Shark decline: decrease in

sharks caught

Charts show the “catch per unit effort” in the Queensland Shark Control Program, which uses nets and drumlines. Percentages show the overall decline from 1962 to 2017

Source: Roff et al. 2018

Shark decline: decrease in sharks caught

Charts show the “catch per unit effort” in the Queensland Shark Control Program, which uses nets and drumlines. Percentages show the overall decline from 1962 to 2017

Source: Roff et al. 2018

Shark decline: decrease in sharks caught

Charts show the “catch per unit effort” in the Queensland Shark Control Program, which uses nets and drumlines. Percentages show the overall decline from 1962 to 2017

Source: Roff et al. 2018

Shark decline: decrease in the number of sharks caught

Charts show the “catch per unit effort” in the Queensland Shark Control Program, which uses nets and drumlines. Percentages show the overall decline from 1962 to 2017

Source: Roff et al. 2018