Seppo Hellsten
Seppo Hellsten
Professor, Finnish Environment Institute SYKE Freshwater Center
Vahvistettu sähköpostiosoite verkkotunnuksessa ymparisto.fi
NimikeViittauksetVuosi
Aquatic weeds: the ecology and management of nuisance aquatic vegetation. Introduction
AH Pieterse
Oxford University Press, 1989
2421989
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
1832002
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
1482015
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
1452008
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
1172008
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
822013
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
812006
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
682002
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
602013
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
522015
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
502009
Effects of lake water level regulation on aquatic macrophyte stands in northern Finland and options to predict these impacts under varying conditions
SK Hellsten
Acta Botanica Fennica, 1-47, 2001
492001
Environmental factors related to water level regulation-a comparative study in northern Finland
SK Hellsten
Boreal environment research 2, 345-368, 1997
481997
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
481996
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
462013
A water level drawdown index for aquatic macrophytes in Nordic lakes
M Mjelde, S Hellsten, F Ecke
Hydrobiologia 704 (1), 141-151, 2013
412013
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
412011
Measurements of uncertainty in macrophyte metrics used to assess European lake water quality
B Dudley, M Dunbar, E Penning, A Kolada, S Hellsten, A Oggioni, ...
Hydrobiologia 704 (1), 179-191, 2013
372013
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
362012
Ecological classification of large lakes in Finland: comparison of classification approaches using multiple quality elements
M Rask, KM Vuori, H Hämäläinen, M Järvinen, S Hellsten, H Mykrä, ...
Hydrobiologia 660 (1), 37-47, 2011
352011
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Artikkelit 1–20