PAPUA NEW GUINEA

Sepik River Fish Stock Enhancement Project
PNG/85/001

by

Dr. J. F. Muir
Fisheries Department
FAO Rome

This report was prepared during the course of the project identified on the title page. The conclusions and recommendations given in the report are those considered appropriate at the time of its preparation. They may be modified in the light of further knowledge gained at subsequent stages of the project.

The designations employed and the presentation of the material in this document do not imply the expression of any opinion whatsoever on the part of the United Nations or the Food and Agriculture Organisation of the United Nations concerning the legal or constitutional status of any country, territory or sea area, or concerning the delimitation of frontiers.

FOOD AND AGRICULTURE ORGANISATION OF THE UNITED NATIONS
Rome, 1990

Hyperlinks to non-FAO Internet sites do not imply any official endorsement of or responsibility for the opinions, ideas, data or products presented at these locations, or guarantee the validity of the information provided. The sole purpose of links to non-FAO sites is to indicate further information available on related topics.

This electronic document has been scanned using optical character recognition (OCR) software. FAO declines all responsibility for any discrepancies that may exist between the present document and its original printed version.

CONTENTS:

1 Introduction

1.1 Background

1.2 Main species/priorities

1.3 Main approaches to species introductions

2 The stock transfer system

2.1 The quarantine system

2.2 Distribution and introduction

2.3 Sizing and specifying the transfer system

2.4 Preliminary conclusions

3 Quarantine facilities

3.1 Basic description/location

3.2 Design characteristics

3.3 Operation and logistics

3.4 Outline costs

3.5 Summary

4 Coldwater production/distribution centre

4.1 Basic description/location

4.2 Design characteristics

4.3 Operation and logistics

4.4 Outline costs

4.5 Summary

5 Warmwater production/distribution centre

5.1 Basic description/location

5.2 Design characteristics

5.3 Operation and logistics

5.4 Outline costs

5.5 Summary

6 Main conclusions/recommendations

6.1 Summary of options and costs

6.2 Suggested implementation

Figures:

1 Location/main river zones of the Sepik/Ramu system

2 Outline of quarantine procedures

3 Outline of proposed quarantine stages

4 Possible approaches to distribution and introduction

5 Suggested layout: quarantine system

6 Outline layout: coldwater centre

7 Sidestream hatching facilities

8 Simple cage systems

9 Simple enclosure systems

10 Portable hatching facilities

11 Outline layouts, Madang/Wewak

12 Project schedule bar-chart

Tables:

1 Outline species/system choices

2 Basic species characteristics

3 Outline sizing of facilities

4 Typical specifications: quarantine system

5 Outline capital cost: basic quarantine system

6 Outline operating cost: quarantine centre

7 Outline capital cost: purpose-built quarantine centre

8 Typical specifications: coldwater centre

9 Specifications: purpose-built coldwater centre

10 Outline capital costs: coldwater centre

11 Outline operating costs: coldwater centre

12 Outline capital costs: purpose-built centre

13 Using/upgrading Aiyura facilities

14 Specifications, purpose-built warmwater centre

15 Dimensions/specifications, cages and enclosures

16 Upgrading ponds at St Xavier's

17 Outline capital costs, Aiyura and ancillary

18 Outline capital cost, initial Madang/Wewak

19 Outline capital cost, full-scale Madang/Wewak

20 Outline capital costs of main options

21 Outline operating costs, initial level option a

22 Outline operating cost, developed level option c

23 Summary, operating costs of various options

24 Summary capital and operating costs

Appendices:

I References

II Extracts from EIFAC recommendations

III Cost information