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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 ?
The ECESIS system will provide objective feedback and scoring of student progress, and includes a Web reporting interface using SQL Server(TM) Reporting Services that will be accessible to parents, teachers and school administrators.
Photographic records and field studies indicate that the ecesis interval in Garibaldi Park is generally less than 20 years, but in some situations can be as long as 70 years (Koch, unpublished data).