2024-03-29T10:38:45Zhttp://digital.csic.es/dspace-oai/requestoai:digital.csic.es:10261/1409442019-10-01T11:06:31Zcom_10261_57com_10261_8col_10261_310
http://hdl.handle.net/10261/140944
10.1016/j.scitotenv.2014.07.007
320173
Current anthropogenic pressures on agro-ecological protected coastal wetlands
Elsevier
2015
artículo
Pascual, Juan Antonio
Andreu Pérez, V.
rp13162
Gimeno-García, Eugenia
Picó, Yolanda
Anthropogenic soil sealing
Mediterranean wetlands
Environmental mass spectrometry
Water quality
2015-01-15
Coastal wetlands are areas that suffer from great pressure. Much of it is due to the rapid development of the surrounding artificial landscapes, where socio-economic factors lead to alterations in the nearby environment, affecting the quality of natural and agricultural systems. This work analyses interconnections among landscapes under the hypothesis that urban-artificial impacts could be detected on soils and waters of an agro-ecological protected area, L'Albufera de Valencia Natural Park, located in the vicinity of the City of Valencia, Spain. The methodological framework developed addresses two types of anthropogenic pressure: (1) direct, due to artificialisation of soil covers that cause soil sealing, and (2) indirect, which are related to water flows coming from urban populations through sewage and irrigation systems and which, ultimately, will be identified by the presence of emerging pharmaceutical contaminants in waters of the protected area. For soil sealing, a methodology based on temporal comparison of two digital layers for the years 1991 and 2011, applying Geographical Information Systems and landscapes metrics, was applied. To determine presence of emerging contaminants, 21 water samples within the Natural Park were analysed applying liquid chromatography tandem mass spectrometry for the detection of 17 pharmaceutical compounds. Results showed that both processes are present in the Natural Park, with a clear geographical pattern. Soil sealing and presence of pharmaceuticals are more intensive in the northern part of the study area. This is related to population density (detection of pharmaceuticals) and land cover conversion from agricultural and natural surfaces to artificial ones (soil sealing). © 2014 Elsevier B.V.
Ministerio de Ciencia e Innovación (España)
European Commission
Science of the Total Environment 503-504
2015
190
199