Succession

Succession is refers to the development of plant communities __over time__- from empty land to a climax community Diversity will increase and the community can support more complex food webs 2 Types //Primary//- When communities start from nothing //Secondary//- After organisms have been destroyed but soil remains eg-forest fire Plants C- Colonisers - grow on bare rocks Eg. Lichens and mosses P pioneer species - grow very quickly, spread their seeds and die eg- grasses and ferns Pioneers when they die and are broken down, organic matter is added to the soil As time passes plant species become larger and more complex Human activities affect succession- eg. regularly ploughing fields, clearing land, deforestation
 * Succession**