The successful establishment of a plant or animal species in a habitat.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "ecesis" in a sentence
"Invasion is the complete or complex process of which migration, ecesis"
"They restrict or prevent ecesis either by the destruction of invaders or by placing them at a disadvantage with respect to the occupants."
"Invasion into a new area or a plant community begins with migration when this is followed by ecesis."