maintaining biodiversity Flashcards
1
Q
define ‘in situ’
A
conservation of species in their natural habitat
2
Q
define ‘ex situ’
A
conservation of species when removed from their natural habitat
3
Q
describe the features of maintaining biodiversity in a wildlife reserve
A
- controlled grazing
- restrict human access
- feeding animals
- reintroduce species
- culling
- deflected succession
4
Q
describe the features of maintaining biodiversity in a marine conservation zone
A
- restrict access
- control fishing
- remove species
5
Q
describe the features of maintaining biodiversity in botanic gardens
A
- contain rare plants
6
Q
describe the features of maintaining biodiversity 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
allows new shoots to grow from surface of 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