quadrat

/ˈkwɑdræt/
noun
  1. A small, usually square area marked out for scientific study, especially in ecology or archaeology, to count or observe plants, animals, or artifacts.
    • Using a quadrat helps researchers get accurate data about plant populations.
    • Each quadrat was carefully measured and photographed before digging began.
    • The biologist placed a quadrat on the forest floor to count the number of fern species.
Synonyms
What does "quadrat" mean? | whatsthatwordmean | whatsthatwordmean