MAXIMUM STRENGTH 



fiasfiiji 1914. 'Id 

 RESPITE 



''igure 1.— 



3 2 1 



TIME IN YEARS 



fishi;,rinLt""^f° "'' °' *"' "'^ "'"^ " *^« "-'^ ^- "^- 



the 



Curve I shows with which amount the fish stock increases each year bv 



Lit cTr^r??'"? '"^ °'.''^ ''^' ^'^^'^ °" --« II- ^r- right to "^ 



i? a; Z7Z In llT °* ^'^^" *^" ^^^^ ^ ^°°^ ^^''^"'^^ ^r°- y-r to year 

 if an empty North Sea re-populates itself, F^rom left to right curve II 



nZ^TirJlZ: '' '"' "^^"%^' " ''- ''-' ^^°°^ '^ stefdily!inTeL\n, 



