Van Oosten, John (continued) 



1939. A coiranon concern- . -Great Lakes fisheries for anglers 

 and fishers. Mich. Game Trails, Vol. 1, No. 5, 

 pp. 1-2. 



A plea for greater interest and assistance from sports- 

 men and the general public to put an end to the inadequate and 

 divided control responsible for the depletion of Great Lakes 

 fisheries (illustrated by selected examples of decline of 

 production from earlier "normals"). 



1939. Save the Great Lakes fisheries! Outdoor Am., Vol. h, 

 No. 3, pp. U-5 and 7. 



A call for public support of attempts to obtain im- 

 mediately discretionary power for conservation departments, 

 and ultimately international control of the Great Lakes fish- 

 eries. Such moves were held to offer the only means to ob- 

 tain the drastic measures needed to save the fisheries. 



1939. Battle rages over closing Potagannissing Bay to commer- 

 cial fishermen, Mich, Game Trails, Vol. 1, No, 3, 

 pp. 19-20. 



Review and sujnmary of 1939 report by Westerman and Van 

 Oosten on the Potagannissing Bay problem. 



1939. The age, growth, sexrual maturity,, and sex ratio of the 

 common whitefish, Coregonus clupeaformis (Mitchill) , 

 of Lake Huron. Pap. Mich. Acad, Sci., Arts, and Lett., 

 Vol. 2a, Pt, 2, (1938), pp. 195-221. 



General life-history study of whitefish from Alpena, 

 Michigan, area of Lake Huron including data on age composition 

 (III-XII represented, IV-VII most plentiful), size distribution, 

 growth rate, length-weight relationship and condition, sex ratio 

 (about 50:^0 but males scarce at higher ages), and maturity 

 (size limit of 22 inches necessary to give immature females 

 full protection) . 



1939. Can the Great Lakes fisheries be saved? Am. midlife. 

 Vol. 28, No. 3, pp, 129-135. 



Alarming account of the commercial extinction of valuable 

 species in past years and of the current rapid depletion of 

 still others, followed by a review of the failure of all attempts 



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