during autumn and winter. The waters off Granville are regularly affected by pollution caused by modern shipwrecks, or by illegal fuel tank discharges into the sea. There is now an international agreement between France and the UK, as well as other European countries bordering the Channel, to severely punish ship-owners when such pollution can be proven. The area is constantly under surveillance by aircraft and radar operated by civil and military authorities. Granville harbour hosts a small maritime emergency rescue team. The number of rocks and shipwrecks in the area creates an environment rich in seafood, which can be exploited from the small harbour of Granville. Fishing is dangerous in the area, and many small fishing boats have been involved in collisions with large commercial vessels such as container ships and oil supertankers. In 2005, Granville was placed at 32nd in the national rank with 197,000 tonnes of handled cargo and 44,100 passengers. It is also a permanent station of the SNSM which has a lifeboat (registered SNS 074) and two RIBs. A cod fishing and oyster port in the 19th century, it became: There are some sea services to England and to the Channel Islands. This traffic is relatively light from Granville, as Saint-Malo and Cherbourg offer more industrialised facilities for passenger and cargo traffic. Manche Iles Express operates a ferry from Granville to St Helier, away. A port for the carriage of passengers with the ferries Douce France, Jolie France II and Joly France I destined for the Chausey and Channel Islands. Although there are no regular passenger sea services between Granville and Chausey. French and British security forces operate permanently in this very dangerous and narrow area of the Channel, which is one of the busiest sealanes in the world. A trading port with the capacity to accommodate ships of wide, long and five to six thousand tons of capacity, primarily for shipments of scrap metal, sand and gravel equipped with two cranes that can lift one hundred to three hundred tons per hour, and with a conveyor belt with a capacity of 750 tons per hour. The maximum permissible draught in Granville harbour is 11.60 with a tidal coefficient of 100. The first Norman fishing port of shellfish (clams, whelks, dog cockles, Saint-Jacques scallops), crustaceans (lobsters, brown crabs, small crabs, spider crabs) and fish (bream, rays, sharks, soles, pollock, bass, red mullet, cod, cuttlefish and squid)