Sustainable lake restoration: From challenges to solutions
2023
Tammeorg, Olga | Chorus, Ingrid | Spears, Bryan | Nõges, Peeter | Nürnberg, Gertrud K. | Tammeorg, Priit | Søndergaard, Martin | Jeppesen, Erik | Paerl, Hans | Huser, Brian | Horppila, Jukka | Jilbert, Tom | Budzyńska, Agnieszka | Dondajewska‐Pielka, Renata | Gołdyn, Ryszard | Haasler, Sina | Hellsten, Seppo | Härkönen, Laura H. | Kiani, Mina | Kozak, Anna | Kotamäki, Niina | Kowalczewska‐Madura, Katarzyna | Newell, Silvia | Nurminen, Leena | Nõges, Tiina | Reitzel, Kasper | Rosińska, Joanna | Ruuhijärvi, Jukka | Silvonen, Soila | Skov, Christian | Važić, Tamara | Ventelä, Anne‐Mari | Waajen, Guido | Lürling, Miquel | https://orcid.org/0000-0001-8275-2190 | https://orcid.org/0000-0002-8970-9889 | 4100111110 | 4100110410 | Luonnonvarakeskus
Sustainable management of lakes requires us to overcome ecological, economic, and social challenges. These challenges can be addressed by focus ing on achieving ecological improvement within a multifaceted, co-beneficial context. In-lake restoration measures may promote more rapid ecosystem responses than is feasible with catchment measures alone, even if multiple interventions are needed. In particular, we identify restoration methods that support the overarching societal target of a circular economy through the use of nutrients, sediments, or biomass that are removed from a lake, in agricul ture, as food, or for biogas production. In this emerging field of sustainable restoration techniques, we show examples, discuss benefits and pitfalls, and flag areas for further research and development. Each lake should be assessed individually to ensure that restoration approaches will effectively address lake-specific problems, do not harm the target lake or downstream ecosystems, are cost-effective, promote delivery of valuable ecosystem ser vices, minimize conflicts in public interests, and eliminate the necessity for repeated interventions. Achieving optimal, sustainable results from lake res toration relies on multidisciplinary research and close interactions between environmental, social, political, and economic sectors.
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