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EU needs groundwater ecosystems guidelines
Di Lorenzo, Tiziana; Lunghi, Enrico; Aanei, Cristina Mihaela Tereza; Altermatt, Florian; Alther, Roman; Rosário, Isabel Amorim Do; Bancila, RalucaNegotiations are underway on the new European Union (EU) Water Directive (1), which will regulate the protection and sustainable use of Europe’s water resources. However, the proposal foregoes environmental quality standards specifically tailored to sensitive groundwater species and fails to require biomonitoring for groundwater ecosystems. Despite repeated calls for consideration (2, 3) since the first Water F...
The recovery of European freshwater biodiversity has come to a halt
Haase, Peter; Bowler, Diana E.; Baker, Nathan J.; Bonada, Núria; Domisch, Sami; Garcia Marquez, Jaime R.; Heino, Jani; Hering, Daniel; Jähnig, Sonja C.Owing to a long history of anthropogenic pressures, freshwater ecosystems are among the most vulnerable to biodiversity loss1. Mitigation measures, including wastewater treatment and hydromorphological restoration, have aimed to improve environmental quality and foster the recovery of freshwater biodiversity2. Here, using 1,816 time series of freshwater invertebrate communities collected across 22 European coun...
Comparing bond strength and marginal integrity with direct bulk-fill resin comp...
Barros, Yolanda; Bandéca, Mateus; Millán, Andrés; Siqueira, Fabiana; Kuga, Milton [UNESP]; Fernandez, Eduardo; Chaple Gil, Alain Manuel; Borges, AlvaroMade available in DSpace on 2020-12-12T00:56:40Z (GMT). No. of bitstreams: 0 Previous issue date: 2019-04-01; Introduction: The clinical longevity of tooth restoration -whether directly or indirectly using composites- greatly depends on the quality and stability of the marginal adaptation. Even today, dental restoration failure is a major complication in everyday dental practice. Objective: To evaluate the effe...