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 (ē′kə-tōn′, ĕk′ə-)
A transitional zone between two communities containing species characteristic of each.

[eco- + Greek tonos, tension, tone; see tone.]
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.


(ˈiːkəˌtəʊn; ˈɛkə-)
(Environmental Science) the zone between two major ecological communities
[C20: from eco(logy) + -tone, from Greek tonos tension, tone]
ˈecoˌtonal adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈɛk əˌtoʊn, ˈi kə-)

the transition zone between two different plant communities, as that between forest and prairie.
[1900–05; eco- + tone < Greek tónos tension]
ec`o•ton′al, adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.


a transitional area or zone between two different forms of vegetation, as between forest and plain. — ecotonal, adj.
See also: Environment
-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.
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References in periodicals archive ?
The European roe deer is an ecotonal species, typically thriving at the edge of woodlands or in glades within forests (Lovari et al.
The ecotonal nature of eastern ponderosa pine forests means their species compositions generally consist of both grassland and forest species (Johnsgard, 2001), creating communities that differ from those in interior western ponderosa pine forests.
hybridize metonymical linkages at the ecotonal intersection of existing
Esta area se emplaza en una zona ecotonal, de transicion pampeano-patagonica (Martinez y Martinez 2017; Paez et al.
No intuito de responder a seguinte questao: a flora da restinga do presente estudo, pertencente a zona ecotonal do Maranhao, possui maior afinidade pela flora do litoral amazonico (Para) ou do litoral nordestino setentrional (Piaui e Ceara)?
The original vegetation formation in the region was an ecotonal belt constituted by Atlantic Rain Forest (semi-deciduous forest) and Brazilian Savanna (Kronka et al.
A significant representation of tragulids with adaptations to ecotonal wet and swampy habitats indicates humid conditions in Dhok Bun Amir Khatoon, Northern Pakistan.