Ravolainen, VirveSoininen, Eeva MJónsdóttir, Ingibjörg SvalaEischeid, IsabellForchhammer, Madsvan der Wal, RenéPedersen, Åshild Ø2020-02-112020-02-112020-03Ravolainen, V, Soininen, E M, Jónsdóttir, I S, Eischeid, I, Forchhammer, M, van der Wal, R & Pedersen, Å Ø 2020, 'High Arctic ecosystem states : Conceptual models of vegetation change to guide long-term monitoring and research', Ambio, vol. 49, no. 3, pp. 666–677. https://doi.org/10.1007/s13280-019-01310-x0044-7447https://hdl.handle.net/2164/13680Acknowledgements Open Access funding provided by Norwegian Polar Institute. We are grateful to our colleagues in COAT—Climate-ecological Observatory for Arctic Tundra for discussions, and to the editor Niels Martin Schmidt and anonymous reviewers for their thoughtful and constructive comments on earlier versions of this paper.12734675engSDG 13 - Climate ActionSDG 15 - Life on LandArctic tundraClimate changeEcological monitoringEcosystem statePress driverPulse driverClimate ChangeArctic RegionsEcosystemSoilSvalbardTundraTUNDRA VEGETATIONREGIME SHIFTSSHRUB EXPANSIONDISTURBANCETRANSITIONANSER-BRACHYRHYNCHUSCOMMUNITYPINK-FOOTED GEESEIMPACTSCLIMATEGE Environmental SciencesGeography, Planning and DevelopmentEcologyEnvironmental ChemistryGEJournal article10.1007/s13280-019-01310-xhttp://www.scopus.com/inward/record.url?scp=85078286554&partnerID=8YFLogxK493