TurkJZool 28(2004)145-148 ©TÜB‹TAK AStudyontheConchologicalFeaturesofTwoPopulationsof Bulinustruncatus (Gastropoda:Pulmonata)inTurkey* R›dvanfiEfiEN BiologyDepartment,ScienceandArtFaculty,DicleUniversity,TR-21280Diyarbak›r-TURKEY Received:21.11.2002 Abstract: SofarBulinustruncatus sampleshavebeenfoundintwolocalitiesinTurkey.Haburstream,Ceylanp›nar,fianl›urfa,and waterflowatBolatlarvillage,Akçakale,fianl›urfa. Inthisstudy,theconchologicalfeaturesofsamplesobtainedfromthosetwolocalitieswereinvestigatedandtheresultswere compared. Inbothlocalities,theshellsofthethecollectedsamplesaresinistralandhavedepressedspireregions.Fromthesamplesco llected intheAkçakaleregion(Bolatlarvillage),averageshellheight,shellwidth,apertureheightandaperturewidthofthe21shel lsand widthofshell/heightofshell,widthofaperture/heightofaperture,heightofaperture/heightofshellandwidthofapertur e/width ofshelloftheseshellsweremeasured.TheseresultswerecomparedwithdatafromCeylanp›nar,wheresampleswereobtained duringapreviousstudy.Wefoundtherewasnoimportantdifferencebetweenthetwolocalities(cd<1.50). KeyWords: Pulmonata,Bulinustruncatus,Shell Bulinustruncatus (Gastropoda:Pulmonata)’unYurdumuzdaYaflayanPopulasyonlar›n›n Kavk›ÖzellikleriÜzerineBirÇal›flma Özet: Bulinustruncatus türü,yurdumuzdaflimdiyekadarsadeceikilokalitedesaptanm›flt›r.Buçal›flmada,bulokalitelerdentoplanan Bulinustruncatus örneklerininbaz›kavk›özellikleriincelenmiflvesonuçlar›karfl›laflt›r›lm›flt›r. Herikilokalitedentoplananörneklerinsinistral,spirbölgeleribas›k,aperturlar›yüksekvegenifltir.Örneklerinkavk›yüksekli¤i(ky), kavk›geniflli¤i(kg),aperturyüksekli¤i(ap),aperturgeniflli¤i(ag)ilebunlardaneldeedilenkg/ky,ag/ay,ay/kyveag/kgoranlar›olmak üzere8de¤iflkenhesaplanm›flvebude¤iflkenlerinmimimum,maksimum,ortalamavestandartsapmade¤erleribirtablohalinde verilmifltir.Di¤erbirtablodaiseherikipopulasyonaaitörneklerinfarkl›l›kkatsay›lar›(cd)hesaplanm›flt›r.Herikipopulasyonunkavk› ölçümleriaras›ndaönemlibirfark›nolmad›¤›(cd<1.50)saptanm›flt›r. AnahtarSözcükler: Pulmonata,Bulinustruncatus,Kavk› Introduction 1987).Duetothemedicalimportanceof B.truncatus,a AsaresultoftheSoutheasternAnatoliaProject(GAP) numberofstudieshavebeendoneinthisareaandthis inTurkeymanynewirrigationchannelsarebeing specieswasfoundforthefirsttimeinCeylanpınar,atown constructed,someofwhichhavebeencompleted(Özcel, intheprovinceoffianlıurfa(Schüttandfieflen,1989;fieflen 2000).Thiswillprovidegoodconditionsforfreshwater andYıldırım,1993).Later,itwasfoundinAkçakale, life,especiallyforfreshwateranimals,suchasinsectsand anothertownoffianlıurfa(Özceletal.,1996).fianlıurfais otherinvertebrates,includingfreshwatersnails. locatedintheheartofGAP,whichcomprisesmanydams Freshwaterpulmonatesnailsareofmedicalandveterinary andirrigationsystems.Luckily,inbothpopulations,snails importance(MalekandCheng,1974).Amongthesesnails infectedwithtrematodahavenotyetbeenfound. themostimportantis Bulinustruncatus duetoits However,thepresenceofthesnailscarriestheriskof intermediatehostshipofthebloodfluke Schistosoma potentialinfection.Inthisstudy,thepopulationsin haematobium.B.truncatus livesnearTurkey’sborderwith CeylanpınarandAkçakalearecomparedconchologically. SyriaandIraqandiswellknownasatransmitterof Themainaimofthisstudyistodrawattentiontothe schistosomiasisinthesecountries(Ahmed,1965;WHO, presenceofB.truncatus intheGAPregion. *ThisworkwaspresentedattheXVINationalBiologyCongressheldin‹nönüUniversity,Malatyaon4-7September2002. 145 AStudyontheConchologicalFeaturesofTwoPopulationsof Bulinustruncatus (Gastropoda:Pulmonata)inTurkey MaterialsandMethods freshwatersnailsofthe Bulinus africanus group Forthisstudy,allsampleswerecollectedbythe (KristensenandChristensen,1989), Bulinus truncatus author.DatafortheAkçakalepopulationwereobtained Tropicuscomplex(Mukaratirwaetal.,1998)andonthe from21samplescollectedinthefield(Table1),butdata landsnailgenus Assyriella livinginsoutheasternAnatolia fortheCeylanpınarpopulationwereobtainedfroma (Akbayınetal.,2001).Inthesestudieshs,ws,haandwa previousstudydoneon80species(Bilginandfieflen, andderivedfromws/hs,wa/ha,ha/hsandwa/wswere 1992).SamplesfromAkçakalewerecollectedrandomly used.Inthisstudytheabovemeasurementswerealso andbroughttothelaboratory.Samplesover6.5mmwere taken.InTable1,theaverageresultsofthe21samples separatedfromsmallerones.Amongthesamplesover6.5 intheAkçakalepopulationare(asanaverageofthe21 mm,21ofthemwererandomlychosenforcomparison samples):hs:8.11mm(min.6.80mm–max.11.00 studies.Eachofthesampleswasdescribedbyeight mm),ws:5.65mm(4.70-8.00),ha:4.54mm(3.90- measurements.Fourofthesemeasaurementswere 7.40)andwa:3.12mm(2.50-5.00).Deriveddataare: obtainedbyaclippercompass,whileotherdatawere ws/ha:0.70(0.64-0.74),wa/ha:0.69(0.63-0.81), derivedfromthefirstmeasurements.Shellmeasurements ha/hs:0.56(0.48-0.67)andwa/ws:0.55(0.50-0.63). includedheightofshell(hs),widthofshell(ws),heightof TheSDofhs,ws,ha,wa,ws/hs,wa/ha,ha/hsandwa/ws aperture(ha),andwidthofaperture(wa).Deriveddata are1.24,0.87,0.98,0.64,0.02,0.05,0.05and0.03 are ws/hs, wa/ha, ha/hsandwa/ws.Foralldata,the respectively. minimum(min.),maximum(max.)averageandstandard Thedataofws/hs,ha/hs,wa/ws,wa/haandtheirSD deviation(SD)valueswerecalculated(Table1).Shell wereobtainedfromapreviousstudy(Bilginandfieflen, featuresofthetwopopulationsarecomparedinTable2. 1992).InTable2,wecomparethetwopopulationsin Thecoefficientofdifferencewascalculatedwiththe formula(CD=(M1-M2)/(SD1+SD2))andthe AkçakaleandCeylanpınar. coefficientvariabilitywascalculatedwiththeformula(cv Thecoefficientofdifferencesbetweenthetwo =SDx100)/M(intheseformulasMshowstheaverage populationsarecalculatedforws/hs,ha/hs,wa/wsand ofthedatawhileCDisthecoefficientofdifference,SDis wa/ha.Theresultsare0.16,1.02,0.52and1.28 thestandarddeviationandcvisthecoefficientvariability). respectively.Asforthecoefficientofdifferencesitwas ≤ 1.28:thereisnosignificantdifferencesbetweenthetwo populations.Thecoefficientofdifferencesrangesfrom ResultsandDiscussion 0.12to1.28.Thecoefficientvariability(cv)ofthetwo Theconchologicalfeaturesofsnailsareoftenusedto populationsiscalculatedseparatelyforws/hs,ha/hs, differentiatepopulationsorspeciesofthesamegenus. wa/wsandwa/ha.TheresultsforCeylanpınar’s Forexample,similarstudieshavebeenperformedon populationare5.63,15.28,11.67and15.38 Table1.Shellindexof BulinustruncatuscollectedfromBolatlarvillage,Akçakale. N Min. Max. Average SD HS 21 6.80mm 11.00mm 8.11mm 1.14 WS 21 4.70mm 8.00mm 5.65mm 0.87 HA 21 3.90mm 7.40mm 4.54mm 0.98 WA 21 2.50mm 5.00mm 3.12mm 0.64 WS/HS 21 0.64 0.74 0.70 0.02 WA/HA 21 0.63 0.81 0.69 0.05 HA/HS 21 0.48 0.67 0.56 0.05 WA/WS 21 0.50 0.63 0.55 0.03 HS:Heightofshell,WS:Widthofshell,HA:Heightofaperture,WA:Widthofaperture,N: Numberofsamples,Min.:Minimum,Max.:Maximum,SD:Standarddeviation. 146 R.fiEfiEN Table2.Comparisonoftwopopulationsof Bulinustruncatus collectedinthefianlıurfaarea. WS/HS N Average sd cd cv Ceylanp›nar 80 0.71 0.04 0.16 5.63 Akçakale 21 0.70 0.02 3.10 HA/HS N Average sd Cd cv Ceylanp›nar 80 0.72 0.11 1.02 15.28 Akçakale 21 0.56 0.05 8.84 WA/WS N Average sd Cd cv Ceylanp›nar 80 0.60 0.07 0.52 11.67 Akçakale 21 0.55 0.03 5.38 WA/HA N Average sd Cd cv Ceylanp›nar 80 0.52 0.08 1.28 15.38 Akçakale 21 0.69 0.05 7.50 HS:Heightofshell,WS:Widthofshell,HA:Heightofaperture,WA:Widthofaperture,N: Numberofsamples,sd:Stardarddeviation,cd:Coefficientofdifference,cv:Coefficientof variability. respectively.ThecvresultsforAkçakale’spopulationare populationhasmorevariabiltysinceitscoefficient 3.10,8.84,5.38and7.50respectively.Thoseresults variabilityrangesfrom5.63(forws/hs)to15.38(for showthattheAkçalalepopulationhasmoreuniformityin wa/ha).Thetwopopulationsareabout120kmfrom shellmeasurements.Itscoefficientvariabilityranges eachother.Theyliveneartworiversystemsthatflow between3.10and8.84.However,theCeylanpınar towardSyriaandthenjointheEuphrates(Fırat)River. References Ahmed,A.A.1965.AssignmentReport,Bilharziasiscontrolinthe Malek,E.A.andCheng,T.C.1974.MedicalandEconomicMalacology. SyrianArabRepublic.WHO,EMRO,EM,BIL,32,15-18. AcademicPress.NewYorkandLondon,398p. Akbayın,H.,Hevedanlı,M.andfieflen,R.2001.SomeAssyriella Species Mukaratirwa,S.,Kristensen,T.K.,Siegismund,H.R.andChandiwana, inSouthEastAnatoliainTurkeyDifferentiatedbyMultivariate S.K.1998.Geneticandmorphologicalvariationofpopulations Analysis(Gastropoda:Pulmonata:Helicidae).TurkJZool25:1- belongingtotheBulinustruncatus Tropicuscomplex(Gastropoda: 9. Planorbidae)insouthwesternZimbabwe.J.Mollus.Stud.64: 435-446. Kristensen,T.K.andChristensen,A.G.1989. Bulinusafricanus Group SpeciesinWestAfricaDifferentiatedbyMorphometricAnalysis Özcel,M.A.2000.GAPveParazitHastalıkları.TürkiyeParazitoloji (Gastropoda,Planorbidae).J.Mollus.Stud.55:103-110. Derne¤iyayınları.‹zmir. 147 AStudyontheConchologicalFeaturesofTwoPopulationsof Bulinustruncatus (Gastropoda:Pulmonata)inTurkey Özcel,M.A.,fieflen,R.andAlkan,M.Z.1996.Astudyonthe fieflen,R.andYıldırım,M.Z.1993.AstudyonTurkishfreshwatersnails distributionof Bulinustruncatus ,theintermediatehostof thathaveparasitologicalimportance.T.Parasitol.Derg.17:138- Schistosomahaematobium causedhumanbloodsheedingdissease 147. inAkçakale,atownoffianlıurfa.JournalofTurkishParasitology WorldHealthOrganisation1987.Atlasoftheglobaldistributionof Society,20:349-335. schistosomiasis.SyrianArabRepublic-Turkey-Lebanon. Schütt,H.andfieflen,R.1989.ThefreshwatermolluscsofCeylanpınar, CEGET_CNRS/OMS-WHO,350-313,1987. TR-fianlıurfa.ZoologyintheMiddleEast,3:55-58. fieflen,R.andBilgin,F.H.1992.Diyarbakır,Mardinvefianlıurfaillerinin bazıtatlısularındatoplananmolluskatürleriüzerindezooco¤rafik vetaksonomikçalıflmalar.XI.UlusalBiyolojiKongresi,24-27 Haziran1992,Elazı¤,Hidrobiyoloji,207-216. 148.