One fish, two fish – Using mark-recapture to estimate population size

Have you ever reeled in a fish and seen a strange tag sticking off it? Chances are, that fish was part of a mark-recapture study. Capture-mark-recapture techniques (called “mark-recapture” for short) are used by fisheries biologists and managers to answer the question, “How many fish are there?” One of the biggest challenges in fisheries management … Continue reading One fish, two fish – Using mark-recapture to estimate population size