The Marine Environment of the Pitcairn Islands - Pew Environment ...

First published in Great Britain in 2012 by
Dundee University Press
University of Dundee
Dundee
DD1 4HN
Dundee
University
Press
Copyright – The Pew Charitable Trusts
ISBN – 9781845861612
All rights reserved. No part of this publication may be reproduced, stored or transmitted in any form,
or by any means electronic or mechanical or photocopying, or recording or otherwise without the express
written permission of the publisher.
The rights of Robert Irving and Terry Dawson to be identified as the authors of this work has been asserted
in accordance with the Copyright, Designs and Patents Act, 1988.
British Library Cataloguing-in-Publication Data
A catalogue record for this book is available on request from the British Library
Typeset by Communications Inc
Printed by Dundee University Press
CONTENTS
The Marine Environment of the Pitcairn Islands The Marine Environment of the Pitcairn Islands
Executive summary i
1. Introduction 1
1.1 Historical background 1
1.2 The Islands today 2
1.3 Geology / geomorphology 4
1.4 Marine biogeography 4
2. Information relevant to all four islands 6
2.1 Differences and similarities 6
2.2 Endemism 9
2.3 Measures of protection 10
3. Nearshore waters 11
3.1 Pitcairn Island 11
3.1.1 Introduction 12
3.1.2 Intertidal zone – habitats and species 12
3.1.3 Bathymetry and marine habitats 13
3.1.4 Marine species 14
3.1.5 Nearshore fisheries 19
3.2 Henderson 21
3.2.1 Introduction 22
3.2.2 Intertidal zone – habitats and species 22
3.2.3 Bathymetry and marine habitats 22
3.2.4 Marine species 23
3.2.5 Nearshore fisheries 28
3.3 Oeno 29
3.3.1 Introduction 30
3.3.2 Lagoon – habitats and species 30
3.3.3 Bathymetry and marine habitats 30
3.3.4 Marine species 30
3.3.5 Nearshore fisheries 31
3.4 Ducie 33
3.4.1 Introduction 34
3.4.2 Lagoon – habitats and species 34
3.4.3 Bathymetry and marine habitats 34
3.4.4 Marine species 34
3.4.5 Nearshore fisheries 37
4. Offshore waters 38
4.1 Introduction 38
4.2 Geology/geomorphology 38
4.3 Marine species 38
4.4 Fisheries 41
4.4.1 Non-commercial 41
4.4.2 Commercial 42
Appendix 1: Bibliography 45
Appendix 2: Additional data sources 49
Appendix 3: IUCN Red List Species 50
Appendix 4: Scientific research expeditions to the Pitcairn Islands 54
Appendix 5: Marine species recorded from the Pitcairn Islands 57