SUCCESSION A series of changes in a community

Primary Succession Begins in an area where there is no life EX. Bare rock and sandy beaches Begins in an area where there is no life EX. Bare rock and sandy beaches First organisms there need to be hardy organisms that can survive harsh conditions----- Pioneer species First organisms there need to be hardy organisms that can survive harsh conditions----- Pioneer species Pioneer species- lichens,bacteria, decomposers, moss Pioneer species- lichens,bacteria, decomposers, moss Grasses, shrubs, ferns replace these organisms which help increase soil fertility Grasses, shrubs, ferns replace these organisms which help increase soil fertility As plant life changes and develops the animal life does the same As plant life changes and develops the animal life does the same

Climax Community The final, stable stage in the development of a community The final, stable stage in the development of a community New England-Beech, Maple New England-Beech, Maple Southeast United States- Oak, Hickory Southeast United States- Oak, Hickory

Bare rock to climax community

Primary succession following the retreat of a glacier

Secondary Succession This succession that occurs when the dominant plants of a plant community are removed This succession that occurs when the dominant plants of a plant community are removed Fire, natural disaster, human interaction Fire, natural disaster, human interaction It occurs faster than primary succession mainly because you don’t have to start from scratch It occurs faster than primary succession mainly because you don’t have to start from scratch Succession in an area does not always lead to the same climax community each time Succession in an area does not always lead to the same climax community each time

Secondary Succession

POND SUCCESSION