by Martin Lusk | Sep 7, 2007 | Log Defect Measurement
A number of stem or log attributes are recognised and/or measured during log-making (bucking of logs within a stem). One of these is a “spike knot”. Spikes knots are the result of acutely angled branches. So in essence they are just a normal branch which...
by Martin Lusk | Jul 7, 2007 | Carbon Inventory, Emissions Trading Scheme
The fervour with which global warming, Kyoto and carbon credits are now discussed politically and within mainstream media nationally and internationally begs the question of what carbon value is stored in New Zealand forests. Before I attempt to answer that a basic...
by Martin Lusk | Jan 15, 2007 | Forest Inventory, PlotSafe, YTGEN
Many foresters planning pre-harvest inventory in Pinus radiata in New Zealand consider the option of placing secondary basal area tally plots (aka prism plots) in addition to the normal primary plots. This can be valid way of conducting inventory in some...
by Martin Lusk | Dec 15, 2006 | Acoustic Wood Testing, Forest Inventory, Log Structural Assessment
In August 2005 extensive acoustic testing was carried out on behalf a client throughout their forest estate. This testing comprised of two parts. The first involved the sampling of upcoming harvest areas to attain an average acoustic velocity of the standing resource...
by Martin Lusk | Dec 15, 2006 | Forest Inventory, PlotSafe, YTGEN
With the release of PLOTSAFE 1.2 and the RAD05 feature cruising dictionary, the CNI regional YTGEN user group have also released an update to the Forest Inventory Procedures Manual which will help people implement PLOTSAFE and RAD05 with ease. This can be downloaded...
by Martin Lusk | Dec 7, 2006 | Logmaker Auditing
For the past 18 years Interpine Forestry Ltd (IPF) has provided the forest industry with log value recovery services (LVR) beginning with the use of the FRI AVIS program to the now most widely used TIMBERTECH* audit tool. Interpine invested significant resources in...
by Martin Lusk | Oct 15, 2006 | Forest Inventory
Interpine found a real need for a better way of measuring branch size during forest inventory. It is one stem feature which is still very much an eye-omitter classification which can have a big effect on any valuation of the standing resource. This is particularly...
by Martin Lusk | May 7, 2006 | Logmaker Auditing
This article helps receivers of the Log Maker Value Recovery Audit results understand the terminology used and displayed in the audit results. But first an overview of what an LVR audit is…. Overview of a Logmaker / Crew Value Recovery Audit One of our services...
by Martin Lusk | Nov 7, 2005 | Acoustic Wood Testing, Log Defect Measurement, Log Structural Assessment
The use of acoustic technology has been recognized as an accurate, precise, and efficient means by which wood quality can be quantifiably measured (www.metriguard.com/fiber.htm ; Rippy 1998; Baldwin 1995). However, the process of measuring wood quality at the log...
by Martin Lusk | Oct 15, 2005 | Forest Inventory, PlotSafe
PLOTSAFE brings the flexibility to collect multiple overlapping feature codes at the stem level and cruising dictionaries such as RAD05 have been developed to take advantage of these new features. However many users of the current A-Z style single feature dictionary...
