MATAORA KEI RUNGA I TE TAPĀTAI LIFE on the EDGE Table of Contents
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Mataora kei Runga i te Tapātai| Life on the Edge Invercargill | Murihiku Aotearoa | New Zealand November 12 – 15, 2019 MATAORA KEI RUNGA I TE TAPĀTAI LIFE ON THE EDGE 12-15 November 2019 | Invercargill, New Zealand Table of Contents Conference Chair Welcome ....................................................................................... 2 New Zealand Coastal Society ..................................................................................... 5 NZCS Annual General Meeting ................................................................................... 7 Conference Information ............................................................................................. 7 Networking Events ................................................................................................... 12 NZCS Conference Programme 2019 ......................................................................... 26 Keynote Presentations ............................................................................................. 33 Abstracts: Oral Presentations .................................................................................. 37 Abstracts: Poster Presentations ............................................................................. 108 Panel Discussions ................................................................................................... 119 Notes ...................................................................................................................... 122 Front Cover: Te Rere scientific reserve on the Catlins coast. Photo by Christine Liang. 1 Conference Chair Welcome Nau mai haere mai ki o Murihiku - Welcome to Murihiku/Southland! The theme of this year’s annual New Zealand Coastal Society (NZCS) conference is Life on the Edge - Mataora kei runga i te Tapātai. For us in Murihiku this means living with the challenges, changeability, beauty, and diversity that comes from living on the edge of the great Southern Ocean and the challenges and opportunities that this creates. From the striking fiords representing the raised sides of Te Waka o Aoraki in Fiordland, to the pounding surf coast of Te Waewae Bay where Tākitimu’s voyage came to an end; life clings on, however precariously, adapting and thriving. This diversity and tenacity resonates throughout the coastline with a sense of adventure and kaitiakitanga/guardianship in those who reside here. The concept of life on the edge ties past, present and future as we reflect on the roots that have held us strong, but also as we look to the future and how we must adapt to protect, and flourish within, the coastal environment. The 2019 conference in Invercargill aims to celebrate the bountiful islands and diverse stretch of coast that is Southland, the challenges faced in these environments, and the people and species that call this unique part of the world, home. Not only does this theme resonate with the Southland Coast, but it also reflects the challenges and opportunities of life on the coast throughout New Zealand. We have an incredible team of NZCS members and volunteers, who have worked hard over the last few months to put together a programme chock-full of fascinating talks and events. The next three days present an amazing opportunity to meet new people, catch up with friends, learn from each other, and come away with an appreciation of Murihiku’s incredible, uncompromising coastal environment. Our only hope now is that the weather holds… Please come and see either of the Conference Chairs (Matt or Bryony), or any of the Local Organising Committee if you require assistance in any way. We sincerely hope you enjoy your time in Waihōpai/Invercargill, Murihiku/Southland, and visit again soon. Ngā mihi nui, Matt Hoffman and Bryony Miller NZCS 2019 Conference Committee Co-Chairs 2 Mataora kei Runga i te Tapātai| Life on the Edge Invercargill | Murihiku Aotearoa | New Zealand November 12 – 15, 2019 Sponsors The New Zealand Coastal Society (NZCS) would like to thank the following conference sponsors, without whom this conference and the ongoing success of the society would not be possible: Keynote Sponsors Dinner Sponsor Young Professionals Breakfast 3 Icebreaker Function Sponsor + Handbook Printing Planting Offset Sponsor Workshop Session Sponsor Fieldtrip Sponsors Other Sponsors 4 Mataora kei Runga i te Tapātai| Life on the Edge Invercargill | Murihiku Aotearoa | New Zealand November 12 – 15, 2019 New Zealand Coastal Society Who is the NZCS? NZCS members represent a wide range of coastal science, engineering, management and planning disciplines. They are employed in the engineering and environmental consulting sectors, in local, regional, and central government, in research institutes, in the tertiary education sector and in schools. NZCS is a technical group of the Institution of Professional Engineers New Zealand (IPENZ). The multi-disciplinary nature of coastal management in New Zealand means many of our members are from areas other than engineering. There are no entry criteria for the society and we welcome membership enquiries from anyone with an interest in the coast. Our Mission To take a leading role in facilitating robust discussion and nationally coordinated interactions to better manage and learn about our coastal and marine environment. Our Vision Sustainable management of New Zealand's coastal and marine environment underpinned by sound science, engineering and policy practice, comprehensive monitoring, involved communities and effective national networks. Our Values The NZCS will promote this vision by being: visionary and innovative; communicative and effective; non-political and impartial; leading edge and strategic. What We Do • Hold an annual conference • Host regional seminars and networking events • Publish the Coastal News magazine • Provide a regular email digest to members with upcoming events, news and job opportunities • Facilitate networking between individuals and professional groups • Support coastal research and study with student scholarships, awards and prizes • Coordinate with universities and other research organisations • Assist with the production of coastal publications (e.g. books, best practice guides, educational material) • Support the development of best practice and informed comment on coastal management issues • Host the biennial Australasian Coasts and Ports conference • Raise public awareness of coastal issues through activity, press releases and publications. 5 NZCS Management Committee The Management Committee is responsible for the policy and administration of the New Zealand Coastal Society. The committee members are elected each year at the AGM which is held at the society’s annual conference. Chair Paul Klinac Deputy Chair Mark Ivamy Treasurer Eric Verstappen & Michael Allis National Regional Coordinators Natasha Carpenter Website/Social Media Coordinator José Borrero Coastal News and Special Publications Coordinator Don Neale Central Government Representative Amy Robinson Awards and Scholarship Coordinators Craig Davis University/Education Coordinators Murray Ford Young Professional Coordinator Hugh Leersnyder Professional Development Coordinator Sam Morgan NZCS Administrator & Communications Coordinator Alison Clarke & Rebekah Haughey Coastal News Editor Charles Hendtlass Invercargill/Murihiku 2019 - Conference Organising Committee Bryony Miller (co-chair) e3 Scientific Matt Hoffman (co-chair) Porirua City Council Luke McSoriley WSP Opus Sorrel O’Connell-Milne Environment Southland Rebecca Amundsen Invercargill City Council Tapuwa Marapara Southern Institute of Technology Christine Liang Southern Institute of Technology Alison Clarke Pattle Delamore Partners Ltd 6 Mataora kei Runga i te Tapātai| Life on the Edge Invercargill | Murihiku Aotearoa | New Zealand November 12 – 15, 2019 NZCS Annual General Meeting The New Zealand Coastal Society Annual General Meeting (AGM) for 2019 will be held at Transport World during the annual conference on Wednesday during the lunchtime break. Everyone is welcome to attend this meeting. Transport World (Engine Room/Driver’s Den) Wednesday 13 November 2019 12.30 – 1.30 pm If you are interested in becoming an NZCS member, please see either a Management Committee Member or Conference Committee Member for more information. If you are interested in being nominated to be an NZCS Management Committee member in 2019, please see a current committee member before the AGM. Conference Information Oral presenters Please note that the use of personal laptops for presentations will not be permissible. Presentations must be provided to a representative of the NZCS by the morning of the presentation day. Presentations can be brought to the conference registration desk at the Transport World, Invercargill each morning until 8.30 am (note: conference laptops are Windows-based not Mac). Please bring your file on a memory stick with the presenter’s name as the file name for ease of loading. Please also bring a copy of your presentation as a pdf that you will allow the NZCS to place on its website (with no copyright issues), or email it beforehand to [email protected]. Please ensure your memory stick is virus free. The allocated time for your talk is 15 minutes plus 5 minutes for discussion and questions. Keynote speakers and workshop presenters will be individually advised of their time allocations. Due to the tight timeframe, we emphasise the importance of starting and finishing on time. Session chairs have been instructed to ensure that you do not go over