Lessons learned about the effect of reduced anthropogenic activities on water quality in a large lake system and opportunities towards sustainable management, by Gemma Kulk (Plymouth Marine Laboratory, UK), Grinson George (ICAR-Central Marine Fisheries Research Institute, India), Anas Abdulaziz (CSIR-National Institute of Oceanography, India), Nandini Menon (Nansen Environmental Research Centre, Kerala University of Fisheries and Ocean Sciences, India), Varunan Theenathayalan (Plymouth MarineLab