Biodiversity (AQA A-Level Geography): Flashcards
📚Flashcards
Practise the cards
10 cards from this deck
ShowHide
Practise the cards
10 cards from this deck
Biodiversity definition
Biodiversity definition
Variety of life: species, habitats & genetic diversity
Species richness
Species richness
Number of different species present in an area
What does Living Planet Index (LPI) measure?
What does Living Planet Index (LPI) measure?
Trends in thousands of vertebrate species populations
Animal population decline 1970-2014 (LPI)
Animal population decline 1970-2014 (LPI)
60%
Freshwater species decline rate
Freshwater species decline rate
83% average decline
Main threats to biodiversity (top 2)
Main threats to biodiversity (top 2)
Exploitation (hunting/fishing) & habitat loss/degradation
Current extinction rate vs pre-human
Current extinction rate vs pre-human
100-1,000 times greater
% of ice-free land transformed by humans
% of ice-free land transformed by humans
40-50%
UK blanket bog carbon storage comparison
UK blanket bog carbon storage comparison
More than all forests in Britain & France combined
Kinder Scout height above sea level
Kinder Scout height above sea level
636 metres
