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1

Classifying aquatic macrophytes as indicators of eutrophication in European lakes

W. Ellis Penning, Marit Mjelde, Bernard Dudley, Seppo Hellsten, Jenica Hanganu, Agnieszka Kolada, Marcel van den Berg, Sandra Poikane, Geoff Phillips, Nigel Willby, Frauke Ecke

Journal:

Aquatic Ecology

Year:

2008

Language:

english

File:

PDF, 457 KB

english, 2008

2

Practical integration of river basin and land use planning: lessons learned from two Finnish case studies

JANNE ALAHUHTA, VILLE HOKKA, HELI SAARIKOSKI, SEPPO HELLSTEN

Journal:

The Geographical Journal

Year:

2010

Language:

english

File:

PDF, 994 KB

english, 2010

3

[American Institute of Aeronautics and Astronautics 22nd Atmospheric Flight Mechanics Conference - New Orleans,LA,U.S.A. (11 August 1997 - 13 August 1997)] 22nd Atmospheric Flight Mechanics Conference - Extension of the k-omega-SST turbulence model for flows over rough surfaces

Hellsten, Antti, Laine, Seppo, Hellsten, Antti, Laine, Seppo

Year:

1997

Language:

english

File:

PDF, 843 KB

english, 1997

4

Extension of k- W Shear-Stress Transport Turbulence Model for Rough-Wall Flows

Hellsten, Antti, Laine, Seppo

Journal:

Year:

1998

Language:

english

File:

PDF, 152 KB

english, 1998

5

Assessing the societal benefits of river restoration using the ecosystem services approach

Vermaat, Jan E., Wagtendonk, Alfred J., Brouwer, Roy, Sheremet, Oleg, Ansink, Erik, Brockhoff, Tim, Plug, Maarten, Hellsten, Seppo, Aroviita, Jukka, Tylec, Luiza, Giełczewski, Marek, Kohut, Lukas, Bra

Journal:

Year:

2016

Language:

english

File:

PDF, 1.36 MB

english, 2016

6

The response of hydrophyte growth forms and plant strategies to river restoration

Ecke, Frauke, Hellsten, Seppo, Köhler, Jan, Lorenz, Armin W., Rääpysjärvi, Jaana, Scheunig, Sabine, Segersten, Joel, Baattrup-Pedersen, Annette

Journal:

Year:

2016

Language:

english

File:

PDF, 944 KB

english, 2016

7

Using aquatic macrophyte community indices to define the ecological status of European lakes

W. Ellis Penning, Bernard Dudley, Marit Mjelde, Seppo Hellsten, Jenica Hanganu, Agnieszka Kolada, Marcel van den Berg, Sandra Poikane, Geoff Phillips, Nigel Willby, Frauke Ecke

Journal:

Aquatic Ecology

Year:

2008

Language:

english

File:

PDF, 711 KB

english, 2008

8

Use of the water-level fluctuation analysis tool (Regcel) in hydrological status assessment of Finnish lakes

Antton Keto, Anne Tarvainen, Mika Marttunen, Seppo Hellsten

Journal:

Year:

2008

Language:

english

File:

PDF, 357 KB

english, 2008

9

Ecological classification of large lakes in Finland: comparison of classification approaches using multiple quality elements

Martti Rask, Kari-Matti Vuori, Heikki Hämäläinen, Marko Järvinen, Seppo Hellsten, Heikki Mykrä, Lauri Arvola, Jukka Ruuhijärvi, Jussi Jyväsjärvi, Irma Kolari, Mikko Olin, Erno Salonen, Pentti Valkeajä

Journal:

Year:

2011

Language:

english

File:

PDF, 419 KB

english, 2011

10

Potential conflicts between environmental legislation and conservation exemplified by aquatic macrophytes

Frauke Ecke, Seppo Hellsten, Marit Mjelde, Minna Kuoppala, Sabine Schlacke

Journal:

Year:

2010

Language:

english

File:

PDF, 245 KB

english, 2010

11

Preface

Arnold Pieterse, Seppo Hellsten

Journal:

Year:

2010

Language:

english

File:

PDF, 154 KB

english, 2010

12

Typhacontrol efficiency of a weed-cutting boat in the Lac de Guiers in Senegal: a preliminary study on mowing speed and re-growth capacity

Seppo Hellsten, Charles Dieme, Marthe Mbengue, Georg A. Janauer, Nick den Hollander, Arnold H. Pieterse

Journal:

Year:

1999

Language:

english

File:

PDF, 139 KB

english, 1999

13

Exchange of CO2, CH4and N2O between the atmosphere and two northern boreal ponds with catchments dominated by peatlands or forests

Jari T. Huttunen, Tero S. Väisänen, Mirja Heikkinen, Seppo Hellsten, Hannu Nykänen, Olli Nenonen, Pertti J. Martikainen

Journal:

Year:

2002

Language:

english

File:

PDF, 313 KB

english, 2002

14

Lake ecological assessment systems and intercalibration for the European Water Framework Directive: Aims, achievements and further challenges

Sandra Poikane, Marcel van den Berg, Seppo Hellsten, Caridad de Hoyos, José Ortiz-Casas, Karin Pall, Rob Portielje, Geoff Phillips, Anne Lyche Solheim, Deirdre Tierney, Georg Wolfram, Wouter van de Bu

Journal:

Procedia Environmental Sciences

Year:

2011

Language:

english

File:

PDF, 422 KB

english, 2011

15

Principles for calculation of transport and water quality in strongly regulated reservoirs

Markku Virtanen, Jorma Koponen, Seppo Hellsten, Olli Nenonen, Kari Kinnunen

Journal:

Ecological Modelling

Year:

1994

Language:

english

File:

PDF, 1.01 MB

english, 1994

16

Fluxes of CH 4 , CO 2 , and N 2 O in hydroelectric reservoirs Lokka and Porttipahta in the northern boreal zone in Finland

Huttunen, Jari T., Väisänen, Tero S., Hellsten, Seppo K., Heikkinen, Mirja, Nykänen, Hannu, Jungner, Högne, Niskanen, Arto, Virtanen, Markku O., Lindqvist, Ossi V., Nenonen, Olli S., Martikainen, Pert

Journal:

Global Biogeochemical Cycles

Year:

2002

Language:

english

File:

PDF, 406 KB

english, 2002

17

Toward a holistic and risk-based management of european river basins

Werner Brack, Sabine E Apitz, Dietrich Borchardt, Jos Brils, Ana Cristina Cardoso, Edwin M Foekema, Jos van Gils, Stefan Jansen, Bob Harris, Michaela Hein, Susanne Heise, Seppo Hellsten, P Gert-Jan de

Journal:

Integrated Environmental Assessment and Management

Year:

2009

Language:

english

File:

PDF, 172 KB

english, 2009

18

Ecological status assessment of European lakes: a comparison of metrics for phytoplankton, macrophytes, benthic invertebrates and fish

Lyche-Solheim, Anne, Feld, Christian K., Birk, Sebastian, Phillips, Geoff, Carvalho, Laurence, Morabito, Giuseppe, Mischke, Ute, Willby, Nigel, Søndergaard, Martin, Hellsten, Seppo, Kolada, Agnieszka,

Journal:

Year:

2013

Language:

english

File:

PDF, 394 KB

english, 2013

19

A water level drawdown index for aquatic macrophytes in Nordic lakes

Mjelde, Marit, Hellsten, Seppo, Ecke, Frauke

Journal:

Year:

2013

Language:

english

File:

PDF, 751 KB

english, 2013

20

Environmental and spatial correlates of community composition, richness and status of boreal lake macrophytes

Alahuhta, Janne, Kanninen, Antti, Hellsten, Seppo, Vuori, Kari-Matti, Kuoppala, Minna, Hämäläinen, Heikki

Journal:

Ecological Indicators

Year:

2013

Language:

english

File:

PDF, 1.88 MB

english, 2013

21

[American Institute of Aeronautics and Astronautics Fluids 2000 Conference and Exhibit - Denver,CO,U.S.A. (19 June 2000 - 22 June 2000)] Fluids 2000 Conference and Exhibit - Explicit algebraic reynolds-stress modelling in decelerating and separating flows

Hellsten, Antti, Laine, Seppo

Year:

2000

File:

PDF, 554 KB

2000

22

[American Institute of Aeronautics and Astronautics 32nd AIAA Fluid Dynamics Conference and Exhibit - St. Louis, Missouri (24 June 2002 - 26 June 2002)] 32nd AIAA Fluid Dynamics Conference and Exhibit - Scrutinizing Curvature Corrections for Algebraic Reynolds Stress Models

Hellsten, Antti, Wallin, Stefan, Laine, Seppo

Year:

2002

Language:

english

File:

PDF, 5.74 MB

english, 2002

23

Variable response of functional macrophyte groups to lake characteristics, land use, and space: implications for bioassessment

Alahuhta, Janne, Kanninen, Antti, Hellsten, Seppo, Vuori, Kari-Matti, Kuoppala, Minna, Hämäläinen, Heikki

Journal:

Year:

2014

Language:

english

File:

PDF, 356 KB

english, 2014

24

Randomized comparative trial of a sequential oestradiol/progestogen combination and oestradiol alone in the treatment of climacteric complaints

Kanninen, Antti, Hellsten, Seppo, Hämäläinen, Heikki

Journal:

Year:

1984

Language:

english

File:

PDF, 120 KB

english, 1984

25

Comparing stressor-specific indices and general measures of taxonomic composition for assessing the status of boreal lacustrine macrophyte communities

Kanninen, Antti, Hellsten, Seppo, Hämäläinen, Heikki

Journal:

Ecological Indicators

Year:

2013

Language:

english

File:

PDF, 1.11 MB

english, 2013

26

The applicability of macrophyte compositional metrics for assessing eutrophication in European lakes

Kolada, Agnieszka, Willby, Nigel, Dudley, Bernard, Nõges, Peeter, Søndergaard, Martin, Hellsten, Seppo, Mjelde, Marit, Penning, Ellis, van Geest, Gerben, Bertrin, Vincent, Ecke, Frauke, Mäemets, Helle

Journal:

Ecological Indicators

Year:

2014

Language:

english

File:

PDF, 1.28 MB

english, 2014

27

Effective Biological Control of Salvinia molesta in the Senegal River by Means of the Weevil Cyrtobagous salviniae

Arnold H. Pieterse, Marianne Kettunen, Sara Diouf, Ismael Ndao, Khady Sarr, Anne Tarvainen, Sandra Kloff and Seppo Hellsten

Journal:

AMBIO: A Journal of the Human Environment

Year:

2003

Language:

english

File:

PDF, 1.24 MB

english, 2003

28

Preface: plants in hydrosystems: from functional ecology to weed research

Ferreira, Teresa, O’Hare, Matthew T., Szoszkiewicz, Krzysztof, Hellsten, Seppo

Journal:

Year:

2014

Language:

english

File:

PDF, 142 KB

english, 2014

29

Maximum growing depth of submerged macrophytes in European lakes

Martin Søndergaard,Geoff Phillips,Seppo Hellsten,Agnieszka Kolada…

Journal:

Year:

2013

Language:

english

File:

PDF, 449 KB

english, 2013

30

Managing aquatic ecosystems and water resources under multiple stress — An introduction to the MARS project

Hering, Daniel, Carvalho, Laurence, Argillier, Christine, Beklioglu, Meryem, Borja, Angel, Cardoso, Ana Cristina, Duel, Harm, Ferreira, Teresa, Globevnik, Lidija, Hanganu, Jenica, Hellsten, Seppo, Jep

Journal:

Science of The Total Environment

Year:

2015

Language:

english

File:

PDF, 1.55 MB

english, 2015

31

Effective Biological Control of Salvinia molesta in the Senegal River by Means of the Weevil Cyrtobagous salviniae

Pieterse, Arnold H., Kettunen, Marianne, Diouf, Sara, Ndao, Ismael, Sarr, Khady, Tarvainen, Anne, Kloff, Sandra, Hellsten, Seppo

Journal:

AMBIO: A Journal of the Human Environment

Year:

2003

Language:

english

File:

PDF, 234 KB

english, 2003

32

A hitchhiker's guide to European lake ecological assessment and intercalibration

Poikane, Sandra, Birk, Sebastian, Böhmer, Jürgen, Carvalho, Laurence, de Hoyos, Caridad, Gassner, Hubert, Hellsten, Seppo, Kelly, Martyn, Lyche Solheim, Anne, Olin, Mikko, Pall, Karin, Phillips, Geoff

Journal:

Ecological Indicators

Year:

2015

Language:

english

File:

PDF, 319 KB

english, 2015

33

Defining the ecological status of small forest lakes using multiple biological quality elements and palaeolimnological analysis

Alahuhta, Janne, Vuori, Kari-Matti, Hellsten, Seppo, Järvinen, Marko, Olin, Mikko, Rask, Martti, Palomäki, Arja

Journal:

Fundamental and Applied Limnology / Archiv für Hydrobiologie

Year:

2009

Language:

english

File:

PDF, 419 KB

english, 2009

34

Bioassessment in a metacommunity context: Are diatom communities structured solely by species sorting?

Vilmi, Annika, Karjalainen, Satu M., Hellsten, Seppo, Heino, Jani

Journal:

Ecological Indicators

Year:

2016

Language:

english

File:

PDF, 908 KB

english, 2016

35

Ignoring spatial effects results in inadequate models for variation in littoral macroinvertebrate diversity

Tolonen, Kimmo T., Vilmi, Annika, Karjalainen, Satu-Maaria, Hellsten, Seppo, Sutela, Tapio, Heino, Jani

Journal:

Year:

2016

Language:

english

File:

PDF, 532 KB

english, 2016

36

Regional and local determinants of macrophyte community compositions in high-latitude lakes of Finland

Alahuhta, Janne, Hellsten, Seppo, Kuoppala, Minna, Riihimäki, Juha

Journal:

Year:

2016

Language:

english

File:

PDF, 1.10 MB

english, 2016

37

Aquatic macrophytes as indicators of water-level regulation in Northern Finland

Hellsten, Seppo K.

Journal:

SIL Proceedings, 1922-2010

Year:

2002

Language:

english

File:

PDF, 614 KB

english, 2002

38

Elevated nutrient concentrations in headwaters affected by drained peatland

Marttila, Hannu, Karjalainen, Satu-Maaria, Kuoppala, Minna, Nieminen, Mika L., Ronkanen, Anna-Kaisa, Kløve, Bjørn, Hellsten, Seppo

Journal:

Science of The Total Environment

Year:

2018

Language:

english

File:

PDF, 3.08 MB

english, 2018

39

Increasing and Decreasing Nitrogen and Phosphorus Trends in Runoff from Drained Peatland Forests—Is There a Legacy Effect of Drainage or Not?

Nieminen, Mika, Sarkkola, Sakari, Hellsten, Seppo, Marttila, Hannu, Piirainen, Sirpa, Sallantaus, Tapani, Lepistö, Ahti

Journal:

Water, Air & Soil Pollution

Year:

2018

Language:

english

File:

PDF, 648 KB

english, 2018

40

Macrophyte responses to water level fluctuation in Fennoscandinavian Lakes — Applying a common index

Hellsten, Seppo, Mjelde, Marit

Journal:

SIL Proceedings, 1922-2010

Year:

2009

Language:

english

File:

PDF, 527 KB

english, 2009

41

Geopolymers as active capping materials for in situ remediation of metal(loid)-contaminated lake sediments

Kutuniva, Johanna, Mäkinen, Jari, Kauppila, Tommi, Karppinen, Anssi, Hellsten, Seppo, Luukkonen, Tero, Lassi, Ulla

Journal:

Journal of Environmental Chemical Engineering

Year:

2019

File:

PDF, 2.07 MB

2019

42

The effect of water level regulation on species richness and abundance of aquatic macrophytes in Finnish lakes

Keto, Antton, Tarvainen, Anne, Hellsten, Seppo

Journal:

SIL Proceedings, 1922-2010

Year:

2006

Language:

english

File:

PDF, 803 KB

english, 2006

43

The effect of water level regulation on species richness and abundance of aquatic macrophytes in Finnish lakes

Keto, Antton, Tarvainen, Anne, Hellsten, Seppo

Journal:

SIL Proceedings, 1922-2010

Year:

2006

File:

PDF, 803 KB

2006

44

Long-term changes in the aquatic vegetation of Lake Päijänne, Southern Finland

Hellsten, Seppo, Keto, Antton, Suoraniemi, Maria, Partanen, Sari

Journal:

SIL Proceedings, 1922-2010

Year:

2006

Language:

english

File:

PDF, 1.74 MB

english, 2006

45

The relationship between water level fluctuation and distribution of emergent aquatic macrophytes in large, mildly regulated lakes in the Finnish Lake District

Partanen, Sari, Keto, Antton, Visuri, Mika, Tarvainen, Anne, Riihimäki, Juha, Hellsten, Seppo

Journal:

SIL Proceedings, 1922-2010

Year:

2006

Language:

english

File:

PDF, 1.23 MB

english, 2006

46

Effect of river flow changes on habitats of aquatic vegetation in the Senegal River, West Africa

Tarvainen, Anne, Hellsten, Seppo, Ahonen, Hanna, Exler, Norbert, Janauer, Georg, Diouf, Sara, Ndao, Ismael, Sarr, Khady, Pieterse, Arnold H.

Journal:

SIL Proceedings, 1922-2010

Year:

2005

Language:

english

File:

PDF, 563 KB

english, 2005

47

Management of aquatic vegetation in the lower Senegal River basin

Pieterse, Arnold H., Hellsten, Seppo K., Janauer, Georg A., Dieme, Charles, Diouf, Sara, Exler, Norbert

Journal:

SIL Proceedings, 1922-2010

Year:

2002

Language:

english

File:

PDF, 1.10 MB

english, 2002

48

Multitrophic biodiversity patterns and environmental descriptors of sub‐Arctic lakes in northern Europe

Lau, Danny C. P., Christoffersen, Kirsten S., Erkinaro, Jaakko, Hayden, Brian, Heino, Jani, Hellsten, Seppo, Holmgren, Kerstin, Kahilainen, Kimmo K., Kahlert, Maria, Karjalainen, Satu Maaria, Karlsson

Journal:

Freshwater Biology

Year:

2020

Language:

english

File:

PDF, 1.67 MB

english, 2020

49

Lakes in the era of global change: moving beyond singleâlake thinking in maintaining biodiversity and ecosystem services

Heino, Jani, Alahuhta, Janne, Bini, Luis Mauricio, Cai, Yongjiu, Heiskanen, AnnaâStiina, Hellsten, Seppo, Kortelainen, Pirkko, KotamÃ¤ki, Niina, Tolonen, Kimmo T., Vihervaara, Petteri, Vilmi, Annika

Journal:

Biological Reviews

Year:

2020

File:

PDF, 819 KB

2020