Journal of the Korean Society for Marine Environment & Energy (한국해양환경ㆍ에너지학회지)

The Korean Society for Marine Environment and Energy (한국해양환경•에너지학회)
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Monitoring in Succession of Benthic Communities on Artificial Seaweed Beds in the Slag Dumping Area

슬래그 매립장 해역의 인공해조장에 서식하는 저서생물 군집의 천이

  • Kim, Jin-Man (Department of Ecological Engineering, Pukyong National University) ;
  • Kwak, Seok-Nam (Marine Eco-Technology Institute Co., Ltd.)
  • Received : 2009.04.22
  • Accepted : 2009.07.20
  • Published : 2009.08.25
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Abstract

In order to rehabilitate habitats for marine organisms in the slag dumping area, succession of benthic communities was monitored on artificial seaweed beds with transplantation of Ecklonia stolonifera from April 2004 to June 2005. Acinetospora critina was only primary dominated on steel frame in the first experiment (April 2004). A total of 15 species of seaweed were identified in the second experiment (June 2004). Enteromorpha intestinalis and Enteromorpha sp. were dominated, and Urospora penicilliformis, Ulothrix flacca, Cladophora sp., and Ulva pertusa were found on Ecklonia stolonifera fronds gradually with increasing time. This time was coincided with occurrence of benthic macrofaunas, molluscans and small fish species. The epiphytic benthic macrofaunas were dominated on amphipods, molluscans were Mytilus edulis, Thais clavigera, and fish species were Mugil cephalus, Pholis nebulosa. These results indicated that transplantation of Ecklonia stolonifera on artificial seaweed beds have been contributed on restoration habitats for benthic communities in the slag dumping area.

슬래그 매립장 배출구 인근해역에 곰피(Ecklonia stolonifera)를 이식한 소규모 인공해조장을 건설하여 해조장에서 서식하는 저서생물 군집의 천이 양상을 2004년 4월부터 2005년 6월까지 모니터링 하였다. 첫 번째 이식 후 조사(2004년 4월부터 10주간 실험)에서는 솜말(Acinetospora critina)이 인공해조장에서 가장 우점하였다. 두 번째 조사(2004년 6월 이식 후 51주간 실험)에서는 총 15종의 해조류가 발견되었는데, 이 중 창자파래(Enteromorpha intestinalis)와 파래류(Enteromorpha sp.)가 가장 우점하였다. 그 외 초록털말(Urospora penicilliformi), 초록실(Ulothrix flacca), 대마디말류(Cladophora sp.), 그리고 구멍갈파래(Ulva pertusa)가 곰피의 잎에 나타났다. 동시에 곰피의 잎에 부착하여 서식하는 저서동물, 연체동물 그리고 작은 크기의 어류 등도 출현하였다. 부착 저서동물은 주로 단각류(Amphipods)였으며, 연체동물은 진주담치(Mytilus edulis), 대수리(Thais clavigera), 그리고 어류는 숭어(Mugil cephalus), 베도라치(Pholis nebulosa) 등이 우점하였다. 이와 같은 결과는 곰피를 이용하여 조성된 인공해조장이 생물들이 성장할 수 있는 서식처 역할을 수행함과 동시에 스스로의 천이 과정을 통하여 저서생물 군집이 형성되는데 기여하였음을 알 수 있다.

Keywords

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