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quadrat
quad·rat Q0007100 (kwŏd′rət, -răt′)n.1. Printing A piece of type metal lower than the raised typeface, used for filling spaces and blank lines. Also called quad2.2. Any of a group of small, usually rectangular plots of land used for sampling the occurrence of species or of archaeological artifacts.
[Middle English, a square geometric instrument, rectangular area; see quadrate.]quadrat (ˈkwɒdrət) n1. (Botany) ecology an area of vegetation, often one square metre, marked out for study of the plants in the surrounding area2. (Environmental Science) the frame used to mark out such an area[C14 (meaning "a square"): variant of quadrate]quad•rat (ˈkwɒd rət)
n. 1. quad 2 (def. 1). 2. a square or rectangular plot of land marked off for the study of plants and animals. [1675–85; variant of quadrate] quadrata plot of land, square or rectangular, marked off or set out for the study of plant or animal life.See also: Animals
EncyclopediaSeequadratequadrat
quadrat (kwŏd′rət, -răt′)n. Any of a group of small, usually rectangular plots of land used for sampling the occurrence of species or of archaeological artifacts.quadrat an area of ground surface, often 1 m2, used as a sampling unit in population studies. |