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Book Tuna Longline Fishery and Fishing Grounds

Download or read book Tuna Longline Fishery and Fishing Grounds written by Hiroshi Nakamura and published by . This book was released on 1954 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Tuna Longline Fishery and Fishing Grounds Classic Reprint

Download or read book Tuna Longline Fishery and Fishing Grounds Classic Reprint written by Hiroshi Nakamura and published by Forgotten Books. This book was released on 2017-11-21 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Tuna Longline Fishery and Fishing Grounds On the one hand it was forced to accept restrictions which can only be called mortal in the form of an iron chain of limitations upon its fishing areas, and on the other hand it lost a large number of fishing vessels and the excellent advanced bases in Okinawa, Formosa, the Ogas awara Islands, and the mandated South Sea islands. With even the materials necessary for fishing difficult to obtain, the problems faced by this fishery were certainly not easy ones. When we look at the course taken by this fishery from the end of the war to the present day, we see that despite the many difficulties and obstacles mentioned above the tonnage of its fishing vessels has already in a comparatively short period recovered to a level close to that of before the war. This fact demonstrates the unstinted efforts of the people engaged in this fishery, efforts which are truly worthy of admiration. However, considering this situation cold 1y, we must also admit that the rapid tempo of recovery in this fishery reflects the confusion in Japanese fisheries circles after the war and the fact that this fishery became the object of investment as a measure to relieve the depression in other industries. Consequently, it can hardly be said that this fishery has undergone a substantially healthy recovery. In fact, it has a character which can hardly be considered under the heading of rapid progress. Now, 4 years after the war, the tuna industry cannot be said to be as promising as was hoped at the beginning of its new start, but it appears rather to be fraught with many problems and hardships. The cause of these problems and hardships is probably the same as that of the hardships which beset the Japanese fishing industry as a whole, that is the restriction on fishing grounds. In part too it should probably be considered due to the overall abnormality of the Japanese fisheries in recent years caused by so-called oceanographic abnormalities. Because the waters opened to Japan's fisheries are largely those off her Pacific coast, a good deal of objectivity can probably be detected in the fact that the tuna fishery has been temporarily in the spotlight and has come in for a great deal of attention. When we come to the question of how much of a scientific nature there was in the manner in which this attention was given to the fishery, we cannot unfortunately give any answer. The sad fact is that we have hard ly any scientific knowledge which could have been considered in connection With this fishery. Expressed concretely, what we mean by knowledge of a scientific nature would be such things as how many vessels should be permitted to operate in the waters allowed to na, in view of the size of the resources, and how much they could be expected to produce. With regard to such ques tions, is there not at present almost no one who could give an accurate analysis? About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

Book Historical Trends of Tuna Catches in the World

Download or read book Historical Trends of Tuna Catches in the World written by Makoto Miyake and published by Food & Agriculture Org.. This book was released on 2004 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt: The total world catch of the major commercial tuna species (albacore, bigeye, bluefin, skipjack and yellowfin) has increased during the last 50 years (from 0.4 to 3.9 million tonnes), but the pattern of increase has varied among species, oceans and fishing gears. The Pacific Ocean has been the predominant region in the world catch, with catches from the Indian Ocean having exceeded those from the Atlantic Ocean in recent years. This publication examines historical trends in the catches of these tuna species and considers the causes of the variations.

Book Fishery Management Plan for Atlantic Tunas Swordfish and Sharks

Download or read book Fishery Management Plan for Atlantic Tunas Swordfish and Sharks written by and published by . This book was released on 1999 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Seasonal Distribution of Tunas and Billfishes in the Atlantic

Download or read book Seasonal Distribution of Tunas and Billfishes in the Atlantic written by John P. Wise and published by . This book was released on 1973 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: Charts of the Atlantic Ocean for each quarter of the year--January-March, etc.--show the distribution of 10 species and groups of species fished by the Japanese Atlantic longline fishery in the years 1956-68. These charts are based on detailed catch and fishing effort data published by the Japanese Government. Quarterly average catch per unit of effort was calculated for each 5° x 5° square, and contour lines were drawn through equal levels of catch per unit of effort. The text explains the calculation and contouring processes in detail, and has a section of remarks and explanation for each of the 10 species or groups.

Book Special Scientific Report

Download or read book Special Scientific Report written by and published by . This book was released on 1952 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Longline Fishing for Deep swimming Tunas in the Central Pacific January June 1952

Download or read book Longline Fishing for Deep swimming Tunas in the Central Pacific January June 1952 written by Garth I. Murphy and published by . This book was released on 1953 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the second interim report on deep-swimming tuna resources. The first report was made in 1953 by Garth I. Murphy and R.S. Shomura.

Book The Tunas and Their Fisheries

Download or read book The Tunas and Their Fisheries written by Hiroshi Nakamura and published by . This book was released on 1952 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Exploratory Tuna Fishing in the Marshall Islands

Download or read book Exploratory Tuna Fishing in the Marshall Islands written by Wilvan G. Van Campen and published by . This book was released on 1951 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt: