The Korean Journal of Malacology (한국패류학회지)
- Volume 18 Issue 1
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- Pages.53-59
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- 2002
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- 1225-3480(pISSN)
Biological Resources of Pen Shell, Atrina (Servatrina) pectinata japonica in the Coastal Waters of Chungchung-namdo, Korea. 1. Effects of Environmental Factors on Distribution Pattern
충남연안 키조개의 자원생물학절 연구 1. 환경특성이 분포양상에 미치는 영향
Abstract
The distribution and density of the pen shell, Atrina (Servatrina) pectinata japonica, were investigated to estimate population ecological parameters and biomass. Samples were collected during cruises from April to June 1999 in the coastal waters of Chungchung-namdo, Korea. The oceanographic conditions such as depth, temperature, transparency and suspended solids were measured from sampling stations. Seawater depth ranged from 3.9 m to 75.9 m and the mean was 28.5 m (SE = 0.97). The mean density of the pen shell was higher in the depth of 18.0-30.8 m. The water temperature of the bottom ranged from 7.0-21.5
충남 연근해역의 키조개 개체군을 대상으로 자원생태학적 특성을 규명하기 위해 1999년 4월부터 6월까지 조사가능한 212개 조사정점에 대해 현장조사를 실시하였다. 본 조사를 통해 서식환경 및 분포밀도와 특성을 살펴보고, 자원량을 추정하였다. 충남 연근해역은 3.9-75.9 m의 수심범위를 가지고, 평균수심이 28.5 m (SE = 0.97)이며, 저층의 환경특성은 평균수온 14.
Keywords
- Atrina (Sevatrina) pectinata japonica;
- Temperature;
- Transparency;
- Suspended solid;
- Sediment;
- Density