ecotone
Americannoun
noun
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A transitional zone between two ecological communities, as between a forest and grassland or a river and its estuary. An ecotone has its own characteristics in addition to sharing certain characteristics of the two communities.
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See also edge effect
Other Word Forms
Etymology
Origin of ecotone
1900–05; eco- + tone < Greek tónos tension
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The trail seems to transverse through an ecotone, a transitional zone between plant communities, switching between high desert and pine forest ecosystems.
From Los Angeles Times • May 13, 2025
“It’s the terrain where two different ecosystems meet. In an ecotone, the landscape will contain elements of the two different ecosystems. It’s like a natural borderlands.”
From "Aristotle and Dante Discover the Secrets of the Universe" by Benjamin Alire Saenz
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“Ari, do you know what an ecotone is?”
From "Aristotle and Dante Discover the Secrets of the Universe" by Benjamin Alire Saenz
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The ranges of T. ornata and T. carolina overlap in the broad belt of prairie-forest ecotone in the central United States.
From Natural History of the Ornate Box Turtle, Terrapene ornata ornata Agassiz by Legler, John M.
Most collections are from the forest-savanna ecotone, 8 kilometers southwest of town.
From A Distributional Study of the Amphibians of the Isthmus of Tehuantepec, Mexico by Duellman, William E.
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.