Biodiversity of the Kermadec Islands and offshore waters of the Kermadec Ridge: report of a coastal, marine mammal and deep-sea survey (TAN1612) New Zealand Aquatic Environment and Biodiversity Report No. 179 Clark, M.R.; Trnski, T.; Constantine, R.; Aguirre, J.D.; Barker, J.; Betty, E.; Bowden, D.A.; Connell, A.; Duffy, C.; George, S.; Hannam, S.; Liggins, L..; Middleton, C.; Mills, S.; Pallentin, A.; Riekkola, L.; Sampey, A.; Sewell, M.; Spong, K.; Stewart, A.; Stewart, R.; Struthers, C.; van Oosterom, L. ISSN 1179-6480 (online) ISSN 1176-9440 (print) ISBN 978-1-77665-481-9 (online) ISBN 978-1-77665-482-6 (print) January 2017 Requests for further copies should be directed to: Publications Logistics Officer Ministry for Primary Industries PO Box 2526 WELLINGTON 6140 Email:
[email protected] Telephone: 0800 00 83 33 Facsimile: 04-894 0300 This publication is also available on the Ministry for Primary Industries websites at: http://www.mpi.govt.nz/news-resources/publications.aspx http://fs.fish.govt.nz go to Document library/Research reports © Crown Copyright - Ministry for Primary Industries TABLE OF CONTENTS EXECUTIVE SUMMARY 1 1. INTRODUCTION 3 1.1 Objectives: 3 1.2 Objective 1: Benthic offshore biodiversity 3 1.3 Objective 2: Marine mammal research 4 1.4 Objective 3: Coastal biodiversity and connectivity 5 2. METHODS 5 2.1 Survey area 5 2.2 Survey design 6 Offshore Biodiversity 6 Marine mammal sampling 8 Coastal survey 8 Station recording 8 2.3 Sampling operations 8 Multibeam mapping 8 Photographic transect survey 9 Fish and Invertebrate sampling 9 Plankton sampling 11 Catch processing 11 Environmental sampling 12 Marine mammal sampling 12 Dive sampling operations 12 Outreach 13 3.