Nom du corpus

Corpus Systématique Animale

Titre du document

Losses and recoveries of fish populations in acidified lakes of southern Finland in the last decade

Lien vers le document
Éditeur
Springer (journals)
Langue(s) du document
Anglais
Type de document
Research-article
Mots-clés d'auteur
  • Fish populations
  • perch
  • roach
  • growth
  • reproduction
  • water chemistry
  • acidification
  • recover
Nom du fichier dans la ressource
Poissons_v2b_003404
Auteur(s)
  • M. Rask 1
  • J. Raitaniemi 2
  • J. Mannio 3
  • J. Vuorenmaa 3
  • K. Nyberg 4
Affiliation(s)
  • 1) Finnish Game and Fisheries Research Institute, Evo Fisheries Research and Aquaculture, FIN-16970, Evo, Finland
  • 2) Finnish Game and Fisheries Research Institute, P.O.Box 202, FIN-00151, Helsinki, Finland
  • 3) Finnish Environment Agency, P.O.Box 140, FIN-00251, Helsinki, Finland
  • 4) Department of Limnology, University of Helsinki, P.O.Box 27, FIN-00014, Finland
Résumé

Acid-induced fish damage in small lakes in southern Finland was studied in a fish status survey of eighty lakes from 1985–1987. Later, twenty of these lakes were selected for further monitoring. A sampling of these lakes from 1988–1989 showed that the decrease in some perch (Perca fluviatilis L.) and roach (Rutilus rutilus L.) populations still continued. The results from the same lakes in 1992 showed that successful reproduction had taken place with many of the perch populations that had been close to extinction in 1985. In contrast, no signs of recovery in the roach populations were detected. The explanation for the appearance of new cohorts of perch could have been the decrease in acid deposition but the exceptional hydrological conditions of winters in the early 1990s may also have affected them. The different responses of the perch and roach populations were interpreted as a consequence of the different sensitivity of these two species to acidification. Even a slight improvement in the water quality has resulted in the appearance of strong new year-classes of perch, but not of roach. Therefore, more improvement in water quality is needed until a sensitive species like roach can reproduce again.

Catégories Science-Metrix
  • 1 - natural sciences
  • 2 - earth & environmental sciences
  • 3 - environmental sciences
Catégories INIST
  • 1 - sciences appliquees, technologies et medecines
  • 2 - sciences biologiques et medicales
  • 3 - sciences biologiques fondamentales et appliquees. psychologie
Catégories Scopus
  • 1 - Physical Sciences ; 2 - Environmental Science ; 3 - Pollution
  • 1 - Physical Sciences ; 2 - Environmental Science ; 3 - Water Science and Technology
  • 1 - Physical Sciences ; 2 - Environmental Science ; 3 - Ecological Modelling
  • 1 - Physical Sciences ; 2 - Environmental Science ; 3 - Environmental Chemistry
  • 1 - Physical Sciences ; 2 - Environmental Science ; 3 - Environmental Engineering
Catégories WoS
  • 1 - science ; 2 - water resources
  • 1 - science ; 2 - meteorology & atmospheric sciences
  • 1 - science ; 2 - environmental sciences
Identifiant ISTEX
79775C3026C745616D426C42C4AC76087FAD5841
Revue

Water, Air, and Soil Pollution

Année de publication
1995
Présence de XML structuré
Non
Version PDF
1.3
Score qualité du texte
6.697
Sous-corpus
  • Poissons
Type de publication
Journal
ark:/67375/1BB-8GCB7126-Q
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