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Factors Affecting Pond Fish Production
Edward Schneberger
Minna Ernestine Jewell
其他書名
Report of Experiments Conducted by the Zoology Department of the Kansas State Agricultural College at the Kansas State Fish Hatchery
出版
Kansas State Print. Plant
, 1928
URL
http://books.google.com.hk/books?id=PpgmAQAAMAAJ&hl=&source=gbs_api
註釋
"The following study was undertaken at the suggestion of Mr. J.B. Doze, state fish and game warden, in charge of the State Fish Hatchery at Pratt, Kan. The State Hatchery at Pratt consists of 112 ponds, varying in size from one-fifth acre to one and one-half acres, and supplied by water from the South Ninnescah river. During the past years it has been noted that some of these ponds have consistently a much higher fish productivity per acre than others. In order to operate the hatchery at its highest efficiency, Mr. Doze desired to ascertain the reason for this high productivity of some ponds and low productivity of others, with a view to changing conditions so as to render all ponds like those now producing the most fish"--Page 5
