Elements of ecology (1954) Elements of ecology elementsofecolog00clar Year: 1954 I Fig. Contrasting distribuiton of cod, Gadiis callarias (upper figure) and red- fish, Sebastes nmrinus {lower figure) as indicated by the catch of the New Eng- land commercial fishery in 1936. Each dot indicates a catch of 25,000 kg; broken line indicates 90 m contour. (Ackerman, 1941, Copyright, Univ. of Chicago Press.)

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