Impact of peri-urban landscape on the organic and mineral contamination of pond waters and related risk assessment
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URBAN CONTAMINANTS: CONTROL MEASURES, REMEDIATION ACTIONS AND TOXICOLOGICAL IMPLICATIONS
Impact of peri-urban landscape on the organic and mineral contamination of pond waters and related risk assessment Sylvie Nélieu 1 & Isabelle Lamy 2 & Sara Karolak 3 & Ghislaine Delarue 1 & Olivier Crouzet 2,4 & Claire Barraud 3 & Maya Bimbot 3 & Fatima Allaoui 3 & Christophe Hanot 3 & Arnaud Delorme 5 & Yves Lévi 3 & Florence D. Hulot 3 & Emmanuelle Baudry 3 Received: 28 February 2020 / Accepted: 3 August 2020 # Springer-Verlag GmbH Germany, part of Springer Nature 2020
Abstract Ponds are important for their ecological value and for the ecosystem services they provide to human societies, but they are strongly affected by human activities. Peri-urban development, currently one of the most pervasive processes of land use change in Europe, exposes ponds to both urban and agricultural contaminants, causing a potential combination of adverse effects. This study, focused on 12 ponds located in a peri-urban area, has two main objectives: (1) to link the physico-chemical characteristics of the waters and the nature of their contaminants, either organic or mineral, with the human activities around ponds, and (2) to estimate the environmental risk caused by these contaminants. The ponds were sampled during two consecutive years in both spring and in autumn. Although the ponds were distributed over a limited geographical area, their contamination profiles were different and more correlated with the agricultural than the urban land use. In terms of aptitude for biology, half of the ponds were classified in degraded states due to their physico-chemical parameters, but without correlation with the endocrine disrupting activities and the levels of organic pollutants as indicators. The main quantified organic pollutants, however, were pesticides with sufficiently high levels in certain cases to induce an environmental risk exceeding the classical thresholds of risk quotient. Keywords Peri-urban . Ponds . Water quality . Endocrine disruptor . Pesticides . Trace metals . Pharmaceuticals . Risk quotient
Introduction Responsible Editor: Philippe Garrigues Electronic supplementary material The online version of this article (https://doi.org/10.1007/s11356-020-10355-5) contains supplementary material, which is available to authorized users. * Sylvie Nélieu [email protected] 1
Université Paris-Saclay, INRAE, AgroParisTech, UMR ECOSYS, 78850 Thiverval-Grignon, France
2
Université Paris-Saclay, INRAE, AgroParisTech, UMR ECOSYS, 78026 Versailles, France
3
Université Paris-Saclay, CNRS, AgroParisTech, UMR ESE, 91405 Orsay, France
4
Present address: Office Français de la Biodiversité (OFB), DRAS – UPFSEO, Saint-Benoît, 78610 Auffargis, France
5
CEA, Centre de Saclay, 91191 Gif-sur-Yvette, France
Freshwater ecosystems are of primarily interest for biodiversity and ecosystem services, even in agroecosystems. Although they cover only 2.8 to 3% of the Earth’s surface (Downing et al. 2006), they are home to almost 6% of all described species
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