Which type of forest are these?

A

B

C

DE

Forest types, disturbance, succession

9/19/11

How are forests classified?

• Evergreen or Deciduous• Coniferous or Broad-leafed• Dry or Wet• Tropical, Temperate or Boreal

What is a forest biome?

• Many similar ecosystems throughout the world. – Individual population community Ecosystem Biome

What is an ecosystem?

• The nonliving (abiotic) and living (biotic) components of an environment working together.

http://www.explorelearning.com/index.cfm?method=cResource.dspView&ResourceID=639

What is an ecological disturbance?

• an event that results in a sustained disruption of an ecosystem's structure and function.

What are examples of disturbances to forest ecosystems?

• Logging• Urbanization• Agriculture• Overpopulation of a single species/hunting– i.e. the deer population

• Invasive species• Fire• Flood

What is succession? • “more-or-less predictable and orderly changes

in the composition or structure of an ecological community.”

What is primary succession?

• Succession on an area that has never been occupied by a community.

What is secondary succession?

• Succession on an area which had its community removed (by disturbance).