a significant trendp < 0.01
The temporal development of crustaceans and cephalopods reflected the early 2000s shift with a general decrease in pelagic invertebrates (mainly cephalopods) and an increase in both benthic cephalopods and crustaceans (Figure 5 ), with a significant trend in the latter (sl = 0.004, both p < 0.01, Figure 5 ).