Chemical And Ecotoxicological Analyses To
Assess The Environmental Risk Of
The Garigliano River (central Italy)
Author(s)
N. Calace, B. M. Petronio, M. Pietroletti, E. Palmaccio,
T. Campisi & A. Iacondini
Abstract
The aim of this paper was to assess the environmental risk of the Garigliano
River on the Tyrrenean Sea. In particular we focused our attention on the
chemical and ecotoxicological quality of the river. Nine stations (sediment) were
analysed along the last 10 km before the sea for heavy metal content. Moreover,
three ecotoxicological tests (Vibrio fischeri with Microtox®, Pseudomonas
fluorescens DHase inhibition assay, Pseudokirchneriella subcapitata inhibition
test) were carried out on sediment samples in order to evaluate the toxicity of the
matrices. The principal components analysis (PCA) and clustering were
performed in order to correlate all the data. The results showed that heavy metal
content (Cu, Pb, Ni, Cd, Zn, Fe and Mn) is low in all stations; these data
reflected the results obtained from ecotoxicological tests that showed no toxic
matrices, except for one station. An integrated chemical and ecotoxicological
approach applied on the Garigliano River found that actually its environmental
impact is not hazardous for the Tyrrenean Sea.
Keywords: Vibrio fischeri test, Pseudomonas fluorescens test, algal test, heavy
metals, Pseudokirchneriella subcapitata.
1 Introduction
In recent years, the assessment of the effect of sediment pollution on indigenous
microflora has received more attention and an ecological interest [1].
Concentrations of contaminants in the environment are primarily determined by
Keywords
Vibrio fischeri test, Pseudomonas fluorescens test, algal test, heavymetals, Pseudokirchneriella subcapitata.
Related Book
Other papers in this volume
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