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Capture–mark–release–recapture

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Capture–mark–release–recapture, and the Lincoln index can be used to estimate population size for mobile organisms.

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  1. Consider the challenges involved in counting a population of ants. Propose how it could be done.

[4 September 2015]

[4 September 2015]

Using the Lincoln Index to estimating population size

Bean Population Simulation

Prepare the data collection spreadsheet

  1. Create a new Google Sheet (type sheet.new in the omnibox).

  2. 6 columns

    1. Student
    2. M (First Capture)
    3. N (Second Capture)
    4. R (Marked Recaptured)
    5. Estimated Population
    6. % Error

  3. Enough rows for all the students in your group, plus an extra row for ‘Group Mean?.

  4. Create the spreadsheet.

  5. Add your spreadsheet to this page.

Materials Needed:

  1. Collect the materials needed.