Egypt has spent billions on cleaning polluted lakes where declining fish numbers have severely impacted fish farming, the country’s agriculture minister said. Minister of Agriculture and Land Reclamation Al-Sayed El-Qosair said at the Saudi International Maritime Exhibition and Conference (SIMEC) in Riyadh that the work has had a “powerful” impact in Egypt, where fisheries have made a key contribution towards feeding the country’s population, Arab News reported. El-Qosair said Egypt had established a dedicated research centre hosting than 30 operating institutes, among other efforts to protect…