Human Geo Flashcards
What did the IWC set up?
Souther ocean whale sanctuary
50 million km2
When did whaling begin?
19th century
What was a key exploited site of whales? And when was it abandoned?
Grytviken
1965
What replaced whaling in the 1960’s?
Fishing
How many tourists visited Antarctica?
37,000 between 2009-2010 expected to double
How much has the krill population decreased by?
80% since 1970’s
How many people are affected by asthma?
334 million globally
Where is affected the most by asthma?
Australia - 25% of people aged 18-45
What are the triggers to asthma?
Air pollution
Chemical waste
Animals
Mould/ dust
What soil is found in temperate grassland ?
Chernozem
What soil is found in rainforest environments ?
Red Latsol
What are the characteristics of red latsol?
Infertile
Burnt so ash can return nutrients to the ground
Characteristics of chernozem ?
Dark Fertile High water retention 230 million hectares worldwide Grows cereal / potatoes
What are the 4 types of water erosion of soil?
Sheet erosion
Rill erosion
River bank erosion
Gully erosion
What are the types of wind erosion?
Abrasion Attrition Suspension Creep Saltation
How does water logging cause soil erosion?
Cute off oxygen
Anaerobic conditions
Causes root tissue to decompose
Stunts plant growth
Distribution of malaria
16 - 32 degrees Humidity Equator DRC and Congo Monsoon
Characteristics of malaria?
Vector borne - mosquito
Disrupts blood supply
How many people are at risk in how many countries of malaria?
3.4 billion in 106 countries
How many cases and deaths from malaria in 2013?
198 million cases
584,000 deaths
What percentage of cases are in Africa?
82
What percentage of total malaria deaths are in Africa?
90%
