Read e-book online Advances in Fisheries Science: 50 years on from Beverton and PDF

By Andrew I. L. Payne, John Cotter, Ted Potter

ISBN-10: 1405170832

ISBN-13: 9781405170833

ISBN-10: 1444302655

ISBN-13: 9781444302653

This well timed ebook brings readers modern at the wide selection of advances made in fisheries technology because the booklet in 1957 of at the Dynamics of Exploited Fish Populations (Beverton and Holt), appeared by means of many fisheries scientists as essentially the most very important books on fisheries but published.

Traditional fishery matters coated contain ancient declines and adjustments in fishing fleets, fisheries administration and inventory exams, data-poor events, simulation and modelling of fished shares, fisheries economics, assessing reproductive capability and dispersal of larvae, fisheries for sharks and rays, and use of marine know-how. also, comparable topics of accelerating significance now that ecological methods to administration are coming to the fore are awarded. They contain benthic ecology, surroundings alterations associated with fishing, lifestyles historical past concept, the results of chemical substances on fish copy, and use of sounds within the sea by way of marine lifestyles. numerous chapters supply stimulating philosophical dialogue of the various debatable parts nonetheless existing.

This major e-book, edited through Andy Payne, John Cotter and Ted Potter and containing contributions by means of world-renowned fisheries scientists, together with many dependent at Cefas (where Beverton and Holt's unique paintings used to be conducted) is a necessary buy for fisheries managers and scientists, fish biologists, marine scientists and ecologists. Libraries in all universities and study institutions the place fisheries and organic sciences are studied and taught tend to desire copies of this landmark publication.

Chapter 1 100 and two decades of swap in Fishing energy of English North Sea Trawlers (pages 1–25): Georg H. Engelhard
Chapter 2 The Decline of the English and Welsh Fishing Fleet? (pages 26–48): Trevor Hutton, Simon Mardle and Alex N. Tidd
Chapter three After Beverton and Holt (pages 49–62): Joe Horwood
Chapter four Contributions of the Fishing to investigate via Partnerships (pages 63–84): Michael J. Armstrong, Andrew I. L. Payne and A. John R. Cotter
Chapter five figuring out and coping with Marine Fisheries because of a electronic Map (pages 85–103): Paul D. Eastwood, Geoff J. Meaden, Tom Nishida and Stuart I. Rogers
Chapter 6 coping with with out most sensible Predictions: The administration method evaluate Framework (pages 104–134): Jose A. A. De Oliveira, Laurence T. Kell, Andre E. Punt, Beatriz A. Roel and Doug S. Butterworth
Chapter 7 From Fish to Fisheries: The altering concentration of administration suggestion (pages 135–154): Stuart A. Reeves, Paul Marchal, Simon Mardle, Sean Pascoe, Raul Prellezo, Olivier Thebaud and Muriel Travers
Chapter eight The Contribution of technology to administration of the North Sea Cod (Gadus Morhua) and united kingdom Sea Bass (Dicentrarchus Labrax) Fisheries: do we do higher? (pages 155–183): Mike Pawson
Chapter nine administration of Elasmobranch Fisheries within the North Atlantic (pages 184–228): Jim R. Ellis, Maurice W. Clarke, Enric Cortes, Henk J. L. Heessen, Panayiota Apostolaki, John ok. Carlson and Dave W. Kulka
Chapter 10 Accumulation of latest wisdom and Advances in Fishery administration: Complementary tactics? (pages 229–254): Panayiota Apostolaki, Graham M. Pilling, Michael J. Armstrong, Julian D. Metcalfe and Rodney Forster
Chapter eleven New applied sciences for the development of Fisheries technological know-how (pages 255–279): Julian D. Metcalfe, David A. Righton, Ewan Hunter, Suzanna Neville and David ok. Mills
Chapter 12 review and administration of Data?Poor Fisheries (pages 280–305): Graham M. Pilling, Panayiota Apostolaki, Pierre Failler, Christos Floros, Philip A. huge, Beatriz Morales?Nin, Patricia Reglero, Konstantinos I. Stergiou and Athanassios C. Tsikliras
Chapter thirteen the significance of Reproductive Dynamics in Fish inventory tests (pages 306–324): Peter R. Witthames and C. Tara Marshall
Chapter 14 eighty Years of Multispecies Fisheries Modelling: major Advances and carrying on with demanding situations (pages 325–357): John ok. Pinnegar, Verena M. Trenkel and Julia L. Blanchard
Chapter 15 Benthic groups, Ecosystems and Fisheries (pages 358–398): Hubert L. Rees, Jim R. Ellis, Keith Hiscock, Sian E. Boyd and Michaela Schratzberger
Chapter sixteen Simulating the Marine atmosphere and its Use in Fisheries study (pages 399–417): Clive J. Fox and John N. Aldridge
Chapter 17 Overfishing impacts greater than Fish Populations: Trophic Cascades and Regime Shifts within the Black Sea (pages 418–433): Georgi M. Daskalov
Chapter 18 Beverton and Holt's Insights into lifestyles heritage concept: impact, program and destiny Use (pages 434–450): Simon Jennings and Nick ok. Dulvy
Chapter 19 The “Soundscape” of the ocean, Underwater Navigation, and Why we should always be Listening extra (pages 451–471): A. John R. Cotter
Chapter 20 Fish Vitellogenin as a organic impact Marker of Oestrogenic Endocrine Disruption within the Open Sea (pages 472–490): Alexander P. Scott and Craig D. Robinson
Chapter 21 In popularity of Inevitable Uncertainties: From Fisheries administration to handling Marine assets (pages 491–533): Piers Larcombe, David J. Morris and Carl M. O'brien

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Extra info for Advances in Fisheries Science: 50 years on from Beverton and Holt

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Probably because of both World Wars and the Depression, this was followed by a stagnation in fishing power of English steam trawlers fishing in the North Sea, which apparently lasted throughout the inter-war and immediate postWWII years, so that by about 1950, steam trawl fishing power may still have been close to what it was in 1930 (though there was significant change in fishing power in distant-water steam trawlers). Although the change from sail to steam was massive, the replacement of steam by motor otter trawlers in the 1950s and 1960s incurred a far more subtle change in fishing power.

This included the introduction of ducted propellers (which are surrounded by a ring or nozzle), resulting in an increase in pull at the same engine power and tow speed, reportedly of about 12–18% compared with an unducted propeller (de Boer, 1975; de Boer and de Veen, 1975). Tonnage and relative fishing power of Dutch beam trawlers and English motor trawlers in the southern North Sea from the 1960s to mid-1970s are compared in Figure 6. Fishing power was here calculated using the aggregate cpue for the entire division, so it does not account for rectangle effects as in earlier figures, and confidence limits could not be 12 Figure 6.

English otter trawlers have shown a dramatic reduction in hours fished in the North Sea, from 454 898 in 1982 to 90 676 in 2005. Owing to this and to the extremely low (and localized) cod abundance in recent years, matching commercial and survey cpue for cod became limited to only 4–7 rectangles from 1998 on, and estimates of cod fishing power from that year on may be unreliable. , 2004), so the relative fishing power in terms of EGFS units is often reasonably close to unity. Admittedly, commercial cpue only includes the landed, and reported, part of the catch, whereas the EGFS, with a small mesh covering the codend of the trawl, also includes small fish below the minimum landing size.

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Advances in Fisheries Science: 50 years on from Beverton and Holt by Andrew I. L. Payne, John Cotter, Ted Potter

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