To measure the population of lake trout in a 250 hectare lake, 200 individuals were netted and marked with a fin clip, and then returned to the lake. The next week, the lake is netted again, and out of the 200 lake trout that are caught, 50 have fin clips. Using the capture-recapture estimate, the lake trout population size could be closest to which of the following?

Question

Quizplus · Accepted Answer

The capture-recapture method estimates population size using the formula: (number of marked individuals in first capture * total number of second capture) / number of marked recaptures. Here, (200 * 200) / 50 = 800.

To Measure the Population of Lake Trout in a 250