Research by the International Seafarers' Welfare and Assistance Network (ISWAN) found that 54% of seafarers report increased workload and 44% report higher stress levels.
A number of people abandoned the vessels after the crash in the North Sea, with the RNLI sending rescue boats from Bridlington and several seaside towns in Lincolnshire.
A freight ship has sunk off the coast of Turkey’s Black Sea province of Bartin and two crew members have been found dead at sea, the local governor was cited as saying by state media on Sunday.
In the early hours of Thursday morning, the Turkish freighter Paksoy 1 collided with the cargo ship EEMS Cobalt off the coast of Eemshaven, the Netherlands.