draft revised kaihu river management plan - Northland Regional ...

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Northland Regional CouncilTABLE OF CONTENTS1. Objective ...............................................................................................................- 2 -2. Description of Kaihu River.....................................................................................- 2 -2.1. The Lower Sections - Section 1 - 2 .......................................................................- 3 -2.2. Parore to Rotu - Section 3.....................................................................................- 3 -2.3. Narrow Floodplain - Section 4...............................................................................- 3 -2.4. Poplar Trees - Section 5 .......................................................................................- 4 -2.5. Trapped Gravels - Section 6 .................................................................................- 4 -3. River Maintenance Plan ........................................................................................- 4 -3.1. Spray Ricegrass....................................................................................................- 4 -3.2. Machine Clean ......................................................................................................- 4 -3.3. Clean Inside Bends ...............................................................................................- 5 -3.4. Spray Willows........................................................................................................- 5 -3.5. Remove Fallen Debris That Dam The River .........................................................- 5 -3.6. Gravel Management..............................................................................................- 5 -3.7. River Cross Section Survey ..................................................................................- 6 -4. Proposed Annual Work Programme and Indicative Costings ...............................- 6 -Reference:.......................................................................................................................13Kaihu River Maintenance Plan 2010-2016 - 1 -
Northland Regional CouncilKAIHU RIVER MAINTENANCE PLAN 2010-2016Northland Regional Council1. ObjectiveEstablish an annual river maintenance programme for the Kaihu Riverfrom Year 2010 to Year 2016. This programme will serve as a yearlyschedule of activities in relation to river maintenance work in Kaihu.2. Description of Kaihu RiverFor river management purposes the Kaihu River is divided into sixsections. The sections are defined in accordance with the relevant riverworks. Figure 1 shows the different sections of the river:Figure 2 Kaihu River Secton Map.Kaihu River Maintenance Plan 2010-2016 - 2 -
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draft revised kaihu river management plan - Northland Regional ...

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