Human Impact on Biodiversity (AQA A-Level Biology): Flashcards
📚Flashcards
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Practise the cards
10 cards from this deck
Key characteristic of agricultural ecosystems
Key characteristic of agricultural ecosystems
Human-controlled with lower species diversity
UK food output change past 40 years
UK food output change past 40 years
Doubled
Monocultures definition
Monocultures definition
Single crop species replacing diverse natural areas
Current extinction rate vs natural background rate
Current extinction rate vs natural background rate
100-1000 times higher
Primary cause of species loss
Primary cause of species loss
Habitat clearance and conversion
UK hay meadows decline since 1900
UK hay meadows decline since 1900
95%
Conservation headlands
Conservation headlands
Field edges with restricted pesticide use
Better hedge profile for wildlife
Better hedge profile for wildlife
A-shaped
What does intercropping replace?
What does intercropping replace?
Herbicides for weed and pest control
UK hedgerows decline percentage
UK hedgerows decline percentage
30%