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Survival on Water Temperature, Salinity and Air Exposed Time and Sand Immersion Ability of the Surf Clam, Spisula sachalinensis Spat  

이정용 (국립수산과학원 동해수산연구소 강릉수산종묘시험장)
김완기 (국립수산과학원 동해수산연구소 강릉수산종묘시험장)
이채성 (국립수산과학원 동해수산연구소 강릉수산종묘시험장)
박영제 (서해수산연구소 증식과)
Publication Information
Journal of Aquaculture / v.16, no.4, 2003 , pp. 229-232 More about this Journal
Abstract
Survival with various conditions (water temperature, salinity and air exposure) and sand immersion ability for release of surf clam, Spisula sachalinensis spats, which were artificially seed produced, were investigated. Survival with water temperature conditions of spats showed no difference within the range of 4∼28 $^{\circ}C$ for 10 days. In salinity conditions, survival (%) of spats showed more than 50% in over 22 psu. In air exposure conditions, survival (%) of spats air exposed for 12 hours was no difference within below 2$0^{\circ}C$, however, that of spats air exposed for 16 hours showed below 50% at $25^{\circ}C$. In sand immersion ability, the immersion time was increased with the increase of shell length, and the immersion rate was decreased. Spats of below 15 mm in shell length were emersed more than 90% within 10 min. There was no difference in the immersion time and the immersion rate with the grain sizes of the sand bottom.
Keywords
Surf clam; Spisula sachalinensis; survival; sand immersion ability;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
연도 인용수 순위
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