Saila, S.B.2010-02-152010-02-151983http://hdl.handle.net/1969.3/2225362 p.A review of the magnitude of the discarded catches from the major fisheries is made. Wide seasonal, geographic and gear- related variations were found in the discarded catch. Some simple field survey procedures for discard estimation are suggested. The probable biological consequences of discards are assessed on the basis of available information and suggestion for further studies are made. Some specific sampling and estimation methods applicable to the discard problem are suggested and some examples are provided.catch compositioncatch statisticsfisheriescommercial fishingfisheriesBook