Diameter Breast Height – Where Does it Start From, Ground Level Right?
7/02/2012 2:50:00 p.m.
A discussion recently arose on "what should be considered as the starting point for measurement of diameter breast height, that is at what point does the stump height / tree stem start". Seems simple doesn't it; "high side of the tree at ground level" Well this forest type had a... |
GPS Accuracy Estimate (EPE) What is It ?
7/02/2012 1:58:00 p.m.
The use of recreational grade GPS (for example Garmin 60csx or Garmin 62S) is now standard practice for the location of forest inventory plots in New Zealand and Australia. We recently reviewed a few questions regarding the accuracy and precision of these GPS units, with many in the industry not... |
A Move to Variable-Form Tree / Stem Taper Equations
4/02/2012 2:47:00 p.m.
History of Stem / Tree Taper Equation Development
Taper equations can be used to provide predictions of inside bark diameter at any point along the tree stem and stem volume based on widely recorded tree dimensions. Equations that can accurately predict tree diameter at any point of the stem based on... |
Interpine Conducting a Review of Forest Mensuration Equipment from Haglof Sweden
20/01/2012 4:13:00 p.m.
Interpine is working closely with Halgof Sweden in 2012 to review the cost effectiveness of deployment of a range of Haglof forest mensuration equipment in NZ and Australia. Based in Northern Sweden, Haglof has been developing and building professional measurement equipment for the forest industry world-wide for many years.
Many... |
Guide to PlotSafe Data Collection – ETS Forest Measurement Approach – V1 Released
18/01/2012 1:57:00 p.m.
A freely available publication and data collection template is now available to help forest owners and forest inventory providers with electronically capturing carbon forest inventory data for the MAF Emission Trading Scheme (ETS) Forest Measurement Approach (FMA).
The manual is a free download from the www.interpine.co.nz website, with only free online registration required... |
ETS FMA Standardised Inventory Systems for Collection and Analysis
9/12/2011 4:18:00 p.m.
The New Zealand ForestTech 2011 conference was held recently in Rotorua. Interpine's David Herries presented to the delegates a review of a standardised data collection system for electronic collection, storage and export of carbon forest inventory measurement data collected for the ETS FMA (emissions trading scheme forest measurement approach) into... |
How Effective are LiDAR-based Forest Inventory Systems ?
9/12/2011 2:23:00 p.m.
ForestTech 2011 has held in late 2011 in both Australia and New Zealand. Interpine's Jonathan Dash and Hamish Marshall presented a discussion on Interpine's involvement in a range of trial work relating to LiDAR analysis. A quick overview of use and role of LiDAR in forest inventory systems was covered.... |
Forest Edges: Walkthrough Solution Alternative to the Plot Mirage Method
28/10/2011 5:41:00 p.m.
Existing popular methods such as the "plot mirage method" (Schmid-Haas, 1969) for eliminating bias due to boundary overlap suffer some disadvantages in practical use;
having to establish a duplicate plot outside the forest edge which might not always be possible (water body, cliff, or private land boundaries),
needing to assume... |
COURSE: Forestry Orientated LiDAR Analysis – 29th November 2011
27/10/2011 11:49:00 p.m.
This is an introductory course learning how to manipulate and process LiDAR datasets, with a specific focus on forestry derived outputs, such as terrain and vegetation surfaces, vegetation related metrics, down to extracting plot and tree level data.
The course covers the topics with hands-on labs and presentations. Held at... |
Automated Log Counting: Proof of Concept at SilviLaser 2011
21/10/2011 1:33:00 p.m.
Improving log inventory is a key area where the New Zealand forestry industry could significant improve its supply chain performance. Although the process of counting logs seems relatively simple; in reality it is a difficult and labour intensive job. This is particularly significant to the New Zealand log export industry... |
PlotSafe to Support Data Collection for ETS Forest Measurement Approach (FMA)
17/10/2011 4:42:00 p.m.
Interpine is working on PlotSafe templates to allow the electronic data collection of ETS Forest Measurement Approach using New Zealands most used Forest Inventory Software. This generic public template will allow users to collect data on windows mobile handheld computers in the field.
If you have any feedback or would like to register your interest... |
NZ ETS Forest Measurement Approach (FMA) Released
2/09/2011 9:47:00 p.m.
As of 1 Sept 2011, MAF have now released the New Zealand Emission Trading Scheme Forest Measurement Approach (FMA). Participates can now register to apply for their sample locations, and begin to organise field measurement operations.
Interpine has been involved in the development of the FMA for the last 4... |
Interpine Offers Forestry Orientated LiDAR Analysis Training Course
17/08/2011 4:00:00 p.m.
After successfully completing our first Forestry Orientated LiDAR Analysis course to the final year students at the University of Canterbury in June 2011, Interpine is now offering this to the wider industry.
This is an introductory course learning how to manipulate and process LiDAR datasets, with a specific focus on... |
Pre-1990 Forest Carbon One-off Allocation Deadline Approaching Fast
17/08/2011 3:15:00 p.m.
The government is providing landowners of eligible pre-1990 forest land with a one-off allocation of free NZ units (NZU's – the unit of trade in the NZ ETS which represents 1 tonne of CO2 emissions).
The deadline for this allocation is 30 November 2011.
If you own an area of... |
The Original JAS Log Scaling Standards, MAF Japan 1967
17/08/2011 2:30:00 p.m.
Most of NZ's export logs are scaled and sold in JAS cubic metres. Most involved in the industry will be familiar with JC Ellis and DA Elliot's publication "Log Scaling Guide for Exporters – FRI Bulletin 221", which has become the New Zealand standard for JAS scaling. In spite of... |