presents ThePlanetOceanSeminarSeries ThePlanetOceanSeminarSeriesoffersanopportunityforthegreaterWilmingtoncommunitytobenefitdirectlyfrom thetopicsofinformationavailabletotheCenterinitsstudyareas. ThePlanetOceanSeminarSeriesisfreeandopentothepublic.Theseminarisheldinthemain auditoriumattheUNCWCenterforMarineScience,5600MarvinK.MossLane.Theseminarwill beginpromptlyat6:30p.m.intheauditorium.Areceptionwithlighthorsd’oeuvreswillfollow. Duetolimitedseating,reservationsarerequired.AdvancedregistrationforBlueFishSocietymemberswillbeginApril13,2005.ThegeneralpublicmaybeginregistrationonApril14,2005. UNCWCenterforMarineScience 5600MarvinK.MossLane Wilmington,NC28409 CluestoOceanChemistryFound inPermanentlyIce-Covered AntarcticLakes withDr.BessWard PrincetonUniversity Tuesday,May3,2005,6:30p.m. CluestoOceanChemistryFoundin PermanantlyIce-CoveredAntarcticLakes withDr.BessWard sanybackyardgardenerwilltellyou,our ecosystemsarelimitedbytheavailability ofnitrogen.Someregionshaveseendramatic increasesinratesofnitrogendepositions. Changescanbetheresultofnaturalbiological processes.Theycanalsobeaffectedbythe activitiesofman. A projectisbasedinlakes,buttherationalefor workinginthatexoticenvironmentistolearn abouttheglobalnitrogencycle,specificallythe processofdenitrification,whichoccursonlyin certainregionsoftheoceanandisanessential linkintheglobalnitrogen cycle. N r.Wardreceivedher Ph.D.inBiological Oceanographyatthe UniversityofWashington. Shespentseveralyears doingresearchatScripps InstituteofOceanography inLaJolla,CaliforniabeforetakingatenuretrackedpositionattheUniversityofCalifornia atSantaCruz.Thereherworkevolvedinto molecularmicrobialecology.Shecurrently teachesandconductsresearchatPrinceton University,DepartmentofGeosciences. itrogencompoundscyclethroughtheair, aquaticsystemsandsoil.Asincreasing quantitiesofnitrogenareinjectedintothe environment,theglobalnitrogencycleisaltered. Thiscouldhavegraveimpactsonbiodiversity, globalwarming,waterquality,foodproduction, humanhealthandbeyond.Thefullimplications ofchangesinthenitrogencyclearenotfully understood,norappreciated. D r.BessWardisstudyingintheAntarctic whichisamongthemostextreme environmentsontheplanetandprovidesvery sensitiveindicatorsofnitrogenlevelchanges. D T hroughouthercareer,Dr.Ward’sresearchhas focusedonmanyaspectsofbiogeochemistry andmolecularmicrobialecology.TheAntarctic Pleasejoinusforthefourthandfinalseminar inthe2004-2005PlanetOceanseries: CluestoOceanChemistry FoundinPermanently Ice-CoveredAntarcticLakes withDr.BessWard May3,2005 UNCWCenterforMarineScience Auditorium Seminar6:30p.m./Reception7:30p.m. CenterforMarineScience 5600MarvinK.MossLane Wilmington,NC28409 Toreserveseats,callCenterforMarineScience 910-962-2301 FordirectionsormoreinformationaboutCMS, pleasevisitourwebsite: www.uncw.edu/cmsr Accommodationsfordisabilitiesmayberequestedby contactingCMSthreedayspriortotheevent. 000copiesofthispublicdocumentwereprintedatacostof$00.00or00.00percopy(G.S.143-170.1)•AnEEO/AAInstitution Printedonrecycledpaper