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1、安徽农业科学,JournalofAnhuiAgri.Sci.2007,35(24):7498-7499责任编辑孙红忠责任校对李洪环境温度对水产养殖定量化影响的研究1112郭秀云,王胜,吴必文,石磊(1.安徽省气候中心,安徽合肥230031;2.安徽省气象局,安徽合肥230061)摘要分析了环境温度条件对水产养殖的作用,从而为生产实践借鉴。分别对自然池塘溶解氧以及人工增氧情况下的水体中溶解氧与水温进行观测,研究了水温与养殖水体溶解氧、pH值及氨氮量的关系。并分别以尼罗罗非鱼、中华鳖和文种金鱼为养殖对象,系统地分析了水温对养殖对象生长、摄食、繁殖机能的影响。水温与溶氧量
2、关系符合等比级曲线模型,水温与氨氮总量整体上呈负相关。不同水产生物对水温具有不同的适应性,在适温范围,水温越高,养殖对象摄食量越大,生长速度越快,饵料系数越小。水温的高低直接决定着受精卵的孵化时间,在适温范围内,水温越高孵化时间越短。水温不仅影响养殖水体水质状况,还影响养殖对象的生长发育。关键词水温;水环境因子;水产养殖中图分类号S96文献标识码A文章编号0517-6611(2007)24-07498-02ResearchontheEffectofEnvironmentalTemperaturesonQuantifyingAquacultureGUOXiu-yune
3、tal(ClimateCenterofAnhuiProvince,Hefei,Anhui230031)AbstractThepurposewastoanalyzethefunctionoftemperatureconditiononaquaculturesystematically,whichwouldbeusedasreferenceforproduc-tionpractice.Thedissolvedoxygencontentinnaturalpondandthewatertemperatureanddissolvedoxygencontentinwaterbo
4、dyunderincreasingoxygenartificiallyweredeterminedrespectivelytostudytherelationshipofwatertemperatureanddissolvedoxygencontent,pHandammoniaamount.AndwithSarotherodonniloticusTilapia,TrionyxsinensisandChineseOrandaasaquicultureobjects,theeffectofwatertemperatureonthegrowth,feedingandre-
5、productivefunctionofaboveaquicultureobjectswereanalyzedsystematically.Therelationshipbetweenwatertemperatureanddissolvedoxygencontentac-cordedtoequalratiogradecurvemodelandthewatertemperaturenegativelyrelatedtototalamountofammonianitrogenasawhole.Differentaquaticor-ganismshaddifferenta
6、daptabilitiestowatertemperature,andinsuitabletemperaturerangethehigherthewatertemperaturewas,thebiggerthefeedingamountwas;andthehigherthegrowingspeedwas,thesmallerthebaitcoefficientofculturingobjectwas.Thewatertemperaturedecidedtheincubationtimeoffertilizedeggdirectlyandthehigherthetem
7、peraturewas,theshortertheincubationtimewasinsuitabletemperaturerange.Thewatertemperaturenotonlyinfluencedthewaterqualityofaquaculturewater,butalsoinfluencedthegrowthanddevelopmentofculturingobject.KeywordsWatertemperature;Waterenvironmentfactor;Aquaculture1环境温度对养殖水体水质的影响植物所必需的,但水体中的氨
