Rapid Coastal Assessment of the Marine Environment of Tuna Bay, Bootless Inlet, Port Moresby, Papua New Guinea
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Rapid Coastal Assessment of the Marine Environment of Tuna Bay, Bootless Inlet, Port Moresby, Papua New Guinea Rapid Coastal Assessment of the Marine Environment of Tuna Bay, Bootless Inlet, Port Moresby, Papua New Guinea 1 Rapid Coastal Assessment of the Marine Environment of Tuna Bay, Bootless Inlet, Port Moresby, Papua New Guinea Prepared for the Pacific Ridge to Reef Programme, Geoscience, Energy and Maritime Division, Pacific Community (SPC), Suva, Fiji Suva, Fiji, 2021 © Pacific Community (SPC) 2021 All rights for commercial/for profit reproduction or translation, in any form, reserved. SPC authorises the partial reproduction or translation of this material for scientific, educational or research purposes, provided that SPC and the source document are properly acknowledged. Permission to reproduce the document and/or translate in whole, in any form, whether for commercial/for profit or non-profit purposes, must be requested in writing. Original SPC artwork may not be altered or separately published without permission. Original text: English Citation: Simon Saulei, Pius Piskaut, Alfred Ko’ou, Beatrix Waiin, Robin Totome, Dan Kundun, Denica Sapakali and Philomena Sengu. 2021. Rapid coastal assessment of the marine environment of Tuna Bay, Bootless Inlet, Port Moresby, Papua New Guinea. Suva, Fiji SPC, 72 pp Reviewed by: George Naboutuiloma, Samasoni Sauni, Dr. Antoine de Ramon N’Yeurt, Dr. Jade Delevaux, John Carreon, Dr. Fononga Vainga Mangisi-Mafileo, Jose Antonio, Dr. Milika Sobey Writing and editing support: Seema Deo (Footprints in the Sand Consulting) Layout and Design by Navneet Lal / Pacific Community (SPC) Produced by GEF Pacific International Waters Ridge to Reef Regional Project, Pacific Community (SPC), Suva, Fiji. Prepared for publication at SPC’s Suva Regional Office, Private Mail Bag, Suva, Fiji, 2021 www.spc.int | [email protected] Printed by Quality Print, Suva, Fiji, 2021 Rapid Coastal Assessment of the Marine Environment of Tuna Bay, Bootless Inlet, Port Moresby, Papua New Guinea CONTENTS Abbreviations ................................................................................................................................ v List of Figures ............................................................................................................................... vi List of Tables ................................................................................................................................ vii Acknowledgement.......................................................................................................................viii Introduction ................................................................................................................................... 1 Project Background ..................................................................................................................................................2 Project Terms of Reference ......................................................................................................................................3 Project Objectives ......................................................................................................................... 3 Rapid Assessment Approach ...................................................................................................................................3 General Background to Tuna Bay .................................................................................................. 5 Geology ....................................................................................................................................................................5 Topography ..............................................................................................................................................................5 Hydrology.................................................................................................................................................................5 Soils ......................................................................................................................................................................5 Vegetation ................................................................................................................................................................6 Biodiversity Within Tuna Bay area ...........................................................................................................................6 Population ...............................................................................................................................................................6 Land- and Seascapes Use Patterns ...........................................................................................................................6 Dogura and Taurama Development Plans................................................................................................................7 Biodiversity Assessment ................................................................................................................ 8 Mangrove Ecosystems .............................................................................................................................................8 Introduction .........................................................................................................................................................8 Study Sites ...........................................................................................................................................................9 Methodology .....................................................................................................................................................10 Results ...............................................................................................................................................................10 Discussion ..........................................................................................................................................................14 Conclusion .........................................................................................................................................................14 Recommendation ..............................................................................................................................................14 Marine Ecosystems ................................................................................................................................................15 Introduction .......................................................................................................................................................15 Study Site ...........................................................................................................................................................17 Methodology .....................................................................................................................................................17 Marine Cover and Species Diversity ..................................................................................................................17 Data Analysis .....................................................................................................................................................18 Results ...............................................................................................................................................................19 Habitat and Species Diversity ............................................................................................................................19 Seagrasses .........................................................................................................................................................19 Macroalgae ........................................................................................................................................................20 Coral Diversity ...................................................................................................................................................20 Fish Assemblage ................................................................................................................................................21 Discussion ..........................................................................................................................................................23 Conclusion .........................................................................................................................................................24 Recommendation ..............................................................................................................................................24 iii Significant Sites............................................................................................................................ 25 Introduction ...........................................................................................................................................................25 Methods ................................................................................................................................................................25 Analysis ..................................................................................................................................................................25