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引用本文:殷名称,R.S.Batty,C.E.Franklin,I.A.Johnston.温度和活动对仔鲱氧代谢的影响.海洋与湖沼,1995,26(3):285-294.
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温度和活动对仔鲱氧代谢的影响
殷名称1, R.S.Batty2, C.E.Franklin3,4, I.A.Johnston3,4
1.上海水产大学养殖系 200090;2.英国苏格兰海洋科学协会,Dunstaffnage海洋所;3.英国St.Andrews大学;4.Gatty海洋所
摘要:
于1993年春在苏格兰采用微电量测氧仪测定大西洋鲱仔鱼在封闭式呼吸器内的耗氧量,并以其作为代谢率;通过红外光源录象系统同步纪录仔鲱的游泳活动,从而首次实现仔鱼在不同温度条件下代谢与活动的相关。同时,还分别测定仔鲱在浅麻醉(静止)和黑暗状态下的耗氧量。仔鲱的实验和饲养温度一致,分为7.3,11.0和12.9°C 3个组别。结果表明,仔鲱在常规、静止和黑暗条件下的耗氧量均与体重显著相关,且随温度而提高。仔鲱的静止耗氧(Vo2,μg/h)约是常规的1/2。它与干体重(M,mg)及温度(T,°C)的相关式为:VO2=0.394M 0.677e0.129T。在呼吸器中仔鲱的活动水平较之在自由游泳时低。仔鲱的净活动耗氧由常规耗氧减去静止耗氧,其体重指数为1.05。净活动耗氧在低温组(7.3°C)显著大于高温组。初步估测仔鲱的活动、维持及生长的相对能耗;自由游泳仔鱼的活动代谢率约是静止水平的9倍;而其常规代谢率按个体大小不同,约是静止水平的5-8倍。
关键词:    仔鱼  温度  活动  呼吸测定  代谢率
DOI:
分类号:
基金项目:苏格兰海洋科学协会(SAMS)的资助
附件
THE INFLUENCE OF TEMPERATURE AND ACTIVITY ON OXYGEN CONSUMPTION OF LARVAL HERRING (CLUPEA HARENGUS L.)
Yin Mingcheng,R.S.Batty,C.E.Franklin,I.A.Johnston
1.Shanghai Fishcrics Unipersi,y, Shanghai 200090;2.SAMS, Dunstaffnage Marine Laboratory, Scotland, U. K.;3.Gatty Marinc Laboratory, University of St. Andrewt, Scoiland, U. K.
Abstract:
The metabolic rate of Atlantic herring (Clupea harengus L.) larvaewas measured as oxygen uptake within sealed respirometer chambers using couloximetry. Larvae were reared and tested at three temperatures (7.3, 11.0 and 12.9°C) in order to avoid the acute effects of transfer. Anaesthesia allowed basic resting oxygen uptake to be measured. and video recording of activity enabled correlation of activity levels with rates of oxygen uptake. Oxygen consumption varied with body mass, temperature and activity level and was reduced in darkness.

The lowest rates of oxygen uptake (O2 μg/h) were recorded under shallow anaesthesia to provide the following estimate of basic metabolism VO2(BOU)=0.394M 0.677e0.129T. where M is dry body mass (mg) and T is temperature (°C). Activity in the respiration chambers was less than that reported for free swimming herring larvae. Net oxygen consumption due to activity, after subtracting basic metabolism, had a mass exponent of 1.05 and swimming activity was significantly more energy expensive at 7.3°C than at higher temperatures. The relative energy requirements for activity and for maintenance/growth were assessed. Free swimming larvae were estimated to have an active metabolic rate of up to 9 times that at the resting level, and depending on body size, a usual metabolic rate of 5 to 8 times that at the resting level.

Key words:  Atlantic herring, Fish larvae, Temperature, Swimming exercises, Respirametry, Metabolic rate
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