Keystone species Flashcards
1
Q
What are keystone species?
A
Species which help to hold the ecosystem together, controlling diominant species, reducing predation risk and acting as ecosystem engineers.
2
Q
What did Paine et al. (1966) do?
A
He removed pisaster starfish in rockpools and found that species reduced from 15 to 8 as mussels took over the habitat.
3
Q
What are examples of keystone species?
A
Prairie dogs, otters and elephants, hummingbirds
4
Q
What are flagstone species?
A
Species chosen to represent charities and organisations.
5
Q
What are umbrella species?
A
A species which conservation efforts are focused on which also benefits others.
