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An application of international codes of practice on introductions of aquatic organisms: assessment of a project on the use of Chinese carps in Mozambique

TABLE OF CONTENTS

The designations employed and the presentation of the 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.

PREPARATION OF THIS DOCUMENT

This document was prepared by Devin M. Bartley, Fishery Resources Officer, Fisheries Department, FAO, Rome, following a three week consultancy in Mozambique, Zambia, and Zimbabwe. The consultancy was facilitated by the ALCOM Regional Aquaculture Project, the Department of Fish Culture, Mozambique, and the Department of Fisheries, Zambia.

Bartley, D.M.
An application of international codes of practice on introductions of aquatic organisms: assessment of a project on the use of Chinese carps in Mozambique.
FAO Fisheries Circular. No. 863. Rome, FAO. 1993. 21p.
ABSTRACT
International codes of practice on the use of exotic species were used to judge the desirability of utilizing Chinese carp for increased food production and control of aquatic vegetation in Mozambique. Resource managers, scientists, fishers, fish farmers, and local fish markets were surveyed to provide information on the feasibility and constraints to the use of Chinese carps. Although exotic species, such as common carp and black bass, have established reproducing populations and there is a high level of desire to raise Chinese carps in southern Africa, it was determined that in Mozambique the culture of Chinese carps for increased food production was not warranted given the status of indigenous fishery resources. However, grass carp should be utilized to control aquatic weed infestations. The international codes of practice provided a very useable framework to evaluate the proposed use of exotic species.

Distribution:

FAO Fisheries Department
FAO Regional Fisheries Officers
Directors of Fisheries.


TABLE OF CONTENTS


INTRODUCTION

1.   BACKGROUND

2.   APPROACH

3.   FINDINGS

3.1   Zambia

3.1.1   Aquaculture Activities

3.1.2   Status of Chinese, common and indigenous carps

3.1.3   Perspective on Chinese carp

3.2   Zimbabwe

3.2.1   Aquaculture activities

3.2.2   Status of Chinese, common and indigenous carps

3.2.3   Perspective on Chinese carps

3.3   Mozambique

3.3.1   Aquaculture and inland fishery activities

3.3.2   Status of Chinese, common and indigenous carps

3.3.3   Perspective on Chinese carps

3.3.4   SIREMO Irrigation Scheme, Choke, Gaza Province

3.4   Application of the ICES/EIFAC Codes of Practice

3.4.1   Evaluation of the use of grass carp to control irrigation canal vegetation

3.4.2   Evaluation of the use of Chinese carp to increase food production

4.   CONCLUSIONS AND RECOMMENDATIONS

5.   LITERATURE CITED

List of Tables

Table 1   Summary of selected fishery and aquaculture activities in Zambia

Table 2   Summary of selected aquaculture and fisheries activities in Zimbabwe

Table 3   Summary of selected fishery and aquaculture activities in Manica, Maputo and Gaza Provinces of Mozambique

Table 4   Approximate wholesale price of inland fishes in Zambia

Table 5   Approximate retail price of fishes from inland fisheries in Mozambique

Table 6   List of some aquatic plants found in association with the SIREMO Irrigation Scheme, Chokwe, Mozambique.

List of Figures

Figure 1   Map of Mozambique

Figure 2   Decision Model and Opinionnaire to evaluate introductions of Chinese carp


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