Expression of Concern: Environ Earth Sci (2016) 75:215 https://doi.org/10.1007/s12665-015-4798-4

The Editors-in-Chief of Environmental Earth Sciences are issuing an editorial expression of concern to alert readers that this article (Mohammadian et al. 2016) shows evidence of substantial text overlap (most notably with the article cited; Ćojbašić et al. 2016) and authorship manipulation. None of the authors responded to correspondence about this editorial expression of concern.