Introduction of plants/animals into areas that have no previously supported a community
1 of 9
What is Secondary Succession?
Reintroduction of organisms into a bare, previously occupid, habitat. E.g. Re-colonisation after a fire
2 of 9
What is a Climax Community?
A community that has reached equilibrium with its enviroment and no further changes occur.
3 of 9
What are the stages of succession known as?
Seres
4 of 9
Example of Primary Succession.
Bare rock > Algae and Lichens > Lichens erode rock > Rock weathers, dead organic material accumulates > Primative soil forms > Wind blown spores brings moss > Grasses establish in developed soil > Deep rooted shrubs in soil build up > Trees establish
5 of 9
What are the first species to colonise an area known as?
Pioneer species
6 of 9
What assists in colonisation during Secondary Succession?
Seeds/Spores/Reproductive plant organs may remain in the soil, Migration of animals
7 of 9
What kind of Human interference can affect succession?
Grazing of sheep, Farming of land, Deforestation, Soil erosion.
8 of 9
Community Management - Heather and Grouse
Pioneer stage best for feeding, Building stage best for nesting. Managed to prevent passing into mature/degenerate stages which are unsuitable for Grouse breeding.
9 of 9
Other cards in this set
Card 2
Front
What is Secondary Succession?
Back
Reintroduction of organisms into a bare, previously occupid, habitat. E.g. Re-colonisation after a fire
Comments
No comments have yet been made