인문학
사회과학
자연과학
공학
의약학
농수해양학
예술체육학
복합학
지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록·키워드
This study investigated sediment grain size, organic matter, trace metal concentrations, and contamination levels in surface sediments from seaweed farming areas in the Jindo–Haenam region on the southwestern coast of Korea. Surface sediments were collected from 14 stations and analyzed for grain-size composition, total organic carbon (TOC), total nitrogen (TN), C/N ratio, and trace metals including As, Cd, Cr, Cu, Fe, Hg, Mn, Pb, and Zn, together with Li for grain-size correction. Sediments were predominantly muddy, with mud contents ranging from 12.4% to 99.7% (mean 80.1%). The concentrations of TOC and TN ranged from 2.5 to 9.0 mg/g and from 0.3 to 1.1 mg/g, respectively. The concentrations of Cr, Cu, Fe, Hg, Zn, and Li were significantly positively correlated with mud content (r=0.786–0.878, P≤0.001), whereas TOC and TN were not significantly correlated with mud content, indicating different controls on metal and organic-matter distributions. Based on the threshold effects level (TEL), pollution load index, and ecological risk index, overall trace metal contamination and ecological risk were low, although Li-corrected Zn exceeded the TEL at one station. These results provide a spatial baseline for sediment quality management in seaweed farming areas.
본문·목차
인공지능 문자 인식 모델을 통해 추출된 텍스트로, 일부 오타나 오류가 포함될 수 있으나 지속적으로 개선 중입니다.
오류를 발견하셨다면 해당 부분을 드래그한 후 ' 를 통해 신고해주세요.
오류를 발견하셨다면 해당 부분을 드래그한 후 ' 를 통해 신고해주세요.