Distribution, Relative Abundance, and Movement of Skipjack Tuna, Katsuwonus
Language: English
Published by Forgotten Books, 2018
- Softcover
- New
Seller: Forgotten Books, London, United KingdomForgotten Books
AbeBooks seller since June 2, 2021
Condition: New
£ 13.39
Quantity: Over 20 available
Add to basketItem description from seller
Print on Demand. This book examines the distribution, abundance, and movement of skipjack tuna in the Pacific Ocean. Through data collected between 1964-1967 from Japanese tuna longline catches, the author analyzes the relative abundance of skipjack tuna across the vast expanse of the ocean, providing insights into their behavior and migration patterns. The author discovered that skipjack tuna tend to concentrate around the east-central equatorial Pacific, and that their movements follow the circulation patterns of the major ocean currents: counterclockwise in the Southern Hemisphere and clockwise in the Northern Hemisphere, except for the counterclockwise flow in the Eastern Pacific. Surrounding these patterns are smaller, localized movements specific to each population group. The book contributes to our understanding of skipjack tuna population dynamics, which has implications for the sustainability and management of this crucial species within the global ecosystem. By tracing their migratory routes, the author sheds light on the potential connectivity between different populations and their resilience to environmental changes. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book.…
Seller Inventory # 9781334309366_0
- Title
- Distribution, Relative Abundance, and Movement of Skipjack Tuna, Katsuwonus
- Author
- Walter M. Matsumoto
- Publisher
- Forgotten Books
- Publication year
- 2018
- Condition
- New
- Book Type
- print-on-demand item
- Binding
- Paperback
- Language
- English
- ISBN 10
- 1334309361
- ISBN 13
- 9781334309366
- Seller catalogs
- Geography
Certain characteristics of the longline gear affect the catch and catch data. And these should be cited so that conclusions drawn from the data are viewed in the proper perspective. First, the catches of skipjack tuna by this gear are extremely small. In the years 1962-66, for example, the catch of skipjack tuna in the Japanese commercial tuna longline fishery averaged metric tons per year, as compared with an average of metric tons caught by the pole-and-line fishery. The smallness of the catch reflects the inefficiency of the gear for taking this species, but, because of the wide areal coverage by this gear, these data should be useful for determining areas of high or low relative abundance.
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.
"Synopsis" may belong to another edition of this title.
Forgotten Books
London, United Kingdom
AbeBooks seller since June 2, 2021
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Forgotten Books’ Classic Reprint Series utilizes the latest technology to regenerate facsimiles of historically important writings. Careful attention has been made to accurately preserve the original format of each page whilst digitally enhancing the quality of the aged text.
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FB &c Ltd
Dalton House, 60 Windsor Avenue
London, United Kingdom SW19 2RR
Forgotten Books publishes hundreds of thousands of rare and classic books.
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.
This text has been digitally restored from a historical edition. Some errors may persist, however we consider it worth publishing due to the work's historical value.
The digital edition of all books may be viewed before purchase if you request a sample.
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