Commercial fishing methods / Sainsbury John C.

Public ISBD Faire une suggestion d'achat Titre : Commercial fishing methods : an introduction to vessels and gears Type de document : texte imprimé Auteurs : Sainsbury John C., Auteur Mention d'édition : 2e éd. Editeur : Fishing news books ltd Importance : 207 p. Format : 21 cm. ISBN/ISSN/EAN : 978-0-85238-142-7 Langues : Français (fre) Index. décimale : 639 Chasse et pêche commerciales, protection de la faune et la flore Résumé : The first edition of this book provided an introduction to the important commercial fishing methods of the world, and the vessels and gear used. This new edition reflects the changes that have evolved in commercial fisheries in recent years. This book was first published In 1971, based on text material used in the training of commercial fishermen at the University of Rhode Island in the United States. It was prepared to provide an introduction to the important commercial fishing methods of the world, together wim the vessels and gear used. Since that time marked changes have occurred in the climate surrounding the world's commercial fisheries: extended jurisdiction has closed many traditional fishing grounds to fleets of large freezer trawlers from major fishing nations, management of fisheries resources and fishing operations is becoming increasingly involved, fuel economy is often of critical importance to the economic viability of fishing operations. As a result, fishing operations are in a period of change; in most cases vessels efficient at working their country's extended economic zone are considerably smaller than the foreign vessels formerly fishing the same grounds; fuel intensive methods such as trawling are giving way to static gear, the operation of which requires considerably less power and fuel; vessel search time for fishable concentrations is being reduced by attracting sea life tp artificial reefs and floating devices; increased attention is being given to the use of aids such as sails to reduce fuel consumption. . These changes are reflected in the content of this revised edition; increased coverage is ~iven to the less fuel intensive methods and many new sketches and phctographs have been included in order to illustrate operations and equipment now in use. Every effort has been made to include only proven methods and techniques which are in regular use, and to avoid experfmeniaf or unproven operations and equipment. Commercial fishing methods : an introduction to vessels and gears [texte imprimé] / Sainsbury John C., Auteur  . -  2e éd. . - Fishing news books ltd, [s.d.] . - 207 p. ; 21 cm. ISBN : 978-0-85238-142-7 Langues : Français (fre) Index. décimale : 639 Chasse et pêche commerciales, protection de la faune et la flore Résumé : The first edition of this book provided an introduction to the important commercial fishing methods of the world, and the vessels and gear used. This new edition reflects the changes that have evolved in commercial fisheries in recent years. This book was first published In 1971, based on text material used in the training of commercial fishermen at the University of Rhode Island in the United States. It was prepared to provide an introduction to the important commercial fishing methods of the world, together wim the vessels and gear used. Since that time marked changes have occurred in the climate surrounding the world's commercial fisheries: extended jurisdiction has closed many traditional fishing grounds to fleets of large freezer trawlers from major fishing nations, management of fisheries resources and fishing operations is becoming increasingly involved, fuel economy is often of critical importance to the economic viability of fishing operations. As a result, fishing operations are in a period of change; in most cases vessels efficient at working their country's extended economic zone are considerably smaller than the foreign vessels formerly fishing the same grounds; fuel intensive methods such as trawling are giving way to static gear, the operation of which requires considerably less power and fuel; vessel search time for fishable concentrations is being reduced by attracting sea life tp artificial reefs and floating devices; increased attention is being given to the use of aids such as sails to reduce fuel consumption. . These changes are reflected in the content of this revised edition; increased coverage is ~iven to the less fuel intensive methods and many new sketches and phctographs have been included in order to illustrate operations and equipment now in use. Every effort has been made to include only proven methods and techniques which are in regular use, and to avoid experfmeniaf or unproven operations and equipment.

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Cote	Rayonnage		Support	Disponibilité
639.2 SAJ		13	Consultation	Exclu du prêt

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