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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.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(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]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ɪˈsi sɪs)

the establishment of an immigrant plant in a new environment.
[1900–05; < Greek oíkēsis act of inhabiting]
e•ce′sic, adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.


the transplanting of a plant to a new environment.
See also: Environment, Plants
-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.
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"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
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).