Traductions & exemples
expand_more In fact, it's thought that some of these are as much as 3,000 years old, which is one reason that bottom trawling should not be allowed.
It is not sufficient simply to reduce discards, as bottom-trawling in deep water has a relatively high impact on by-catch and discard species.
Deposits on the bottoms of lakes and artificial reservoirs also store poisonous substances.
As for demersal fish, the biomass has been reduced by 75% on the Mauritanian continental shelf since 2007.