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《磷和铁对洋河水库螺旋鱼腥藻生长的影响.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、第32卷第1期生态科学32(1):115—1192013年3月EcologicalScienceNOV.2013刘海陆,徐颖,刘建辉,李芸.磷和铁对洋河水库螺旋鱼腥藻生长的影响[J].生态科学,2013,32(1):1150119.LiuHai—lu,XuYing,LiuJian-hui,LiYun.EfectofphosphorousandirononthegrowthofAnabaenaSpiroidesfromtheYangheReservoir[J].EcologicalScience,2013,32(1):118-0123.磷和铁对洋河水库螺旋鱼腥藻生长的影
2、响刘海陆,徐颖,刘建辉2,李芸1.辽宁工程技术大学,辽宁省阜新市1230002.湖南农业大学,长沙市410128【摘要】以有机磷(B一甘油磷酸二钠盐)为磷源,通过添加的不同营养物质(高浓度铁、厌氧底泥浸出液、微量元素),比较螺旋鱼腥藻的生长差异,找寻洋河水库限制螺旋鱼腥藻最大生物量的营养因素,进而评价磷和铁对螺旋鱼腥藻生长的影响。结果表明:磷和铁同时限制了螺旋鱼腥藻的生长,且磷的促进作用大于铁;螺旋鱼腥藻在磷浓度为0.1mg/L,添加高铁条件下获得最大生物量。添加磷浓度为0.02mg/L时,磷和铁之间不存在交互作用;而当添加磷浓度>0.02mg/L时,磷和铁之间存在交
3、互作用。而加磷的同时添加厌氧底泥浸出液及微量元素对螺旋鱼腥藻生长则有抑制作用。关键词:螺旋鱼腥藻;有机磷;铁;厌氧底泥浸出液;微量元素doi:10.3969~.issn.1008.8873.2013.01.020中图分类号:Q89,x5文献标识码:A文章编号:1008-8873(2013)01—115-05EffectofphosphorousandirononthegrowthofAnabaenaSpiroidesfromtheYangheReservoirLiuHai.1u,XuYing,LiuJian.hui,LiYun1.LiaoningTechnicalUn
4、iversity,FuxinLiaoning123000,China2.HunanAgriculturalUniversity,Changsha410128,ChinaAbstract:ThegrowthdiferenceofAnabaenaspiroideswasinvestigatedusingorganicphosphorous(3-Glycerolphosphatedisodiumsaltpentahydrate)withdiferentnutrition(highironconcentration,anaerobicleachate.traceelement
5、)enrichment.WlealsodeterminedwhichnutrientlimitedthemaximumbiomassofAnabaenaspiroidesintheYangheReservoirandassessedtheinteractionbetweenphosphorusandiron.TheresultsshowedthatphosphoruslimitedthegrowthofAnabaenaspiroides.asdidironintheYangheReservoir.Moreove~theefectofphosphoruswasmores
6、ignificantthanthatofiron.Whentheconcentrationofphosphoruswas0.1mg/L,aftertheadditionofiron.Anabaenaspiroideshadthemaximumbiomass.WhentheconcentrationofphosphoruswasO.02mg几,therewasnointeractionbetweenphosphorusandiron.However,whentheconcentrationofphosphoruswashigherthan0.02mg/L.therewa
7、sinteractionbetweenphosphorusandiron.ThegrowthofAnabaenaspiroideswasinhibitedwhenaddingphosphorusandanaerobicIeachateortraceelement.Keywords:Anabaenaspiroides;organicphosphorous;iron;anaerobicleachate;traceelement收稿日期:201209.17收稿,2012.12—10接受基金项目:国家自然基金(51174266)作者简介:刘海陆(1987一)
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