B2 2.6 Measuring the distribution of organisms

  • Created by: jkav
  • Created on: 17-04-14 11:50

Quantitative data can be used to describe how physical factors might be affecting the distribution of organisms in a particular habitat. Quantitative data can be obtained by:

  • random quantitative sampling using a quadrat
  • sampling along a transect.

A quadrat is a square frame made of metal or wood which may be subdivided into a grid. If several quadrats are placed randomly in a field the investigator can count the number of a particular type of plant or animal in each quadrat. This…


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