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You are here: Home » Past Issues » Volume 5, 2010 - Number 2 » THE RELATION BETWEEN WATER QUALITY AND THE DISTRIBUTION OF GAMMARUS BALCANICUS SCHÄFERNA 1922 (AMPHIPODA: GAMMARIDAE) IN THE ANINA MOUNTAINS


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Lucian PÂRVULESCU1 & Carmen HAMCHEVICI2
1 West University of Timi┼čoara, Faculty of Chemistry, Biology, Geography, Dept. of Biology, 16A Pestalozzi St., 300115, Timi┼čoara; e-mail: parvulescubio@cbg.uvt.ro
2 National Administration “Apele Române”, Department of Water Resources Management, 6 Edgar Quinet St., Bucharest; email: carmen.hamchevici@rowater.ro

THE RELATION BETWEEN WATER QUALITY AND THE DISTRIBUTION OF GAMMARUS BALCANICUS SCHÄFERNA 1922 (AMPHIPODA: GAMMARIDAE) IN THE ANINA MOUNTAINS

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Abstract: Gammarus balcanius, the commonest amphipod species in the mountainous and submountainous areas of Romania, has been the subject of various approaches regarding the relation between the species distribution and water quality. This paper compares by means of the one-way ANOVA test the data collected from the sampling stations where this species was detected with the data from the sampling stations where the species was not detected. Several parameters were taken into account: altitude, pH, dissolved oxygen, chemical oxygen demand, hardness, anionic surfactants, tannin, lignin, cyanide, nitrate, nitrite, ammonia and soluble reactive phosphorus. The preference of the species for a high level of dissolved oxygen, the low level of chemical oxygen demand, nitrite and soluble reactive phosphorus were the statistically significant results. The low levels of ammonia and anionic surfactants and the result regarding altitude are also close to the margin for statistical significance. All these results point to the conclusion that the species under scrutiny prefers the clean waters of the mountain streams’ middle and superior segments.


Keyword: Anina Mountains, Gammaridae, Gammarus balcanicus, distribution, water quality


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