Global community maturation

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  • according to Hottinger (2006):

GLOBAL COMMUNITY MATURATION (GCM) - gradual change in the composition of a community by evolutionary and coevolutionary processes in a global ecological realm such as a climatic belt around the globe and any one of its subdivisions, such as the photic zone within the tropical oceans. The time period governing a GCM unit is of geological dimensions. Disrupting geological events which produce the boundaries of the larger chronostratigraphic units in the geological time scale often truncate the GCM cycles.


Hottinger (2006), Illustrated glossary of terms used in foraminiferal research. Carnets de Géologie, Memoir 2, ISSN 1634-0744

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