A quadrat can be used by researchers to methodically count organisms within a smaller, representative area in order to extrapolate to a larger habitat when comprehensive sampling is …

“Quadrat.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/quadrat. Accessed 14 Dec. 2025.

Definition of 'quadrat' quadrat in British English (ˈkwɒdrət ) noun 1. ecology

quadrat a plot of land, square or rectangular, marked off or set out for the study of plant or animal life.

There are four meanings listed in OED's entry for the noun quadrat, two of which are labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

Quadrat definition: A piece of type metal lower than the raised typeface, used for filling spaces and blank lines.

A quadrat is a frame, traditionally square, used in ecology, geography and biology to isolate a standard unit of area for study of the distribution of an item over a large area.

Once the quadrat is assembled, cut two ~10 foot long pieces of fishing line per quadrat. Leaving a few inches of fishing line free, wind the line a few times around the PVC pipe near one of the …

The study defines populations as the number of individuals in a given species in a 10,000-square-kilometer unit of habitat, known as a quadrat. From New York Times

A quadrat is a square or rectangular plot used in ecological research to isolate a standard unit of area for study of the distribution of an item over a large area. It helps scientists assess the …