Transgenerational Isotope Labelling
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TRAIL — Transgenerational Isotope Labelling, a stable isotope, e.g. barium, given to a female fish just before spawning so that the young fish have a chemical signature in their otoliths and can be tracked … Dictionary of ichthyology
trail — 1) a wooden spreader used at the leading end of the wing of a trawl or seine to keep the net spread vertically 2) abbreviation for Transgenerational Isotope Labelling … Dictionary of ichthyology