1. The Falkland Islands marine ecosystem: a review of the seasonal dynamics and trophic interactions across the food webJ.M.A. van der Grient, Simon Morley, Alexander Arkhipkin, James Bates, Alastair Baylis, Paul Brewin, Michael Harte, Will White and Paul Brickle2. An impact of non-native species invasions on the Caspian Sea biotaTamara A. Shiganova, Larisa Pautova, Alexander Kazmin, Aboulghasem Roohi, Henri Dumont and Andrei Kamakin3. A global synthesis of microplastic contamination in wild fish species: challenges for conservation, implications for sustainability of wild fish stocks and future directionsLuís Gabriel Antão Barboza Sr.4. Addressing Underwater Noise: Joint Efforts and Progress on Its Global GovernanceNikolina Rako-Gospic and Marta Picciulin