Photosynthetic activity and ecology of benthic diatom communities from streams affected by Acid Mine Drainage (AMD) in pyritic mines

The authors are grateful to the Biology and Geosciences Departments of University of Aveiro, Portugal and to the Fundacao para a Ciencia e Tecnologia, Portugal (grant number SFRH/ BD/36137/2007) for their financial support during this study. We thank Helena Novais for the valuable help with the software (ArcGis) to do the sites’ location map. We thank the two anonymous reviewers and the editor for critical comments on the manuscript.