Question

In: Biology

In a mark and recapture study of butterflies, 22 butterflies are caught, marked with nail polish,...

In a mark and recapture study of butterflies, 22 butterflies are caught, marked with nail polish, and released. A week later the same habitat is searched and 16 butterflies are caught without marks and 10 are caught with marks. Using the Lincoln-Peterson Index, what is the population estimate? Group of answer choices: 57 352 76 35 48

Solutions

Expert Solution

Mark-recapture techniques: In this technique, individuals from a population are captured and marked, and then resampled. The generated data is used to estimate population size.

In the Petersen method, population size is calculated by using the formula:

                                                                        N = M * C/R

Where

N = the estimate of population size at the time of marking

M = the number of individuals marked in the first sample

C = the total number of individuals captured in the second sample

R = the number of individuals in the second sample that were previously marked.

So in question: M=22, C=16+10=26 and R=10

therefore N= (22*26)/10 = 57.2

so the right option is = 57


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