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The successful establishment of a plant or animal species in a habitat.

[From Greek oikēsis, inhabitation, from oikein, to dwell, from oikos, house; see weik- in Indo-European roots.]


(Botany) the establishment of a plant in a new environment
[C20: from Greek oikēsis a dwelling in, from oikein to inhabit; related to oikos a house]


(ɪˈsi sɪs)

the establishment of an immigrant plant in a new environment.
[1900–05; < Greek oíkēsis act of inhabiting]
e•ce′sic, adj.


the transplanting of a plant to a new environment.
See also: Environment, Plants
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.ecesis - (ecology) the process by which a plant or animal becomes established in a new habitat
bionomics, environmental science, ecology - the branch of biology concerned with the relations between organisms and their environment
natural action, natural process, action, activity - a process existing in or produced by nature (rather than by the intent of human beings); "the action of natural forces"; "volcanic activity"
References in periodicals archive ?
A deeply known moraine system (see for details [21]) characterises the Forni Valley allowing us to precisely date the glacier advancing phases since the Little Ice Age [34, 35] and to reconstruct the progressive glacier retreat and the following tree colonisation (ecesis) [8].
pitcheri does not propagate vegetatively, it must rely on ecesis to ensure population persistence (Hamze and Jolls, 2000).
A second example is the invisibility of GLBTQ people in the wake of Hurricane Katrina, an unprecedented storm and infrastructure collapse which occurred just days before the annual queer festival in New Orleans, "Southern Decadence," a celebration that drew 125,000 revelers in 2003 (ecesis.factor).