Pollution in mediterranean-climate rivers
2013
Lopez-Doval, Julio C. | Ginebreda, Antoni | Caquet, Thierry | Dahm, Clifford N. | Petrovic, Mira | Barcelo, Damia | Munoz, Isabel | Dept Ecol, Fac Biol ; Universitat de Barcelona (UB) | Dept Environm Chem, Inst Environm Assessment & Water Res ; Consejo Superior de Investigaciones Cientificas [España] = Spanish National Research Council [Spain] (CSIC) | Écologie et santé des écosystèmes (ESE) ; Institut National de la Recherche Agronomique (INRA)-AGROCAMPUS OUEST | Dept Biol ; New Mexico State University ; New Mexico Consortium (NMC)-New Mexico Consortium (NMC) | Instituto Catalán de Investigación del Agua = Catalan Institute for Water Research (ICRA) ; Universitat de Girona = University of Girona (UdG) | King Saud University [Riyadh] (KSU) | European Commission through the MODELKEY [511237-GOCE]; Spanish Ministry of Science and Innovation through the Consolider-Ingenio [CSD2009-00065]
This review examines information generated over the past decade on the pollution of rivers in regions with a mediterranean-type climate (med-climate). Pollution has clearly increased in the last 100 years and is correlated with the development of industry, agriculture and human population. Important efforts have been made in some med-climate countries in order to characterise the chemical status of rivers. In addition, the number of chemical substances detectable in mediterranean-climate rivers (med-rivers), as well as the limits of detection, have improved from the development of better analytical methods. New substances detected in rivers are gaining attention. We discuss available knowledge regarding real and potential effects of pollutants on the biota and ecosystems in med-rivers, taking into account natural environmental characteristics of these rivers. The extreme seasonal conditions in med-rivers add to the potential risk because these characteristics can enhance pollutant effects. Efforts and policies to prevent or reduce pollution effects on med-rivers are linked to the knowledge about pollution pressures associated with the degree of economic development. Aquatic communities in med-rivers are more sensitive to pollutants because they are exposed to strong natural and human stressors.
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