WOLFRAM|DEMONSTRATIONS PROJECT

Mark-Recapture Investigation

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forest dimensions
100
search method
random
transect
population density
0.1
search effort
0.25
model violation
0.1
Mark Recapture Results
inital captures
217.
secondary captures
226.
recaptures
51.
estimated population
951±196
actual population
1000.
error percentage
-4.9
This Demonstration investigates the effectiveness of simple mark-recapture on a mobile population distributed over a regular grid at random using two popular search techniques. It also illustrates the importance of model assumptions in making reasonable population estimates.