00387 a2200133 4500020001500000082002000015100002100035245004600056260004300102300001900145650002500164650003400189650003000223 a0852382502 a333.956152bMAN aCowx, I.G. eed. aManagement and ecology of river fisheries aOxfordbFishing News Booksc2000g2000 axi,444p.c25cm aFisheries Congresses aFishery management Congresses aStream ecology Congresses