Kim Calders
@kimcalders.bsky.social
Scientist with Ghent University. Laser Scanning - Remote Sensing - Monitoring #forests with #LiDAR & #UAV. Made in Belgium.
Reposted by Kim Calders
New paper by Wout Cherlet & @qforestlab.bsky.social team led by @kimcalders.bsky.social, comparing tree extraction methods from TLS data. TL;DR it's hard to automate, ecosystem dependent & parametric approaches currently outperform DL www.sciencedirect.com/science/arti...
Benchmarking tree instance segmentation of terrestrial laser scanning point clouds
Terrestrial laser scanning (TLS) has revolutionized forest measurement techniques by providing detailed three-dimensional (3D) point cloud data that c…
www.sciencedirect.com
November 4, 2025 at 2:44 PM
New paper by Wout Cherlet & @qforestlab.bsky.social team led by @kimcalders.bsky.social, comparing tree extraction methods from TLS data. TL;DR it's hard to automate, ecosystem dependent & parametric approaches currently outperform DL www.sciencedirect.com/science/arti...
Reposted by Kim Calders
The most well-know use-case of optical fibres is internet.
We show that it actually allows us to measure microclimate temperatures at the ultra-high resolution of 25 cm! Since these fibres can be very long, up to 30 km (!), this novel means of environmental monitoring seems super promising.
We show that it actually allows us to measure microclimate temperatures at the ultra-high resolution of 25 cm! Since these fibres can be very long, up to 30 km (!), this novel means of environmental monitoring seems super promising.
October 14, 2025 at 6:47 AM
The most well-know use-case of optical fibres is internet.
We show that it actually allows us to measure microclimate temperatures at the ultra-high resolution of 25 cm! Since these fibres can be very long, up to 30 km (!), this novel means of environmental monitoring seems super promising.
We show that it actually allows us to measure microclimate temperatures at the ultra-high resolution of 25 cm! Since these fibres can be very long, up to 30 km (!), this novel means of environmental monitoring seems super promising.
Reposted by Kim Calders
Our new perspective on what TLS can (& can't) do in forest research www.nature.com/articles/s41... - led by Eduardo Maeda w lots of great colleagues including @kimcalders.bsky.social @emilyrlines.bsky.social @louiseterryn.bsky.social @benjaminbrede.bsky.social (apols for any I don;t have @ for)
Expanding forest research with terrestrial LiDAR technology - Nature Communications
This Review highlights how terrestrial laser scanning is transforming forest research by enabling highly detailed 3D measurements of trees, supporting applications in forest ecology, carbon monitoring, and biodiversity assessment.
www.nature.com
October 6, 2025 at 3:35 PM
Our new perspective on what TLS can (& can't) do in forest research www.nature.com/articles/s41... - led by Eduardo Maeda w lots of great colleagues including @kimcalders.bsky.social @emilyrlines.bsky.social @louiseterryn.bsky.social @benjaminbrede.bsky.social (apols for any I don;t have @ for)
Reposted by Kim Calders
I like big trees and I cannot lie. Great bit of work by @kimcalders.bsky.social @louiseterryn.bsky.social and colleagues using innovative climbing and scanning approach. Stunning illustration of tree structural and biodiversity complexity zslpublications.onlinelibrary.wiley.com/doi/full/10....
Integrating terrestrial and canopy laser scanning for comprehensive analysis of large old trees: Implications for single tree and biodiversity research
Canopy laser scanning (CLS) enhances 3D measurements of large trees by lifting laser scanners into the canopy. Combining CLS with terrestrial laser scanning improves point cloud precision, reduces oc...
zslpublications.onlinelibrary.wiley.com
September 3, 2025 at 10:02 AM
I like big trees and I cannot lie. Great bit of work by @kimcalders.bsky.social @louiseterryn.bsky.social and colleagues using innovative climbing and scanning approach. Stunning illustration of tree structural and biodiversity complexity zslpublications.onlinelibrary.wiley.com/doi/full/10....
Reposted by Kim Calders
🆕 The first stunning images from our groundbreaking #Biomass satellite mission have been released – they mark a major leap forward in our ability to understand how Earth’s forests are changing and exactly how they contribute to the global carbon cycle 🌳🌍
www.esa.int/Applications...
www.esa.int/Applications...
June 23, 2025 at 10:56 AM
🆕 The first stunning images from our groundbreaking #Biomass satellite mission have been released – they mark a major leap forward in our ability to understand how Earth’s forests are changing and exactly how they contribute to the global carbon cycle 🌳🌍
www.esa.int/Applications...
www.esa.int/Applications...
Reposted by Kim Calders
Our new perspective on the use (& misuse) of what we're calling virtual forests (rather than digital twins!), for forest change from space, led by @kimcalders.bsky.social w many great colleagues 🔭 🧪🔬 www.sciencedirect.com/science/arti...
Realistic virtual forests for understanding forest disturbances and recovery from space
Forests worldwide are undergoing large-scale and unprecedented changes in terms of structure and composition due to land use change and natural distur…
www.sciencedirect.com
June 28, 2025 at 11:43 AM
Our new perspective on the use (& misuse) of what we're calling virtual forests (rather than digital twins!), for forest change from space, led by @kimcalders.bsky.social w many great colleagues 🔭 🧪🔬 www.sciencedirect.com/science/arti...
Job Alert!
We are hiring a new PhD candidate to work with me and @louiseterryn.bsky.social on multitemporal terrestrial laser scanning for better understanding forest structural dynamics at @qforestlab.bsky.social .
More info ➡️ bit.ly/449NunA
Apply here ➡️ bit.ly/3I5AnMP
Application deadline: Aug 3
We are hiring a new PhD candidate to work with me and @louiseterryn.bsky.social on multitemporal terrestrial laser scanning for better understanding forest structural dynamics at @qforestlab.bsky.social .
More info ➡️ bit.ly/449NunA
Apply here ➡️ bit.ly/3I5AnMP
Application deadline: Aug 3
June 20, 2025 at 12:14 PM
Job Alert!
We are hiring a new PhD candidate to work with me and @louiseterryn.bsky.social on multitemporal terrestrial laser scanning for better understanding forest structural dynamics at @qforestlab.bsky.social .
More info ➡️ bit.ly/449NunA
Apply here ➡️ bit.ly/3I5AnMP
Application deadline: Aug 3
We are hiring a new PhD candidate to work with me and @louiseterryn.bsky.social on multitemporal terrestrial laser scanning for better understanding forest structural dynamics at @qforestlab.bsky.social .
More info ➡️ bit.ly/449NunA
Apply here ➡️ bit.ly/3I5AnMP
Application deadline: Aug 3
This is also the last field campaign as part of @erc.europa.eu SPACETWIN. Excellent work by our @qforestlab.bsky.social field team Zane Cooper, Wout Cherlet and Wouter Van den Broeck. [4/4]
June 10, 2025 at 8:58 AM
This is also the last field campaign as part of @erc.europa.eu SPACETWIN. Excellent work by our @qforestlab.bsky.social field team Zane Cooper, Wout Cherlet and Wouter Van den Broeck. [4/4]
We have been using terrestrial laser scanning to acquire baseline structural data of trees within these dynamic forests. We will be back in the future to see how these forests have changed structurally over time. [3/4]
June 10, 2025 at 8:58 AM
We have been using terrestrial laser scanning to acquire baseline structural data of trees within these dynamic forests. We will be back in the future to see how these forests have changed structurally over time. [3/4]
This new permanent plot network is led by @westsyduhie.bsky.social Brendan Choat. The plot network will incorporate cutting-edge sensor technologies that allow for real-time ecological monitoring of fauna and flora (more info ➡️ bit.ly/43YfdI0). [2/4]
June 10, 2025 at 8:58 AM
This new permanent plot network is led by @westsyduhie.bsky.social Brendan Choat. The plot network will incorporate cutting-edge sensor technologies that allow for real-time ecological monitoring of fauna and flora (more info ➡️ bit.ly/43YfdI0). [2/4]
Our campaign in the Blue Mountains is coming to an end. Since late April, we have been scanning several plots covering different vegetation types (33 done currently) within the Blue Mountains Hub for Ecology & Conservation. [1/4]
June 10, 2025 at 8:58 AM
Our campaign in the Blue Mountains is coming to an end. Since late April, we have been scanning several plots covering different vegetation types (33 done currently) within the Blue Mountains Hub for Ecology & Conservation. [1/4]
Reposted by Kim Calders
Sensors, scientists and sunshine. Thanks for the great Strucnet vegetation structural dynamics meeting @kimcalders.bsky.social.
May 15, 2025 at 4:46 PM
Sensors, scientists and sunshine. Thanks for the great Strucnet vegetation structural dynamics meeting @kimcalders.bsky.social.
Reposted by Kim Calders
Strucnet meeting organised by @kimcalders.bsky.social very much fun!
May 15, 2025 at 4:07 PM
Strucnet meeting organised by @kimcalders.bsky.social very much fun!
Reposted by Kim Calders
The #EucFACE canopy has finally recovered from the 19-20 drought and the 21-22 floods. Beautiful time for new Lidar scans! @westsyduhie.bsky.social @kimcalders.bsky.social
May 5, 2025 at 6:13 AM
The #EucFACE canopy has finally recovered from the 19-20 drought and the 21-22 floods. Beautiful time for new Lidar scans! @westsyduhie.bsky.social @kimcalders.bsky.social
Job Alert - Come work with us at @qforestlab.bsky.social!
I'm hiring a postdoctoral fellow in vegetation remote sensing and radiative transfer to work on my @erc.europa.eu SPACETWIN project (spacetwin.ugent.be).
More info ➡️ www.ugent.be/en/work/scie...
Deadline: March 7
I'm hiring a postdoctoral fellow in vegetation remote sensing and radiative transfer to work on my @erc.europa.eu SPACETWIN project (spacetwin.ugent.be).
More info ➡️ www.ugent.be/en/work/scie...
Deadline: March 7
February 11, 2025 at 6:48 PM
Job Alert - Come work with us at @qforestlab.bsky.social!
I'm hiring a postdoctoral fellow in vegetation remote sensing and radiative transfer to work on my @erc.europa.eu SPACETWIN project (spacetwin.ugent.be).
More info ➡️ www.ugent.be/en/work/scie...
Deadline: March 7
I'm hiring a postdoctoral fellow in vegetation remote sensing and radiative transfer to work on my @erc.europa.eu SPACETWIN project (spacetwin.ugent.be).
More info ➡️ www.ugent.be/en/work/scie...
Deadline: March 7
Later this month, we will move to sector Jeinimeni, where there is currently a large outbreak ongoing – completely defoliating trees. Video from earlier this week [4/4]
January 17, 2025 at 4:02 PM
Later this month, we will move to sector Jeinimeni, where there is currently a large outbreak ongoing – completely defoliating trees. Video from earlier this week [4/4]
We are collecting terrestrial laser scanning data, spectral measurements of leaves, bark and understory and multispectral drone data. Not too much is known about these forests and these field measurements will result into a better understanding of these ecosystems. [3/4]
January 17, 2025 at 4:02 PM
We are collecting terrestrial laser scanning data, spectral measurements of leaves, bark and understory and multispectral drone data. Not too much is known about these forests and these field measurements will result into a better understanding of these ecosystems. [3/4]
We are setting up 6 new permanent plots in the El Furioso sector of the National Park, supported by CONAF. These sites had different impacts of caterpillar disturbance over the last decade. [2/4]
January 17, 2025 at 4:02 PM
We are setting up 6 new permanent plots in the El Furioso sector of the National Park, supported by CONAF. These sites had different impacts of caterpillar disturbance over the last decade. [2/4]
We are currently in Patagonia for our @ercresearch.bsky.social project #SPACETWIN, looking at the impact of caterpillar (Ormiscodes amphimone) disturbance on the Nothofagus forests. This is a @qforestlab.bsky.social collaboration with the team of Roberto O. Chávez from PUCV in Valparaíso [1/4]
January 17, 2025 at 4:02 PM
We are currently in Patagonia for our @ercresearch.bsky.social project #SPACETWIN, looking at the impact of caterpillar (Ormiscodes amphimone) disturbance on the Nothofagus forests. This is a @qforestlab.bsky.social collaboration with the team of Roberto O. Chávez from PUCV in Valparaíso [1/4]
Reposted by Kim Calders
@qforestlab.bsky.social There are so many leaf-wood separation algorithms, don't know how to choose?
Our latest work (from @qforestlab.bsky.social ) has addressed this issue by providing a robust evaluation framework. Interested? please check our paper: authors.elsevier.com/a/1kKNW7qzT3...
Our latest work (from @qforestlab.bsky.social ) has addressed this issue by providing a robust evaluation framework. Interested? please check our paper: authors.elsevier.com/a/1kKNW7qzT3...
authors.elsevier.com
December 30, 2024 at 12:37 PM
@qforestlab.bsky.social There are so many leaf-wood separation algorithms, don't know how to choose?
Our latest work (from @qforestlab.bsky.social ) has addressed this issue by providing a robust evaluation framework. Interested? please check our paper: authors.elsevier.com/a/1kKNW7qzT3...
Our latest work (from @qforestlab.bsky.social ) has addressed this issue by providing a robust evaluation framework. Interested? please check our paper: authors.elsevier.com/a/1kKNW7qzT3...
The TFE has been running since 2001. With the roof being taken off now, it becomes a recovery experiment. In collaboration with the University of Edinburgh (UK) and The Universidade Federal de Para & Museu Paraense Emilio Goeldi (Brazil). [2/2]
November 28, 2024 at 11:08 AM
The TFE has been running since 2001. With the roof being taken off now, it becomes a recovery experiment. In collaboration with the University of Edinburgh (UK) and The Universidade Federal de Para & Museu Paraense Emilio Goeldi (Brazil). [2/2]
Wouter & Wout from @qforestlab.bsky.social are currently collecting TLS data at the Caxiuanã through-fall exclusion (TFE) experiment for our #ERC SPACETWIN working with our Brazilian collaborators and Patrick Meir. Continuing the TLS time-series that was initiated by @matdisney.bsky.social [1/2]
November 28, 2024 at 11:08 AM
Wouter & Wout from @qforestlab.bsky.social are currently collecting TLS data at the Caxiuanã through-fall exclusion (TFE) experiment for our #ERC SPACETWIN working with our Brazilian collaborators and Patrick Meir. Continuing the TLS time-series that was initiated by @matdisney.bsky.social [1/2]
Reposted by Kim Calders
Important finding for impact modelers by @kornhuber.bsky.social et al.: Climatic extremes change faster/ more severely than anticipated by climate models. The consequences anticipated with impact models (based on climate model-driven forcings) might thus be conservative. www.pnas.org/doi/10.1073/...
Global emergence of regional heatwave hotspots outpaces climate model simulations | PNAS
Multiple recent record-shattering weather events raise questions about the adequacy
of climate models to effectively predict and prepare for unprec...
www.pnas.org
November 27, 2024 at 7:01 AM
Important finding for impact modelers by @kornhuber.bsky.social et al.: Climatic extremes change faster/ more severely than anticipated by climate models. The consequences anticipated with impact models (based on climate model-driven forcings) might thus be conservative. www.pnas.org/doi/10.1073/...
Reposted by Kim Calders
Check out our database of 30+ ancient oaks 🌳 captured with #LiDAR
For the tree 😍: sketchfab.com/SCATTER.project
For the tree 🧑🔬: doi.org/10.5281/zenodo…
Funded by the Woodland Trust. With support from the Ancient Tree Forum.
For the tree 😍: sketchfab.com/SCATTER.project
For the tree 🧑🔬: doi.org/10.5281/zenodo…
Funded by the Woodland Trust. With support from the Ancient Tree Forum.
November 21, 2024 at 10:13 PM
Check out our database of 30+ ancient oaks 🌳 captured with #LiDAR
For the tree 😍: sketchfab.com/SCATTER.project
For the tree 🧑🔬: doi.org/10.5281/zenodo…
Funded by the Woodland Trust. With support from the Ancient Tree Forum.
For the tree 😍: sketchfab.com/SCATTER.project
For the tree 🧑🔬: doi.org/10.5281/zenodo…
Funded by the Woodland Trust. With support from the Ancient Tree Forum.
The first month of our field campaign in the Queensland Permanent Rainforest Plots (@QPRPaus - ) has been a success with 6 plots already completed and 10 more to go in the coming weeks! [1/5]
November 22, 2024 at 5:17 PM
The first month of our field campaign in the Queensland Permanent Rainforest Plots (@QPRPaus - ) has been a success with 6 plots already completed and 10 more to go in the coming weeks! [1/5]