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Quadrat

From Biology-Online Dictionary | Biology-Online Dictionary
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Definition

noun

A square or rectangular plot of land used to mark off at random a physical area to isolate a sample and determine the percentage of vegetation and animals occurring within the marked area.


Supplement

A quadrat is a tool used in ecology for sampling purposes. For instance, a quadrat is placed on ground at random to count the vegetation within the sample.


Word origin: Middle English, a square geometric instrument, rectangular area.