demographic stochasticity

https://doi.org/10.1351/goldbook.14572
Variability in population growth rates arising from random differences among individuals in survival and reproduction within a season.
Note: Such variability is important only in populations that are fairly small.
Source:
PAC, 2009, 81, 829. (Glossary of terms used in ecotoxicology (IUPAC Recommendations 2009)) on page 865 [Terms] [Paper]