EU EDF 8/9 – SOPAC Project Report 36: Reducing Vulnerability of Pacific ACP States TUVALU TECHNICAL & COUNTRY MISSION REPORT – ASSESSMENT OF AGGREGATE SUPPLY, POND AND LAGOON WATER QUALITY & CAUSEWAY CONSTRUCTION ON FUNAFUTI AND VAITUPU ATOLLS th th Fieldwork undertaken from 13 to 24 September 2004 Funafuti Lagoon, Tuvalu. Tuvalu Technical & Country Mission Report – Aggregate supply, lagoon water quality and causeway construction Funafuti and Vaitupu atolls Prepared by: Arthur Webb – Coastal Processes & Aggregates Adviser, EDF9 SOPAC Secretariat January 2005 SOUTH PACIFIC APPLIED GEOSCIENCE COMMISSION c/o SOPAC Secretariat Private Mail Bag GPO, Suva FIJI ISLANDS http://www.sopac.org Phone: +679 338 1377 Fax: +679 337 0040 www.sopac.org
[email protected] Important Notice This report has been produced with the financial assistance of the European Community; however, the views expressed herein must never be taken to reflect the official opinion of the European Community. [EU-SOPAC Project Report 36 (Webb) – 2] Tuvalu Technical & Country Mission Report – Aggregate supply, lagoon water quality and causeway construction Funafuti and Vaitupu atolls TABLE OF CONTENTS Page ACKNOWLEDGEMENTS 5 INTRODUCTION 6 EXECUTIVE SUMMARY 7 WORK PLAN 9 PART 1 – FUNAFUTI ISLAND 10 1. Aggregate Supply Issues 10 2. Potential Milkfish Production Sites on Funafuti 12 2.1 Tafua Pond – Funafuti 12 2.2 Borrow Pits – Funafuti 15 3. Conclusions / Recommendations – Funafuti 16 3.1 Aggregate Supply Issue 16 3.2 Milkfish Production 17 PART 2 – VAITUPU ISLAND 18 1. Assessment of Aggregate Supply 18 2. Milkfish Issues on Vaitupu 20 2.1 Decline in Vaitupu Lagoon Water Quality 20 2.2 Assessment of Milkfish Production Sites 22 3.