Different transect methods. Students carrying out a survey of the plants in a grassy area by combining two different transect methods. The quadrat tra
Different transect methods. Students carrying out a survey of the plants in a grassy area by combining two different transect methods. The quadrat transect (square grid) is being used at intervals along a line transect (straight line). The student at left is counting the number of plants in a particular grid location, and the student at right is recording the results. The use of such transects, together with probability theory, allows entire populations of plants in a field to be estimated from a survey of a few small areas.
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Photo credit: © MARTYN F. CHILLMAID/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
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Keywords: 2, biological, biology, counting, duo, education, estimating, estimation, female, geographical, geography, grid, line, male, method, methods, pair, people, person, population, quadrat, recording, research, researching, school, science, student, survey, surveying, transect
