The Bureau of Commercial Fisheries Type IV Electro-fishing Shocker PDF Download
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Author: Benjamin G. Patten
Publisher:
ISBN:
Category : Electric fishing
Languages : en
Pages : 24
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Book Description
Author: Benjamin G. Patten
Publisher:
ISBN:
Category : Electric fishing
Languages : en
Pages : 24
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Book Description
Author: W. R. C. Beaumont
Publisher: John Wiley & Sons
ISBN: 1118935551
Category : Technology & Engineering
Languages : en
Pages : 192
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Book Description
Electricity in Fish Research and Management, 2nd Edition provides a comprehensive discussion of the uses of both electricity and electrical principles in fishery management and research. It covers electric fishing (including theory, equipment, data analysis and practical factors affecting efficiency), fish barriers, fish counters and fish welfare issues. The book concentrates on Electric Fishing (or Electrofishing); an internationally accepted and widely used procedure for sampling fish. Over the past 50 years electric fishing has become a standard method for fishery studies and management e.g. establishing population densities and abundance. However, due to the potential hazards of the method (both to operators and fish) there is a continuing need to develop and promote best practice guidelines. The author has studied fish ecology for 40 years and understands the need for information that reaches out to all levels of understanding in the field. Previous books on this subject have either been collections of scientific papers and/or technical reports or very simple instruction manuals. In this book theory and practice is explained using non-technical language and simple equations. It brings depth as well as breadth in both information and principles behind the methods and should be an invaluable tool to both fisheries managers and researchers. Although the book is aimed at undergraduates, the clear explanation of the factors means that the book is suitable for all levels of practitioners.
Author:
Publisher:
ISBN:
Category : Fisheries
Languages : en
Pages : 16
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Book Description
Author: Ian G. Cowx
Publisher: John Wiley & Sons
ISBN: 0470695277
Category : Technology & Engineering
Languages : en
Pages : 458
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Book Description
In this edited work, international experts in fisheries management and ecology review and appraise the status of river fisheries, assessment methodology, constraints on development, issues and options regarding management and associated problems in both temperate and tropical countries. Recommendations are made to improve management and an attempt is made to provide guidelines for formulating policy, for planning methodology and for evaluating future activities. Assessment of fish community structure and dynamics. Factors constraining stock recruitment. Fish habitat requirements. Instream flow needs. Impact of water resource schemes. Rehabilitation of river fisheries. Enhancement of fish stocks. Exploitation of stocks. Management of migratory fish stocks. Conservation of endangered species. Integrated river management. Bioeconomic issues. Legislation. Multinational management of rivers. Case studies.
Author: Frank B. A. Früngel
Publisher: Academic Press
ISBN: 1483274322
Category : Technology & Engineering
Languages : en
Pages : 635
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Book Description
High Speed Pulse Technology, Volume 1: Capacitor Discharges - Magnetohydrodynamics - X-Rays - Ultrasonics deals with the theoretical and engineering problems that arise in the capacitor discharge technique. This book discusses the characteristics of dielectric material, symmetrical switch tubes with mercury filling, and compensation conductor forms. The transformed discharge for highest current peaks, ignition transformer for internal combustion engines, and X-ray irradiation of subjects in mechanical motion are also elaborated. This text likewise covers the transformed capacitor discharge in welding engineering, application of strong magnetic shock fields in nuclear physics, and shock sound by underwater capacitor discharges. Other topics include the shaping metals by electrical explosion shock wave and electro-erosion machining of metals. This volume is recommended for electrical engineering and physics students.
Author: Frank B. A. Früngel
Publisher: Academic Press
ISBN: 1483274314
Category : Technology & Engineering
Languages : en
Pages : 494
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Book Description
High Speed Pulse Technology: Volume II: Optical Pulses - Lasers - Measuring Techniques focuses on the theoretical and engineering problems that result from the capacitor discharge technique. This book is organized into three main topics: light flash production from a capacitive energy storage; signal transmission and ranging systems by capacitor discharges and lasers; and impulse measuring technique. This text specifically discusses the air spark under atmospheric conditions, industrial equipment for laser flashing, and claims for light transmitting system. The application of light impulse signal transmission, impulse measurements by means of spark gaps, and conversion factors of various energy units are also described. This publication is recommended for eager electrical engineering and physics students interested in optical pulses, lasers, and measuring techniques.
Author: U.S. Fish and Wildlife Service
Publisher:
ISBN:
Category : Fisheries
Languages : en
Pages : 348
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Book Description
Author:
Publisher:
ISBN:
Category : Fish trade
Languages : en
Pages : 352
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Book Description
Author: Library of Congress
Publisher:
ISBN:
Category : Subject headings, Library of Congress
Languages : en
Pages : 1608
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Book Description
Author: Library of Congress. Cataloging Policy and Support Office
Publisher:
ISBN:
Category : Subject headings, Library of Congress
Languages : en
Pages : 1688
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Book Description
