Home > Terms > English, UK (UE) > All-purpose tool (APT)
All-purpose tool (APT)
A tool used in the performance of visual fish censuses. An APT is a T-shaped, meter-long reference device used by scientific divers for measuring habitat vertical relief, estimating fish lengths, and the location of the centre and outer edge of the sample cylinder. The shaft is a PVC t-stick marked at 10cm intervals with a 30cm cross-piece marked at 1cm intervals.
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- Part of Speech: noun
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- Industry/Domain: Natural environment
- Category: Coral reefs
- Organization: NOAA
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