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Otter Trawl Explorations in Philippine Waters

Description: A trawl fishery of considerable magnitude has developed in the Philippines since liberation from the Japanese in 1945. At the inception of the Philippines Fishery Program of the United States Fish and Wildlife Serve, the trawl fishery was using a Japanese beam trawl and was, for the most part, confined to Manila Bay. Realizing that the supply of fish badly needed by the Philippine public could be augmented by trawling, the program inaugurated exploratory fishing voyages to likely grounds and de… more
Date: 1950
Creator: Warfel, Herbert Elmer & Manacop, Porfirio R.
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Raccoons of North and Middle America

Description: Summary of the raccoons of North and middle America, including history, habits, economic status, pelage and molt, measurements, and subgenera.
Date: 1950
Creator: Goldman, Edward A.
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Some Biological Effects of Ditching Tidewater Marshes

Description: Just a century ago some 625,000 acres of salt, brackish, and freshwater marshes bordered the Atlantic coast from Maine to Virginia. As early as 1885, however, work was begun to reclaim for agriculture considerable acreages of the fresher tidal lands. This research was conducted to study the effects of marshland drainage on plants, wildlife and wildlife habitat.
Date: 1950
Creator: Bourn, Warren Scudder & Cottam, Clarence
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