maintaining biodiversity Flashcards
1
Q
define in situ
A
conversation of species in their natural habitat
2
Q
define ex situ
A
conservation of species when removed from their natural habitat
3
Q
name 6 ways biodiversity is maintained in a wildlife reserve
A
- controlled grazing
- restrict human access
- feeding animals
- reintroduce species
- culling
- deflected succession
4
Q
name 3 ways biodiversity is maintained by a marine conservation zone
A
- restrict access
- control fishing
- remove species
5
Q
how is biodiversity maintained in botanic gardens
A
they contain rare plants
6
Q
how can biodiversity be maintained in seed banks?
A
seeds from a wide variety of plants are stored
7
Q
what is coppicing
A
- cutting tree trunks close to the ground
- repeated over time
8
Q
what does coppicing result in?
A
multiple new shoots growing from the surface of the stump
9
Q
how does coppicing increase biodiversity?
A
- new stems grow more rapidly than saplings
- provides more habitats for animals to live and reproduce
- extends lifespan of tree
- varies light levels
- allows smaller plants to access light
10
Q
A
