Arctic - Physcial Conditions Of The Environment Flashcards
Where is mussel farming which is rich in vitamins
Wakenham Bay, North Canada
Arctic land cover
14.5km2
What is a high source of vitamin c
Narwhals
Why cant the Inuits walk to capture seals and fish
Slushy ice
What are the polar bears forced to eat
Berries and mosses which lower body mass which means less food for indigenous people
What happens in early spring
Early birth of reindeers but it wont last long
What has happened to the quality of the resources
Declined
How many Inuit children are suffering malnutrition
30%
High salt,sugar and unhealthy fats
Decline in health
Contamination of water spreads to the fish
Have to buy store brought fish instead
What are the dominant plant species
Low shrubs, moss and lichens
Lack of nitrogen fixing plants ( cold and wet)
Limited fertility and inhibited breakdown of plant material
High food prices
Remoteness
Meat is prepared
Kept in caves
Main farming techniques
Hunting,fishing and herding
Disease brought to the north by southerly animals
Meningeal brain work - lethal to caribe
Sea ice, snowfall and permafrost
Diminished due to climate change
Where does it cover
Arctic Ocean, northern Alaska, Canada, Scandinavia and Russia
Makes it an extreme environment
Thick ice and snow cover bitter cold
Angle of the sun
Too low that temps do not rise above freezing - short growing season
Low organic productivity a net primary productivity
140g/m2
Second lowest
Land biome
Plants are adapted to moisture -deficient conditions
Most water is stored as ice
Plants
Compact, short growing( avoid the permafrost and make the summer surface thaw) slow growing to avoid the wind