![ecotone ecotone](https://www.tekportal.net/wp-content/uploads/2019/02/ecotone-2094.jpg)
noun Ecology.
- the transition zone between two different plant communities, as that between forest and prairie.
noun
- the zone between two major ecological communities
- 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. See also edge effect.