succession notes

succession notes - RESTORATION AND RECOVERY Ecological...

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RESTORATION AND RECOVERY Ecological succession -process of establishing or reestablishing an ecosystem (pattern of change in species of ecosystem over time) Primary succession - initial establishment on previously unoccupied site. Exposed sandbars, newly formed islands Volcanic ash, newly cooled lava Newly formed sand dune Surface mined area where topsoil was removed Sunken ships Secondary succession - on previously occupied sites that are disturbed previous community contributes to recolonization Abandoned farms, pastures Areas that have been logged After hurricanes, floods, or tornadoes Pioneer species (early successional species) Microbes, mosses and lichen in primary succession Rapidly growing, short lived, widely and rapidly dispersed (wind) Do well in full sun Grasses, asters, broom sedge, (“weeds” or annuals) Late successional species tend to be persistent and long-lived. ***Animal species also change during succession!
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This note was uploaded on 08/04/2008 for the course ENST 048 taught by Professor Gray during the Fall '04 term at UNC.

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succession notes - RESTORATION AND RECOVERY Ecological...

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