ecotone n. an area where two ecologies meet or overlap. (source: Double-Tongued Dictionary)
ecotone n.— «In most places under natural conditions there seems to be an ecotone, a place of equal aggressiveness, betwen this formation and the Bouteloua formation.» —“A Study of the Vegetation of the Mesa Region East of Pike’s...
ecotone n.— «The Skagit Valley is hailed as a unique ecotone, an area of 1,000 year-old forests where two climatic zones overlap. As a result, plant and animal hybrids are common, all of which would be wiped out by the flooding...
ecotone n.— «An ecotone is a term from the field of ecology. It is a place where landscapes meet—like field with forest, or grassland with desert. The ecotone is an area of increased richness and diversity where the two communities...