(3) Apart from the case of North Adriatic Sea (FA17), in the other FAs the landings of demersal species are constrained by their level of primary productivity as (Figure 12B – PP);
」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」＜第２章　物質の構成粒子＞（教p19-）