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当前位置: 首页 > 文章 > 温度变化对虾夷扇贝耗氧率和排氨率的影响 中国水产科学 2010,17 (5) 1101-1106
Position: Home > Articles > Effects of temperature elevation on oxygen consumption rate and ammonia excretion rate of Patinopecten yessoensis Journal of Fishery Sciences of China 2010,17 (5) 1101-1106

温度变化对虾夷扇贝耗氧率和排氨率的影响

作  者：
徐东;张继红;王文琪;杜美荣;任黎华;王忠
单  位：
青岛农业大学;中国水产科学研究院
关键词：
虾夷扇贝;温度骤变;温度缓变;耗氧率;排氨率
摘  要：
为探索虾夷扇贝(Datinopecten yessoensis)夏季大量死亡的生理原因,模拟虾夷扇贝筏式养殖区夏季水温变化情况,采用室内控温实验,研究了温度剧烈和缓慢变化对虾夷扇贝耗氧率和排氨率的影响及其影响的差异性。实验设置10℃、15℃、20℃、25℃4个温度梯度,设计温度骤变(每小时升温5℃)和温度缓变(每天升温1℃)2种温度处理方式,测定升温前后耗氧率和排氨率。结果显示,温度变化对虾夷扇贝耗氧率和排氨率影响显著(P<0.05)。温度缓变组耗氧率变化范围为1.910～2.722mg(/g·h),排氨率变化范围为1.499～5.003μm/(g·h),耗氧率(OR)和排氨率(NR)与温度(T)之间的相关方程为OR=2.303+0.425T-0.133T(2R2=0.941)和NR=-1.536+4.384T-0.893T(2R2=0.435)。温度骤变组耗氧率和排氨率大于温度缓变组,且温度骤变组耗氧率在15℃、20℃和25℃,排氨率在20℃和25℃与温度缓变组差异显著(P<0.05)。
译  名：
Effects of temperature elevation on oxygen consumption rate and ammonia excretion rate of Patinopecten yessoensis
作  者：
XU Dong1,2,ZHANG Jihong2,WANG Wenqi1,DU Meirong2,Ren Lihua1,2,WANG Zhong1(1.Qingdao Agricultural University,Qingdao 266109,China;2.Yellow Sea Fisheries Research Institute,Chinese Academy of Fishery Sciences,Qingdao 266109,China)
关键词：
Patinopecten yessoensis;acute temperature change;chronic temperature change;oxygen consumption rate;ammonium excretion rate
摘  要：
In order to investigate the reason of massive mortality of scallop,Patinopectenyessoensis in summer,the effects of water temperature variation on oxygen consumption and ammonium excretion rates of scallops were studied in laboratory by simulating changes of water temperature in raft culture area in summer.Scallops were exposed under four temperature of 10℃,15℃,20℃and 25℃.Each temperature was achieved by rapid(5℃/h)and chronic(1℃/day) changing respectively.Oxygen consumption rate and ammonia excretion rate were measured before and after chang.The result showed that the rates of oxygen consumption and ammonium excretion of P.yessoensis were affected significantly by temperature variation(P<0.05).In the test with chronic temperature variation,the oxygen consumption rates ranged from 1.910mg(/g·h)to 2.722mg(/g·h)and the excretion rates ranged from 1.499 to 5.003μm(/g·h).The relationship between temperatur(eT)and oxygen consumption rat(eOR)or ammonia excretion rate(NR)were described as ORmg(/g·h)=2.303+0.425T-0.133T 2(R2=0.941)and NRμmol(/g·h)=-1.536+4.384T-0.893T 2(R2=0.435),respectively.In the test with acute temperature variation,the oxygen consumption rates at 15℃,20℃and 25℃and ammonia execretion rates at 20℃and 25℃were significantly higher than those of chronic temperature test(P<0.05).

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