journal of the Korean society of oceanography, v.20 no.1, 2015년, pp.43 - 52
김정배 (국립수산과학원 어장환경과) , 박정임 (해양생태기술연구소) , 이원찬 (국립수산과학원 어장환경과) , 이근섭 (부산대학교 생명과학과)
The growth and population dynamics of eelgrass (Zostera marina) due to changes in sediment composition were examined in the lower intertidal zone of the Seomjin Estuary, Korea. We surveyed environmental factors such as water temperature, underwater irradiance, main types and organic content of sedim...
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핵심어 | 질문 | 논문에서 추출한 답변 |
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섬진강 하구의 평균 수심과 조차는? | 83 km2로서 약 50%는 조간대에서 출현하고 있다. 평균 수심은 약 1.5 m이고 조차(mean tidal regime)는 반일주조(semi-diurnal)로 약 3 m이다(Kim et al., 2010, 2013). | |
잘피의 역할은? | 잘피는 해양현화식물로 전 세계 연안에 약 60 여종이 서식하고 있으며, 연안 및 하구 생태계에서 중요한 역할을 하고 있다(den Hartog, 1970). 잘피는 무기 영양염류 및 오염물질을 흡수 제거하고, 조류와 파랑에너지 감소 및 퇴적물의 안정화로 침식 및 퇴적물의 재부유를 방지하며, 많은 해양동식물들에게 서식지를 제공하여 연안생태계의 종 다양성을 보존하는 역할을 한다(National Academy of Sciences, 1975; Short and McRoy, 1984; Ward et al., 1984; Fonseca and Fisher, 1986). | |
잘피 서식지가 위협받고 있는 원인은? | , 1984; Fonseca and Fisher, 1986). 그러나 매립, 해안공사, 항만건설 등과 같은 직접적인 훼손으로 세계 여러 지역에서 잘피 서식지가 위협받고 있다(Lee and Lee, 2003; MOMAF, 2007). 최근 해양생태계에서 잘 피가 지닌 생태적 중요성으로 인해 잘피 서식지의 감소와 소실에 대해 많은 우려가 제기되고 있으며, 서식지의 보존과 복원에 대한 관심이 깊어지고 있다(Addy, 1947; Fonseca et al. |
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