stockwell aslo2017 session024_final
TRANSCRIPT
GEISHA:GLOBALEVALUATIONOFTHEIMPACTSOFSTORMSONFRESHWATERHABITATANDSTRUCTUREOFPHYTOPLANKTONASSEMBLAGESJasonStockwell1,Orlane Anneville2,VijayPatil3,AlexanderLooi1,Cayelan Carey4,Gaël Dur5,Bastiaan Ibelings6,SallyMacIntyre7,GiuseppeMorabito8,Peeter Nõges9,DonaldPierson10,JamesRusak11,SamiSouissi12,Dietmar Straile13,StephenThackeray14
1UniversityofVermont,2FrenchNationalInstituteforAgriculturalResearch,3USGS,4VirginiaTech,5ShizuokaUniversity,6UniversityofGeneva,7UniversityofCaliforniaSantaBarbara,8ItalianNationalResearchCouncil,9EstonianUniversityofLifeSciences,10UppsalaUniversity,11OntarioMinistryofEnvironmentandClimateChange,12UniversitéLille,13UniversityofKonstanz,14CentreforEcology&Hydrology
Photocredit:LakeChamplainBasinProgram
GEISHA– Evaluatetheimpactofstormsonlakephytoplanktoncommunitycomposition
Identifymechanismsthatleadtonewphytoplanktonassemblagesorcommunityresilience
Storms
EcosystemFunctionBiodiversity
PhysicalHabitat
Identifyassociationsbetweenabruptshiftsinphytoplanktonandextremeevents
Characterizechangesinphytoplanktoncommunityrelativetolakephysicalstates
Credit: Eric Leibensperger / SUNY-Plattsburgh
GEISHAoriginatedfromGLEONProject“Stormblitz”
GLEON15inArgentina(2013)
Reynolds1988
Long-termdatasetstotesthypotheses;high-frequencydatasetsasavailable
Project“Stormblitz”proceededslowly
GLEON16inQuébec(2014)
Needed$tomakeprogress!
GEISHAcreatesthetime,space,andresourcestoworkasacohesiveunitTask 1:DataCompilationGatherdata,QA/QC,andcombinedatasets.
Task 2:MethodDevelopmentDevelopmetricsandstatisticaltoolstoruninter-sitecomparisons
Task 3:DataAnalysesMetrics,effect-sizesandmeta-analyses.
Task 4:Interpretation,SynthesisandTheoreticalModelsofChangesinCommunitiesProposehypothesesonmechanismsdrivingobservations;developframeworksonrulesofcommunityassembly andsensitivityofecosystemstostorms.
GEISHAisaninternationalteamthatbringsdiversesetsofskillsandexperiencestothetable
Name Familyname CountryRita Adrian Germany
Orlane Anneville France
Laurence Carvalho UK
Gaël Dur Japan
Chih-hao Hsieh Taiwan
Marc Lajeunesse USA
Aleksandra Lewandowska Germany
AlexanderH. Looi USA
Vijay Patil USA
Jim Rusak Canada
Nico Salmaso Italy
François Schmitt France
Sami Souissi France
Jason Stockwell USA
Dietmar Straile Germany
StephenJ. Thackeray UK
Patrick Venail Switzerland
• Modelers
• Ecologists
• Limnologists
• Physicists
• Empiricists
• Theoreticians
GEISHAalsoincludesmanydataprovidersandadditionalparticipants(>50total)
Syuhei BanJulianaBonhembeger
Cayelan CareyChun-WeiChang
IsabelleDomaizonEvelynGaiser
JenniferGrahamJosefHejzlar
AmyHetheringtonScottHigginsBasIbelings
Kanako IshikawaStéphan Jacquet
Alo LaasMaryLofton
SallyMacIntyreShin-IchiroMatsukzaki
Guiseppe Morabito
DaviddeMottaMarquesEmilyNodinePeeter NõgesTinaNõges
Ho-DongParkDonPierson
FrancescoPomatiAnnaRigosi
Alon RimmerLarsRudstam
AngelaShambaughHilarySwain
MichaelVanniRebeccaWaskovichTannerWilliamson
YangYangHoracioZagarese
TamarZohary
Howtomanagealarge,internationalgroupinteracting atdifferent timeandspace scales?
• Whatmakescollaborationssucceedorfail?
• Whatkindsofchallengesarewelikelytoface?
• Bestpracticesforteamscience
Teamscienceconceptsusedtoengagethegroupduringfirstworkshop(Readetal.2016.Buildingtheteamforteamscience. Ecosphere7:e01291)
• Thecollaborativedecisionmakingprocess
• Dealingwithconflict• Disagreementsarepartoftheprocess(i.e.,the“groanzone”)
Datacommitmentfrom>30lakes
Low-frequency:manualsamples(phyto,verticalprofiles)every2weeks;weather;>4yrs
High-frequency:buoydataonchl a,phycocyanin,otherlimnologicalvariables;weather;coupledwithlow-frequencydata
Datachallenges:1)phytoplanktontaxonomy;2)match/mis-matchofsamplingfrequencyandtimescalesofstormimpacts
2wks 2wks 2wks 2wks 2wks
2wks Low-frequencydata
High-frequencydata
Baseline
Impact
Firstworkshopfocusedonteamprocess,ideas,short-termgoalsandresponsibility
• Emphasisonteamsciencetolaygroundworkforlong-termcollaboration(organizersheavilypreparedforthis)
• Ideageneration,refinementandexpansionofquestions/approaches
• BiologyandPhysicsworkinggroups;focusonwithinandcross-overquestions;reviewpaperplanned– whatdoesastormlookliketophytoplankton?
Workplansestablishedandresponsibilityassignedtokeepontrackbetweenworkshops• Groups/sub-groupsmeetatleastmonthly
viaSkype;specifygoalsandresponsibilities
• Datacompilation&QA/QCongoing;establishFTPserver
• 1st draftofreviewpaperdueat2nd workshop(June@USGSJohnWesleyPowellCenter,FortCollins)
• 3rd workshop(November@CESAB,Aix-en-Provence)
• GLEON19All-Hands’Meeting(lateNovember@NewPaltz,NY)
Dataneededfromunder-representedregions
Low-frequency:manualsamples(phytoplankton,verticalprofiles)every2weeks;>5yrs
High-frequency:buoydataonchl a,phycocyanin,otherlimnologicalvariables;coupledwithlow-frequencydata
GEISHAfundingisfromtwosources:CESAB(France)andUSGS(USA)
Fundingcoordinatedacrossinstitutions• 5workshops(CESAB)• 1workshop,3-yrPhD(USGS)
Co-fundingofferedadvantagestobothinstitutions
Disagreementispartoftheprocess
Kaner etal.(2007)
Pre-workshopsurveyofGEISHAparticipants
Whatisyourexpectedlevelofinvolvement?
Howimportantarethefollowingoutcomes?
Pre-workshopsurveyofGEISHAparticipants