population density

initialism: PD
https://doi.org/10.1351/goldbook.14935
Number of individuals divided by area (\(\pu{m-2}\)) or volume (\(\pu{m-3}\)).
Source:
PAC, 2009, 81, 829. (Glossary of terms used in ecotoxicology (IUPAC Recommendations 2009)) on page 929 [Terms] [Paper]