Managing Ecosystems Flashcards
1
Q
What does it mean by managing ecosystems?
A
- it can provide resources in a sustainable way
2
Q
is managing ecosystems, conservation or preservation?
A
- conservation
3
Q
What are the types of managing stratergies?
A
- coppicing
- strip felling
- replanting trees
4
Q
what is coppicing?
A
- cutting tress without killing them -> growing back
5
Q
what is strip fellowing?
A
- cut down the trees in strips or blocks
6
Q
what is replanting trees?
A
- plant native trees/ protects young plants
7
Q
what are the benefits of managing sustainability - Timber production?
A
- grow back faster
- do not need to plant new trees (coppicing)
- less disrupttion to the ecosystem
- maintains biodiveristy
- less erosion and leaching - (strip fellowing)
- prevents shoots being eaten by animals
8
Q
How can fishing strategies be achieved?
A
- fishing quotas - limits numbers of fish caught
- regulates mesh size of nets
- protects important areas by stopping fish there
9
Q
what are the benefits of fishing strategies?
A
- reduce the number of fish caught
- prevents species extinction
- protect the breeding population
- reduces bycatch (unwanted fish)
- only fish of a certain size will be caught
- protect fish while they are spawning.
- prevent extinction of fish species
