The Complementary Roles of Single-Species and Ecosystem Models in Fisheries Management. An Example from a Southwest Atlantic Fishery

Table of Contents

by

Marcelo C. VASCONCELLOS
Departamento de Oceanografia
Universidade Federal do Rio Grande
Caixa Postal 474 Rio Grande R.S.
Brasil 96201-900
e-mail: [email protected]

FOOD AND AGRICULTURE ORGANIZATION OF THE UNITED NATIONS
Rome, 2001

FAO Fisheries Circular No. 970

FIRM/C970 ISSN 0429-9329

Table of Contents

PREPARATION OF THIS DOCUMENT

ABSTRACT

INTRODUCTION

Models in fisheries management
The fishery for the Brazilian sardine

METHODS

Management scenarios
Modeling approaches

RESULTS AND DISCUSSION

Ecosystem structure and dynamics
Simulation of management scenarios

(i) Ecosystem simulations
(ii) Single species

The complementary role of models

REFERENCES

APPENDIX I

Single-Species Model
Ecosystem model

Construction of an Ecopath mass-balance model
Simulation with Ecosim