CONTENTS 



Preface Page 



Editor's Prei8ld# e»oaoooeoesaoo«ooooa«* 1 



Xn1jl*OQUO bXOn aooeoooooooooooooooooae* 2- 



Ao The principle of a rational exploitation of the 



sea eooeoooooooooooooooooeo* b 



Bo The progress of fishing during the period 1903-40 

 and the possibility of a future rational exploit- 

 ation of the most important fishing areas o o • o • 10 



Z North Seao ooooeoeoooooooooo»» 10 



lo The progress of the bottom-fish fishery. • • 10 

 a* Fishing intensity© oooooooo»«olO 



Do IjandingS ooooeoooooooooo* 14 



aa o liaudOOJC eoooooooooooo* 10 



DD o Cod. ooooooo oo.o ooo ooo 20 



CO o xJlaiCeo oooooooooooovo 22 



duo oOieo o o o o o o o o o o o o o • «24 

 eco Non^marke table fish oooas.00 25 

 2. Conclusion of the reyiew of the progress of 



fishing in the North Sea oeoeeeoooo27 

 3o Svumnary of methods for the protection of 



luidersized fisho ooaeaooc<ea«o*89 

 a© Regulations suggested to prevent the 



catching of undersized fisho <> o • . . • 39 

 aao Enlarging the mesh widtho • • « • • 39 

 bb. Special devices to promote the 



escape of undersized fish a <> o . • 45 

 CCb Special fishing methods whereby 

 undersized fish received less 

 damage 000000000*00000 4o 

 ddo Closing of grounds where young 



fish are present for trawling o o e 47 

 bo The possibility of throwing under- 

 sized fish back alive© ooooeoooo48 

 Co Rules for the determination of the 



mimimum sizeoooooooooooooo 49 

 4o Projected measures to minimize the catch 



of non^marke table fish in the North Sea© o o 51 

 a« Motivation of the proposed plans » o o o 51 



aao Haddock ooeooooaoooooo 51 

 DDo l^XaiCeo oooeooeeooeooo 63 

 COo SOleo oooooooeooooooe 75 



ddo Turbot and Thornbacko ooooooo 80 

 eeo Flounder© oooooooooooooSO 



1 1 O Cod 0000000900000000 30 

 gg» Whiting OOOODOOOOOOOOOQI 



hho Tongschar, Scharretong, Witje ooo 81 



X i o nfi OKo o o o o o o e o o o o o e • ^81 



