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양식장 스티로폼 부자쓰레기로 인한 통영 해변의 오염 평가

Evaluation of Beach Pollution by Aquaculture Styrofoam Buoys in Tongyeong, Korea

  • 홍수연 ((사)동아시아바다공동체오션/한국 해양쓰레기 연구소) ;
  • 이찬원 ((사)동아시아바다공동체오션/한국 해양쓰레기 연구소) ;
  • 홍선욱 ((사)동아시아바다공동체오션/한국 해양쓰레기 연구소) ;
  • 이종명 ((사)동아시아바다공동체오션/한국 해양쓰레기 연구소) ;
  • 장용창 ((사)동아시아바다공동체오션/한국 해양쓰레기 연구소)
  • Hong, Su Yeon (Our Sea of East Asia Network/Korea Marine Litter Institute) ;
  • Lee, Chan Won (Our Sea of East Asia Network/Korea Marine Litter Institute) ;
  • Hong, Sunwook (Our Sea of East Asia Network/Korea Marine Litter Institute) ;
  • Lee, Jongmyoung (Our Sea of East Asia Network/Korea Marine Litter Institute) ;
  • Jang, Yong Chang (Our Sea of East Asia Network/Korea Marine Litter Institute)
  • 투고 : 2014.02.06
  • 심사 : 2014.03.27
  • 발행 : 2014.05.25

초록

2013년 가을, 한국 통영의 13개 해변에서 해양쓰레기의 풍도와 조성을 조사하였다. 대형쓰레기(25 mm 이상)의 풍도는 평균 약 30개/$m^2$, 소형쓰레기(1 mm-25 mm)의 풍도는 평균 26,971개/$m^2$로서 한국의 다른 지역이나 전세계 다른 지역에 비해 매우 높은 편이었다. 스티로폼, 경질플라스틱, 섬유, 금속, 유리, 목재, 기타 등 7개 재질로 구분했을 때 대형쓰레기 중 스티로폼의 갯수가 차지하는 비율은 약 75%, 소형 쓰레기에서는 약 98%였다. 대형 스티로폼 쓰레기 중 원래 부피의 50% 이상이 남아 있는 '완제품' 쓰레기들을 양식용 부자와 기타 완제품 쓰레기로 구분했을 때 양식용 부자가 차지하는 비율은 갯수로 93%였다. 결국 조사된 해변들에서 쓰레기로 인한 해변 오염은 매우 심각한 수준이며, 쓰레기의 발생 원인의 대부분은 양식장에서 사용되는 스티로폼 부자인 것으로 밝혀졌다. 통영 지역은 한국에서 굴 양식장이 가장 많은 곳이므로 굴 양식장의 스티로폼 부자 쓰레기 관리를 개선하는 것은 통영뿐만 아니라, 다른 지역의 해변 오염을 예방하는 데도 중요한 것으로 보인다.

Abundance and composition of marine debris on 13 beaches of Tongyeong City, South Korea were surveyed in 2013 Autumn. The average quantity of macro debris (>25 mm) was about 30 particle/$m^2$ and that of micro debris (1 mm-25 mm) was about 26,971 particle/$m^2$. This is a very high level compared with other areas of South Korea and the other countries. Among the 7 material types of debris (styrofoam, hard plastic, fiber, metal, glass, wood and others), styrofoam composed a large portion: 75% of macro debris and 98% of micro debris. And among the 'whole' styrofoam debris items whose original volume is remained more than 50%, styrofoam buoy debris composed 93%. This result suggests that the beaches surveyed are seriously contaminated by marine debris, and most of its sources are aquaculture styrofoam buoys. Management of styrofoam buoy debris used for oyster aquaculture in Tongyeong City is important not only for Tongyeong city, but also for other areas, because Tongyeong city hosts the biggest number of oyster aquaculture areas in South Korea.

키워드

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