1. The introduction of steam trawlers able to work more distant grounds independent of wind and tide.
2. Industry moved to Grimsby and Hull, nearer to the coalfields and large city markets of the north.
3. Unrestricted over-fishing of the southern North Sea with no attempt made to control it by national law or international treaty to meet the need for cheap protein.
(Photograph…last few sail trawlers tied up in Gorleston and Yarmouth)