Fisheries science is the academic discipline of managing and understanding fisheries. Blue marlin are often caught as bycatch in tuna longline fisheries. Overfishing has depleted a number of the historic fisheries. Fish processing is the processing of fish delivered by commercial fisheries and fish farms. They were all transferred to the Ministry of Agriculture, Forestry and Fisheries. There are various committees governing matters such as finance, programs, agriculture, and fisheries. The EU has responsibility for important areas such as trade, monetary union, agriculture, fisheries. Environmental organizations made submissions on risks to fisheries and species. He was chairman for the Committee on the Merchant Marine and Fisheries. Seven of the top ten fisheries target forage fish. However, some restrictions on fisheries and agriculture take place. It is administered by the Department of Agriculture and Fisheries. Lake Erie is home to one of the world's largest freshwater commercial fisheries. Tuna in particular are of major importance to commercial fisheries. It is administered by the Louisiana Department of Wildlife and Fisheries.