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There is ongoing concern regarding the potential impact of the degraded Taharua River on
water quality in the upper Mohaka River. Hawke’s Bay Regional Council (HBRC) has
undertaken a longitudinal survey in the Mohaka River to assess the effects of the Taharua
River on the ecology of the Mohaka River. The survey involved the collection of benthic
invertebrate and environmental data at two sites upstream of the confluence and up to
fourteen sites downstream over four sampling occasions. The food base for adult trout is one
area of concern which we address in this report through analysis of the invertebrate (density
and biomass) and environmental data.
Author(s): Cawthron
Publication Date: 1 September 2015
Publication Number: 4816
4774 Upper Tukituki Flood Control Scheme
Author(s): David Carruth
Publication Date: 1 September 2015
Publication Number: 4774
This report covers Issue 3 “Gravel Resource Inventory†identified as one of 13 key issues by Hawke's Bay Regional Council into ways of improving the council's gravel management plan for the Region.
The key objectives of the study are;
ï‚· Identification of resource locations, resource volumes available for potential extraction and aggregate quality.
ï‚· To identify and assess risks in gravel supply and quality.
ï‚· Assist in determining the sustainability of the river based gravel resource.
ï‚· Provide input into the gravel management plan.
The study methodology involved site visits to extraction sites and the main operations, compilation of river production data from HBRC records and reports, compilation into a GIS, interviews with various stakeholder groups including Hawke's Bay Regional Council (HBRC), District Councils, the main producers, individual roading contractors, con
Author(s): Murray Stevens and Barry Larsen
Publication Date: 11 August 2015
Publication Number: 4772
Following a period of severe storms which caused significant erosion on properties in the area,
major sediment generation, and flooding throughout the Elsthorpe district, particularly on the 3rd
and 4th of May 1971, a number of concerned farmers and residents, (Appendix 1), approached the
HB Catchment Board (June 1971) to discuss erosion and associated flooding problems of the area.
A meeting with affected landowners and residents was held on 2nd of August 1971, where it was
resolved that landowners request the Board to investigate the control of erosion and flooding in the
catchment.
A two part report, (General and Economic), was prepared by Mr. G M Jones, Farm Planning Officer
for Board. The reports were presented to the Board in September 1972, for consideration, and
submitted to the Soil Conservation and Rivers Control Council for approval. Financial approval was
finally given in 1978 at a Central Government Grant Rate of 3:1.
Author(s): Neil Faulknor
Publication Date: 1 August 2015
Publication Number: 4765
4530 AM1318 Makara1 Dam Hydrologic Analysis for Outlet Pipe Replacement
Author(s): Craig Goodier (CPEng)
Publication Date: 1 August 2015
Publication Number: 4530
4758 Taruheru River Channel Improvement Options and Modelling Results
Author(s): Craig Goodier (CPEng)
Publication Date: 1 July 2015
Publication Number: 4758
4818 RM16-32 Arable Lysimeter Review and Design Part 1 - 2015
Author(s): A. Lovett
Publication Date: 1 July 2015
Publication Number: 4818
5275 RM 19-152 Assessing Condition of Frost Flat Heathland at Waipunga
Author(s): Mark C Smale, Neil B Fitzgerald
Publication Date: 1 July 2015
Publication Number: 5275
The main air contaminant of concern in urban areas of the Hawkes Bay is PM10, particles in the air less than 10 microns in diameter. Concentrations of PM10 concentrations in Hastings and Napier have exceeded the National Environmental Standard (NES) of 50 μg/m3 since monitoring commenced in 2005. Management measures to achieve the NES for PM10 were introduced via the Regional Resource Management Plan - Air Quality Plan Change 2 (AQP) which became operative in January 2012.
Author(s): Emily Wilton, Environet
Publication Date: 1 July 2015
Publication Number: 4760
This management plan relates primarily to the ca. 24 km reach of the Tutaekuri River from the point of
convergence with the Ngaruroro River, upstream to the Mangaone – Tutaekuri confluence. That reach
of the river is held under a flood control regime including river beach raking, gravel extraction, plant
pest spraying, stop banking, and edge protection and channel diversion works.
Author(s): Adam Forbes
Publication Date: 1 June 2015
Publication Number: 4748
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