Estimating Population Size

Journal Entry What types of populations does random sampling work well with? What types of populations does random sampling work well with? What are the drawbacks of using random sampling? What are the drawbacks of using random sampling? How would you sample a mobile population? How would you sample a mobile population?

How do we monitor moving populations? Look at the following video – Look at the following video – Wildebeest Migration Wildebeest Migration

Random Sampling

Mark and Recapture Common way of estimating population size Common way of estimating population size

Why is it important to estimate the populations of sharks and black bears?

Ocearch - tracking shark movement Ocearch - tracking shark movement Ocearch - tracking shark movement Ocearch - tracking shark movement –This site tracks shark movement by tagging sharks –Over the summer Mary Lee was at one point less than ¼ mile from the shore

History of Black Bear Sightings in New Jersey