Category Archives: Forestry

Tree Map for Minnesota

EarthDefine, a provider of high-resolution spatial data products, has created a seamless tree canopy dataset that maps Minnesota’s trees in unprecedented detail. The Minnesota SpatialCover Tree Canopy dataset maps trees with 98% accuracy and 30 times the resolution of existing … Continue reading

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Illegal Tree Removal

The District of Columbia is using airborne lidar data to automatically identify trees that have been illegally removed by landowners. Trees are needed to process carbon gases which can improve air quality and reduce greenhouse gases. Collecting LIDAR data annually … Continue reading

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Finnish Forests to be Completely Mapped in 3D

In May, the extent of data on privately-owned forest stands surpassed the 10 million-hectare mark. Continue reading

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Comparing Single Tree Detection Methods

The study provides new insight regarding the potential and limits of tree detectio Continue reading

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Coloring the Points

After classification, useful information on these different vegetation strata can be extracted, making it easier to interpret vegetation information hidden in the point clouds. Continue reading

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Adjusting Canopy Height for Slope

n treetop detection, a highest crown return located in the downhill part may prove to be a “false” local maximum that is distant from the true treetop.” Continue reading

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Mapping Forests’ Carbon

laser technology that is flown over the tropics to measure how much carbon is trapped in the forests, and where deforestation, illegal logging and mining activities are releasing it. Continue reading

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Where to Trim Trees?

We could measure this entire area without even looking at it or taking a picture if we just drive the LiDAR system Continue reading

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Weighing Trees with Lidar

The study authors believe it could be used in monitoring carbon stocks for climate policy. Continue reading

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Using Lidar to Determine Forest Biomass

This is an important overview of the research being done by Kim Calderwood in Australia to determine the biomass of trees using 3D laser scanning. Continue reading

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