The effects of acidification on fish in lakes and rivers of Northeastern Finnish Lapland

Updated 2013-01-26

Fish status surveys in small acid sensitive rivers and lakes in northeastern Finnish Lapland. River studies by means of electrofishing as part of regular regional Fish monitoring. In lakes, irregular gillnet and electofishing surveys in certain high altitude lakes and ponds.

This is a National Implementation Plan (NIP) project
Comments and additional information:

The joint undertaking between Finland, Norway and Russia was not carried out because of the lack of joint funding. Instead, the lakes surveyed in Finland in early 1990s, were resampled in the autumn 2000.

Time frame

Project time span
1990 - 2000
Data collection
1990 - 2000
Data processing
1990 - 1995
Data reporting
1990 - 1995

Contact information

Contact person
Martti Rask
Finnish Game and Fisheries Research Institute Evo Fisheries Research Station FIN-16970 Evo Finland
+358 205 751 422
+358 205 751 429
Other project contacts
Antti Lappalainen Finnish Game and Fisheries Research Institute P.O.Box 6 FIN-00721 Helsinki Finland Tel: +358 205751222 Fax: +358 205751201 e-mail:

Parameters and Media

Parameter groups measured/observed/modelled
Acidification parameters
Biological effects
Media sampled/studied/modelled
Freshwater fish
Additional information or further specification of types of data / information collected, species / tissues / organs sampled, etc.

Fish community structure: species composition and relative abundance


Regions studied
Biological effects
Biological effects
Other areas
North-East Lapland

Data availability

Are data archived or planned to be archived at an AMAP Thematic Data Centre?
If no (or only part of data are reported to a TDC), where and how are (other) data stored?
Data stored in the institute, FGFRI Available after request, through contact persons
References to key publications (or planned publications) and data reports
Erkinaro, J., Niemelä, E., Erkinaro, H. & Rask, M. 1992. Monitoring of the possible effects of acidification on fish populations and zoobenthos of rivers and lakes in northeastern Finnish Lapland. - In: Tikkanen, E., Varmola, M. & Katermaa, T. (toim.), Symposion on the State of the Environment and Environmental Monitoring in Northern Fennoscandia and the Kola Peninsula. Arctic Centre Publications 4, s. 168-171. Arctic Centre, University of Lapland, Rovaniemi. Lappalainen, A., Mähönen, O., Erkinaro, J., Rask, M. & Niemelä, E. 1995. Acid deposition from the Russian Kola Peninsula: are sensitive fish populations in North-eastern Finnish Lapland affected? Water Air Soil Pollut. 85, s. 439-444. Lappalainen, A., Tammi, J., Puro-Tahvanainen, A. 2007. The effects of nickel smelters on water quality and littoral fish species composition in small watercourses in the border are of Finland and Russia. Boreal Environment Research 12: 455-466.
Samples/specimens archived in specimen banks?

Methods & Procedures

Procedures and methodology used for, e.g., sampling and sample storage, sample pretreatment, extraction and analysis, including which laboratories are involved, references to methods employed, etc.

Electrofishing is carried out according to the principles of EU/CEN standard Gillnet sampling of fish in lakes (in the future) according to Swedish standard methods for sampling freshwater fish with multi-mesh gillnets (Appelberg, M. 2000. Fiskeriverket information 2000:1, 27 p.) Age determination of fish: according to common principles adopted in Fenno-Scandia

QA/QC Information (what QA/QC procedures are implemented, laboratories involvment in QA/QC activities, model verification/validation routines, etc.)

See the previous point.

Additional Information

Is this a bi- AND multi-lateral project (i.e. a project involving cooperation between different countries)?
Other institutes involved in the project

Lapland Centre for Economic Development, Transport and the Environment(water quality analyses).

Is this project reporting to other organizations/programmes?

Internal reporting of the FGFRI

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