Figure 6.3: Examples of global distribution of pressures on (a) threat intensity (H: high; L: low; M: medium; VH: very high; VL: very low) from terrestrial invasive alien species and (b) cumulative fisheries by-catch intensity for seabirds, sea mammals and sea turtles, by all gear types (gillnet, longline and trawl)
Threat VL L M H VH
By-catch intensity low high
Sources (a) Early et al. 2016 (b) Lewison et al. (2014).