carrying capacity

symbol: $K$
https://doi.org/10.1351/goldbook.14514
Maximum population size expressed as total number of individuals, biomass, or population density that a given unit of habitat is capable of sustaining.
Source:
PAC, 2009, 81, 829. (Glossary of terms used in ecotoxicology (IUPAC Recommendations 2009)) on page 855 [Terms] [Paper]