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Author: J. A. Gulland
Publisher:
ISBN:
Category : Nature
Languages : en
Pages : 248
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Book Description
Describes the scientific techniques used in assessing fish stocks, evaluating the effect of fishing on these stocks, and the probable impact of different policies for developing and managing fisheries. Covers the techniques developed starting with simple models and continuing to more complex methods.
Author: J. A. Gulland
Publisher:
ISBN:
Category : Nature
Languages : en
Pages : 248
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Book Description
Describes the scientific techniques used in assessing fish stocks, evaluating the effect of fishing on these stocks, and the probable impact of different policies for developing and managing fisheries. Covers the techniques developed starting with simple models and continuing to more complex methods.
Author: Emygdio L. Cadima
Publisher: Food & Agriculture Org.
ISBN: 9789251045053
Category : Business & Economics
Languages : en
Pages : 188
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Book Description
This manual examines mathematical models applied in fish stock assessment, including models and variation rates; cohort models and analyses; stock fishing patterns, components, stock-recruitment relations, short- and long-term stock projections; fisheries resources management with regards to biological reference points and regulation measures; production models; estimation of parameters; and exercises.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: Daniel D. Hoggarth
Publisher: Food & Agriculture Org.
ISBN: 9789251055038
Category : Business & Economics
Languages : en
Pages : 284
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Book Description
This publication contains guidelines for fish stock assessment and fishery management using the software tools and other outputs developed by the UK Department for International Development's Fisheries Management Science Programme (FMSP) from 1992 to 2004. It includes a CD-ROM with the installation files for each of the four FMSP software tools: LFDA (Length Frequency Data Analysis), CEDA (Catch Effort Data Analysis), YIELD and ParFish (Participatory Fisheries Stock Assessment).
Author: Daniel Pauly
Publisher: Food & Agriculture Org.
ISBN: 9789251013335
Category : Pets
Languages : en
Pages : 72
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Book Description
This selection of methods is based on lecture notes used at a FAO/DANIDA training course held in Mombasa, Kenya, in May-June 1980. The methods presented are: regression and correlation, estimation of growth parameters from length-frequency data, estimation of mortalities (total, natural, fishing mortality) and analysis of catch and effort data. A brief annotated bibliography of tropical fish stock assessment is included.
Author: Daniel Pauly
Publisher: WorldFish
ISBN: 9711022044
Category : Fish populations
Languages : en
Pages : 289
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Book Description
Author: Hans Lassen
Publisher: Food & Agriculture Org.
ISBN: 9789251045336
Category : Fish populations
Languages : en
Pages : 144
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Book Description
Virtual population analysis (VPA) is a widely used model for the analysis of fished populations. While there are many VPA techniques, they vary in the way they use data and fit the model rather than in the form of the model itself. This manual describes the common VPA model and the assumptions on which it is based, together with descriptions of associated diagnostic procedures and common reference points
Author: Per Sparre
Publisher: Food & Agriculture Org.
ISBN: 9789251045268
Category : Business & Economics
Languages : en
Pages : 190
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Book Description
This manual deals with the practical implementation of a routine data collection programme. The data collection programme is developed through a top-down approach, from the identification of the objectives down to the practical recording and management of data obtained from the fishery. The issues are dealth with both through detailed discussion and by using simple examples. The examples are mostly based on situations in tropical fisheries, and in particular, experience has been drawn from developing a data collection programme in Viet Nam. The main questions addressed i n the manual are which fisheries data to collect, where and when to collect them. Only data from commercial marine capture fisheries are considered. The methodologies used are mainly appropriate for a tropical, developing county, with many small (artisanal) vessels and a few large (industrial) vessels. The methodology is the "sample-based approach". The data collection methodology presented attempts to utilize whatever information can be obtained in practice in a developing country.
Author: Terrance J. Quinn
Publisher: Oxford University Press, USA
ISBN: 0195076311
Category : Fish populations
Languages : en
Pages : 561
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Book Description
The fields of fish population dynamics and stock assessment have seen major advances in the 1980s and 1990s, creating the need for a new synthesis. This text attempts that synthesis by presenting a contemporary approach for quantitative fisheries science that incorporates modern statistical and mathematical techniques. It emphasizes the link between biology and theory by explaining the assumptions inherent in the quantitative methods and models. The book covers key topics that are often overlooked in other texts, such as optimal harvesting, migratory stocks, and complex age and size-structured models. Quantitative Fish Dynamics is an ideal textbook for graduate and undergraduate courses in fish population dynamics and stock assessment. It is an indispensable reference work for fisheries scientists and others interested in conservation biology, fish and wildlife management, population ecology, and statistical applications.
Author: F. C. Gayanilo
Publisher: Food & Agriculture Org.
ISBN: 9789251040478
Category : Fish stock assessment
Languages : en
Pages : 280
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Book Description
