Does this new identification and tracking system mean the end of monitoring at national level?

No, nothing in the regulation V/19-1 of the 1974 SOLAS Convention or the provisions performance standards and functional requirements adopted by the IMO in relation to the long-range identification and tracking of ships shall prejudice the rights, jurisdiction or obligations of States under international law, in particular, the legal regimes of the high seas, the exclusive economic zone, the contiguous zone, the territorial seas or the straits used for international navigation and archipelagic sea lanes.