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Ocean governence, pollution and socio-economic use - Coggle Diagram
Ocean governence, pollution and socio-economic use
Ocean goverence
Global commons
Commons -- these are large resource pools which are not owned by nations and so can be accessed by everyone, however, the lack of ownership also means no-one is directly responsible for looking after it.
Tragedy of the commons -- this is where people have acted within their own self-interest instead of what is best for everyone. This has led to a great deal of destruction in the commons. This is a term created by the ecologist Garret Hardin.
Ocean management
Territorial waters -- these extend 12 miles out from a country's coast and a country has complete control over these waters.
Contigous zone -- these extend from 12 to 24 miles from the coast and in this area a country has soverign and legal rights over the water, but must allow unimpeded access to vessels from any country.
Exclusive Economic Zone (EEZ) -- these extend from 24 to 500 miles from the coast and in these waters the country has full control of ocean resources, but all countries may sail and fly through this area.
As deep sea resource extraction becomes more viable the range of EEZs is becoming more and more important.
Laws of the sea
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There are disputes over the extent of EEZs and what sort of islands and territories can be used as part of international claims for EEZs.
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South China Sea dispute
In 2013 China began developing coral atols and building new islands in the South China Sea to expand its EEZ within the area, however, this expansion overlaps with other national claims such as.
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The areas claimed by China are rich in fossil feuls and it is estimated that 21% of global trade flows through the area.
UNCLOS has found that the Chinese expansions are illegal and US/NATO naval forces have begun freedom of navigation operations in the South China Sea.
Marine reserves
Marine reserves -- these are the oceanic equivilent of a national park and exist in areas of high geological, biolgoical, historical or cultural importance so as to protect them.
Only 3% of the oceans are marine reserves, but a recent UN resolution means that 30% of the oceans could become protected.
Pollution
Pollution -- this is the process where human actions contiminate the enviroment with adverse effects on the quality of air and water etc.
Point source pollution -- this is where pollution is released from a single clearly indentifable source (oil spill).
Diffuse/non-point source pollution -- this is where pollution comes from many sources which are hard to pin point (fertiliser run off).
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Industrial pollution
Industrial sewage -- this is water from manufacturing or chemical processes that is dumped into the oceans or rivers.
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Spatial differences
In HIC's there is greater enviromental legisation to protect water quality and businesses have better technology to deal with industrial sewage.
However, there are still problems with it well recorded. In 2020 there were 3.1 million hours worth of literal sewage discharge into UK rivers.
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Oceans, migration and trade
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Ocean trade
Seuz and Panama cannal
Seuz canal
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Fears grow that it could be blocked again as the size of ships contuine to grow, but investment in the size of the canal fails to help it expand.
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Panama canal
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Cut the travel distence between New York and LA from 21,000km to 8,000km.
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Cons
No competition (prices can be set as high as they like to use the canal and it can control global trade).
Needs expanding (ships are to big, but this will have an enviromental impact).
Containerisation
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Before containerisation material was dumped onto ships. The use of containers reduced the number of people comming into direct contact with materials/products and reduced theft.
Before this it was said that dockworkers earned their daily wage and whatever they could carry off a ship.
Benefits
Universal, making trading easier as each dock and ship used the same system.
Reduced the time it took to load ships from weeks to hours whoich reduced costs and enabled the shipping of goods that prevouisly couldn't have been shipped.
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Submarine cables
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Countries in Asia have begun increasing the number of cables being laid with Japan working to connect London and Tokyo with undersea cables.
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Priracy
Piracy -- this is the act of boarding a vessel with intent to commit theft or any other crime or capacity to use force.
Most pirarcy occurs in the Gulf of Aden (Somalia), around the Malaca Strait and the Gulf of Guinea.
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Migration
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Refugees and oceans
The crossing the mediterian sea is one of the main ways inwhich refugees enter Europe, other refugee groups have also used the oceans such as the 'boat people' fleeing Vietnam.
Attempts have been made to reduce the dangers of crossing the oceans with pick up missions, however some countries have begun abonding this policy in exchange to turning ships back and sending them home.