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1、中國藎學(xué)c丕握2016,32(28):155-159ChineseAgriculturalScienceBulletin沉水植物苦草和輪葉黑藻對(duì)水環(huán)境的影響尚媛媛,關(guān)保華,鄭建偉,康玉輝(貴州省氣象服務(wù)中心,貴陽550002;2中科院南京地理與湖泊研究所湖泊與環(huán)境國家重點(diǎn)實(shí)驗(yàn)室,南京210008;南京信息工程大學(xué),南京210004;4湖北省水力水電科學(xué)研究院,武漢430070)摘要:為了研究沉水植物苦草和輪葉黑藻的對(duì)水環(huán)境的影響,在控制條件下單獨(dú)種植苦草、輪葉黑和二者混種,筆者比較研究了苦草、苦草+黑藻、黑藻組合水體中總氮(TN)、總磷(TP)、銨氮
2、(NH4一N)、綠素a、總懸浮質(zhì)(Tss)及總有機(jī)氮(TOC)-~度的區(qū)別。結(jié)果表明:苦草和輪葉黑藻對(duì)水環(huán)境的影響不同,單獨(dú)種植苦草時(shí),上覆水中總氮和氨氮含量高于其他處理,但總磷、葉綠素、TSS和TOC含量都低于輪葉黑藻單種和混種處理。研究結(jié)果說明,苦草對(duì)于降低上覆水中總磷和葉綠素含量作用優(yōu)于輪葉黑藻,對(duì)維持水體水質(zhì)有良好效果。關(guān)鍵詞:苦草;黑藻;沉水植物;水環(huán)境中圖分類號(hào):Q14文獻(xiàn)標(biāo)志碼:A論文編號(hào):casb16030204verticillata:theInfluenceOilⅥterEnvironmentShangYuanyuan,GuanB
3、aohua,ZhengJianwei。,KangYuhui(MeteorologicalServiceCenterofGuizhou,Guiyang550002;StateKeyLaboratoryofLakesandEnvironment,NanjingInstituteofGeographyandLimnology,ChineseAcademyofSciences,Naming210008;NanfingUniversityofInformationScienceandTechnology,Naming210004;4HubeiInstitute
4、ofHydraulicandHydropower,Wuhan430070)Abstract:ThepaperaimstostudytheinfluenceofsubmergedplantsVMlisnerianatansandHydnTlaverticillataonwaterenvironment,VMlisnerianatansandHydrillavertieillatawereplantedaloneandmixedundertherestrainedconditions.Theauthorscomparativelystudiedtheco
5、ncentrationdifferenceoftotalnitrogen(TN),totalphosphorus(TP),ammoniumnitrogen(NH4一N),chlorophyll—a,totalsuspendedmass(TSS)andtotalorganicnitrogen(TOC)inthewaterofVallisnerianatansalone,Hydrillaverticillataaloneandmixed藻葉ofthetwo.Theresultsshowedthat:theinfluenceofVallisnerianat
6、ansandHydrillavertieillataonwaterenvironmentwasdifferent.WhenVallisnerianatanswasplantedalone,thecontentoftotalnitrogenfTN1andammoniumnitrogen(NH4一N)inoverlyingwaterwashigherthantheothertwoprocessingmethods,butthecontentoftotalphosphorus(TP)andchlorophyll—a,TSSandTOCwerelowerth
7、anthatofHydrillaverticillataplantedaloneandthemixedplantingofthetwo。TheresultsalsoshowedthatVMlisnerianatanswhichcouldreducethecontentoftotalphosphorusandchlorophyll——ainoverlyingwaterwasbetterthanHydrillaverticillata,ithadagoodeffectonmaintainingwaterquality.Keywords:Vallisner
8、ianatans;Hydrillaverticillata;submergedplants;waterenv