Table 3 Cosine values comparing AIS8 and effort datasets13, by year, length category, longitude, and latitude.

From: A database of mapped global fishing activity 1950–2017

Lat

Lon

Year

Length_Category

0.105

0.192

2016

6–12 m

0.129

0.195

2017

6–12 m

0.335

0.407

2016

12–24 m

0.357

0.420

2017

12–24 m

0.654

0.589

2016

24–50 m

0.684

0.598

2017

24–50 m

0.645

0.477

2016

Over 50 m

0.677

0.499

2017

Over 50 m