Biology
Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Chapter 56, Problem 1CQ
Summary Introduction

To estimate: The effect of 20% error on the estimation of the population size of largemouth bass by mark-recapture

Introduction: The mark-recapture technique involves the capturing of the individuals of a population and marking them with identification tags. Then, these individuals are released and allowed to freely mix with the population. After some time, a recapture and sampling of the marked and unmarked individuals can help us to estimate the population sizes.

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You are contracted by the City of Ottawa to estimate the size of the population of small mouth bass in Dow's Lake. Using nets, you capture, mark, and release 48 bass. You return to Dow's Lake two weeks later and use the same techniques to sample more bass. This time, you capture 39 bass, 18 of which you had previously captured (marked ones). What is the estimated size of the population of small mouth bass in Dow's Lake? Round your answer to the closest whole value. You can round up or down if your answer is exactly between two values (i.e. 0.5).
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