| EFFECTS OF ENVIRONMENTAL OXYGEN DEFICIENCY ON EMBRYOS AND LARVAE OF BAY SCALLOP,ARGOPECTEN IRRADIANS IRRADIANS |
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| 作者姓名： | 王春德 张福绥 |
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| 作者单位： | Institute of Oceanology，Chinese Academy of Sciences，Qingdao 266071 |
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| 摘 要： | The experimental results showed that:1) The embryonic development of bay scallop is inhibited ata dissolved oxygen range of 1.38-3.64×10~(-3)at 23℃,and completely blocked below the lower limit.2)The tolerance of larvae to anoxia increased with larval sizes and was related to their oxygen debt.3)The scallop larvae exhibited specific behavioral responses to oxygen deficiency,which finally led tovelum disintegration and larval death.The possible relationship between environmental oxygen deficien-cy and the disease of disintegration of the larval Velum is also discussed.In this study,considerableoxygen debt was found in bay scallop larvae,which was greater in small animals.Based on the worksof previous authors,a new concept is proposed for the estimation of oxygen debt,namely,thecompensatory rate of oxygen debt(CROD).This can be used in intra-or interspecific comparison ofoxygen debt.The results can be helpful in the management of water quality and for the prevention oflarval diseases encountered in scallo
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EFFECTS OF ENVIRONMENTAL OXYGEN DEFICIENCY ON EMBRYOS AND LARVAE OF BAY SCALLOP,ARGOPECTEN IRRADIANS IRRADIANS* |
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| WANG Chun-de,ZHANG.EFFECTS OF ENVIRONMENTAL OXYGEN DEFICIENCY ON EMBRYOS AND LARVAE OF BAY SCALLOP,ARGOPECTEN IRRADIANS IRRADIANS[J].Chinese Journal of Oceanology and Limnology,1995(4). |
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| Authors: | WANG Chun-de ZHANG |
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| Abstract: | |
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| Keywords: | Argopecten irradians irradians embryo larvae CROD oxygen deficiency |
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