overall support has fallen since but it is not possible to assess the long term trend as the database does not contain data for germany prior to at present new fishing vessels can still only be put into service if at the same time old vessels of at least the same tonnage gt and engine power kw are removed from the fleet modernisation measures for existing fishing vessels that lead to increased tonnage or engine power are also only authorised if corresponding old capacities are withdrawn this ensures that the fishing capacity of the fleet does not grow