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Fisheries and Oceans Canada conducts annual trawl surveys for American lobster and rock crab populations around the Magdalen Islands. The survey, running since 1995, covers up to 48 stations each September, with data on cephalothorax length, sex, shell stage, and crab counts. The dataset comprises four linked files containing station information, individual lobster measurements, crab counts, and crab measurements.
License is Canada Open Government License; data is raw and unverified. Requires joining four separate files using date, st, and tr columns for full analysis. The bat column indicates boat code, which may affect gear deployment consistency.