Preface P9.g« 



bo The probable effect of the protections • « 82 

 So Conclusions and snjimmary of the proposed 



regulations for the North Sea «»oo85 



6» The progress of fishing the herring stocko o o 89 

 II» Distant Fishing Gro-undse eo© .ooSS 



X* Xcelando ••ococcoeeooo*oo«oo '^^ 



ao Progress of the fi>shingo .ooooooooSE 

 bo Regulations e oaoo<>»oaoo«o«(>o 94 

 2o Northeast Atlantic Areao oooeo»«eeoo94 

 a* Progress of fishingo .»«.oo..oo»94 

 bo Regulations o aoi>oooooi>ooeooo96 



XXXo SUH Hilary© •oeeeooooeoooeoeoooo«'f 



References Cited. • 



ooeoeaeo 



98 



ILLUSTRATIONS 



FIGURE Page 



le Relation between the size of the fish stock in the 



North Sea and the "fishing intensity j>oeooeeee 8 

 2a a* Size and value of the total annual catch of 



bottom fish in the North Sea oaooooooee 16 

 b« Total annual catch of various bottom fish from 



the North Sea in kilograms oaoeoooooeo 17 

 3» Catch-per-day's absence of English steam and sail 



trawlers. «ooooeo90o«ooo»a»o*»«e SO 

 4* A section of curve 1, figure leeoeeooeee*oooe 32 



5« Selection curves with nets of eod ends of various 

 meshes and species determined under various 



conditions© ©©o©eo«a©ooo©o©oooooo 41 



6o Graphic picture of the results of tests made by 



Davis •©•o©eeasoessoo©oo©©eeo« 44 



7e Relative strength of the different year classes of 



the haddock in the North Sea oooo 53 



80 Distribution of the 1, 2, and 3°year-old haddock in 



the North Sea aoee«ooooeoo»oaooo»a 30 



9« Relative strength of the various year classes of 



plaice o*oo©©©©oeeooeooo©o©©o©© o4c 



lOo Distribution of plaice of various sizes in the 



North Sea •••©oeoeeoeoaeasoeoooo 70 



11» Distribution of plaice of various sizes during 



various seasons in the Heligoland Bight ©a©©©©© 71 



