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Assessing the impact of sea level rise on blue carbon habitats and restoration opportunity in the Hawke’s Bay Region

Blue carbon ecosystems (i.e. coastal wetlands including saltmarsh and seagrass) have a high capacity to sequester carbon as well as provide a myriad of other ecosystem services (e.g. coastal protection, water filtration and biodiversity enhancement). In blue carbon ecosystems, carbon can be stored for long time periods making the protection and restoration of these ecosystems an important nature- based solution to reducing greenhouse gas emissions, and thereby also contributing to the mitigation and adaptation to climate change. This report provides a spatial analysis of blue carbon ecosystems within the Hawke’s Bay Region and their potential for restoration under present day and sea level rise scenarios. Additionally, we provide a summary of other key ecosystem services provided by blue carbon ecosystems that could be used to inform management decisions.

Author(s): Richard Bulmer, Georgina Flowers, Orlando Lam-Gordillo, Zhanchao Shao, Phoebe Stewart-Sinclair

Publication Date: 31 October 2024

Publication Number: 5671

• Assessing the impact of sea level rise on blue carbon habitats and restoration opportunity in the Hawke’s Bay Region

St John's Particulate Matter Monitoring Methods

A colocation and equivalence study involving 3 different particulate matter monitoring methods at the St Johns air quality monitoring site in Hastings.

Publication Date: 19 August 2024

Publication Number: 5612

• St John's Particulate Matter Monitoring Methods

5665 Impacts of Cyclone Gabrielle on coastal bird populations in Hawke's Bay

A post-cyclone survey was commissioned to document the population size, density and distribution of coastal birds and compare with baseline results

Author(s): Nikki McArthur, Robin Toy and Ryan Bauckham

Publication Date: 31 July 2024

Publication Number: 5665

• 5665 Impacts of Cyclone Gabrielle on coastal bird populations in Hawke's Bay

LiDAR-derived vegetation layers in Hawke's Bay

The project aimed to produce high-resolution vegetation layers that could be used for identifying and mapping different types of vegetation. The list of desired classes was subject to technical feasibility and the priorities of the HBRC team.

Author(s): Jan Schindler, Dr Ashton Eaves

Publication Date: 9 July 2024

Publication Number: 5658

• LiDAR-derived vegetation layers in Hawke's Bay

Improving understanding and management of erosion with LiDAR

Upgrading the existing shallow landslide susceptibility and SedNetNZ models for the region to use higher resolution LiDAR-derived topographic data.

Author(s): Hugh Smith, Andrew Neverman, Harley Betts, Alex Herzig, Dr Ashton Eaves

Publication Date: 9 July 2024

Publication Number: 5659

• Improving understanding and management of erosion with LiDAR

5663 Impacts of Cyclone Gabrielle on the riverbed-nesting shorebirds of the Tukituki, Ngaruroro and Tutaekuri Rivers

A post-cyclone survey was commissioned to compare the population size, density and distribution of riverbed-nesting shorebirds along the Tutaekuri, Ngaruroro and Tukituki Rivesr

Author(s): Nikki McArthur, Warwick Allen, Ryan Bauckham, Annabel Beattie, Jenny Dolton, Ian Flux and Robin Toy

Publication Date: 1 July 2024

Publication Number: 5663

• 5663 Impacts of Cyclone Gabrielle on the riverbed-nesting shorebirds of the Tukituki, Ngaruroro and Tutaekuri Rivers

Mapping slope using Hawke's Bay's LiDAR digital elevation model

The project was to produce layers of slope gradient, S-map / land-use capability slope class, and intensive winter grazing slope class using HBRC's LiDAR DEM, that should be appropriate for land management at the farm scale.

Author(s): Nathan P Odgers, Dr Ashton Eaves

Publication Date: 30 June 2024

Publication Number: 5661

• Mapping slope using Hawke's Bay's LiDAR digital elevation model

Assessing the effectiveness of trees for landslide mitigation in Hawke's Bay

HBRC contracted MWLR to assess the effectiveness of individual trees for reducing the occurrence of rainfall-induced shallow landslides on farms. This was funded through the Extreme Weather Recovery Advice Fund (contract ID C09X2303).

Author(s): Anatolii Tsyplenkov, Hugh Smith, Dr Ashton Eaves

Publication Date: 17 June 2024

Publication Number: 5660

• Assessing the effectiveness of trees for landslide mitigation in Hawke's Bay

State and Trends of River Water Quality - Kahahakuri and Mangaonuku Streams 2016-2021

This report summarises the state of water quality and ecology of the Kahahakuri and Mangaonuku Streams, Tukituki Catchment – Hawke’s Bay 2016-2021.

Author(s): Ariana Mackay

Publication Date: 23 April 2024

Publication Number: 5643

• State and Trends of River Water Quality - Kahahakuri and Mangaonuku Streams 2016-2021

Hawke's Bay 3D Aquifer Mapping Project: Hydrogeology interpretation of SkyTEM-derived resistivity models within the Poukawa and Otane basins

This report focuses on the mapping of groundwater systems in the Poukawa and Otane basins as part of the Hawke's Bay 3D Aquifer Mapping Project (3DAMP)

Author(s): GNS Science, Simon Harper

Publication Date: 15 February 2024

Publication Number: 5628

• Hawke's Bay 3D Aquifer Mapping Project: Hydrogeology interpretation of SkyTEM-derived resistivity models within the Poukawa and Otane basins