Whanganui 10-12 March - Annual Conference Ko Te Kawa o Tangaroa, he kawa ora - Living on a dynamic coast - Coastal Restoration Trust

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Whanganui 10-12 March - Annual Conference Ko Te Kawa o Tangaroa, he kawa ora - Living on a dynamic coast - Coastal Restoration Trust
Annual Conference
Ko Te Kawa o Tangaroa, he kawa ora –
Living on a dynamic coast

                     Whanganui
                    10-12 March
                           2021
                            2021 ANNUAL CONFERENCE | 1
Whanganui 10-12 March - Annual Conference Ko Te Kawa o Tangaroa, he kawa ora - Living on a dynamic coast - Coastal Restoration Trust
TABLE OF CONTENTS
                             Te Awa Tupua information .......................................................................................... 2
                             Tāhuna Ora Waiata ....................................................................................................... 3
                             The Coastal Restoration Trust of New Zealand ......................................................4
                             Coastal Restoration Trust trustees............................................................................. 5
                             Conference Contact Numbers & Organising Committee ................................... 5
                             The Conference Venue ................................................................................................6
                             Welcome from the Chair ............................................................................................. 7
                             Welcome from Mayor Hamish McDouall.................................................................8
                             Welcome from Horizons’ Councillor Sam Ferguson.............................................9
                             Abstract Keynote speaker...........................................................................................10
                             Abstract Alastair Clement........................................................................................... 11
                             Abstract Colin Ogle..................................................................................................... 12
                             Abstract Rudi Schnitzler.............................................................................................. 13

                             FIELD TRIPS – KEEPING SAFE ............................................................................. 14
                             Field trip map overview............................................................................................... 15
                             Field trip Castlecliff and Mole (Wednesday)........................................................... 16
                             Field trip Waverley & Waipipi (Thursday)................................................................. 17
                             Field trip Whanganui River (Friday morning)..........................................................18
                             Field trip Koitiata (Friday).............................................................................................19

                             THE 2021 CONFERENCE PROGRAMME
                             Day 1: Wednesday 10 March .................................................................................... 20
                             Day 2: Thursday 11 March ......................................................................................... 21
                             Day 3: Friday 12 March ............................................................................................... 21
                             Sponsors........................................................................................................................22
                             Useful websites.............................................................................................................23

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Whanganui 10-12 March - Annual Conference Ko Te Kawa o Tangaroa, he kawa ora - Living on a dynamic coast - Coastal Restoration Trust
Te Awa Tupua                                                                         Tāhuna Ora Waiata

For more than a century the laws,          maintained by our tūpuna and their                      Tāhuna Ora
regulations and actions of the Crown       descendants.
                                                                                                 Tai timu, tai pari
have broken the Whanganui River
down into parts. The Te Awa Tupua          Te Awa Tupua recognises a set of                      Tai mata tāhuna
framework seeks to take a catchment-       indigenous values at law that reflect                 Piri tata, piri tahi
wide approach to ensure that all of        the innate relationship of the River to
                                                                                                    Piri kia ora
the waterways which together join to       the people and the people to the River
form the Whanganui River are viewed        as guardians and sovereign partners in
                                                                                                    Mō āpōpō,
                                                                                                mō ake, ake tonu rā
and managed, not in isolation, but         protecting the mana of the river and
with reference to the whole River as an    leading water policy, management,
interconnected ecosystem.                  and planning. It also represents a
                                           move towards restorative justice
Furthermore, to Whanganui Iwi, the         and sustainable practices for healthy
                                                                                           Dunes, strong and vigorous
Whanganui River is viewed as a living      waterways.
                                                                                               Tides that ebb and flow
being, Te Awa Tupua; an indivisible
whole incorporating its tributaries        Nō te kawa ora a ‘Tupua te Kawa’ hei
                                                                                             Caressing the banks’ brow
and all its physical and metaphysical      taura here nā Te Awa Tupua me ōna            Stand together and embrace as one
elements from the mountains to the         tāngata ki te kawa nō tawhito rangi.           To ensure survival for tomorrow,
sea. And therefore the health and                                                     for the future, through the eons of time.
wellbeing of one element of the River      The natural law and value system of Te
is intrinsically connected to the health   Awa Tupua, which binds the people to
and wellbeing of the whole River, its      the River and the River to the people.
mouri and its mana.

The enduring concept of Te Awa Tupua
– the inseparability of the people         To read more:
and River – underpins the desire of        ww.ngatangatatiaki.co.nz/our-story/

Whanganui Iwi to care for, protect,        tupua-te-kawa

manage and use the Whanganui
River through the kawa and tikanga

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Whanganui 10-12 March - Annual Conference Ko Te Kawa o Tangaroa, he kawa ora - Living on a dynamic coast - Coastal Restoration Trust
The Coastal Restoration                                                                 The Coastal Restoration
Trust of New Zealand                                                                    Trust Trustees
The Coastal Restoration Trust is a nationwide organisation that brings together         The Coastal Restoration Trust of New Zealand Board comprises up to 15 trustees
the knowledge and experience of communities, iwi and hapū, management                   from a wide range of backgrounds, organisations and locations around the country.
authorities, industry, and science agencies to save and restore our sand dunes          The trustees have long term experience in a wide range of fields, such as botany,
and coastal ecosystems.                                                                 dune morphology, raranga, governance and community restoration projects.

The Coastal Restoration Trust is an incorporated Charitable Trust formed in             Current Trustees
2007 to continue the work of the Coastal Dune Vegetation Network. Our aim is
                                                                                        Chair Greg Bennett - North Canterbury         David Bergin - Bay of Plenty
to support and encourage the development of cost effective practical methods
                                                                                        Treasurer Colin Ryder - Wellington            Laura Shaft - Northland
for coastal communities and management authorities to restore natural coastal
                                                                                        Administrator Lyneke Onderwater               Graeme La Cock - Wellington
ecosystems including the natural form and function of coastal dunes.
                                                                                        Tim Park - Wellington                         Lyle Mason - Southland
                                                                                        Betsy Young - Far North                       Jo Bonner - Whakatane
                                                                                        Alison Waru - East Cape                       Jason Maguiness - North Auckland
Our goals are:
•    To provide a network for information exchange on sustainable management of
     dunes and coastal ecosystems;
                                                                                        Conference Contact Numbers
•    To facilitate research on NZ coastal and dune ecosystems; and                      For general conference questions:
•    To promote public awareness of proven methods for protection, restoration,         021 268 2052 (Lyneke Onderwater)
     conservation and sustainable management of coastal and dune ecosystems.            For field trip enquiries phone:
                                                                                        021 227 7189 (Scotty Moore)

To achieve these goals we:
                                                                                        Conference Organising
•    Organise an annual conference and workshops to discuss issues, share information
                                                                                        Committee
     and hear the latest research;
•    Run a website where information is free and easily accessible and can host         Graham Pearson             Colin Ogle

     community coast care web pages;                                                    Lyn Pearson		              Neil Mickleson

•    Commission research projects and offer a student scholarship; and                  Scotty Moore		             Jenny Duncan

•    Produce technical bulletins and articles detailing best practice methods for       Graeme La Cock		           Lyneke Onderwater

     dune restoration.
                                                                                        Photo by Karina Hunt and Bruce Tonkin

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Whanganui 10-12 March - Annual Conference Ko Te Kawa o Tangaroa, he kawa ora - Living on a dynamic coast - Coastal Restoration Trust
The Conference Venue
  The Grand Hotel,
                                                                                     Welcome
  Corner St Hill and Guyton Streets,                                                 from the Chair
  Whanganui

                                                                                     Ngā mihi nui ki a koutou katoa.
This will be the venue for the conference until 11am on Thursday, when the field
                                                                                     Nau mai, haere mai ki tēnei hui.
trips commence and depart from here.
                                                                                     Greetings and a warm welcome to
                                                                                     the 2021 conference of the Coastal
                                                                                     Restoration Trust of New Zealand,
                                                                                     Living on a Dynamic Coast - Ko Te
                                                                                     Kawa o Tangaroa, he kawa ora.

                                                                                     This is a return to the Trust’s beginnings   fauna that live there, and meeting
                                                                                     as our first conference as a Charitable      the other coasties who are kaitiaki in
                                                                                     Trust was in Whanganui in 2008. Back         this place.
                                                                                     then, I remember the indomitable
                                                                                     Ted Frost showing us the dunes and           I invite all of you to contribute in
                                                                                     the battle Castlecliff Coast Care were       making our conference an enjoyable
                                                                                     waging on areas of wattle, lupin and         and valuable experience. Please ask
                                                                                     other weeds. Many thanks to Graham           questions, offer advice and enhance
                                                                                     and Lyn Pearson for taking Ted’s mahi        the collective experience and
                                                                                     to new levels and their update at every      knowledge of our huihuinga.
                                                                                     conference is always inspiring. I am
                                                                                                                                  Many thanks to our sponsors, especially
                                                                                     looking forward to seeing the results
                                                                                                                                  Horizons Regional Council, who are
                                                                                     of thousands of hours of volunteer
                                                                                                                                  our generous hosts. These sponsors
                                                                                     efforts and investment from
                                                                                                                                  make it possible for us to hold the
                                                                                     community organisations, councils,
                                                                                                                                  conference and keep the registration
                                                                                     DOC and others.
                                                                                                                                  fees affordable. Also a special thanks to
                                                                                     The Whanganui-Manawatū Region                the conference organising committee
                                                                                     can be windy. We all know wind +             who have put in the hard mahi to
                                                                                     sand + vegetation = sand dunes and           produce this event.

Parking                                                                              the sometimes exceptional wind,
The Grand Hotel has a limited amount of parking available. Other parking nearby is   excess sand and vigorous plants in the
mostly paid or limited and parking wardens are active. We recommend that you walk    Whanganui-Manawatū build stonking            Kia ora,
to the venue if your accommodation is not too far.                                   great sand dunes.
                                                                                                                                  Greg Bennett
                                                                                     I am looking forward to seeing these         Tiamana
                                                                                     dune systems and all the flora and
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Whanganui 10-12 March - Annual Conference Ko Te Kawa o Tangaroa, he kawa ora - Living on a dynamic coast - Coastal Restoration Trust
Welcome from                                                                          Welcome
Whanganui                                                                             from Horizons
District Mayor                                                                        Regional
                                                                                      Councillor
Ngā mihi nui ki a koutou katoa.
Haere mai ki Whanganui

It is my delight to welcome the
members of the Coastal Restoration
                                                                                      Kia ora, it is a pleasure to welcome       pressure on them and the life they
Trust of New Zealand to Whanganui
for their national conference.                                                        you to the Horizons Region and             support. As people better appreciate
                                                                                      Whanganui.                                 and understand these wild places, they
Protecting and restoring our nation’s        the strip from Whangaehu to Ototoko.
                                                                                                                                 are more likely to respect and
coastline is such an important task, and
                                             Best wishes for your conference and I    As an elected representative in the        protect them.
often thankless. I want to acknowledge
                                             hope you are able to get out and see     region I have a passion for the local
this debt of gratitude and say to you all:
                                             the other things that make Whanganui     environment and ensuring it is thriving.   I look forward to seeing you in
thank you so much for your work.
                                             the most beautiful city in New Zealand   One of the key aspects to achieving        Whanganui, learning more about the
Whanganui’s coastline is rugged and          - our cafés, the wonderful built
                                                                                      this is the support and acceptance from    challenges and opportunities of these
dynamic. Dunes migrate (indeed               heritage, premier parks and of course
                                                                                      the local community. Communities           ecosystems, and sharing the stories of
much of the central city is built on         our unique river - Te Awa Tupua. And
                                                                                      such as Foxton Beach that are actively     our dunes with our local communities.
ancient dunes that have come to town         maybe take a bit of Whanganui back
                                                                                      out there pulling lupin and marram
over many centuries), cliffs erode,          to your home – perhaps a piece of
and vegetation clings fast against the       blown glass from one of our incredible   to allow plants such maakoako and
westerly wind.                               galleries.                               slender clubrush to flourish.              Sam Ferguson
                                                                                                                                 Elected Councillor
Having three beaches close to the city       I hope you experience Whanganui’s
                                                                                      Connecting people with places and
means that they become recreational          famous manaakitanga, and enjoy your
                                                                                      making knowledge easy to consume
places and the district needs to balance     stay.
                                                                                      and explore, helps to give our
a variety of users - surfers, anglers,
walkers, riders, drivers and those who                                                communities a better appreciation for
simply want to enjoy the incredible                                                   the role our dune systems play and the
                                             Hamish McDouall
environment of our coast.                                                             importance of protecting them.
                                             Mayor of Whanganui District
As a major step towards this, the
                                                                                      The impact from humans on many of
Council is looking to put a Coastal
                                                                                      our sensitive ecosystems puts immense
Management Plan in place in the near
future in order to protect and preserve

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Whanganui 10-12 March - Annual Conference Ko Te Kawa o Tangaroa, he kawa ora - Living on a dynamic coast - Coastal Restoration Trust
Keynote Speaker                                                                   Dunelands of the southwest North Island:
                                                                                  Driving forces, development, and future scenarios
Professor James Renwick is a leading       Intergovernmental Panel on Climate     Dunes define the coast of the                     years. Dune development along the
climate scientist with a strong national   Change (IPCC) demonstrates his         southwestern North Island from Patea              coast has been delineated through
and international reputation, and four     expertise. He has also been involved   south to Paekakariki. This coastal                detailed soil mapping and the use of
decades of experience in weather and       in the governance of the World         dunefield is the largest in New Zealand           dating techniques such as optically
climate research.                          Climate Research Programme for the     at around 950 km2 in size, with dunes             stimulated luminescence dating which
                                           past eight years. He was awarded the   transgressing inland as far as 18 km              dates the time since dune sand was last
His appointment as a Lead Author           2018 Prime Minister’s Prize for        from the contemporary coast. The                  exposed to the sun.
and Coordinating Lead Author on            Science Communication.                 size of the dunefield reflects key
three Assessment Reports of the                                                   controls on dune-building processes:              For the future the dunes of the
                                                                                  a very high sediment supply; a strong             southwest North Island represent a
                                                                                  onshore wind and wave regime; and                 valuable buffer against the effects of
                                                                                  along much of the coast a low relief              climate and sea-level change driving
                                                                                  nearshore, beach, and back-beach                  erosion of the coast. However, coastal
                                                                                  environment that does not restrict                inundation remains a threat that dunes
                                                                                  dune development.                                 are unlikely to counter.

                                                                                  The dunes of the southwestern North
                                                                                  Island have formed semi-continuously
                                                                                  over approximately the past 8,000

                                                                                                              Dr Alastair Clement
                                                                                                              Dr Alastair Clement is a senior lecturer in physical geography based
                                                                                                              in the School of Agriculture and Environment at Massey University in
                                                                                                              Palmerston North.

                                                                                                              Alastair is a coastal geomorphologist who specialises in
                                                                                                              understanding the evolution of coastal environments in response to
                                                                                                              fluctuations in relative sea-level, changing climatic conditions, and
                                                                                                              the impact of tectonics. Alastair also researches how sea-level has
                                                                                                              changed around the New Zealand coast in the past.

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Whanganui 10-12 March - Annual Conference Ko Te Kawa o Tangaroa, he kawa ora - Living on a dynamic coast - Coastal Restoration Trust
Vegetation and plants on the dynamic coast                                                 Living on a dynamic coast with little, little
from Taranaki to Manawatū                                                                  known insects, monsters and what do we know?
Coastal habitats between South                                                                                                               were predominantly small and
                                                                                           Insect sampling by pitfall traps
Taranaki and Manawatū can be divided                                                                                                         inconspicuous, and their ecology of
                                                                                           along transects in Castlecliff sand
broadly into sea cliffs (mudstone, with                                                                                                      those species is poorly known. Coastal
                                                                                           dunes has shown a diverse beetle
overlying compacted peat, tephra and                                                                                                         restoration often focuses only on
                                                                                           fauna. Differences in beetle species
loess) and dune sands. Within these are                                                                                                      plants, birds and maybe some larger
                                                                                           composition were observed along
gradations of moisture from saturated                                                                                                        known invertebrates.
                                                                                           transects. The differences depend on
to dry. Constructing a picture of the
                                                                                           the land inward distances pitfall traps
pre-human vegetation of the coastal                                                                                                          For seaside restoration to be effective
                                                                                           were set from the sea side edge of the
strip is made difficult by the present-                                                                                                      and all inclusive, it is essential to carry
                                                                                           sand dunes.
day paucity of indigenous vegetation                                                                                                         out research on interactions between
and the lack of written records or                                                                                                           coastal invertebrates, plants and
                                                                                           Accumulation of species richness
other evidence.                            Colin Ogle                                                                                        other animals.
                                                                                           showed that more sampling needs to
                                           Colin Ogle retired in 2000 from his position    be carried out. The species collected
In rural areas, pasture mostly extends     as Conservancy Advisory Scientist with
to the sea clifftops or foredunes where    Department of Conservation (DOC) in
                                           Whanganui.
exotic marram grass (Ammophila
arenaria) dominates; coastal plant         General ecology, with a leaning towards
                                           botany, has always been and continues to
communities have been largely
                                           be his main interest. Since retiring, most of
replaced by plantations and urban          his ecological work has been as a volunteer,
development; weeds have modified           apart from surveying the proposed Waipipi
                                           windfarm site and some part-time lecturing
almost every natural area. Native plant    at Massey University. He has contributed                                     Franz-Rudolf (Rudi) Schnitzler
species have become extinct within the     thousands of plant specimens to national                                     It has been a lifelong passion for Rudi to study entomology, which
                                           herbaria, as well as photos and text to                                      Rudi accomplished late in his life. Rudi has an MSc in Entomology
past three decades and many others
                                           the NZ Plant Conservation Network and                                        and Taxonomy and a PhD in Insect Ecology and Biodiversity.
are regionally or nationally threatened.   i-Naturalist; also bird records to e-Bird;
                                           public lectures on botanical and travel                                      Rudi has worked for Plant & Food Research, Ministry for Primary
                                           themes; worked with local conservation                                       Industries and Landcare Research (New Zealand Arthropod
The mainly southwest aspect of the         groups, especially at Gordon Park Scenic                                     Collection) of which Rudi is still a research associate.
sea cliffs and their freshwater seepages   Reserve.
                                                                                                                        Through his work and volunteer experience Rudi is a generalist
provides a refuge for some plants
                                           Colin is a co-author of recent papers on                                     entomologist. His main passion, however, are flies - particular of the
intolerant of drought, as do dune          new weeds nationally, and monocot weeds                                      family Tachinidae, whose larvae are parasitic on other insects. Rudi
hollows, stream margins, swamps,           of the Manawatū Plains Ecological Region.                                    is semi-retired now and lives in Whanganui.
                                           This last-named paper featured many
lakes and estuaries, but even these wet    weeds of the local dune country (Foxton
areas are changing rapidly, with losses    Ecological District).

of native plant biodiversity.

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Whanganui 10-12 March - Annual Conference Ko Te Kawa o Tangaroa, he kawa ora - Living on a dynamic coast - Coastal Restoration Trust
Field trips/Keeping Safe                                                         Field trips/Map Overview
We will visit locations outdoors in environments that require you to be
responsible for your own health and safety.

Please ensure that you:

•   Have appropriate clothing            •   Keep within safety barriers,
    to deal with the very                    adhere to safety advisory signs
    variable weather conditions,             and instructions, take care
    from water-proof and warm                when crossing roads and keep
    clothing to hats and                     a safe distance from hazards
    sun-block.                               like steep drop-offs, fast
                                             flowing water or other areas
•   Wear footwear appropriate                that might present a safety risk.
    for walking and providing
    proper grip on wet, slippery         •   Inform the conference
    surfaces.                                coordinators before you
                                             leave of any special medical
•   Have any medication and/or               conditions or needs for which       Fieldtrip key
    food/drink you may need on               you may require assistance.
    a trip of some hours.                                                        A10 March/3:50pm		       North Mole/river mouth
                                                                                 					                    and Castlecliff dunes

                                                                                 B11 March/11:00am		      Waverley Coast and
                                                                                 					                    Waipipi Wind Farm

If you don’t have the right clothing please ask a conference coordinator         C11 March/6:00pm		       River trip to Upokongaro on
before you leave on the trip, so that assistance can be provided in finding      					                    MV Waimarie (Conference Dinner)
appropriate gear.
                                                                                 D   12 March /9:00am		   Whanganui River Estuary

                                                                                 E   12 March /11:00am    Koitiata Beach

Have enjoyable, safe and healthy field trips!

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Whanganui 10-12 March - Annual Conference Ko Te Kawa o Tangaroa, he kawa ora - Living on a dynamic coast - Coastal Restoration Trust
3:50-6pm

Castlecliff                                                                Wednesday
                                                                            10 March          Waipipi &                                                                11-5pm
                                                                                                                                                                       Thursday

                                                                                              Waverley Beach                                                           11 March

Between 1908 and 1929 moles, (river         dunes, where the port, river mouth
                                                                                              Local Coastal Geology                      near Waverley. As we travel west from
retaining walls) were built to facilitate   and moles are located. In 2017, the
                                                                                                                                         Whanganui, we pass an example,
better access for coastal shipping. This    Whanganui River was recognised as                 Whanganui’s Coast is an internationally
                                                                                                                                         Rotokawau-Virginia Lake, before
has resulted in a large triangular area     “Te Awa Tupua”, giving it legal rights            significant location for studying the
                                                                                                                                         turning off SH3 onto Brewer Road
of sand accreting on Castlecliff Beach.     of a person, a world first. Te Pūwaha             climate of the last 5 million years. A
                                                                                                                                         then Ihupuku Road. Lake Waiau, a
The shoreline has moved seaward up          (the river mouth), will be the first              quirk of geological history provides
                                                                                                                                         DOC-managed reserve, is on the right,
to two metres annually.                     true community-led exercise for                   a near perfect sequence of exposed
                                                                                                                                         followed by the privately-owned Lake
                                            management of a project under this                sediment layers and coastal terraces
                                                                                                                                         Herengawe. Both have swamps in their
Field trip participants will pass through   new legal status.                                 that have been cleverly interpreted to
                                                                                                                                         upper arms. Herengawe drains into
large rear dunes predominately                                                                illuminate the spectacular rise and fall
                                                                                                                                         the multi-armed Ihupuku Swamp, of
populated by marram grass and Acacia        Graham Pearson,                                   of sea-levels as ice age-interglacial
                                                                                                                                         which 39 ha are DOC-managed as a
sophorae (coastal wattle) to spinifex-      Castlecliff Coast Care Coordinator                cycles sent sea levels up and down
                                                                                                                                         Wildlife Management Reserve. This was
dominated fore dunes. A concrete                                                              hundreds of metres.
                                                                                                                                         probably a dune lake before closing
bunker built in 1946 now sits about
                                                                                                                                         in with harakeke, swamp sedges
150m back from the high tide mark,                                                            20,000 years ago you could have
                                                                                                                                         and shrubs. All these wetlands are
vividly demonstrating the accretion.                                                          walked to Nelson from here. The last
                                                                                                                                         important for wildlife such as fernbird
                                                                                              10,000 years have been exceptionally
                                                                                                                                         and contain nationally and regionally
Castlecliff Coast Care (CCC) work                                                             stable. How far back do we need to
                                                                                                                                         rare flora, including swamp greenhood
on the rear and fore dune areas,                                                              look to see a climate record like what
                                                                                                                                         and lady’s tresses orchids. Some of
planting about 600 native plants                                                              we are now heading for?
                                                                                                                                         the lakes have a significant draw-down
every year and doing weed control.
                                                                                                                                         of water in summer, exposing mats of
Whanganui District Council spends                                                             Local science educator and
                                                                                                                                         wetland plants.
$40-60K annually to remove sand                                                               conservationist Keith Beautrais will try
from coastal infrastructure, CCC hopes                                                        to explain some of this and answer
to demonstrate that the successful                                                            your questions.
retention of sand using native sand
binders will encourage the council to                                                         Between the dunes of Foxton
adopt this approach to sand control.                                                          Ecological District and the raised
Many schools and community groups                                                             terraces of Manawatū Plains Ecological
help with planting and watering.                                                              District is a line of dune swamps and
                                                                                              lakes, impounded against the terraces
The field trip will also visit the                                                            by sand. We are not exploring any of
southern end of the Castlecliff sand                                                          these sites but we will pause twice
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Whanganui                                                                9:00am

                                                                                      Koitiata
                                                                                                                                                                 11:00am
                                                                          Friday

River Estuary
                                                                                                                                                                  Friday
                                                                        12 March                                                                                 12 March

Peter Frost, Ornithologist                  As Whanganui has expanded, the            The Koitiata Wetlands Restoration            (ragwort, lupin, willow, poplar,
                                            estuary’s margins have been reduced       Project is a community initiated             agapanthus, gorse) in the areas in
The Whanganui River Estuary lies at
                                            and extensively modified, undoubtedly     scheme focussing on the Koitiata             front of the village and investigating a
the end of the third longest river in
                                            limiting organic matter and nutrient      Domain Recreation Reserve, an area           change in the water table as a result
New Zealand and the longest navigable                                                 bordered by the village, Santoft Forest,     of land recontouring. We’ve taken a
                                            inputs. Combined with the apparent
one. Over much of its 290km length,                                                   the Turakina River and the coast. This       project approach including identifying
                                            instability of the bottom sediments,
from its headwaters on the northern                                                   is Crown land held for recreation            a project coordinator, developing
                                            driven by periodic strong winds and
flank of Mt Tongariro, it flows through                                               purposes under the Reserves Act,             an overarching plan, securing seed
                                            floods, its productivity seems limited.
often narrow, deeply incised sandstone                                                and Rangitikei District Council are          funding from the Koitiata Residents
                                            Although around 30 wader and
and mudstone gorges flanked, in the                                                   appointed to control and manage it.          Committee, development of resources
                                            waterbird species have been
middle reaches, by native forests of                                                                                               including weed management
                                            recorded, most are transient, using
the Whanganui National Park. Much                                                     The aim of the project is to improve         information sheets, spray diaries and
                                            the estuary as a stop-over point on
of the remaining 7130 km2 catchment                                                   and preserve the ecology of this             undertaking regular communication/
                                            their annual migrations.
has been converted to open pasture,                                                   wetland area so it protects and              engagement activities.
cultivated land and forestry plantations.                                             supports biodiversity and provides an
                                            During 2006–2012, surveys showed
Increased erosion of these friable                                                    area for residents and visitors to explore   Conference attendees will be provided
                                            97% of all 55,000 individuals recorded
soils, both on the surface and through                                                and enjoy. This long term project            with an overview of the area, the
                                            comprised just 10 species, with gulls,
extensive landslip over the past century,                                             includes weed removal, minimising            project and results of recent vegetation
                                            terns and a few waders predominating.     sand blow, water management,                 and bird surveys. Speakers include
has hastened this inflow of sediment
to the Whanganui Estuary, gradually                                                   replanting and improving recreational        Chris Shenton (Ngāti Apa), Jo Anson
                                            This excursion provides an opportunity    access to the area.                          (Project Coordinator), Colin Ogle
infilling it.
                                            to consider several questions. How                                                     (Botanist) and Graeme La Cock (CRT/
                                            relevant is this estuary for native       Along with an active community group         DOC). Members of the project group
Other forces are also affecting the
                                            biodiversity in the wider national        we are partnering with Ngāti Apa,            and partnering organisations will
estuary: water abstraction in the
                                            context? Given the prospects of climate   Department of Conservation, Rangitīkei       then show people around the domain
headwaters for hydropower; nutrient
                                            change, ongoing development, and the      District Council, Horizons Regional          and coastal area explaining the
and chemical runoff from agricultural,
                                            many recreational and other demands       Council, Land-based Training and the         approaches taken to date, challenges
urban and industrial land; and the
                                            being placed on it, what is its future?   Rangitīkei Environmental Group who           encountered and seeking the shared
impact of numerous engineering
                                            Can it be managed better?                 have variously contributed advice,           wisdom of the group.
works—roads, bridges, rock walls in
                                                                                      resources and man power.
the river, groynes, occasional dredging,
                                                                                                                                   We look forward to welcoming you.
stabilised embankments and sundry                                                     In the 6 months the project has
other flood-control measures.                                                         been going, 300 man hours have
                                                                                      been committed to removing weeds
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Ko Te Kawa o Tangaroa, he kawa ora - Living on a dynamic coast                                                              DAY 2 Thursday 11 March 2021
2021 Whanganui Conference Programme                                                              8:30     Trust resources and updates             Tim Park

                                                                                                 9:00     Regional Roundup                        Facilitated by Laura Shaft
                        DAY 1 Wednesday 10 March 2021
                                                                                                                                                  Simon Hoyle and Janet Andrews on video
Time     Topic                                  Speaker/Facilitator                              10:00    CRT projects update
                                                                                                                                                  project, and CRT trustees

8:00     Registration desk opens. Tea and coffee available                                       10:30    Morning tea

         Karakia
                                                John Maihi (Whanganui Iwi)                                                                     Colin Ogle (Botanist)
9:00     Significance of the Awa and the                                                                  Bus travel to Waverley and Waipipi -
                                                Ben Potaka (Whanganui Iwi)                                                                     Keith Beautrais (Science Educator)
         coast to Whanganui Iwi                                                                           Dune lakes and terraces,
                                                                                                 11:00                                         Stewart Reid (Waipipi Windfarm)
                                                                                                          clifftop plant communities, sand
                                                                                                                                               Tama Pokai (Landblocks Shareholders/Te kaahui
10:00    Chairman opens conference              Greg Bennett                                              mining history
                                                                                                                                               o Rauru)

                                                Mayor Hamish McDouall (Whanganui District        5:00pm Return to venue
10:10    Setting the scene for Whanganui        Council) and Councillor Sam Ferguson (Horizons
                                                Regional Council)                                         Conference dinner and live entertainment on Waimarie Paddle Steamer, while
                                                                                                 6:00pm
10:30    Morning tea                                                                                      cruising the Whanganui Awa (at extra cost)

11:00    Session 1                              Facilitated by Greg Bennett

         Dunelands of the southwest North
                                                Alastair Clement (Massey University)
11:00    Island: Driving forces, development,                                                                                   DAY 3 Friday 12 March 2021
         and future scenarios                                                                                                   A field trip to sites south of Whanganui
         Vegetation and plants on the
                                                Colin Ogle (Botanist)                            8:45     Meet for field trip
11:30    dynamic coast from Taranaki to
         Manawatū
                                                                                                          Depart to Yacht Club for estuary
                                                                                                 9:00                                            Peter Frost (Ornithologist)
         Living on a Dynamic Coast                                                                        viewing
12:00    with little, little known insects,     Rudi Schnitzler (Entomologist)
         monsters and what do we know?                                                           10:00    Travel to Koitiata Beach

12:30    Sponsor Talk                           Lizzie Daly (Horizons Regional Council)          10:30    Morning tea

12:40    Lunch                                                                                                                                   Chris Shenton (Ngāti Apa)
                                                                                                          Koitiata Beach
                                                                                                                                                 Jo Anson (Koitiata Wetlands Restoration Project)
                                                                                                 11:00    History, plants, river movement,
                                                Professor James Renwick (Commissioner of the                                                     Colin Ogle (Botanist)
1:40pm Keynote speaker                                                                                    residents’ improvement project
                                                Climate Change Commission)                                                                       Graeme La Cock (CRT/DOC)

                                                Facilitated by Graeme La Cock                    1:00pm Lunch
2:20pm Regional Roundup
                                                                                                 2:00pm Depart Koitiata
3:20pm Afternoon tea

                                               Graham Pearson (Castlecliff Coast Care)           2:30pm Arrive at Languard Bluff viewpoint       (Near airport)
         Field trip to North Mole, river mouth
3:50pm                                         Jock Lee (Port Development)
         and Castlecliff dunes
                                               James Barron (Whanganui District Councillor)      3pm      Farewell

6pm      Return to The Grand/Whanganui                                                           3:30pm Travel to Whanganui airport              AKL flights from Whanganui leave at 4:45pm

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Sponsors
  The Coastal Restoration Trust of New Zealand would like to thank the following
 conference sponsors, without whom this conference and the on-going success of
                         the Trust would not be possible.

                              Gold Sponsor & Host

                                 Silver Sponsor
                                                                                                Useful Websites
                                                                                                      Coastal Restoration Trust:
                                                                                                      www.coastalrestorationtrust.org.nz

                                                                                                            Plant Calculator:
                                                                                        www.coastalrestorationtrust.org.nz/resources/planting-calculator

                                Other Sponsors                                                      Coastal Reference Database:
                                                                                                    https://ref.coastalrestorationtrust.org.nz

                                                                                                                Handbook:
                                                                                   www.coastalrestorationtrust.org.nz/resources/coastal-restoration-handbook

                                                                                                         Monitoring Database:
                                                                                                https://monitoring.coastalrestorationtrust.org.nz

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