LiDAR sensors are becoming lighter, more accurate, more easily adapted to several plat-forms, and cheaper.
Forests provide us with a large number of ecosystem services.
Knowing in detail the current state os these forests and the possible changes they may undergo is of vital interest, both for managers, researchers and forest administration.
To this end, in 2020, the Operational Group for innovation in sustainable forest management go monte digital, successfully completed the innovation project funded by the National Rural Development Program, relating to support and rural development through the European Agricultural Fund for Rural Development.
The Monte Digital team originates from the collaboration of three entities: University of Castilla-La Mancha (UCLM), Dielmo 3D and Naturtec.
A forest inventory is the main tool for describing the structure of the forest(understood as the set of trees in the forest) and quantifying its renewable resources.
Traditionally, the forest mass condition has been determined by foot count inventory or by statistical sampling, using plots of a certain size (classic inventories).
Whether by foot count or statistical sampling, these methods require a large amount of time and human resources to be carried out correctly. The excessive cost of these traditional inventories, in terms of time and money, often makes them impossible to complete, thus hindering the correct (sustainable) management of the forest mass.
In the last decade, we have been witnessing a small revolution in the tools available for the measurement of forest resources, due to greater technological development. Such is the case of LiDAR (Light Detection and Ranging, or Laser Imaging Detection and Ranging) technology.
In this scenario, new technologies are key when looking to optimize forest inventories, both in time and cost, for which the main objetvice is the usage of the natural resources the forest provides.
So far, only AIRborne LiDAR has been used as an attempt to improve the estimates made by classical inventories. However, the results in the quantification of forest resources have not been very efficient.
Because of this, our operative group has used the same laser technology, but in this case, instead of applying it from the air, applying it directly from the ground (LiDAR mobile).
In the case of AIRborne LiDAR, once the points are classified as vegetation, we then try to predict the forest mass variables based on statistics and point cloud variables (percentiles). However, AIRborne LIDAR does not satisfy many requirements because of the inability to observe tree trunks.
This is where LIDAR mobile comes into play, which, due to its characteristics, can observe what is interesting to forestal technicians, among others, the trunk of the tree.
In order to automatically identify trees and obtain dendro and dasometric parameters, we have developed an automated software that executes a sequential process in three phases:
The final product of this project, undoubtedly, has been the development of an innovative methodology aimed at the digitization of the forest, through the inventory of forest masses accurately, quickly and at low cost, allowing monitoring and reliable decision making, in sustainable forest management, using the Mobile Terrestrial Lidar Laser (MTL) technology.
This product has also included the development of the specific AID Forest software.
With this project, Dielmo opens the doors to any company that requires a powerful and efficient forestry application. Being able to carry out tasks such as:
LiDAR sensors are becoming lighter, more accurate, more easily adapted to several plat-forms, and cheaper.
Dielmo 3D is pleased to meet you at the ILMF 2022! You will find us the at ILMF 2022, booth 436, during course of the forum, from sunday 1:00 PM until Tuesday 4:30 PM.
LiDAR analysis of energy networks to detect risk areas for new fiber-optic lines in compliance with current regulations.
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