劉家峽水庫網(wǎng)箱養(yǎng)魚場纖毛蟲生態(tài)學研究.pdf

1、國黟業(yè)軒缸史學碩士學位論文劉家峽水庫網(wǎng)箱養(yǎng)魚場纖毛蟲生態(tài)學研究劉智峰導師姓名職稱：——』n童蘭—j韭敦攫———————一專業(yè)名稱：生盔堂研究方向：垣銎生盔堂論文答辯日期：2QQ2生5目學位授予日期：——答辯委員會主席評閱人二00七年五月AbstractThecommunitystructureofciliatesinthecagefishculturefarmofLiujiaxiareservoirwasstudiedbyfieldin

2、vestigationsfromMarch2006toFebruary2007ThemainresuItsareasfollows：1Ei曲lyouespeciesofciliatesincludingfiveunnamedspecieswererecordedinthispaperTheywerebelongingtothreeclasses，elevenordersthirtyfivefamiliesandfortyfourgene

3、ra2Theresultsofstudyondistributionofspeciesofciliatcsshowedthatbothspatialdistributionandtemporaldistributionhadobviousheterogeneity3TheresultsofstudyoncommunitystructureofciliatesshowedthatHypotrichidaWasdominantgroup，P

4、rostomatidawassubdominantgroupHymenostomatidaScuticociliatidaandPleurostomatidawerecommongroupsHeterotrichidaWasincidentalgroupThedominantspeciesofciliatcswereCyclidiumversatile，Cyclidiumgranulosum，Cinetochiluramargarita

5、ceum、Chilodonellauncinata，Litonotusobtusus，S新obilMium8yransHalteriagrandinella，LeptopharynxeurystomaandGlaucomamacrostoma，inwhichCyclidiumgranulosumWasfirstdominantspecies，CyclidiumversatileandCinetochilummargaritaceumwe

6、reseconddominantspecies4AnnualdynamicsandseasonaldynamicsofcommunityofciliateswereinvestigatedTheresultsindicatedthattheannualdynamicsofspeciesnumberstookondistinctonepeakpaHern，andthemostnumbersofspeciesWasfiftytwoinAug

7、ustandSeptember，theleastnumbersofspeciesWaseighteeninMarchTheseasonaldynamicsofspeciesnumbersshowedthatthemostnumbersofspecieswassixtyfiveinsummertheleastnumbersofspeciesWasfortyeightinwinterTheannualdynamicsofabundancet

8、ookondistinctthreepeakspaRemthefirstsummitappearedinApril，thesecondsummitinJulyandthethirdsummitinSeptemberThewatertransferofLiujiaxiaReservoirinMaybroughtOUasharpdecreaseofabundanceinthismonthWasthereasonofthree—peakspa