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Oil - Coggle Diagram
Oil
Impact in marine ecosystem
Disruption in food web
Food shortages
Population explosion
Extintion of species
Phytoplankton, fish, birds, mammals
Organisms are killed
Reduction in fish population
Affect fishers and availability of food locals
Reduce tourism
Reliant
Easy to store and transport
Easier to extract than other materials
Made into a number of different products
Produces less pollution when burnt
Causes of marine spills
Offshore oil extraction
Leakage from rigs
Oil pipelines
Leaks in the pipework moving oil
Transporting oil
collision or damage to oil tankers
Management of oil pollution
Reducing oil spills in marine environment
Tanker design
Two design features have been added
Increasing the number of compartments
Introduction of double-hulled tankers
MARPOL (marine pollution)
Regulates the pollution of oil, sewage, rubbish and toxic liquids
An agreement between countries
Rules to cover the transfer of crude oil from one place to another (smaller spills)
Tankers must be certificated
Use of floating booms
Barrier to surround oil spills and prevent it from spreading
For small areas and calm sea
Detergent sprays
Break down oil slicks into smallers droplets and disperse it
Skimmers
Cleans water without changing the chemical or physical properties of oil
Drags oil off the seawater surface and is scrapped into a container
Will not work under certain sea conditions