Reasons for Maintaining Biodiversity (OCR A-Level Biology A): Flashcards
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Practise the cards
10 cards from this deck
Four main reasons for maintaining biodiversity
Four main reasons for maintaining biodiversity
Ecological, economic, agricultural, aesthetic
Keystone species
Keystone species
Species with disproportionate effect on ecosystem vs. abundance
Ecosystem resistance
Ecosystem resistance
Ability to withstand environmental change without disruption
Ecosystem resilience
Ecosystem resilience
Ability to recover after damage or disturbance
Apex predators
Apex predators
Top predators with no natural predators of their own
Trophic cascades
Trophic cascades
Effects extending from predator through multiple trophic levels
Ecosystem services
Ecosystem services
Benefits natural ecosystems provide to support life & wellbeing
Biophilia
Biophilia
Innate human love of nature (E.O. Wilson)
Umbrella species
Umbrella species
Species whose conservation protects many other species
% tree species lost without forest elephants
% tree species lost without forest elephants
30%
