Dear Reader,the Journal of Limnology is changing its editorial structure beginning from this issue. Gianluigi Giussani leaves his role of Editor-in-Chief, which he held for 12 years with generosity and expertise. During his management, the spread of the Journal of Limnology has expanded greatly, leading the journal to receive an impact factor since 2007 (average of 4 years: 1.285). This success has prompted us to improve the accessibility of the journal for authors and readers, starting a new website. The manuscript submission and the review process will be handled online, speeding up the publication of papers and maintaining the open access. The papers will be freely available via internet and the publication of manuscripts will continue w...