[논문]수온과 크기에 따른 멍게(Halocynthia roretzi)의 산소 소비

강필준; 이근수; 오승용

doi:10.5657/kfas.2022.0449

수온과 크기에 따른 멍게(Halocynthia roretzi)의 산소 소비
Oxygen Consumption of Sea Squirt Halocynthia roretzi Depending on the Water Temperature and Body Size 원문보기

한국수산과학회지 = Korean journal of fisheries and aquatic sciences, v.55 no.4, 2022년, pp.449 - 454

강필준 (한국해양과학기술원 해양생태연구센터) , 이근수 (한국해양과학기술원 해양생태연구센터) , 오승용 (한국해양과학기술원 해양생물자원연구단)

Abstract ▼ AI-Helper

The oxygen consumption rate (OCR) based on the water temperature and body size of the sea squirt Halocynthia roretzi was examined to provide quantitative information about the metabolic response of the species. OCRs were measured using a closed flow-through respirometer at four different water temperatures (10, 15, 20 and 25℃) and two different body sizes (21.4±1.1 g and 150.5±1.3 g, wet weight) with triplicates of each treatment. OCR increased as water temperature increased at both body sizes, but decreased as body size increased regardless of the water temperature (P<0.001). The effect of body size evaluated as a power function ranged from 0.8055 to 0.8884. The highest Q10 values in the small and large size groups ranged from 15 to 20℃ and 20 to 25℃, respectively. The metabolic daily energy loss rate via respiration at all tested temperatures ranged from 56.2 to 106.1 J g-1 d-1 in the small-size group and from 44.5 to 92.0 J g-1 d-1 in the large-size group. Our results indicate that the metabolic response of H. roretzi highly depends on fluctuating water temperature at a given life stage.

주제어

표/그림 (3)

그림 Fig. 1. Respiratory metabolic energy loss rates of sea squirt Halocynthia roretzi in relation to four different water temperatures and two different body sizes. Values (mean±SE, n=3) represent with different letters are indicate significant differences (P<0.001).
표 Table. 1. Oxygen consumption rate (OCR) of two different body weights (W) of sea squirt Halocynthia roretzi subjected to four different water temperatures (T)
표 Table 2. Q₁₀ value of sea squirt Halocynthia roretzi subjected to different body weight and water temperature range

AI 본문요약
AI-Helper

제안 방법

실험 수온은 10, 15, 20 그리고 25℃로 설정하였으며, 각 실험 수온의 순치는 실험 시작 전 순치온도인 15℃로 설정된 독립된 소형 순환여과식 시스템으로 옮겨 하루 1℃씩 서서히 낮추거나 높여 실험 수온에 최소 3일 이상 순치 후 실험에 사용하였다. 실험 수온 순치 기간 동안 체중의 1–2% 농축 클로렐라를 공급하였으며, 먹이에 의한 영향을 배제하기 위해 실험 시작 전 2일간은 절식하였다.

대상 데이터

실험에 이용한 멍게는 부산 소재 축양장에서 구매하여 사용하였다. 실험에 사용하기 2주 전 실내 소형 순환여과식 시스템 내 원형수조(400 L) 2개에 각 크기별로 200마리씩 수용하여 순치하였다. 실내 순치기간 동안 농축 클로렐라를 일간 체중의 1–2% 공급하였으며, 수온, pH 및 염분은 각각 15±0.
실험에 이용한 멍게는 부산 소재 축양장에서 구매하여 사용하였다. 실험에 사용하기 2주 전 실내 소형 순환여과식 시스템 내 원형수조(400 L) 2개에 각 크기별로 200마리씩 수용하여 순치하였다.

데이터처리

각 자료의 통계처리는 SPSS 11.5 (SPSS Inc., Chicago, IL, USA)를 이용하여 분산분석(ANOVA)을 통해 Tukey‘s multiple range test로 평균간 유의성을 95% 신뢰수준에서 검정하였다
, Chicago, IL, USA)를 이용하여 분산분석(ANOVA)을 통해 Tukey‘s multiple range test로 평균간 유의성을 95% 신뢰수준에서 검정하였다. 크기의 영향은 T-test를 통해, 수온과 크기의 복합 영향은 two-way ANOVA를 통해 검정하였다.

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저자의 다른 논문 :

표제어: PCR

동의어: Packet Collision Rate

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용어 설명: PCR은 세균 특이성이 있는 primer를 이용하여 적은 수의 세균이 있을지라도 쉽게 검출할 수 있는 유용한 방법이며, 이를 이용하여 구강 내 치면세균막이나 타액에서 직접 세균을 검출할 수 있게 되었다[8].

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