RAPFISH, A RAPID APPRAISAL TECHNIQUE FOR FISHERIES, AND ITS APPLICATION TO THE CODE OF CONDUCT FOR RESPONSIBLE FISHERIES


 

 

 

 

 

 

Table of Contents


FAO Fisheries Circular No.947
FOOD AND AGRICULTURE ORGANIZATION OF THE UNITED NATIONS

by
Tony J. PITCHER
Fisheries Centre
University of British Columbia
Vancouver
Canada

FOOD AND AGRICULTURE ORGANIZATION OF THE UNITED NATIONS
Rome, 1999

The designations employed and the presentation of material in this publication do not imply the expression of any opinion whatsoever on the part of the Food and Agriculture Organization of the United Nations concerning the legal status of any country territory city or area or of its authorities or concerning the delimitation of its frontiers or boundaries.

ISSN 0429-9329

All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying or otherwise, without the prior permission of the copyright owner. Applications for such permission with a statement of the purpose and extent of the reproduction, should be addressed to the Director, Publications Division. Food and Agriculture Organization of the United Nations. Via delle Terme di Caracalla, 00100 Rome, Italy.

FAO 1999

This electronic document has been scanned using optical character recognition (OCR) software and careful manual recorrection. Even if the quality of digitalisation is high, the FAO declines all responsibility for any discrepancies that may exist between the present document and its original printed version.


Table of Contents


PREPARATION OF THIS DOCUMENT
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Introduction
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Methods and the Philosophy of Rapfish
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Rapfish scope: definition and scope of attributes
Rapfish scope: definition of fisheries Ordination method for Rapfish
Estimating loading of attributes on the Rapfish ordination axes
Clustering the ordination
Principles of Rapfish
Summary of Rapfish Procedure
Published Rapfish Analyses

Validation of the Rapfish technique using simulated fishery data
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Testing monotonicity
Simulated trajectories
Superimposing one Rapfish plot on another
Conclusions

Leverage of individual attributes on Rapfish ordinations
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Representing the results of Rapfish ordinations
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Examples of ways of presenting Rapfish results
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Rapfish and the Code of Conduct for Responsible Fisheries
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Scoring overall compliance with the aims of the Code of Conduct Extraction of attributes under Article 7

Example of a Rapfish analysis from Canadian fisheries
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Data for the fisheries evaluated
Results and discussion: ordination plots

Conclusions
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Acknowledgements
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References
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Annex
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Table 1. Attributes used in Rapfish analyses
Table 2. Summary and notes on Code of Conduct Article 7 clauses
Table 3. Evaluation fields and draft questions for Rapfish evaluation of Code of Conduct
Table 4. Sources of information for Canadian fisheries
Table 5. Draft scores for Canadian fisheries in Rapfish evaluations
Table 6. Draft scores for Canadian fisheries in a Code of Conduct Rapfish evaluation
Table 7. Results of Rapfish ordinations on Canadian fisheries