Ecological succession, a fundamental concept in ecology, refers to moThe trajectory of ecological change can be influenced by site conditions, by the interactions of the species present, and by more stochastic  factors such as availability of colonists or seeds, or weather conditions at the time of disturbancere or less predictable and orderly changes in the composition or structure of an ecologiccal community.

Pionner spieces:The first spieces livung in an area.You notice that the blooming of fireweed has attracted animals such as insects and an occasional insect-eating bird.

pioneer community:The first community living in an area.Its is the prout of a douglas fir tree.


climax community:It is the final stage of succession.This community will stay largely unchanged unless some major event occurs.