The Zone
This strange word is common to all ocean layers
What is pelagic?
A large system of rotating ocean currents associated with large wind movements and the earth rotation.
What are gyres?
The process where a waste product decays and becomes absorbed by the environment.
What is biodegrade?
The unwanted fish and other marine creatures trapped by commercial fishing nets when fishing for other species.
What is bycatch?
An impact due to increasing pressure on the natural systems and has to do with pollution from human activity.
What is nutrient pollution?
The middle of the top three layers has a nickname that reminds you of vampires.
What is the twilight zone?
Deep-ocean currents mobilize what percentage of the ocean´s water?
What is 90%?
Debris in the water not deliberately thrown overboard, but often the result of a shipwreck or accident.
What is flotsam?
Depleting the stock of fish in an area of sea by fishing excessively.
What is overfishing?
This impact affects life in the oceans.
What is loss of marine species (and coral reefs)?
The lack of sunlight as you swim deeper prevents this process to happen.
What is photosynthesis?
Looping ocean currents travel clockwise in which hemisphere?
What is northern?
Human-created waste that has deliberately or accidentally been released in a river, lake or ocean.
What is marine litter / marine debris?
Illegal, unreported and unregulated fishing that takes place in violation of rules or operate in waters without permission.
What is pirate fishing?
The rising of the sea level affects the coasts and the rate at which they disappear due to this process.
What is erosion?
This layer is named after a Greek god.
What is hadopelagic or Hadal zone?
The vertical current that allows cold water to sink while warm water takes its place is called Thermohaline circulation. What do thermo and haline mean?
What are temperature and salinity?
Debris that was deliberately thrown overboard by a crew of a ship in distress, mostly to lighten the ship.
What is jetsam?
Bottom trawling and dredging are both examples of this type of fishing methods.
What is destructive?
The chemistry of the ocean changes due to this huge process.
What is climate change?
You have to go past this distance if you want to reach ´the trenches´.
What is 6000 meters?
Thermohaline circulation of deep water and wind-driven surface currents form the longest current in the world.
What is the Global Conveyor belt?
An area of concentrated waste in the Pacific and Atlantic oceans.
What is garbage patch?
High-tech big fishing ships that use radars, helicopters and massive nets to maximize the catching of fish.
What are pelagic trawlers?
This impact has to do with an increasing population that demands more and more from the oceans.
What is conflict over access to resources?