Cypress - Reports

• Report: Trees for steep slopes - Cypress
  Dean Satchell, July 2018 (Access: unrestricted)
  In this page: Stand management and siting Individual species requirements and management Milling and Marketing Macrocarpa and cypress have been planted for shelter, shade and aesthetic values for well over 100…

Cypress Development Group reports

• Arilosa cypress at Hanmer
  September 2022 (Access: unrestricted)
  *DRAFT* TREE LOG   LED   SED   HEART LED   HEART SED   LENGTH                         1 A  …
• Kaingaroa Cpt 246/5 and Cpt 179 cypress trials, November 2021
  Dean Satchell, Vaughan Kearns and Toby Stovold, March 2022 (Access: Cypress Development Group)
  Cpt 246/5 Cypress clonal trials We measured these the same day as the Cpt 179 cypress. All Cpt 246/5 cypress clones were planted the same year (2010?). 1. Scion nootka hybrid trials…
• Cypress hybrid selections 2021
  Dean Satchell, October 2021 (Access: unrestricted)
  This report summarises observations from several trials (Taumarunui, Pipiwai, Kaingaroa Cpt 320, Cpt 1002, Tarawera Cpt 30, Silverwood and Balclutha). Nootka hybrid selections Macrocarpa x Nootkatensis hybrid selections: NM 308…
• Progress with cypress clones project
  August 2021 (Access: Cypress Development Group)
  Report for Te Uru Rākau, August 2021 Cypress Development Group of the NZ Farm Forestry Association Background Cypress species are well known in the rural landscape throughout New Zealand, planted…
• 2017 Clonal cypress trial, Silverwood, Central Canterbury
  Dean Satchell and Vaughan Kearns, August 2021 (Access: Cypress Development Group)
  Planted September 2017 (Assessment 12/5/2021). This trial is two separate trials, both randomised single tree plot design (10 replicates in trial 1 and 9 replicates in trial 2), and is a…
• 2017 Clonal cypress trial, Tarawera Compartment 30
  Dean Satchell, Toby Stovold and Vaughan Kearns, June 2021 (Access: Cypress Development Group)
  This Scion clonal hybrid cypress trial was planted in July 2017 in radiata pine cutover, so was 3 2/3 years old at the time measurements were taken during March 2021.…
• 2017 Clonal cypress trial, Compartment 1002, Kaingaroa BOP
  Dean Satchell, Toby Stovold and Vaughan Kearns, June 2021 (Access: Cypress Development Group)
  This Scion clonal hybrid cypress trial was planted in July 2017 in radiata pine cutover, so was 3 2/3 years old at the time measurements were taken during March 2021.  Location…
• 2017 Clonal cypress trial at Cullen's Balclutha
  Neil Cullen, March 2021 (Access: Cypress Development Group)
  This trial is in South Otago at Neil and Pam Cullen's farm. Quote from Neil: "There is quite a bit of variation in the block not surprisingly and even at 3 years…
• Report on Scion cypress trial, Pipiwai Northland
  Dean Satchell, Vaughan Kearns and Toby Stovold, February 2021 (Access: Cypress Development Group)
  This Scion clonal hybrid cypress trial was planted in July 2017 in radiata pine cutover, so was 3 1/2 years old at the time measurements were taken during January 2021.  Using controlled…
• Hybrid cypress clone assessment, August 2020
  Dean Satchell, August 2020 (Access: Friends of cypress,Cypress Development Group)
  Thanks to Toby Stovold from Scion and John Moore from Kaingaroa Timberlands, who kindly assisted with this research, took us to the sites, and provided maps of the plantings. Vaughan…
• Status of cypress trials at Don Tantrums, Taihape, March 2020
  Dean Satchell, March 2020 (Access: unrestricted)
  Don Tantrum planted and mapped several cypress trials on a range of sites on his farm near Taihape from 1990 to 2000, beavering promising material from around New Zealand and…
• Hybrid cypress trials Paparoa road, Taumarunui December 2019
  Charlie Low and Vaughan Kearns, December 2019 (Access: Cypress Development Group)
  NZFFA Visit to FR532/3, 2014 cypress hybrid blocks, Paparoa road, Taumarunui. A single 81-tree block of each of 30 Scion cypress hybrid clones of which 12 were released to tree…
• Vaughan Kearns cypress research trials, Raetihi
  Dean Satchell, May 2019 (Access: Cypress Development Group)
  This report documents some clonal selections made at Vaughan Kearns cypress plantation near Raetihi. These photos, selections and measurements were made in May 2019. The trees were planted winter 2014. dkh…
• Small diameter unpruned cypress sawmilling research 2019
  Dean Satchell, April 2019 (Access: unrestricted)
  Specialty Wood Products partnership cypress sawmilling research - methods, background and objectives for unpruned small diameter cypress sawmilling study conducted in 2019. 6 Ovensii and 8 GH5 twenty-year old unpruned…
• Angus Gordon's Cypress trial at Taihape
  Angus Gordon and Dean Satchell, December 2017 (Access: unrestricted)
  "This trial was set up to experiment with a range of species and provenances to test performance for the site characteristics that exist here, with the range of genetic material…
• Strategic Planning Workshop on Cypress Development 27th October 2017
  Patrick Milne, November 2017 (Access: Cypress Development Group)
  The growing, management and use of cypresses and their wood is well supported by the NZ Farm Forestry Association and its Cypress Action Group (CAG) on behalf of the small…
• Towards Commercialising Cypress as a High-Value Plantation Forest Species
  Dean Satchell, March 2017 (Access: unrestricted)
  Clonal cypress trials were established by the Forest Research Institute (now Scion) between 1994 and 1998 across a range of different regions and locations in New Zealand. Clonal cypress forestry…
• Macrocarpa- Faulkner's strain, Gisborne
  Rodney Faulkner, May 2014 (Access: unrestricted)
  In  1905 My grandfather A.J. Faulkner took up land south of Gisborne. There was little in the way of native bush on these hills and he could see that there…
• Sawmilling of Himalayan cypress (Cupressus cashmeriana) in Northland
  Dean Satchell, September 2010 (Access: unrestricted)
  I am not aware of any work on wood properties or sawmilling of this species in New Zealand. This despite reasonable quantities of C. torulosa timber coming into Canterbury with…
• A compilation of major knowledge gaps for cypresses (2008)
  July 2008 (Access: unrestricted)
  This is list has been drawn from multiple sources, it needs to be prioritised and rigorously pruned down with industry input. Seed source, breeding and propagation Siting and establishment Health Forest…
• Report: Why should industry invest in cypresses? A contract prepared for the Cypress Development Group with the assistance of FIDA
  Jacqui Aimers, January 2008 (Access: unrestricted)
  The aim of this report is to give industry a status report on cypress forestry, including current knowledge and knowledge gaps, and present a business case for investment in cypress…

Specialty Wood Products partnership reports

• Recalculation of Ovensii Bending Strength and Stiffness
  SWP-T154 - Access: Cypress Development Group.
  July 2023
  In terms of bending stiffness, the C. ovensii achieved the SG6 structural grade, in terms of bending strength, the C. ovensii achieved the SG12 structural grade resulting in an overall grade of SG6. To…

• The decay resistance of some wood species used as framing - Final report on the condition of samples
  SWP-T096 - Access: unrestricted.
  July 2023
  Sets of framing samples were exposed in high humidity conditions of 85-90% relative humidity and 25 – 27°C. The species included in this test were: Untreated Cupressus lusitanica. Untreated Douglas fir. Untreated Eucalyptus nitens (installation…

• The condition of Cypress with or without thermal modification L-joints after one year’s field exposure
  SWP-T173 - Access: unrestricted.
  June 2023
  After one year’s exposure, there was no decay on any of the untreated Cupressus lusitanica L-joint samples. No decay was observed on any of the thermally modified Cupressus lusitanica, L-joint samples No decay was…

• The condition of thermally modified cypress and Douglas fir decking after one year’s field exposure
  SWP-T172 - Access: unrestricted.
  June 2023
  After one year exposure, there was no decay on any of the untreated Cupressus macrocarpa, Cupressus lusitanica, Cupressus x.ovensi and Douglas fir decking samples. No decay was observed on any of the thermally modified Cupressus…

• The condition of thermally modified cypress and Douglas fir flat panels after one year’s field exposure
  SWP-T171 - Access: unrestricted.
  June 2023
  After one year exposure at the Whakarewarewa test field site in Rotorua, there was no decay on any of the untreated Cupressus macrocarpa, Cupressus lusitanica, Cupressus x.ovensi and Douglas fir flat panel samples. No…

• Decay rate of Cypress stakes after two year’s exposure at the Whakarewarewa test site
  SWP-T167 - Access: unrestricted.
  June 2023
  Stakes of Cupressus x ovensii grown in Rotoehu and Riverhead, and Cupressus x leylandii (Leyland cypress) were installed in the Whakarewarewa outdoor test area in April 2021. Untreated radiata pine and CCA H4 treated…

• The decay resistance of alternative species in an accelerated framing test Assessment of decay after one year’s exposure
  SWP-T160 - Access: unrestricted.
  March 2023
  Sets of framing samples were exposed in high humidity conditions of 85-90% relative humidity and 25 – 27°C. The species and preservative treatments included in this test were: Eucalyptus fastigata, mixed heartwood\sapwood,…

• Decay rate of Cypress stakes after one year’s exposure at the Whakarewarewa test site
  SWP-T147 - Access: unrestricted.
  July 2022
  Stakes of Cupressus x ovensii grown in Rotoehu and Riverhead, and Cupressus x leylandii (Leyland cypress) were installed in the Whakarewarewa outdoor test area in April 2021. Untreated radiata pine and CCA H4 treated…

• Techno-economic analysis of producing engineered and thermally modified products from specialty wood species
  SWP-T141 - Access: unrestricted.
  January 2022
  This report covers an analysis of making a range of engineered and modified wood products from non-radiata species. The products and wood species considered were: Non-durable eucalypt peeled veneer Non-durable…

• New Zealand Cypress Strategy 2021 – 2041
  SWP-T138 - Access: unrestricted.
  December 2021
  This strategy presents the business case for developing a cypress forest industry, in particular the required market development for cypress timber and growing a plantation industry that is of a…

• Cupressus x ovensii Bending Strength and Stiffness
  SWP-T129- - Access: unrestricted.
  July 2021
  In terms of bending stiffness, the C. ovensii achieved the SG6 structural grade, in terms of bending strength, the C. ovensii achieved the SG10 structural grade resulting in an overall grade of SG6. To…

• Grade recoveries from sawing 22-year-old unpruned cypress clones
  SWP-T116 - Access: unrestricted.
  February 2021
  A Scion clonal cypress trial established in 1997 provided the opportunity to determine the grade recoveries of sawn timber from two cypress clones; GH5 (Cupressus lusitanica) and Ovensii (Cupressus lusitanica…

• Economic modelling of a C. ovensii clonal regimes for a range of growth rates
  SWP-T115 - Access: unrestricted.
  December 2020
  The outcome from this analysis of a short rotation (20 year) no prune and no thin C. x ovensii regime using the FGR Cypress Calculator appears to be profitable based…

• A Strategy for the NZ Cypress Industry: Workshop report and draft action plan
  SWP-T112 - Access: unrestricted.
  November 2020
  This document follows from Discussion Document produced by the Cypress Strategy Working Group in August 2020. Twenty participants from across the cypress value chain took part in a workshop in…

• NZ Cypress Forestry Strategy - Stage One 2019-2020
  SWP-T099 - Access: unrestricted.
  November 2020
  Interim report – industry consultation; forest resource analysis; draft strategy development Outcomes of consultation with corporate growers and the harvesting and marketing and consultancy sectors

• Dimensional Stability of Specialty Species (final report)
  SWP-T090 - Access: unrestricted.
  December 2019
  Changes in the moisture content of wood changes its dimensions. The magnitude of these changes (dimensional stability) can have a large impact on how the wood performs in service. Poor…

• Non-destructive detection of the heartwood-sapwood barrier
  SWP-T088 - Access: NZFFA membership. This SWP report shall at all times be kept confidential and not directly or indirectly be made available to anyone who is not an SWP member.
  September 2019
  This study examined the feasibility of using synthetic aperture radar (SAR) imaging to identify the heartwood-sapwood barrier in trees (Eucalyptus globoidea, Eucalyptus bosistoana and Cupressus ovensii). The dielectric properties measured of…

• Thermal Modification of Specialty Species Results of Scion’s SSIF-funded experiments
  SWP-T086 - Access: unrestricted.
  September 2019
  The problem The objective of this work is to improve the properties of two specialty wood species (Eucalyptus nitens and Cupressus lusitanica) through thermal modification. Thermal modification darkens the colour…

• Dimensional Stability of Specialty Species (interim report)
  SWP-T074 - Access: unrestricted.
  May 2019
  Dimensional changes caused by changes in wood moisture content (dimensional stability) can have a large impact on how the wood performs in service. Poor dimensional stability can lead to cracking,…

• Identifying processing opportunities for key specialty tree species; - processing options analysis using the WoodScape model
  SWP-T073 - Access: unrestricted.
  May 2019
  The Specialty Wood Products Research Partnership wish to know where there are opportunities to develop processing of Douglas-fir, Cypress and Eucalyptus species (nitens and fastigata). A previous report covers the…

• Identifying processing opportunities for key specialty tree species – resource analysis
  SWP-T068 - Access: unrestricted.
  May 2019
  This report covers the current and projected supply of Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco), Cypresses and Eucalyptus nitens (Deane & Maiden) Maiden across all the major wood supply regions of…

• The decay resistance of some wood species used as framing - Progress report on the condition of samples
  SWP-T064 - Access: Executive. This SWP report shall at all times be kept confidential and not directly or indirectly be made available to anyone who is not an SWP member.
  September 2018
  Sets of framing samples were exposed in high humidity conditions of 85-90% relative humidity and 25 – 27°C. The species included in this test were: untreated Cupressus lusitanica untreated Douglas-fir…

• Thermal Modification of Specialty Species: Results of Scion’s Core Funded Experiments
  SWP-T063 - Access: unrestricted.
  August 2018
  The objective of this work is to improve the properties of two specialty wood species (Eucalyptus nitens and Cupressus lusitanica) through thermal modification. Key results The major findings of this study…

• LVL Stiffness Calculator User Guide
  SWP-T059 - Access: unrestricted.
  June 2018
  This software is only intended to be used as a decision tool that enables questions to be asked about the potential suitability of a wood resource being able to supply a range of LVL grades.…

Other reports

• Risk analysis for cypress species relevant to forestry to inform biosecurity response
  Lindsay Bulman & Ian Hood, Scion, October 2018 (Access: unrestricted)
  The Ministry for Primary Industries (MPI) has to make decisions on whether to attempt eradication of new cypress pests based on incomplete information. Under GIA Deed partnership the forest industry…