Progress in Biological Inquiries, 1936: Appendix III to Report of Commissioner of Fisheries for the Fiscal Year 1937 (Classic Reprint) - Hardcover

Higgins, Elmer

Hardcover

ISBN 10: 0366310976 ISBN 13: 9780366310975

Publisher: Forgotten Books, 2018

Synopsis

Excerpt from Progress in Biological Inquiries, 1936: Appendix III to Report of Commissioner of Fisheries for the Fiscal Year 1937

Knowledge of the variations in natural reproduction, growth, move ments, and local concentrations of the haddock, mackerel, squeteague, and other fishes on the Atlantic and Gulf coasts permits prediction of annual yields of some species to promote orderly and efficient market ing of the catch, directs the way to better utilization Of the fish supply through avoiding the waste of immature and unmarketable fish, and demonstrates the necessity of protecting the breeding and nursery grounds Of migratory coastal fishes by unified State action throughout the range of the fishery.

A knowledge Of the reproduction, growth, and natural requirements Of the oyster recently obtained has laid the foundation for a great expansion of oyster farming in our coastal waters that may be relied upon to restore production of this valuable' food product to its former high levels when economic conditions permit.

In interior waters, studies of stream pollution have made perma nent contribution to the restoration of recreational resources. Through this work an understanding of the effects of domestic sewage, industrial wastes, and other pollutants on aquatic life has been ao quired. Future efforts toward the purification of streams and the restoration of angling waters may therefore proceed along intelligently directed lines.

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Edition details

• Publisher: Forgotten Books
• Publication date: 2018
• Language: English
• ISBN 10: 0366310976
• ISBN 13: 9780366310975
• Binding: Hardcover
• Number of pages: 71