温度、盐度和光照周期对刺参生长及行为的影响

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1、维普资讯http://www.cqvip.com第31卷第5期水产学报Vo1．31．No．52007年9月JOURNALOFFISHERIES0FCHINASep．，2007文章编号：1000—0615(2007)05—0687—05·研究简报·温度、盐度和光照周期对刺参生长及行为的影响陈勇，高峰，刘国山，邵丽萍，石国锋(大连水产学院辽宁省海洋牧场工程技术研究中心，辽宁大连116023)关键词：刺参；温度；盐度；光照周期；生长中图分类号：S968．3文献标识码：ATheefectsoftemperatu

2、re，salinityandlightcycleonthegrowthandbehaviorofApostichopusjaponicusCHENYong，GAOFeng，LIUGuo—shan，SHAOLi—ping，SHIGuo—feng(LiaoningOcean肌EngineeringResearchCenter，DalianFisheriesUniversity，Dalian116023，China)Abstract：Apostichopusjaponicuswasrearedunderdif

3、ferenttemperatures，salinitiesandlightcyclesSOastoanalyzetheeffectsoftemperature，salinitiesandlightcycleonthegrowthandbehaviorofit．A．japonicusweresampledfromDakoujingShrimpCulturalCage，LtishunCity，whichwere1．year—old，andwereaccustomedtotheexperimentalcond

4、itionsfortwodaysbeforeeachexperiment．Theaverageinitialbodywetweightoftheexperimentalseacucumberwas36．89g(25．24—59．11g)，andtheaverageinitialbodylengthwas6．68cm(5．12—8．74cm)．Inthetemperatureexperiment，theseacucumberswererearedinsixplasticbarrels(thecubageo

5、feachwasabout60Landonebrickineachbarre1)atsixtemperatures(9．12，l5，l8，21and24℃)．Theresultsshowedthatthebodywetweightincreasedunder9—21℃and15℃wastheoptimumtemperaturetothegrowthofA．japonicus．Whenthetemperaturewasbeyond22℃．A．japonicusbegantoaestivate．Assoon

6、asthetemperaturebelow20℃．aestivationwasover．Inthesalinityexperiment，theseacucumberswererearedinthesameplasticbarrelsundersixsalinities(23，26。29，32，35and38)．ThesalinityforgrowthoftheA．japonicuswas29-33．andtheoptimumsalinitywas32，thereasonofwhichwasthatthe

7、seacucumbershadbeenaccustomedtotherangeofsalinityintheoceanforalongtime．TheA．japonicuswererearedinfourplasticbarrelsforthelightcycleexperiment．andtheconditionsofthebarrelswerefullylight(24一hour—light)，fullydark(24．hour．dark)，halflightdark(12一hour—lightan

8、d12一hour—dark)andnaturallight．Thegrowthoftheseacucumberswasbestunderthehalflightdarkcondition，andworstunderthefullydarkcondition．Inadditionthecorrelationanalyses，weregivenineachexperiment．Keywords：Apostichopusjaponicus；tem