by Charles Chikono | Mar 2, 2015 | Carbon Inventory, Forest Inventory, Outside NZ
Background Interpine has been working with the Department of Environment, Land, Water and Planning (DELWP – previously DSE and DEPI) on the Victorian Forest Monitoring Program (VFMP) since 2011. Since then Interpine has been involved with DELWP by providing the...
by admin | Feb 5, 2015 | Forest Inventory, GIS and Mapping
At Interpine we offer a wide range of forest inventory products, all with same goal; to provide accurate data to decision makers. Here is a few tips to consider on this pathway to an accurate and precise final dataset. Outline Objectives Before starting the process...
by David Herries | Dec 5, 2014 | Forest Inventory, GIS and Mapping, LiDAR, PlotSafe, YTGEN
David Herries recently presented at ForestTech 2014 an overview of Plot Imputation as a method for development of forest yields using YTGEN. The presentation was designed to introduce and simplify the concepts of k-nearest neighbour and plot imputation while outlining...
by admin | Nov 30, 2014 | Forest Inventory, PlotSafe, YTGEN
Virtual DBH’s are used to process diameters of forks and reductions when processing data from PlotSafe to YTGen. A virtual DBH is a DBH applied to a stem where the stem does not exist at breast height. It represents the over bark diameter that, in combination...
by admin | Nov 30, 2014 | Forest Inventory, YTGEN
What is random numbers and how are these used within YTGen? An example use of random numbers in YTGEN is for the calculation of height at which a stem breaks when felled e.g. the whereabouts of break, random numbers hereby only determinate the randomness of a breakage...
by David Herries | Jul 29, 2014 | Cutover Debris Assessment, Forest Inventory, Harvesting, Slash Assessment, Value Recovery
Practitioners Guide to the Methodology Introduction Concerned with improving the recovery of merchantable volume across a harvest cutover, a harvest supervisor or forest owner will often need to quantify how much is left post-harvest. The time and effort spent doing...
by Charles Chikono | Jun 19, 2014 | Carbon Inventory, Forest Inventory, Outside NZ
Interpine was contracted by the Department of Environment and Primary Industries (DEPI) to establish and re-measure plots across the state of Victoria, Australia, under the Victorian Forest Monitoring Program. This is a long term project which aims to detect change...
by David Herries | Mar 26, 2014 | Cloud Services, Forest Inventory, GeoMaster, GIS and Mapping
When considering a forest inventory, as foresters we often need to create a sample plot layout across of net stocked area. As part of our Forest Management Cloud Service, GeoMaster Assessment Planner simplifies the creation of sample plot designs for forest inventory...
by David Herries | Feb 7, 2014 | Forest Inventory, GIS and Mapping, LiDAR
We recently visited one of AAM Group’s plane fitted with the PEGASUS HA500 LiDAR system. This is flying on behalf of one of our clients which had adopted our kNN style of LiDAR analysis for forest product yield calculation. Great to see the system flexibility in...
by David Herries | Feb 7, 2014 | Forest Inventory, GIS and Mapping, LiDAR
Over the last 3 years Interpine have been developing a range of LiDAR analysis techniques for the imputation of forest yield metrics of wide areas of forests estates. Interpine have focused its research in late 2012 to a statistical technique known as k-Nearest...
by admin | Feb 5, 2014 | Carbon Inventory, Forest Inventory, LUCAS
Recently Interpine completed a soil carbon survey for the Ministry for the Environment (MfE) as part of New Zealand’s carbon monitoring system, known as the LUCAS programme. This involved sampling throughout planted forest sites across Northland, Bay of...
by admin | Dec 6, 2013 | Forest Inventory, PlotSafe, YTGEN
Tree height prediction and modelling is an important part of the data conversion, below article describes the equations and their difference tree height prediction. The subject of modelling tree heights is described in the following article; Modelling Tree Height in...
by admin | Nov 26, 2013 | Forest Inventory, PlotSafe, YTGEN
We often get questions from new users on the use of “shorts” and “longs” sweep assessment in cruising dictionaries such as RAD05, RAD05A and RAD06. It is worth a few moments to understand the history and versatility in assessment sweep in...
by admin | Nov 18, 2013 | Forest Inventory, PlotSafe, Training, YTGEN
When considering a MARVL (Method of Assessing Recoverable Volume by LogType) inventory for pre-harvest or mid rotation style inventory there are 3 common templates using in New Zealand. These being called commonly as RAD05, RAD05-A and RAD06. So what are these? How do...
by David Herries | Nov 18, 2013 | Forest Inventory, GIS and Mapping, LiDAR
recent presentation to the NZ Institute of Forestry – Auckland Section by Hamish Marshall highlighted the role and history of LiDAR (light detection and ranging) in the New Zealand (NZ) forest industry. LiDAR was first tested and studied in 1960’s so in itself...
by David Herries | Oct 18, 2013 | Carbon Inventory, Company Updates, Forest Health, Forest Inventory
Interpine have been working with the Department of Primary Industries and the Environment (DEPI) since early 2011. Interpine’s focus to date has been on the Forest Monitoring Data Management and Reporting Information System. This is a customized relational...
by admin | Oct 16, 2013 | Forest Inventory, PlotSafe, Training, YTGEN
Interpine maintains access to download a range of template documents and packages to help you get using YTGEN and PlotSafe. This can be downloaded from our website as shown below, and includes: PlotSafe Field Work Manuals and Procedures Datafile Templates for PlotSafe...
by David Herries | Sep 29, 2013 | Cutover Debris Assessment, Forest Inventory, Harvesting, Slash Assessment, Value Recovery
Over the years many of our clients from forest owners, harvesting crews and forest supervisors have asked about harvest cutover assessment methodology. Many have struggled with the concept of the line intersect sampling procedure, so I thought it might pay to document...
by David Herries | Aug 12, 2013 | Forest Inventory, YTGEN
New users often ask, what biometric methods are supported by YTGEN? In the forest industry most people consider these are functions or equations used to model the shape, volume, and inside bark diameter at any point on the stem. These are used in the log-making...
by admin | Jul 11, 2013 | Cloud Services, Forest Inventory, GeoMaster, GIS and Mapping, GPS
Forest Managers need to sample their forest for a range of operations from quality control to resource assessment. This often involves putting in a sample plot network, creating a map for use in field and loading these points into a GPS for use to navigate in the...
