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()27420068JournalofCapitalNormalUniversity(NaturalScienceEdition)Vol.27,No.4Aug.2006111122(1.,100037;2.,100029)2001720046,,6.:,,,,.:Q16:20052102103:(H010710030119),,..,[19],.,200172004630,.,,.1.200,84,2,30.19985hm2,2197%.111,.,,116356628.,(Bryophyta)91416,(Pteridophyta)558,(Gymnospermae)356,(Angiospermae)99332598,216%113%110%9512%.116,5(Astraceae)(Poaceae)(Leguminosae)(Cyperaceae)(Polygonaceae),5957453928.[10],5,78.,(Phragmitesaustralis)(Typhaangustifolia),,().(ScirpusPlaniculmis)(Echinochloacrusgallii),(Potamogetoncrispus)(Vallisneriaasiatica).,.,,(Carex),;,.,,().1123247,658,4920123,18210,91680,258,3620,6812,1658276(119,11,146).,.,31,5062%;(Nycticoraxnycticorax)(Ardeolabacchus)(Ardeacinerea)(Anasplatyrhynchos)(A.poecilorhyncha)(Aythyafuligula)(Bucephalaclangula)(Mergusmerganser)(M.albellus)(Grusgrus)(Larusridibundus),.I638,205;2189;5238,21.,(Ciconiaboyciana)3000,19;,(C.nigra),1000,23.,..20027367611t(6409616t),1013,19923,4146%[11].,,.2211.36129m3[12],2002149512[11],243m3,1000m3.,,.,.1999,,400mm[11];,,.,20607012m3,80610m3,19990173m3,20020178m3[12];20506020m37080810m3,199920021146m30197m3[13].,,,2002,17148m,198011103m,[12,14].,,.2003111614120m3,199922120m3[14].,,,,.80715hm25hm2,201P3,.212,.,,.19962003,364:NH3-NBOD5,BOD5.200327,13131;50,51192185,51%[15].,1997,.,,.213.1978199640hm2,,20022419hm2[11].,.,;,1m.214,,200250188%[11],.,,.,,,.215,.:;;;().216,.,,(),.,,.3311,,,,,,..,,,,,.,.,;.,.312,,,.,,46()2006.,;,;(),;,;,.,.,,.,,,.(),,,,.313,,3,.,,,,,.,.,.,.,,.314,,,.,.,;;.,,,,.,,.,.,,,..,,,.315,,,,,;,;,;,.316,(1).564:(2).,.(3),,,.,,,;,,,,;,,;,,,,,.(4),,,,.,,,,,.,.[1],.[J].,1999,14(3):238244.[2],.[J].,1999,18(4):420427.[3],,,.[J].,2000,20(2):193196.[4],,.[J].,2001,12(2):241244.[5],,.[J].,2001,23(5):8286.[6],.[J].(),2001,25(3):104110.[7],,.[J].,2002,11(5):437441.[8].[J].,2002,(6):1114.[9],,.[J].,2003,23(2):6365.[10],,.[M].:,1999.[11].2003[M].:,2003.[12].[J].,2004,(4):1416.[13].[J].,2003,(2):78.[14].2002[J].,2003,(3):2930.[15].2004[M].:,2004.66()2006PreliminaryStudyonConservationandSustainableUtilizationofWetlandBio-resourceinBeijingFuBiqian1ChenWei1HuDong1GaoWu1FuRuihai1ZhangTielou2(1CollegeofLifeSciecne,CapitalNormalUnviersity,Beijing100037;2BeijingForesryBureau,Beijing100029)AbstractOnthebasesofalargescaleandthefirstsystematicinvestigationonwetlandinBeijingfromJuly2001toJune2004,thecurrentsituationofthewetlandenvironmentandthebio-resourcewasanalyzed,andsomeseriousproblemsthreateningBeijingwetlandwerediscussed.Moreover,sixcountermeasuresfortheconservationandsustainableutilizationofthewetlandbio-resourceinBeijingwereproposedinthispaper.Keywords:wetland,bio-resource,conservation,sustainableutilization,Beijing.(61)UtilizationofNitrogenousFertilizerandtheWaysorMethodsonImprovingItsEfficiencyGaoYueliang1HuaLuoCaiDianxiong2XuZhenjian1GengQipeng3(11TheKeylabofResourceEnvironmentandGISCapitalNormalUniversity,Beijing100037;21TheChineseAcademyofAgricultureSciencesofInstituteofSoilandFertilizer,Beijing100037;31CapitalNormalUniversityofCollegeofLifeScience,Beijing100037)AbstractThispaperstudiedthelowefficiencyofnitrogenousfertilizerofourcounty,thecauseoffertilizerlosinganditscalamity.Abaseabovestudinghowtoimprovingtheefficiencyofnitrogenousfertilizer,includingthetraditionalandthelatestnewscientificmothedsofourcountryandothercountries.Traditionalmothedsorientedimprovingthemothdsoffertilizerutilization,thatisthechangeoftheoutsideconditions.Butthenewscientificmohedspayattentiontofertilizersthemselves,thatisaddsomethingtothemtoimprovingtheirefficiency.Thesemethodsachievegoodeffectinoroutside.Keywords:nitrogenousfertilizer,long2termeffectivefertilizer,usingefficiency,way,mothed(1980),,,,:.764: