question archive You want to estimate the population size of a blue tongue lizards in a residential precinct using a Peterson's estimate
You want to estimate the population size of a blue tongue lizards in a residential precinct using a Peterson's estimate
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You want to estimate the population size of a blue tongue lizards in a residential precinct using a Peterson's estimate. Using traps, you capture, tag and release 12 lizards during your first sampling period. In your second sampling period you capture six (6) lizards, two (2) of which are marked.
What is your estimate of the population of blue tongue lizards in the park?
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The Lincoln-Peterson method/Peterson-Lincoln is the capture-mark-recapture method of estimating the closed population of a given area of land over a given period of time.
Step-by-step explanation
The formula for finding estimated population using this method is; N=(M x C)/R
Where N = estimated Number of individuals in the population
M = number of members captured, Marked and released
C=total number Captured the second time (with and without a mark)
R= number of individuals Recaptured (those with a mark)
M=12
C=6
R=2
N=?
N=(M x C)/R
=(12 x 6)/2
=36 Lizards in the park.
