KANIERE FORKS AND MCKAY’S CREEK HEPS RE-CONSENTING ... · KANIERE FORKS AND MCKAY’S CREEK HEPS...

KANIERE FORKS AND MCKAY’S CREEK HEPS RE-CONSENTING TRUSTPOWER LIMITED

C09080_005_Terrestrial_Ecology_Assessment_20101119.doc 97

relation to the vegetation and habitats removed during the proposed KNF and MKY enhancements. Larger areas would be required if habitats were in very good condition and required very little rehabilitation, or if habitats were very degraded and their potential for successful rehabilitation was lower. Other options that TPL could consider as part of an off-set mitigation package include:

1. Revegetating the existing cleared corridor associated with the penstock above Kaniere Forks Power Station if this is decommissioned (0.343 ha); and/or

2. Negotiating a land swap with DOC, involving the parcel of land owned by TPL on the northern side of the Kaniere River at McKays Weir (0.4046 ha). This land parcel is surrounded by high value public conservation land supporting intact rimu-miro/kamahi forest. It is has been modified to some degree, but supports some secondary kahikatea forest on an alluvial landform.



10 Conclusion The enhanced Scheme is not anticipated to have any significant adverse effects on bird habitats or the bird communities of Lake Kaniere, or the Kaniere River. With regard to the proposed MKY HEPS enhancement, where construction works are within the existing HEPS footprint, the effects on vegetation communities and the habitats of terrestrial birds and fauna are minor. The removal, disturbance and fragmentation of vegetation communities and faunal habitats along the proposed new section of water race will have adverse effects on terrestrial ecological values. Mitigation (including off-set mitigation) is recommended to avoid, minimise and remedy the adverse effects of the proposed MKY enhancement. The proposed KNF HEPS enhancement will have short-term effects on terrestrial avifauna during construction as well as long-term effects relating to the loss of feeding, roosting and nesting habitat, habitat fragmentation and modification. As well as a number of potential short-term effects associated with construction works, the proposed enhancement will also result in the removal of 4.9 ha of ecologically valuable vegetation communities along the entire length of the construction envelope. This will have a number of significant adverse effects on terrestrial ecology values. A substantial mitigation package will be required to avoid, mitigate or remedy these effects. Off-set mitigation is recommended to mitigate the permanent loss of ecologically valuable vegetation communities and habitats within public conservation land. Details of a potential ‘mitigation package’ for the proposed MKY and KNF enhancements have not been finalised. Without this detail, it is difficult to assess whether the balance of the potential effects against the proposed mitigation will result in a net positive or negative environmental outcome. If the recommended mitigation is implemented and appropriate construction and post construction management plans are developed and adhered to, it is possible that there could be an overall environmental gain, particularly if there is strong ecological input into the development of both the mitigation package and management plans.



References

ATKINSON I.A.E. 1985. Derivation of vegetation mapping units for an ecological survey of Tongariro National Park, North Island , New Zealand. New Zealand Journal of Botany 23: 361-378.

AWIMBO, J.A., NORTON, D.A. 1996. An evaluation of representativeness for nature conservation, Hokitika Ecological District, New Zealand. Biological Conservation, 75 (2): 177 – 186.

BARLOW, M. 1983. Territories of South Island fernbirds (Bowdleria punctata punctata). Notornis 30: 199-218.

BEGON, M., HARPER, J.L., TOWNSEND C.R. 1996. Ecology – Individuals, Populations and Communities. (Third Edition). Blackwell Science, Cambridge. 1068 p.

BELL, D.J. 2009: Distribution of NZ falcon (Falco novaeseelandiae) in New Zealand 2006-09. Native Birds Taranaki, New Plymouth. 23 p.

BEST, H. A. 1985. Readers Digest, Complete Book of New Zealand Birds. Readers Digest Services. New South Wales, Australia.

BOFFA MISKELL LIMITED, 2005. McKay’s and Kaniere Hydro Electric Power Station: Potential Reconsenting Issues – Terrestrial Ecological Assessment. Report prepared for Anderson Lloyd Caudwell on behalf of TrustPower Limited. 12 p + Appendix.

BOFFA MISKELL LIMITED, 2009. Kaniere Forks Hydroelectric Power Scheme Re-consenting: Lake Kaniere Bird Surveys, December 2007 and 2008. Report prepared for Anderson Lloyd Caudwell on behalf of TrustPower Limited. 14 p.

BROWN, K., INNES J., SHORTEN, R. 1993. Evidence that possums prey on and scavenge bird’s eggs, birds and mammals. Notornis. 40(3): 169-177.

CLARKSON, B.R., SORRELL, B.K., REEVES, P.N., CHAMPION, P.D., PARTRIDGE, T.R., CLARKSON, B.D. 2004. Handbook for Monitoring Wetland Condition (Revised October 2004). Coordinated Monitoring of New Zealand Wetlands. A Ministry for the Environment Sustainable Management Fund Project.

DAVIES-COLLEY, R. J., PAYNE, G. W., VAN ELSWIJK, M. 2000. Microclimate gradients across a forest edge. New Zealand Journal of Ecology. 24 (2): 111-121.

DEPARTMENT OF CONSERVATION. Kaniere Water Race Walkway – Biodiversity. Unpublished information sheet. Hokitika Area Office.



HEATHER, B. D., ROBERTSON, H.A. 1996. The Field Guide to the Birds of New Zealand. Penguin Books Ltd, Auckland. 432 p.

HITCHMOUGH, R.A., HOARE, J.M., JAMIESON, H; NEWMAN, D; TOCHER, M.D., ANDERSON, P.J., LETTINK M., WHITAKER, A.H. 2009. Conservation status of New Zealand reptiles, 2010. New Zealand Journal of Zoology, 37 (3): 203 – 224.

HURST J.M. ALLEN, R.B. 2007. The RECCE Method for Describing New Zealand Vegetation - Expanded Manual. Version 4. Landcare Research Contract Report LC0708/029.

JAMES, M., MARK, A., SINGLE, M. 2002. Lake Managers Handbook. Lake Level Management. Prepared for the Ministry for the Environment. Ministry for the Environment, Wellington. 86 p.

JENSEN, L.A., SNOYINK, R.J. 2005. The distribution and numbers of Australasian crested grebe (kamana) in New Zealand, January 2004. Notornis 52: 34-42.

JOHNSON, P.N. 1972. Applied ecological studies of shoreline vegetation at Lakes Manapouri and Te Anau, Fiordland. Part 2: The lake edge flora – habitats and relations to lake levels. Proceedings of the New Zealand Ecological Society. 19: 120-142.

KUSHLAN, J.A. 1986. Responses of wading birds to seasonally fluctuating water levels: strategies and their limits. Colonial Waterbirds 9: 155-162.

MARK, A.F. JOHNSON, P.N. WILSON, J.B. 1977. Factors involved in the recent mortality of plants from forest and scrub along the Lake Te Anau shoreline, Fiordland. Proceedings of the New Zealand Ecological Society. 24: 34-42.

McEWEN, W. M. 1987. Ecological Regions and Districts of New Zealand. Third revised edition in four 1:500 000 maps. Report produced for Department of Conservation, Wellington.

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NORTON, D.A. 2002. Edge effects in a lowland temperate New Zealand rain forest. DOC Science Internal Series 27. Department of Conservation, Wellington. 33 p.

NORTON, D.A., ROPER-LINDSAY, J. 2004. Assessing significance for biodiversity conservation on private land in New Zealand. New Zealand Journal of Ecology 28: 295-305.



O’DONNELL, C.F.J. 1996. Predators and the decline of New Zealand forest birds: an introduction to the hole-nesting bird and predator programme. New Zealand Journal of Zoology. 23: 213-219.

O’DONNELL, C.F.J. 2001. Advances in New Zealand mammology 1990–2001: long-tailed bat. Journal of the Royal Society of New Zealand 31: 43–57.

OSNZ NEWS. 1977. Supplement to Notornis 24(3).

ROBERTSON, C.J.R., HYVONEN, P.; FRASER, M.J., PICKARD, C.R. 2007. Atlas of bird distribution in New Zealand 1999–2004. The Ornithological Society of New Zealand, Wellington. 533 p.

RYDER CONSULTING 2010. McKay’s Creek/Kaniere Forks Hydroelectric Power Scheme Reconsenting: Aquatic Ecology Assessment of Effects. Report Prepared for Chancery Green.

SAGAR, P., KELLY, G. 2005. Wahapo and MacKay’s Creek Hydro Electric Power Schemes Resource Consents Ecological (Avifauna) Scoping Study. NIWA Client Report CHC2005-140 prepared for Anderson Lloyd Caudwell on behalf of TrustPower Limited. 15 p.

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TRUSTPOWER LIMITED 2010b. McKay’s Creek Hydro-electric Power Scheme Enhancement: Feasibility and Scoping Report Prepared for Scheme Re-consenting.

TRUSTPOWER LIMITED 2010c. Kaniere Hydro-electric Power Scheme - Wards Road Enhancement: Feasibility and Scoping Report for Scheme Re-consenting.



WALKER, S., Cieraad, E., Grove, P., Lloyd, K., Myers, S., Park, T., Porteous, T. 2007. Guide for Users of the Threatened Environment Classification. Version 1.1. Landcare Research. 35 p.

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WEST COAST REGIONAL COUNCIL. 2007. West Coast Regional Council – Proposed Water Management Plan. June 2007. 135 p.

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WHALEY, K.J., CLARKSON, B.D. LEATHWICK, J.R. 1995. Assessment of criteria used to determine ‘significance’ of natural areas in relation to section 6(c) of the Resource Management Act (1991). Landcare Research Contract Report: LC9596/021.

WHITAKER T., LYALL, J. 2004. Conservation of Lizards in West Coast/Tai Poutini Conservancy. Department of Conservation, Wellington. 93 p.

WILLIAMS, M. 2004. Bird communities of lakes and wetlands. Pp. 26.1 – 26.11 In: Harding, J.S.; Mosley, M.P.; Pearson, C.P.; and Sorrel, B.K. (editors) Freshwaters of New Zealand. New Zealand Hydrological Society Inc. and New Zealand Limnological Society Inc. Christchurch, New Zealand. 764 p.

YOUNG, A. AND MITCHELL, N. 1994. Microclimate and vegetation edge effects in a fragmented podocarp-broadleaf forest in New Zealand. Biological Conservation 67: 63-72



Appendix 1: Maps

Topo data sourced from LINZ topo data. Crown copyright reserved© Boffa Miskell Ltd 2008

Legend

Water races

Kaniere water race

McKay's water race

File Ref: C09080_eco_report_graphics.indd

www.boffamiskell.co.nz

KANIERE/MCKAYS RE-CONSENTING

Date: 10 November 2010

Plan prepared for Trustpower by Boffa Miskell Limited

Author: [email protected] | Checked: GMW

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Map 1Scheme Location Plan

Hokitika

1:100,000 @ A4

3km0

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LAKE KANIERE RD

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ARAWHATARAKI

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Overview Map Extent

Hok

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McKaysWater Race

Kaniere Water RaceKaniere River

Lake Kaniere

LakeKaniere

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Butchers C

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Sunny Bight

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See 'Project Overview Sheet 2 - Kaniere Forks Enhancement'

See 'Project Overview Sheet 3 - McKays Creek Enhancement'

Location Map1:250,000Scale - (A3)

ExistingPowerStation

! ! 11kv Transmission Line

Kaniere Walking Track

Water Races1:30,000 @ A3

1km0

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File Ref: C09080_eco_report_graphics_A3.indd


KANIERE/MACKAYS RE-CONSENTINGThese plans and drawings have been produced as a result of information provided by the client and/or sourced by or provided to Boffa Miskell Limited by a third party for the purposes of providing the services. No responsibility is taken by Boffa Miskell Limited for any liability or action arising from any incomplete or inaccurate information provided to Boffa Miskell Limited (whether from the client or a third party). These plans/drawings are provided to the client for the benefi t and use by the client and for the purpose for which it is intended. © Boffa Miskell Limited 2010




Map 2

Data Sources:Topographic data and aerial photo sourced from LINZ,Crown copyright reserved.

Project Overview Sheet 1 - Existing Scheme

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LAKE KANIERE RD

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Legend

!( Power Station

Chainage Markers

Tunnel

Existing Water Race withAdjacent Walking Track

Proposed Canal

Penstock Option 1

Penstock Option 2

Tail Race

! ! Tranmission Line

Construction Envelope

Project Overview Sheet 2

Kaniere River

Lake Kaniere

Location Map

TemporaryWorks andLaydown

000m

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Proposed PenstockIntake, Option 1

ProposedBufferStorage

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ProposedBufferStorage

Lake Kaniereweir and intake(The Landing)

Location Map1:100,000 (A3)Scale -



Tail Race

PenstockOption 1

PenstockOption 2

UpgradedArmcoCulvert

Proposed PenstockIntake, Option 2

New KaniereForks PowerStation







Map 2aProject Overview Sheet 2 - Kaniere Forks Enhancement

1:10,000 @ A3

300m0

Data Sources:Topographic data and aerial photo sourced from LINZ,Crown copyright reserved.Engineering data supplied by Riley Consultans Limited

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LAKE KANIERE RD

LAKE KANIERE RD

Legend

!( Existing Power Station

!( Proposed Power Station

Chainage Markers

Tunnel Bypass Option C

Tunnel Bypass Option D

Penstock

Tail Race

Existing Water Race withAdjacent Walking Track

Construction Envelope

Headpond

Likely Fill Areas(Subject to FarmersApproval)


Kaniere River

Location Map

Tail Race

000m

1:100,000 (A3)Scale -

100m

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2800m2900m3000m3100m3200m3300m

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ExistingMcKays CreekPower Station

NewMcKaysPenstock

ProposedHead Pond

ExistingTunnel

Proposed NewSection ofWater Race

Lake KaniereRoad Bridge

ExistingSyphon

ExistingCoal CreekFlume

ExistingMcKaysWeir

Likely Fill Areas(Subject to

Farmers Approval)

New McKaysCreek PowerStation

ExistingKaniere ForksPower Station







Map 2bProject Overview Sheet 3 - McKays Creek Enhancement

1:10,000 @ A3

300m0

Data Sources:Topographic data and aerial photo sourced from LINZ,Crown copyright reserved.Engineering data supplied by Riley Consultans Limited

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Conservation AreaBlue Spur Range


Conservation AreaKaniere Forest

ScenicReserve

LakeKaniere

Wards Road

Lake Kaniere Road

Scenic Reserve - Lake Kaniere

Conservation AreaKaniere Farm

Kaniere Ecological Area

Back Creek Swamp Wildlife Management Reserve


Conservation AreaBlue Spur Road

AmenityArea

Milltown

Lake Mudgie

Conservation Area - Kawhaka Creek

Kaniere River

Scenic ReserveKaniere Forks

Acclimatisation ReserveLake Kaniere

Raft Creek

Quarry ReservePalmer Creek

Scenic ReserveKawhaka Creek

Brennans Creek- Keenans Creek

Duck CreekKokatahi Recreation Reserve

Palmer Creek Gravel Reserve

Kokatahi Agricultural and Pastoral ShowgroundDuck Creek - Esplanade Reserve

Kokatahi - Esplanade Reserve

Conservation AreaHans Bay-Lake Kaniere

Legend

"HEPS Infrastructure

Water racesRoads

Rivers

Conservation Estate

Amenity Area

Ecological Area

Fixed Marginal StripStewardship Area

Local Purpose Reserve

Scenic Reserve

1:50,000´ 22 September 2010Scale -

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Kaniere Landingintake weir

McKay'sWeir

Kaniere ForksPower Station

McKay'sPowerStation

LakeKaniere

McKay'sWaterRace

Kaniere Forks Water Race

Wards RoadPower Station







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Map 3Land Status

1:50,000 @ A4

1.5km0

Date: 22 September 2010

0 0.5 km

1:50,000°

LegendVegetation Types

(Coprosma / twiggy tree daisy) / Phormium flaxland

(Kahikatea) / Phormium flaxland

Oioi reedland

Carex sedgeland

Mingimingi shrubland

Coprosma / twiggy tree daisy scrub

Kahikatea forest

Kutakuta reedland

Square sedge reedland

Open water

Phormium flaxland

Westland totara - mountain toatoa treeland

Raupo reedland







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Map 4Lake Kaniere Riparian Wetlands: Overview Map

1:50,000 @ A4

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See Map 5a

See Map 5b

See Map 6

See Map 7

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Carex sedgeland

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Open water

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Map 5Lake Kaniere Riparian Wetlands: Northern Section

Map

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(Coprosma / twiggy tree daisy) / Phormium flaxland


Oioi reedland

Coprosma / twiggy tree daisy scrub

Kahikatea forest

Square sedge reedland

Phormium flaxland

Westland totara - Mountain toatoa treeland







Map 6Lake Kaniere Riparian Wetlands: Middle Section

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19


Coprosma shrubland

Kahikatea forest

Kutakuta reedland

Phormium flaxland

Raupo reedland







Map 7Lake Kaniere Riparian Wetlands: Southern Section

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0 0.07 km

Projection: NZTMData Sources: Aerials: Bing; Construction Envelope: TrustPower

1:12,500

Legend

ââ Transmission line

Proposed construction envelope

Vegetation type

Wards Road Vegetation (see Map 9)

Cleared: fernland/shrubland

Primary rimu-miro / kamahi-quintinia forest

Manuka scrub

Secondary rimu / mountain toatoa-quintinia-rata forest

(silver pine) / manuka scrub

Weeping matipo scrub

N/A

´

Wards Road

Kaniere River

Lake Kaniere Road







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Map 8KNF Enhancement Vegetation Communities

1:12,500 @ A4

375m0

Topo data sourced from LINZ topo data. Crown copyright reserved© Boffa Miskell Ltd 2008

Legend

Water races

Kaniere water race

McKay's water race

Location Plan (nts)

Wards Road Wetland| Date: 22 September 2010

0 0.0075 km

1:2,000 @ A3°

LegendProposed construction envelope

Vegetation types

(silver pine) / manuka scrub

Carex sedgeland

Mingimingi shrubland

Mingimingi shrubland / Carex

Manuka shrubland

Silver pine forest

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Phormium flaxland / Sphagnum

Wards Road







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Map 9Vegetation Communities at Wards Road

1:2,000 @ A4

60m0

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Legend!( Long Tailed Bat recorded

!( No bats recorded

1:100,000´







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Map 10Bat Survey Locations

1:100,000 @ A4

3km0

Data Sources:Bats data sourced from DOC.Topo map sourced from LINZ, Crown copyright reserved.



0 0.04 km

Projection: NZTMData Sources: Aerials: Bing; Construction Envelope: TrustPower

1:7,500

Legend

Water race construction envelope

Vegetation type

Gorse scrub

Primary rimu / kamahi forest

Secondary kamahi / quinitina forest

Soft tree fern - rough tree fern tree-fernland

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Map 11New McKays Water Race Vegetation

1:10,000 @ A4

300m0

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1:10,000

Legend! 'Habitat trees'








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Map 12KNF Habitat Trees

1:10,000 @ A4

300m0

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0 0.08 km

°N

1:10,000

Legend

! Recce plot locations








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Map 13KNF Enhancement Recce Plot Locations

1:10,000 @ A4

300m0



Appendix 2: Scientific names of plant species recorded during site investigations or mentioned in the text * Denotes an exotic species

Common name Scientific name

Acaena novae-zelandiae Red bidibid Agrostis capillaris* Browntop Agrostis stolonifera* Creeping bent Anthoxanthum odoratum Sweet vernal Apodasmia similis Jointed wire rush Aristotelia serrata Wineberry Ascarina lucida var. lucida Hutu Asplenium appendiculatum Spleenwort Asplenium bulbiferum Hen and chicken fern Asplenium flaccidum Drooping spleenwort Astelia grandis Swamp astelia Baumea tenax Blechnum discolor Crown fern Blechnum fluviatile Kiwikiwi Blechnum minus Swamp kiokio Blechnum novaezelandiae Kiokio Blechnum penna-marina Little hard fern Blechnum procerum Small kiokio Carex coriacea Cutty grass Carex maorica Carex secta Purei Carex sinclairii Carex sp. Carex virgata Swamp sedge Carmichaelia sp. Native broom Carpodetus serratus Putaputaweta Cirsium sp.* Thistle Clematis forsteri Small white clematis Clematis vitalba Old man’s beard Coprosma areolata Thin-leaved coprosma




Coprosma foetidissima Stinkwood Coprosma grandifolia Large-leaved coprosma/Kanono Coprosma lucida Karamu Coprosma propinqua Mingimingi Coprosma sp. Coprosma tayloriae Coprosma tenuicaulis Swamp coprosma Cordyline australis Cabbage tree Coriaria arborea Tutu Cortaderia richardii Toetoe Cotoneaster sp* Cotoneaster Crocosmia x crocosmiiflora* Montbretia Ctenopteris heterophylla Comb fern Cyathea smithii Soft tree fern/ponga Dacrycarpus dacrydioides Kahikatea Dacrydium cupressinum Rimu Dawsonia superba Giant moss Dianella nigra Ink berry/Turutu Dicksonia squarrosa Rough tree fern/Wheki Digitalis purpurea* Foxglove Dracophyllum longifolium Inanga Earina aestivalis Bamboo orchid Earina autumnalis Easter orchid Elaeocarpus dentatus Hinau Elaeocarpus hookerianus Pokaka Eleocharis acuta Sharp spike sedge Eleocharis sphacelata Tall spike sedge/Kutakuta Epilobium pallidiflorum Tarawera Freycinetia banksii Kiekie Fuchsia excorticata Kotukutuku Gahnia rigida Galium trilobum Native bedstraw Gaultheria antipoda Bush snowberry Gaultheria rupestris Gleichenia dicarpa Tangle fern Grammitis billardierei Common strap fern Griselinia littoralis Broadleaf Gunnera monoica




Gunnera prorepens Hebe salicifolia Koromiko Hedycarya arborea Porokaiwhiri Helichrysum filicaule Creeping or slender everlasting daisy Hoheria glabrata Mountain lacebark Holcus lanatus* Yorkshire fog Huperzia varia Hydrocotyle heteromeria Waxweed Hydrocotyle novae-zeelandiae Hymenophyllum bivalve Filmy fern Hymenophyllum demissum Drooping filmy fern Hypolepis ambigua Hypolepis millefolium Thousand leaved fern Ileostylus micranthus Green mistletoe Juncus acuminatus* Sharp-fruited rush Juncus bulbosus* Bulbous rush Juncus edgariae Wiwi Juncus effusus* Leafless rush Lepidosperma australe Square sedge Leptecophylla juniperina Prickly mingimingi Leptinella sp. Leptopteris superba Prince of Wales feathers Leptospermum scoparium Manuka Leycesteria formosa* Himalayan honeysuckle Libertia pulcella Libocedrus bidwillii Kaikawaka Lolium perenne* Perennial rye grass Lotus pedunculatus* Lotus Lycopodium fastigiatum Alpine clubmoss Lycopodium scariosum Creeping clubmoss Manoao colensoi Silver pine Melicope simplex Poataniwha Melicytus ramiflorus Mahoe Metrosideros diffusa White rata Metrosideros fulgens Rata Metrosideros perforata White rata Metrosideros umbellata Southern rata Microlaena avenacea Bush rice grass

KANIERE FORKS AND MCKAY’S CREEK HEPS RE-CONSENTING ... · KANIERE FORKS AND MCKAY’S CREEK HEPS...

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Transcript of KANIERE FORKS AND MCKAY’S CREEK HEPS RE-CONSENTING ... · KANIERE FORKS AND MCKAY’S CREEK HEPS...