Glossary of Ecology (6th ed.) by Krebs (2009)
- in population estimation, a population that is not changing in size during the interval of study, having no natality, mortality, immigration, or emigration.
"A Dictionary of Ecology, Evolution and Systematics (2nd ed.)" by Lincoln et al. (1998)
- In ecology, a population that does not undergo a change in size through births, deaths or movements during a specified period; a population with no input of genetic variation except that introduced by mutation; cf. open population.
- Krebs, C. J. 2009. Ecology, 6th ed. -xvi + 655 pp. Pearson Benjamin Cummings, San Francisco.
- Lincoln, R., Boxshall, G. & Clark, P. 1998. A Dictionary of Ecology, Evolution and Systematics. ix + 361 pp. Cambridge University Press, Cambridge.