| Term | AKA | Definition |
|---|---|---|
| Quadrat | Sampling area, most commonly one square meter, used for analyzing vegetation. A square or rectangular plot of land marked off for the study of plants and animals. | |
| Quaternary | Refers to the geologic period of the last 2,000,000 years and includes the Pleistocene and Holocene (last 10,000 years) epochs |