Fig. 4
From: Potential detection of illegal fishing by passive acoustic telemetry

Number of illegal fishing vessel sightings and number of tags ceasing to be detected in the BIOT MPA by month, March to December 2014
From: Potential detection of illegal fishing by passive acoustic telemetry
Number of illegal fishing vessel sightings and number of tags ceasing to be detected in the BIOT MPA by month, March to December 2014