stockwell aslo2017 session024_final

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GEISHA: GLOBAL EVALUATION OF THE IMPACTS OF STORMS ON FRESHWATER HABITAT AND STRUCTURE OF PHYTOPLANKTON ASSEMBLAGES Jason Stockwell 1 , Orlane Anneville 2 , Vijay Patil 3 , Alexander Looi 1 , Cayelan Carey 4 , Gaël Dur 5 , Bastiaan Ibelings 6 , Sally MacIntyre 7 , Giuseppe Morabito 8 , Peeter Nõges 9 , Donald Pierson 10 , James Rusak 11 , Sami Souissi 12 , Dietmar Straile 13 , Stephen Thackeray 14 1 University of Vermont, 2 French National Institute for Agricultural Research, 3 USGS, 4 Virginia Tech, 5 Shizuoka University, 6 University of Geneva, 7 University of California Santa Barbara, 8 Italian National Research Council, 9 Estonian University of Life Sciences, 10 Uppsala University, 11 Ontario Ministry of Environment and Climate Change, 12 Université Lille, 13 University of Konstanz, 14 Centre for Ecology & Hydrology Photo credit: Lake Champlain Basin Program

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Page 1: Stockwell aslo2017 session024_final

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

Page 2: Stockwell aslo2017 session024_final

GEISHA– Evaluatetheimpactofstormsonlakephytoplanktoncommunitycomposition

Identifymechanismsthatleadtonewphytoplanktonassemblagesorcommunityresilience

Storms

EcosystemFunctionBiodiversity

PhysicalHabitat

Identifyassociationsbetweenabruptshiftsinphytoplanktonandextremeevents

Characterizechangesinphytoplanktoncommunityrelativetolakephysicalstates

Credit: Eric Leibensperger / SUNY-Plattsburgh

Page 3: Stockwell aslo2017 session024_final

GEISHAoriginatedfromGLEONProject“Stormblitz”

GLEON15inArgentina(2013)

Reynolds1988

Long-termdatasetstotesthypotheses;high-frequencydatasetsasavailable

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Project“Stormblitz”proceededslowly

GLEON16inQuébec(2014)

Needed$tomakeprogress!

Page 5: Stockwell aslo2017 session024_final

GEISHAcreatesthetime,space,andresourcestoworkasacohesiveunitTask 1:DataCompilationGatherdata,QA/QC,andcombinedatasets.

Task 2:MethodDevelopmentDevelopmetricsandstatisticaltoolstoruninter-sitecomparisons

Task 3:DataAnalysesMetrics,effect-sizesandmeta-analyses.

Task 4:Interpretation,SynthesisandTheoreticalModelsofChangesinCommunitiesProposehypothesesonmechanismsdrivingobservations;developframeworksonrulesofcommunityassembly andsensitivityofecosystemstostorms.

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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

Page 7: Stockwell aslo2017 session024_final

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

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Howtomanagealarge,internationalgroupinteracting atdifferent timeandspace scales?

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• Whatmakescollaborationssucceedorfail?

• Whatkindsofchallengesarewelikelytoface?

• Bestpracticesforteamscience

Teamscienceconceptsusedtoengagethegroupduringfirstworkshop(Readetal.2016.Buildingtheteamforteamscience. Ecosphere7:e01291)

• Thecollaborativedecisionmakingprocess

• Dealingwithconflict• Disagreementsarepartoftheprocess(i.e.,the“groanzone”)

Page 10: Stockwell aslo2017 session024_final

Datacommitmentfrom>30lakes

Low-frequency:manualsamples(phyto,verticalprofiles)every2weeks;weather;>4yrs

High-frequency:buoydataonchl a,phycocyanin,otherlimnologicalvariables;weather;coupledwithlow-frequencydata

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Datachallenges:1)phytoplanktontaxonomy;2)match/mis-matchofsamplingfrequencyandtimescalesofstormimpacts

2wks 2wks 2wks 2wks 2wks

2wks Low-frequencydata

High-frequencydata

Baseline

Impact

Page 12: Stockwell aslo2017 session024_final

Firstworkshopfocusedonteamprocess,ideas,short-termgoalsandresponsibility

• Emphasisonteamsciencetolaygroundworkforlong-termcollaboration(organizersheavilypreparedforthis)

• Ideageneration,refinementandexpansionofquestions/approaches

• BiologyandPhysicsworkinggroups;focusonwithinandcross-overquestions;reviewpaperplanned– whatdoesastormlookliketophytoplankton?

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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)

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Dataneededfromunder-representedregions

Low-frequency:manualsamples(phytoplankton,verticalprofiles)every2weeks;>5yrs

High-frequency:buoydataonchl a,phycocyanin,otherlimnologicalvariables;coupledwithlow-frequencydata

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GEISHAfundingisfromtwosources:CESAB(France)andUSGS(USA)

Fundingcoordinatedacrossinstitutions• 5workshops(CESAB)• 1workshop,3-yrPhD(USGS)

Co-fundingofferedadvantagestobothinstitutions

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Disagreementispartoftheprocess

Kaner etal.(2007)

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Pre-workshopsurveyofGEISHAparticipants

Whatisyourexpectedlevelofinvolvement?

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Howimportantarethefollowingoutcomes?

Pre-workshopsurveyofGEISHAparticipants