Estimating Bycatch Mortality

1 Introduction Bycatch, the incidental fisheries capture of nontarget species, is the greatest threat facing marine mammals globally (Lewison et al. 2004; Davies et al. 2009; Lent and Squires 2017).

1 Introduction The declines in global biodiversity and increasing rate of species extinction now being observed are considered unprecedented (IPBES 2019). One of the primary drivers of this biodiversity crisis is food production, both on land and in the sea (UNEP 2022).