quadrat
/ˈkwɒdrət/noun
1- Ecology each of a number of a small areas of habitat, typically of one square metre, selected at random to act as samples for assessing the local distribution of plants or animals【生态】样方。
1.1
- a portable frame, typically with an internal grid, used to mark out such an area样方架。
词源
early 20th cent.: variant of QUADRATE.