C.4 - Conservation of Biodiversity Flashcards
1
Q
Define indicator species.
A
organisms that live in a specific ecological niche and have a limited tolerance to abiotic factors
2
Q
Provide an example of an indicator species
A
Lichens (intolerant to air pollution) and macroinvertebrates (intolerant to low dissolved oxygen)
3
Q
What is in situ conservation
A
Conserving endangered species within their natural habitat such as reserves
4
Q
What is ex situ conservation
A
Conserving endangered species outside their natural habitat eg zoos, botanic gardens and seed banks
5
Q
What is an example of ex situ conservation?
A
The Arabian oryx - was captured for breeding programs and successfully reintroduced. Promoted genetic diversity!
6
Q
What factors can promote conservation?
A
Large reserve sizes, edge effects and habitat corridors.
