15. Young rainbow trout were sampled along a river to study the population and determine if...

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Biology

15. Young rainbow trout were sampled along a river to study thepopulation and determine if recreational fishing or other factorsmight be affecting the size of the population. A. In the first yearof the study, researchers estimated the size of the population.They performed the first stage of their analysis after breedingseason had ended. The first week, 92 trout were captured andmarked. In a second round of capture one week later, 108 trout werecaptured; of these, 12 were marked. Estimate the size of thepopulation based on these data. Round your anwer to the nearestwhole number. 15B. In the second year of the study, researchersestimated the per capita population growth rate at -0.15. Based onthis value, what is the size of the population in the second yearof the study? Round your answer to the nearest whole number. 15C.Identify two factors that could have caused the population tochange in this way, and briefly explain how each factor couldresult in this change in 1-2 sentences (each).

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3.6 Ratings (504 Votes)

A we can estimate size of population using following formula marked recaptures total in second samplemarked initiallytotal population size 12108 92 total population size Total population size 92x 10812 828 B we can calculate population size based on See Answer

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