泥蚶、缢蛏和僧帽牡蛎呼吸与排泄的周年变化  被引量:9

Annual change of respiration and excretion of Tegillarca granosa,Sinonovacula constricta and Saccostrea cucullata

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作  者:焦海峰 项翔[3] 尤仲杰[1,2] 严小军 

机构地区:[1]宁波市海洋与渔业研究院,浙江宁波315012 [2]宁波大学海洋学院,浙江宁波315211 [3]海洋出版社,北京100081

出  处:《海洋学报》2013年第6期147-153,共7页

基  金:欧盟第六框架项目(INCO-CT-2004-510706);宁波市科技局重大招标项目资助(2006c100030);宁波市科技计划重大项目(2010c10011)资助

摘  要:于2005年5月至2006年3月对浙江沿岸重要的3种经济贝类泥蚶、缢蛏和僧帽牡蛎的呼吸率与排泄率进行了周年研究。结果表明:泥蚶、缢蛏和僧帽牡蛎耗氧率的变化范围分别为0.11~5.05mg/(g·h)、0.77~5.97mg/(g·h)和0.33~5.47mg/(g·h),排氨率的变化范围分别为21.51~1078.63μg/(g·h),26.97~990.73,a/(g·h)和32.12~1378.67μg/(g·h);耗氧率与排氨率9月份最高,1月份最低。经单因素方差分析发现,3种实验贝类月际的耗氧率与排氨率均存在极显著差异(p〈0.01),经配对,厂检验发现,缢蛏(SC)和僧帽牡蛎(SCA)之间的耗氧率存在着显著差异T(SC-SCA)=3.184,P=0.024),泥蚶(TG)与缢蛏、僧帽牡蛎的耗氧率之间都不存在差异(T(TC-SC)一1.887,P=0.118;T(TC-SCA)=0.246,P=0.815),泥蚶、缢蛏和僧帽牡蛎之间的排氨率的差异均不显著(T(TC-Sc),=0.977,P=0.373;T(TC-SCA)=2.369,p=0.064;T(SC-SCA)=1.002,p=0.362)。3种贝类的耗氧率与排氨率均随温度的升高而升高,经回归分析发现,耗氧率和排氨率与温度的变化均呈较显著的幂指数性相关inN:lna+6lnT(y—aebT)。泥蚶呼吸排泄O:N变化范围为4.69~28.55,缢蛏和僧帽牡蛎的O:N变化范围分别为:4.68~37.89和3.04~10.27。The annual oxygen consumption rate and ammonia excretion rate of three species of bivalve in Zhejiang province were investigated from May 2005 to March 2006. The results showed oxygen consump tion rates of Tegillarca granosa, Sinonovacula constricta and Saccostrea cucullata ranged from 0. 11 mg/ (g · h) to 5.05 mg/(g · h), from 0.77 mg/(g . h) to 5.97 mg/(g · h) and from 0.33 mg/(g · h) to 5.47 mg/(g · h),ammonia excretion rate of three shellfish ranged from 21.51 /μg/(g · h) to 1 078.63 /μg/(g · h), from 26.97 /μg/(g · h) to 990.73 /μg/(g · h) and from 32.12 ffg/(g · h) to 1 378.67/μg/(g · h). The oxygen consumption and ammonia excretion rate changed greatly in different months (p〈0.01), the grea- test was in September and the lowest was in January. The results of Paired-Sample Test showed that there were significant differences of oxygen consumption rate between Sinonovacula constricta (SC) and Sac- costrea cucullata(SCA), the value of T(sc SCA) was 3. 184(p=0. 024), while there were no differences be tween Tegillarca granosa (TG) and Sinonovacula constricta (SC) (TcTv_SC) = 1. 887, p = 0. ] 18) or be tween Tegillarca granosa and Saccostrea cucullata(SCA) (T(rc-sca)=0. 246, p=0. 815). There were no differences of ammonia excretion rate among three shellfish (T(Tv sc)= 0. 977, p = 0. 373 T(Tv SCA = 2. 369, p=0. 064 T(sc-sCA =1. 002, p=0. 362). The relationships between temperature (T) and oxygen

关 键 词:泥蚶 缢蛏 僧帽牡蛎 呼吸 排泄 

分 类 号:P714[天文地球—海洋科学]

 

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