동죽의 칼로리 함량에 대한 계절 변화

• 영문명: Seasonal Change in Calorific Content of Surfclam, Mactra veneriformis REEVE
• 발행기관: 군산대학교 수산과학연구소
• 저자명: 이정열(Jeong-Yeol LEE)
• 간행물 정보: 『군산대학교 수산과학연구소 연구논문집』제3집, 469~476쪽, 전체 8쪽
• 주제분류: 농수해양 > 해양학
• 파일형태: PDF
• 발행일자: 2004.07.01

영문 초록

Seasonal changes in calorific content of surfclam, Mactra veneriformis collected from kunsan areas was measured in 1994. The amounts of feces from surfcalm was high from spring to fall according to temperature rising. Variation of calorific contents in feces was varied by month. but was high in June for 3cm group and in September for 2cm group in general. And it was also showed low in February~March and August. The difference between two groups was higher 1.7times in 3cm group than in 2cm group. The variation of calorific contents in carcass and viscera of surfciam was similar to those of feces, but the difference by size was not appeared. The energy used for respiration was high in summer and low in winter. The calorific contents of shell was low in February and after June. About 60.4~60.6% of total energy lossed for feces, so that the assimilation rate was 39.4~39.6%. It was presumed that the spawning period is between June and August. and the annual ring formation is between February and March.

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