Antarctic krill (Euphausia superba) are fished during the winter months as fishing grounds further south toward the Antarctic continent become icebound.
2
But the open season is in any case very short, and the western straits are sometimes icebound during the entire year.
3
The frosts are severe, the Danube being often icebound for three months.
4
The harbour is good, but generally icebound from December to May.