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Reconstruction of Marine Fisheries Catches for Key Countries and Regions (1950-2005)

Editors

Publication

Fisheries Centre Research Reports, Vol. 15 No. 2 Pages: 163pp
2007 | FCRR 15(2)

Edited by Dirk Zeller and Daniel Pauly.

DIRECTOR'S FOREWORD

When, in 1998, I published a short paper providing "[A] rationale for reconstructing catch time series", I thought that the proposed concepts and methodology would need to be applied only to countries and regions (e.g., the Caribbean) not well covered in the global FAO database of fisheries landings.

Now, 10 years later, a rather different view of global fisheries statistics has emerged:

  • IUU (i.e., Illegal, Unreported and Unregulated) fisheries catches, which are now perceived to be quite large, have moved to the centre stage in the consciousness of fisheries managers worldwide, and get regular coverage in the international media;
  • Catch reconstructions performed for various countries throughout the world, many under the guidance of Dr. Dirk Zeller, this report's senior editor, show that the statistics supplied to FAO by many countries, large and small, underestimate their likely true catch (i.e., reported landings + IUU) by a factor of 2 or more.

    While the illegal catches of industrial fisheries (which probably contribute most of the 'I' in IUU) are rather difficult to document, the mostly unreported catches of small-scale fisheries can be inferred from fisher number, and/or fish consumption data. Hence, catch reconstructions tend to boost catches from the small-scale sector, which is particularly neglected in the global FAO data set.

    The neglect of small-scale fisheries has a strong effect on fisheries policy. Many countries, especially in the developing world, pay little attention to their small-scale fisheries, in the mistaken belief that they contribute little to their national economy and food security. Hence, these countries fail to devote resources to the study of these fisheries, and hence their catches remain un- or substantially under-reported to FAO, where they indeed appear to contribute little, thus perpetuating the problem.

    The only way to get out of this vicious circle is to actually reconstruct national catches from independent data if possible, or by complementing the FAO data. This report presents both types of reconstructions. Also, two contributions are presented which disaggregate the catches of the ex-USSR and ex-Yugoslavia such that the republics that emerged from the dissolution of these multi-ethnic states are treated as if they had always existed (at least since 1950, when FAO's global statistical fisheries system began). This will enable one to treat, e.g., Russia, or Croatia, as any fisheries nations, i.e., building on fisheries catch data going back several decades, and allowing for analysis of long-term trends.

    It may be useful to stress again that reconstructions of the sort presented here do not claim to provide 'true catches'. 'Truth' must remain elusive. But the catches presented in this report certainly represent an improvement over the present situation, and could thus be considered to move towards the 'likely true' catch levels. And often, this is all we can hope for: to improve on things.

Daniel Pauly,
Director, Fisheries Centre

TABLE OF CONTENTS

DIRECTOR’S FOREWORD 1
Canada's arctic marine fish catches 3

Shawn Booth and Paul Watts  
Marine fish catches in North Siberia (Russia, FAO Area 18) 17
  Daniel Pauly and Wilf Swartz  
National conflict and fisheries: Reconstructing marine fisheries catches for Mozambique 35
  Jennifer L. Jacquet and Dirk Zeller  
Putting the 'United' in the United Republic of Tanzania: Reconstructing marine fisheries catches 49
  Jennifer L. Jacquet and Dirk Zeller  
Reconstructing catches of marine commercial fisheries for Brazil 61
  Kátia M. F. Freire and Thiago L. S. Oliveira  
A Reconstruction of Colombia's marine fisheries catches 69
  Jeffrey Wielgus, Dalila Caicedo-Herrera and Dirk Zeller  
Fisheries catch statistics for Mexico 81
  Francisco Arreguín-Sánchez and Enrique Arcos-Huitrón  
Reconstructed catches in the Mauritanian EEZ 105
  Didier Gascuel, Dirk Zeller, Mahfoud O. Taleb Sidi and Daniel Pauly  
Reconstruction of Greek marine fisheries landings: National versus FAO statistics 121
  Athanassios Tsikliras, Dimitrios Moutopoulos and Konstantinos Stergiou  
Multivariate analysis of fisheries catch per day in Greek waters 139
  Konstantinos Stergiou, Athanasios Machias, Stylianos Somarakis and Argyris Kapantagakis  
Country disaggregation of catches of former Yugoslavia 149
  Yvette Rizzo and Dirk Zeller  
Country disaggregation of catches of the former Soviet Union (USSR) 157
  Dirk Zeller and Yvette Rizzo  

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