LotaV3, Main, Exploration, bibRecord, 000A97

Water quality and fish populations of acid sensitive waters in the Vätsäri area, northeastern Finland: responses to reduced sulphur emissions from the Kola peninsula, Russia, in the 1990s

Identifieur interne : 000A97 ( Main/Exploration ); précédent : 000A96; suivant : 000A98

Water quality and fish populations of acid sensitive waters in the Vätsäri area, northeastern Finland: responses to reduced sulphur emissions from the Kola peninsula, Russia, in the 1990s

Auteurs : Jouni Tammi [Finlande] ; Antti Lappalainen [Finlande] ; Tarja Bergman [Finlande]

Source :

Boreal environment research [ 1239-6095 ] ; 2003.

RBID : Pascal:03-0203845

Descripteurs français

Pascal (Inist)
- Finlande, Laponie, Qualité eau, Lac, Pollution, Faune poisson, Etude impact milieu, Emission atmosphérique, Soufre, Origine, Russie, Péninsule Kola, Pluie acide, Hydrochimie, Dioxyde soufre, Ecosystème, Milieu eau douce, Acidification, Sulfate.
Wicri :
- geographic : Finlande, Russie.
- topic : Lac, Pollution, Soufre, Pluie acide, Acidification.

English descriptors

KwdEn :
- Finland, Kola Peninsula, Lapland, Russian Federation, acid rains, acidification, atmospheric emission, ecosystems, fish, fresh-water environment, hydrochemistry, impact statements, lakes, pollution, provenance, sulfates, sulfur, sulfur dioxide, water quality.

Abstract

Changes in fish population and water quality in response to the decline in sulphur deposition in small waterbodies in north-eastern Finland were studied by using data from two consecutive surveys of fish and water chemistry at 20 sampling sites in 1993 and in 2000. The study area consisted of three separate catchment basins near the Norwegian-Russian border area, 40-50 km west of the nearest large source of SO, the Nikel industrial complex in the Kola Peninsula. The most common fish species caught were minnow (Phoxinus phoxinus), burbot (Lota Iota) and brown trout (Salmo trutta). Special attention was focused on minnow because of its sensitivity to acidification and its frequent occurrence in the study area. At all sampling sites, the alkalinity values of the sampled brooks and lakes were significantly higher and the sulphate concentrations significantly lower in 2000 than in 1993. The increased densities of minnow and changes in the length distribution of the sampled fish indicated that reproduction of the species was successful at most of the sampling sites in the late 1990s. The results suggest that the decrease in acid emissions from the Kola industrial centres has resulted in noticeable chemical and biological recovery of the most acid-sensitive surface waters in north-eastern Finnish Lapland.

Affiliations:

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Le document en format XML

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<term>acidification</term>
<term>atmospheric emission</term>
<term>ecosystems</term>
<term>fish</term>
<term>fresh-water environment</term>
<term>hydrochemistry</term>
<term>impact statements</term>
<term>lakes</term>
<term>pollution</term>
<term>provenance</term>
<term>sulfates</term>
<term>sulfur</term>
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<term>water quality</term>
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<term>Qualité eau</term>
<term>Lac</term>
<term>Pollution</term>
<term>Faune poisson</term>
<term>Etude impact milieu</term>
<term>Emission atmosphérique</term>
<term>Soufre</term>
<term>Origine</term>
<term>Russie</term>
<term>Péninsule Kola</term>
<term>Pluie acide</term>
<term>Hydrochimie</term>
<term>Dioxyde soufre</term>
<term>Ecosystème</term>
<term>Milieu eau douce</term>
<term>Acidification</term>
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<front><div type="abstract" xml:lang="en">Changes in fish population and water quality in response to the decline in sulphur deposition in small waterbodies in north-eastern Finland were studied by using data from two consecutive surveys of fish and water chemistry at 20 sampling sites in 1993 and in 2000. The study area consisted of three separate catchment basins near the Norwegian-Russian border area, 40-50 km west of the nearest large source of SO, the Nikel industrial complex in the Kola Peninsula. The most common fish species caught were minnow (Phoxinus phoxinus), burbot (Lota Iota) and brown trout (Salmo trutta). Special attention was focused on minnow because of its sensitivity to acidification and its frequent occurrence in the study area. At all sampling sites, the alkalinity values of the sampled brooks and lakes were significantly higher and the sulphate concentrations significantly lower in 2000 than in 1993. The increased densities of minnow and changes in the length distribution of the sampled fish indicated that reproduction of the species was successful at most of the sampling sites in the late 1990s. The results suggest that the decrease in acid emissions from the Kola industrial centres has resulted in noticeable chemical and biological recovery of the most acid-sensitive surface waters in north-eastern Finnish Lapland.</div>
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Water quality and fish populations of acid sensitive waters in the Vätsäri area, northeastern Finland: responses to reduced sulphur emissions from the Kola peninsula, Russia, in the 1990s

Water quality and fish populations of acid sensitive waters in the Vätsäri area, northeastern Finland: responses to reduced sulphur emissions from the Kola peninsula, Russia, in the 1990s

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri