Case Study: Antarctica - Climate Change (AQA A-Level Geography): Flashcards
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Role of krill in Antarctic ecosystem
Role of krill in Antarctic ecosystem
Vital - almost all species depend on them for survival
What krill feed on
What krill feed on
Zooplankton and phytoplankton
By-catch definition
By-catch definition
Unintentional capture of non-target species whilst fishing
Krill oil contains high levels of
Krill oil contains high levels of
Omega-3 fatty acids
Antarctic Peninsula temp rise (past 50 years)
Antarctic Peninsula temp rise (past 50 years)
Nearly 3°C
Thwaites Glacier collapse - sea level rise potential
Thwaites Glacier collapse - sea level rise potential
Up to 63cm
East Antarctica ice loss status
East Antarctica ice loss status
No significant loss of ice
2014 Antarctic sea ice extent record
2014 Antarctic sea ice extent record
20.11 million square kilometres
Ocean acidification cause
Ocean acidification cause
Increased atmospheric CO₂ creates carbonic acid
Antarctic Treaty position on mining
Antarctic Treaty position on mining
Completely banned