Edited: Shelby D. Gerking text London Blackwell Scientific Publiations 1978 en vii, 520 p.: ill.; 24 cm. + index PRODUCTION -- ECOLOGY -- FISH -- FRESHWATER 639.21/ECO 210519 20210519133536 INLIS000000000003104 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)