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For the purpose of carrying out its flood defence functions the appropriate agency shall from time to time carry out surveys of the areas in relation to which it carries out those functions.
In the exercise of the powers conferred by the following provisions of this Part and the other flood defence provisions of this Act due regard shall be had to the interests of fisheries, including sea fisheries.
Nothing in the following provisions of this Part or the other flood defence provisions of this Act shall prejudice or affect the provisions of Part V of this Act or the Salmon and Freshwater Fisheries Act 1975 or any right, power or duty conferred or imposed by that Part or that Act.