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Heather Welch Profile picture
Heather Welch
@Heather_M_Welch
Project scientist @ucsc and @NOAAFisheries developing tools to manage marine biodiversity and fisheries | @thetfordacademy, @whitmancollege and @jcu alum
Nov 2, 2022 • 7 tweets • 5 min read
Our new paper in @ScienceAdvances takes the first global view of location hiding in commercial fisheries. We find strong ties between location hiding and illegal activities #IUU, proving a new tool to police the wild west of our open oceans. 1/6
shorturl.at/jprDQ Image Our team analyzed nearly 4 billion AIS messages from 2017-19 to isolate intentional disabling (instances when a vessel purposely turned its AIS off) from gaps caused by technical issues like poor satellite reception. Access the dataset here: shorturl.at/dfjW8 2/6