Porirua Harbour Seminar Series - Pres 6 - GWRC Presentation on Pauatahanui Revegetation
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Transcript of Porirua Harbour Seminar Series - Pres 6 - GWRC Presentation on Pauatahanui Revegetation
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Catchment Restoration
Pauatahanui
Tim PorteousGreater Wellington Regional Council
Peter HandfordPA Handford & Associates Ltd
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Introduction
Overview
Progress to date
The Future
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Pauatahanui Catchment
Vegetation Framework
Overview
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Origins of the Catchment
Programme
Pauatahanui Inlet Action Plan (2001)
Theme 3: Pauatahanui Inlet Catchment
Pauatahanui Restoration Plan Stage 1 (2002)
Pauatahanui Inlet Restoration Plan - Stage 2 (2004)
Towards Catchment level approach.
Focus on the large rural catchments
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Supported by research Research in 2005 by NIWA examining sediment cores found
sedimentation rates in the order of 4.6 mm/yr (pre forest clearance
rates were around 1mm/yr)
Recent accurate bathymetric survey suggests this an underestimate
Major sediment input apparently coming from large ruralcatchments e.g. Horokiri.
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Catchment Vegetation is Key Particular focus on catchment
vegetation and the benefits itprovides e.g. :
Stabilising steep slopes Stabilising streambanks
Shading & keeping water cool
Filtering sediment and contaminants
Many other benefits tolandowners & the widercommunity
Practical & tangible aspect ofICM
Can be modified relativelyquickly
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Working with landowners Work with and support landowners
Developed from catchmentlandowners input
Planting, land retirement etc that
ene s an owners an ene s e
wider community
Provide a future catchment that
sustains the Porirua Harbour system
and its communities Voluntary, non regulatory
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General Principles Information and understanding is
required first. Good objective info about
the land etc Made available to community in an
accessible way maps, images etc
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General Principles (cont)
Develop a broad community consensus
Based on information an informed
debate
Provide practical help / support on the
ground to move land management in theagreed direction.
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The Process
Prepare information mapsetc for discussions withlandowners.
Landowner consultation Meetings with major
landowners
Mail out to all landowners Drop in meetings
Draft vegetation framework
Feedback Framework Poster
Implementation
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Steepland soil protection
Earthworks management
Coordinated weed & animalpest control
n m s ng con am na on
Flood channel planning
Flood channel maintenance
Streamside planting &protection
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Implementation Property Plans Framework actions at a property level
Coordinator Working with landowners one door
to agency support
Facilitating landowner projects
Catchment agency coordination Land protection forum on ground
managers
Catchment Agency Group strategic
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Vegetation Framework
-Catchment Overview
Subcatchment or farm Plan
Action on Ground
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Pauatahanui CatchmentVegetation Framework
Update on Progress So Far
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Landowner Contacts & Support Over the 05/06 period of
the project Initial mail out to all approx
500 rural landowners
Direct contacts or responsewith 99 landowners (20%)
an owners adrop in days.
Focussed support wherelandowners are interested
in immediateinvolvement to get initialwork programmeunderway.
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Property Planning Whole farm plans for
larger properties Work unit plans for
smaller property
2300 ha of landincluded in propertyplans
21% of the catchmentarea.
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Support Property planning and work unit planning
provided to any landowner where: Steep unstable land, streams, biodiversity values
Landowner is committed to implementing work
Further support is provided where property
scores highly in terms of points, and
significant size, or part of group plan
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Farm Plan Example The Glen
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The GlenFarm Plan
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The Glen Work Units
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Subcatchment Groups
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Subcatcment groups cont
Lower Horokiri
Battle Hill to the Inlet Approx 5km
Approx 40 owners
Started focus 08/09 Working with 9 owners
Around 1km fenced
and/or planted 2009.
Coordinated planning
and work
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Action on the Ground
Supporting landowner action
Initial programme 2007
4000 Plants
700m of fence
Early demonstration
projects
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2008
7,500 Plants
1,150m of fence
5 properties
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Janet & Phillip Reidy
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2009 25,500 Plants
10,500 riparian
15,000 afforestation
950m of fence
12 ro erties
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Barrowside
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Christine & Eric Stonyer
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Successful Funding Bids Leveraging off GW & PCC support
SMF Support for catchment coordinationfor 2 years 2007 - 2009
o vers y on on un AGS
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Communication Catchment newsletter
Landowner open day
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Looking Forward
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Looking forward
Ongoing work but reduced coord funding
Continue current general approach
Property planning
Fencing & planting programme
Afforestation
Retirement
Carbon opportunities Supporting forest harvest best practice
Harvest planning
Operational management
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Looking forward (cont) Horokiri Inlet to Battle Hill
Battle Hill SLM plan projects Lower Horokiri
Buildin scale and sustainin
funding Continuing to reduce costs
Keeping the community part of
what is happening