Fisheries and populations

IB Biology: Fisheries and populations

In this activty students look at the advantages and the limitations of the three methods of estimating fish populations, echo-location, capture-mark-release-recapture and study research about the cod stocks of tha Baltic sea and two theories about algal blooms, one top down theory and another bottom up.A "bell activity" for the student or a question that will be answered during the lesson.Look at the slides which outline...

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