Determining Optimal Fisheries Harvest Policies Microform How Much Does Uncertainty Matter
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Determining Optimal Fisheries Harvest Policies microform how Much Does Uncertainty Matter
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Author | : Shane W. (Shane William) Frederick |
Publsiher | : National Library of Canada = Bibliothèque nationale du Canada |
Total Pages | : 112 |
Release | : 1993 |
Genre | : Fish populations |
ISBN | : 0315911751 |
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Risk Evaluation and Biological Reference Points for Fisheries Management
Author | : National Research Council Canada,Canada. Department of Fisheries and Oceans |
Publsiher | : NRC Research Press |
Total Pages | : 456 |
Release | : 1993 |
Genre | : Nature |
ISBN | : 0660149567 |
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Papers presented: 1) Reference points for fisheries management: the western Canadian experience; 2) Reference points for fisheries management: the eastern Canadian experience; 3) Reference points for fisheries management: the ICES experience; 4) Spawning stock biomass per recruit in fisheries management: foundation and current use; 5) The development of a management procedure for the South African anchovy resource; 6) How much spawning per recruit is enough?; 7) The behaviour of Flow, Fmed and Fhigh in response to variation in parameters used for their estimation; 8) The Barents Sea capelin stock collapse: a lesson to learn; 9) Variance estimates for fisheries assessment: their importance and how best to evaluate them; 10) Evaluating the accuracy of projected catch estimates from sequential population analysis and trawl survey abundance estimates; 11) Bootstrap estimates of ADAPT parameters, their projection in risk analysis and their retrospective patterns; 12) Analytical estimates of reliability for the projected yield from commercial fisheries; 13) Risk evaluation of the 10% harvest rate procedure for capelin in NAFO Division 3L; 14) Using jackknife and Monte Carlo simulation techniques to evaluate forecast models for Atlantic salmon; 15) Monte Carlo evaluation of risks for biological reference points used in New Zealand fishery assessments; 16) A comparison of event free risk analysis to Ricker spawner-recruit simulation: an example with Atlantic menhaden; 17) Choosing a management strategy for stock rebuilding when control is uncertain; 18) Risks and uncertainties in the management of a single-cohort squid fishery: the Falkland Islands Illex fishery as an example; 19) Risks of over- and under-fishing new resources; 20) Estimation of density-dependent natural mortality in British Columbia herring stocks through SSPA and its impact on sustainable harvesting strategies; 21) The comparative performance of production-model and ad hoc tuned VPA based feedback-control management procedures for the stock of Cape hake off the west coast of Africa; 22) A proposal for a threshold stock size and maximum fishing mortality rate; 23) Biological reference points for Canadian Atlantic gadoid stocks; 24) Stochastic locally-optimal harvesting; 25) ITQ based fisheries management; 26) Bioeconomic methods for determining TACs; 27) Management strategies: fixed or variable catch quotas; 28) Bioeconomic impacts of TAC adjustment strategies: a model applied to northern cod; 29) Experimental management programs for two rockfish stocks off British Columbia; 30)A brief overview of the experimental approach to reducing uncertainty in fisheries management; 31) Fisheries management organizations: a study of uncertainty.
Quantitative Fisheries Stock Assessment
Author | : R. Hilborn,C.J. Walters |
Publsiher | : Springer Science & Business Media |
Total Pages | : 575 |
Release | : 2013-12-01 |
Genre | : Science |
ISBN | : 9781461535980 |
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This book really began in 1980 with our first microcomputer, an Apple II +. The great value of the Apple II + was that we could take the computer programs we had been building on mainframe and mini-computers, and make them available to the many fisheries biologists who also had Apple II + 's. About 6 months after we got our first Apple, John Glaister came through Vancouver and saw what we were doing and realized that his agency (New South Wales State Fisheries) had the same equipment and could run the same programs. John organized a training course in Australia where we showed about 25 Australian fisheries biologists how to use microcomputers to do many standard fisheries analyses. In the process of organizing this and sub sequent courses we developed a series of lecture notes. Over the last 10 years these notes have evolved into the chapters of this book.
Fish Identification Tools for Biodiversity and Fisheries Assessments
Author | : Johanne Fischer |
Publsiher | : Food & Agriculture Organization of the UN (FAO) |
Total Pages | : 120 |
Release | : 2013 |
Genre | : Nature |
ISBN | : UCSD:31822038989125 |
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This review provides an appraisal of existing, state-of-the-art fish identification (ID) tools (including some in the initial stages of their development) and shows their potential for providing the right solution in different real-life situations. The ID tools reviewed are: Use of scientific experts (taxonomists) and folk local experts, taxonomic reference collections, image recognition systems, field guides based on dichotomous keys; interactive electronic keys (e.g. IPOFIS), morphometrics (e.g. IPez), scale and otolith morphology, genetic methods (Single nucleotide polymorphisms [SNPs] and Barcode [BOL]) and Hydroacoustics. The review is based on the results and recommendations of the workshop "Fish Identification Tools for Fishery Biodiversity and Fisheries Assessments," convened by FAO FishFinder and the University of Vigo and held in Vigo, Spain, from 11 to 13 October 2011. It is expected that it will help fisheries managers, environmental administrators and other end users to select the best available species identification tools for their purposes.--
Marine Fishes of Arctic Canada
Author | : Brian W. Coad,James D. Reist |
Publsiher | : University of Toronto Press |
Total Pages | : 633 |
Release | : 2018-01-01 |
Genre | : Nature |
ISBN | : 9781442647107 |
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Marine Fishes of Arctic Canada is an accessible and up-to-date study on the diverse marine fish population existing in Canadian waters.
Rice fish Culture in China
Author | : Kenneth Tod MacKay |
Publsiher | : IDRC |
Total Pages | : 277 |
Release | : 1995 |
Genre | : Agricultural systems |
ISBN | : 9780889367760 |
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Rice-Fish Culture in China
A Century of Maritime Science
Author | : Jennifer Hubbard,David Wildish,Robert Stephenson |
Publsiher | : University of Toronto Press |
Total Pages | : 486 |
Release | : 2016-01-01 |
Genre | : History |
ISBN | : 9781442648586 |
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A Century of Maritime Science reviews the fisheries, environmental, oceanographic, and aquaculture research conducted over the last hundred years at St. Andrews from the perspective of the participating scientists.
Environmental Effects of Marine Finfish Aquaculture
Author | : Barry Hargrave |
Publsiher | : Springer Science & Business Media |
Total Pages | : 494 |
Release | : 2005-08-24 |
Genre | : Medical |
ISBN | : 354025269X |
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Environmental risks associated with large-scale marine finfish cage aquaculture cast doubt on the sustainability of the industry. This book divides the topic into its broad parts: Eutrophication; Sedimentation and Benthic Impacts; Changes in Trophic Structure and Function; and Managing Environmental Risks, and goes further to analyze methods and models currently used to measure near and far-field environmental effects of finfish mariculture and and their implications for management.