부산광역시 세 해수욕장 백사장에서 세균 오염도 조사
View of Soil Microbial Contamination on the Three Sandy Beaches in Busan
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Bacterial contamination of beach sand was examined in April, June, July, and August. Twenty four topsoil and subsoil samples were taken from the 1m and 5m points from the coastline in three Busan beaches (Haeundae, Gwanganli, and Songjeong). The 5m points from the coastline showed higher coliform contamination than 1 m points. July showed the highest bacterial contamination on beaches among surveyed months. Coliform contamination in the subsoil was higher than that of the topsoil. The bacterial contamination of 5m points of topsoil and subsoil in June except the Songjeong Beach was higher than those of July and August. We investigated Staphylococcus aureus, Vibrio parahaemolyticus, Vibrio vulnificus, Vibrio cholerae, and Bacillus cereus. Only B. cereus was detected at the beach in August. Although microbiological pollution of the Gwanganli Beach was the highest among three Busan beaches, the degree of contamination was not high compared to those of other countries. However, sandy soil management in public beach for pathogenic microorganisms is needed.
Abstract
Bacterial contamination of beach sand was examined in April, June, July, and August. Twenty four topsoil and subsoil samples were taken from the 1m and 5m points from the coastline in three Busan beaches (Haeundae, Gwanganli, and Songjeong). The 5m points from the coastline showed higher coliform contamination than 1 m points. July showed the highest bacterial contamination on beaches among surveyed months. Coliform contamination in the subsoil was higher than that of the topsoil. The bacterial contamination of 5m points of topsoil and subsoil in June except the Songjeong Beach was higher than those of July and August. We investigated Staphylococcus aureus, Vibrio parahaemolyticus, Vibrio vulnificus, Vibrio cholerae, and Bacillus cereus. Only B. cereus was detected at the beach in August. Although microbiological pollution of the Gwanganli Beach was the highest among three Busan beaches, the degree of contamination was not high compared to those of other countries. However, sandy soil management in public beach for pathogenic microorganisms is needed.
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