Regional Reviews and National Management Reports - Fourth Workshop on the Assessment and Management of Shrimp and Groundfish Fisheries on the Brazil-Guianas Shelf

Table of Contents

FAO Fisheries Report No. 651

FIPP/R651

WESTERN CENTRAL ATLANTIC FISHERY COMMISSION

Cumaná, Venezuela, 2-13 October 2000

Emblem of FISHCODE

Emblem of CFRAMP (see FAO Fish Rep. 628)

Food and
Agriculture
Organization
of the
United
Nations

BRAZIL-GUIANAS SHELF

Cumaná, Venezuela, 2-13 October 2000

FOOD AND AGRICULTURE ORGANIZATION OF THE UNITED NATIONS
ROME, 2001

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PREPARATION OF THIS DOCUMENT

ABSTRACT

ABBREVIATIONS, SYMBOLS, SPECIES, ETC.

LIST OF SPECIES NAMES

PART A - REGIONAL REVIEWS

1. COMPARATIVE REGIONAL STOCK ASSESSMENT ANALYSIS OF THE SHRIMP RESOURCES FROM NORTHERN BRAZIL TO VENEZUELA by N.M. Ehrhardt

1.1. Comparative analysis of southern brown shrimp, P. subtilis

1.1.1. Abundance trends
1.1.2. Environmental factors and abundance

1.2. Comparative analysis of pink spotted shrimp, P. brasiliensis, abundance trends
1.3. Fishing mortality rate analyses
1.4. Conclusions

2. REGIONAL ASSESSMENT OF RED SNAPPER, LUTJANUS PURPUREUS by A. Charuau, K. Cochrane, D. Die, A. Lárez, L.A. Marcano, T. Phillips, S. Soomai, R. Souza, S. Wiggins and M. IJspol

2.1. Introduction
2.2. Fishery management

2.2.1. Biological Information
2.2.2. Fishing Operations
2.2.3. Stock Assessments

2.3. Recommendations

2.3.1. Enforcement And Control
2.3.2. Management Measures
2.3.3. Monitoring
2.3.4. Research and Data Collection

2.4. References

3. REGIONAL ASSESSMENT OF THE BRAZIL-GUIANAS GROUNDFISH FISHERIES by A. Booth, A. Charuau, K. Cochrane, D. Die, A. Hackett, A. Lárez, D. Maison, L.A. Marcano, T. Phillips, S. Soomai, R. Souza, S. Wiggins and M. IJspol

3.1. Introduction
3.2. Background to the Groundfish Fisheries in the Region

3.2.1. Fishing Operations

3.3. Fishery Management

3.3.1. Management Concerns
3.3.2. Current management measures
3.3.3. Data Available for Management

3.4. Resource Status
3.5. The Road Ahead
3.6. Monitoring, Enforcement and Control
3.7. Future Research and Data Collection
3.8. Proposed New Management Measures
3.9. References

4. REVIEW OF ENVIRONMENTAL CONSIDERATIONS IN MANAGEMENT OF THE BRAZIL-GUIANAS SHRIMP AND GROUNDFISH FISHERIES by P. Charlier

4.1. Introduction
4.2. Environmental Features and Variability of the Brazil-Guianas Marine Ecosystem

4.2.1. Marine Currents
4.2.2. Freshwater Inputs
4.2.3. Turbidity, Sediment Load
4.2.4. Nutrient Contents and Primary Production
4.2.5. Formation of Mud Banks
4.2.6. Dynamic Coastal Environment
4.2.7. Nature of the Seafloor
4.2.8. Critical Habitats for Fisheries Production
4.2.9. Natural Cycles

4.3. Impact of Fisheries on the Ecosystem and its Productivity

4.3.1. Direct Effects
4.3.2. Impact on the Structure of Fish Communities
4.3.3. Indirect Effects
4.3.4. Trophic Effects
4.3.5. Modifications of the Physical Environment

4.4. Impact of Other Human Activities on Marine Ecosystems

4.4.1. Agriculture
4.4.2. Industrial Development
4.4.3. Construction of Infrastructures

4.5. Relative Importance of Fisheries Impact and Other Factors on this Ecosystem and its Productivity
4.6. Conclusions and Recommendations
4.7. References

PART B - MANAGEMENT REPORTS

5. BRAZIL, NORTHERN PINK SHRIMP FISHERY by J.A. Negreiros Aragão, K.C. de Araújo Silva, N.M. Ehrhardt, J.-C. Seijo and D. Die

5.1. Introduction
5.2. Stock Assessment

5.2.1. Resource Status
5.2.2. Bio-Economic Analysis
5.2.3. Research Recommendations

5.3. Fishery Management

5.3.1. Recommendations

6. BRAZIL, NORTHERN RED SNAPPER FISHERY by R. Cutrim Souza

6.1. Description of the Fishery
6.2. Problems in the Fishery
6.3. Stock Assessment

6.3.1. Growth Rate
6.3.2. Landings

6.4. Conclusions
6.5. Recommendations

7. FRENCH GUIANA, SHRIMP FISHERY by A. Charuau and P.A. Medley

Executive Summary
7.1. Introduction
7.2. Management Issues

7.2.1. Stock Assessment
7.2.2. Management Goals
7.2.3. Recommendations

8. FRENCH GUIANA, SNAPPER FISHERY by A. Charuau and P.A. Medley

Executive Summary
8.1. Introduction
8.2. Management Issues

8.2.1. Stock Assessment

9. GUYANA, SHRIMP FISHERIES by N.M. Ehrhardt and D. Shepherd

9.1. Background of the Shrimp Fishery
9.2. Management Issues
9.3. Conclusions
9.4. Recommendations

9.4.1. Stock Assessment Recommendations
9.4.2. Fishery Management Recommendations

9.5. References

10. GUYANA, GROUNDFISH FISHERIES by N.M. Ehrhardt and D. Shepherd

10.1. Introduction
10.2. Management Issues
10.3. Stock Assessment

10.3.1. Multispecies Multigear Per-Recruit Analyses
10.3.2. Single Species Single Gear Per-Recruit Analyses

10.4. Management Goals
10.5. Recommendations

11. JAMAICA, SHRIMP FISHERIES by I. Jones and P.A Medley

11.1. Introduction
11.2. Stock Status
11.3. Management Issues

11.3.1. Indicators and Reference Points for the Fishery
11.3.2. Monitoring
11.3.3. Management Control
11.3.4. Pollution and Environmental Factors

11.4. Recommendations
11.5. References

12. SURINAME, GROUNDFISH AND SHRIMP FISHERIES by T. Chin-A-Lin and M. IJspol

12.1. Introduction
12.2. Management Issues of Penaeid Shrimp
12.3. Management Issues of Seabob
12.4. Management Issues of Demersal Fish
12.5. Other Fishery Related Management Issues and Recommendations
12.6. References

13. TRINIDAD AND TOBAGO, SHRIMP AND GROUNDFISH FISHERIES by L. Ferreira and S. Soomai

13.1. Introduction
13.2. Shrimp FISHERIES, Current Status

13.2.1. Stock Assessment of Shrimp
13.2.2. Economic Performance of the Shrimp Trawl Fleet
13.2.3. Bio-Economic Analysis of the Shrimp Trawl Fishery

13.3. Groundfish FisherIES, Current Status

13.3.1. Stock Assessment of Groundfish
13.3.2. Economic Performance of Artisanal Fleets Landing Groundfish
13.3.3. Bio-Economic Analysis of Artisanal Groundfish Fishery

13.4. Management Objectives
13.5. Management Recommendations
13.6. References

14. VENEZUELA, SHRIMP AND GROUNDFISH FISHERIES by J.J. Alió

14.1. Introduction
14.2. Stock Assessment of Shrimps
14.3. Stock Assessment of Fishes
14.4. Bio-economic Analysis of the Trinidad-Tobago and Venezuela Shrimp Fisheries
14.5. Recommendations

ANNEX 1. List of participants

ANNEX 2. List of references pertaining to the area and species of the Brazil-Guianas shelf, assembled from Working Group Reports (1996-2001)