Seppo Hellsten
Seppo Hellsten
Professor, Finnish Environment Institute SYKE Freshwater Center
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Managing aquatic ecosystems and water resources under multiple stress—An introduction to the MARS project
D Hering, L Carvalho, C Argillier, M Beklioglu, A Borja, AC Cardoso, ...
Science of the total environment 503, 10-21, 2015
Fluxes of CH4, CO2, and N2O in hydroelectric reservoirs Lokka and Porttipahta in the northern boreal zone in Finland
JT Huttunen, TS Väisänen, SK Hellsten, M Heikkinen, H Nykänen, ...
Global Biogeochemical Cycles 16 (1), 3-1-3-17, 2002
Classifying aquatic macrophytes as indicators of eutrophication in European lakes
WE Penning, M Mjelde, B Dudley, S Hellsten, J Hanganu, A Kolada, ...
Aquatic ecology 42 (2), 237-251, 2008
Using aquatic macrophyte community indices to define the ecological status of European lakes
WE Penning, B Dudley, M Mjelde, S Hellsten, J Hanganu, A Kolada, ...
Aquatic ecology 42 (2), 253-264, 2008
Ecological status assessment of European lakes: a comparison of metrics for phytoplankton, macrophytes, benthic invertebrates and fish
A Lyche-Solheim, CK Feld, S Birk, G Phillips, L Carvalho, G Morabito, ...
Hydrobiologia 704 (1), 57-74, 2013
A hitchhiker's guide to European lake ecological assessment and intercalibration
S Poikane, S Birk, J Böhmer, L Carvalho, C de Hoyos, H Gassner, ...
Ecological indicators 52, 533-544, 2015
Methane fluxes at the sediment-water interface in some boreal lakes and reservoirs
JT Huttunen, TS Väisänen, SK Hellsten, PJ Martikainen
Boreal Environment Research 11 (1), 27-34, 2006
Global variation in the beta diversity of lake macrophytes is driven by environmental heterogeneity rather than latitude
J Alahuhta, S Kosten, M Akasaka, D Auderset, MM Azzella, R Bolpagni, ...
Journal of Biogeography 44 (8), 1758-1769, 2017
Maximum growing depth of submerged macrophytes in European lakes
M Søndergaard, G Phillips, S Hellsten, A Kolada, F Ecke, H Mäemets, ...
Hydrobiologia 704 (1), 165-177, 2013
Assessing the societal benefits of river restoration using the ecosystem services approach
JE Vermaat, AJ Wagtendonk, R Brouwer, O Sheremet, E Ansink, ...
Hydrobiologia 769 (1), 121-135, 2016
Plants in aquatic ecosystems: current trends and future directions
MT O’Hare, FC Aguiar, T Asaeda, ES Bakker, PA Chambers, JS Clayton, ...
Hydrobiologia 812 (1), 1-11, 2018
Exchange of CO2, CH4 and N2O between the atmosphere and two northern boreal ponds with catchments dominated by peatlands or forests
JT Huttunen, TS Väisänen, M Heikkinen, S Hellsten, H Nykänen, ...
Plant and soil 242 (1), 137-146, 2002
Environmental and spatial correlates of community composition, richness and status of boreal lake macrophytes
J Alahuhta, A Kanninen, S Hellsten, KM Vuori, M Kuoppala, ...
Ecological Indicators 32, 172-181, 2013
A water level drawdown index for aquatic macrophytes in Nordic lakes
M Mjelde, S Hellsten, F Ecke
Hydrobiologia 704 (1), 141-151, 2013
Environmental factors related to water level regulation-a comparative study in northern Finland
SK Hellsten
Boreal environment research 2, 345-368, 1997
Toward a holistic and risk‐based management of European river basins
W Brack, SE Apitz, D Borchardt, J Brils, AC Cardoso, EM Foekema, ...
Integrated Environmental Assessment and Management 5 (1), 5-10, 2009
Lake ecological assessment systems and intercalibration for the European Water Framework Directive: aims, achievements and further challenges
S Poikane, M van den Berg, S Hellsten, C de Hoyos, J Ortiz-Casas, K Pall, ...
Procedia Environmental Sciences 9, 153-168, 2011
Ohje pintavesien ekologisen ja kemiallisen tilan luokitteluun vuosille 2012–2013− päivitetyt arviointiperusteet ja niiden soveltaminen
J Aroviita, S Hellsten, J Jyväsjärvi, L Järvenpää, M Järvinen, ...
Suomen ympäristökeskus, 2012
Towards an ecologically based regulation practice in Finnish hydroelectric lakes
S Hellsten, M Marttunen, R Palomäki, J Riihimäki, E Alasaarela
Regulated Rivers: Research & Management 12 (4‐5), 535-545, 1996
The applicability of macrophyte compositional metrics for assessing eutrophication in European lakes
A Kolada, N Willby, B Dudley, P Nõges, M Søndergaard, S Hellsten, ...
Ecological Indicators 45, 407-415, 2014
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