An Analysis Of The Biological And Catch Statistics Of The Japanese Mothership Salmon Fishery PDF Download
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Author | : Francis Masateru Fukuhara |
Publisher | : |
Total Pages | : 680 |
Release | : 1971 |
Genre | : Fisheries |
ISBN | : |
Download An Analysis of the Biological and Catch Statistics of the Japanese Mothership Salmon Fishery Book in PDF, ePub and Kindle
Author | : R. A. Fredin |
Publisher | : |
Total Pages | : 344 |
Release | : 1977 |
Genre | : Pacific salmon |
ISBN | : |
Download Pacific Salmon and the High Seas Salmon Fisheries of Japan Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 160 |
Release | : 1977 |
Genre | : |
ISBN | : |
Download High Seas Salmon Fisheries of Japan, PMP Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 310 |
Release | : 1978 |
Genre | : |
ISBN | : |
Download High Seas Fisheries, North Pacific, Renegotiation Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 562 |
Release | : |
Genre | : Fisheries |
ISBN | : |
Download Fishery Bulletin Book in PDF, ePub and Kindle
Author | : Cornelis Groot |
Publisher | : UBC Press |
Total Pages | : 602 |
Release | : 1991 |
Genre | : Nature |
ISBN | : 9780774803595 |
Download Pacific Salmon Life Histories Book in PDF, ePub and Kindle
Pacific salmon are an important biological and economic resource of countries of the North Pacific rim. They are also a unique group of fish possessing unusually complex life histories. There are seven species of Pacific salmon, five occurring on both the North American and Asian continents (sockeye, pink, chum, chinook, and coho) and two (masu and amago) only in Asia. The life cycle of the Pacific salmon begins in the autumn when the adult female deposits eggs that are fertilized in gravel beds in rivers or lakes. The young emerge from the gravel the following spring and will either migrate immediately to salt water or spend one or more years in a river or lake before migrating. Migrations in the ocean are extensive during the feeding and growing phase, covering thousands of kilometres. After one or more years the maturing adults find their way back to their home river, returning to their ancestral breeding grounds to spawn. They die after spawning and the eggs in the gravel signify a new cycle. Upon this theme Pacific salmon have developed many variations, both between as well as within species. Pacific Salmon Life Histories provides detailed descriptions of the different life phases through which each of the seven species passes. Each chapter is written by a scientist who has spent years studying and observing a particular species of salmon. Some of the topics covered are geographic distribution, transplants, freshwater life, ocean life, development, growth, feeding, diet, migration, and spawning behaviour. The text is richly supplemented by numerous maps, illustrations, colour plates, and tables and there is a detailed general index, as well as a useful geographical index.
Author | : |
Publisher | : |
Total Pages | : 1232 |
Release | : 1994 |
Genre | : Environmental law |
ISBN | : |
Download The Marine Mammal Commission Compendium of Selected Treaties, International Agreements, and Other Relevant Documents on Marine Resources, Wildlife, and the Environment Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 1236 |
Release | : 1994 |
Genre | : Environmental law |
ISBN | : |
Download The Marine Mammal Commission Compendium of Selected Treaties, International Agreements, and Other Relevant Documents on Marine Resources, Wildlife, and the Environment: Marine pollution (continued) Book in PDF, ePub and Kindle
Author | : United States. Congress. Senate. Committee on Foreign Relations |
Publisher | : |
Total Pages | : 16 |
Release | : 1978 |
Genre | : Fishery law and legislation |
ISBN | : |
Download Protocol Amending the International Convention for the High Seas Fisheries of the North Pacific Ocean Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 154 |
Release | : 1987 |
Genre | : |
ISBN | : |
Download Incidental Take of Dall Porpoise by the Japanese Salmon Fishery Inside the US Exclusive Economic Zone, 1981 Permit D,F,Fapp; 1987 Permit Renewal Book in PDF, ePub and Kindle