TY - BOOK AU - Alabaster,John S. TI - Habitat modification and freshwater fisheries: proceedings of a symposium of the European Inland Fisheries Advisory Commission SN - 0407004181 : U1 - 639.31 23 PY - 1985/// CY - London, Boston PB - Published by arrangement with the Food and Agriculture Organization of the United Nations by Butterworths KW - Freshwater fishes KW - Effect of habitat modification on KW - Congresses N1 - Includes bibliographies and index ER -