Philippe Lejeune

Professor,
Université de Liège

Département des sciences du bois et de la forêt
E-mail: P.Lejeune@uliege.be
Institution page




Research

Management of forest resources and natural environments

Examples of species studied

Acinonyx jubatus
Dialium
Apis mellifera


Publications

36- Estimation of within-gap regeneration height growth in managed temperate deciduous forests using bi-temporal airborne laser scanning data
Journal Article
Leclère L , Latte N , Candaele R , Ligot G , Lejeune P ,
2024 Annals of Forest Science (Date Added: 2024-09-30)

35- Will artificial intelligence revolutionize aerial surveys? A first large-scale semi-automated survey of African wildlife using oblique imagery and deep learning
Journal Article
Delplanque A , Linchant J , Vincke X , Lamprey R , Théau J , Vermeulen C , Foucher S , Ouattara A , Kouadio R , Lejeune P ,
2024 Ecological Informatics (Date Added: 2024-06-15)

34- Wildlife detection, counting and survey using satellite imagery: are we there yet?
Journal Article
Delplanque A , Théau J , Foucher S , Serati G , Durand S , Lejeune P ,
2024 GIScience and Remote Sensing (Date Added: 2024-05-16)

33- Harmonised statistics and maps of forest biomass and increment in Europe
Journal Data Paper
Avitabile V , Pilli R , Migliavacca M , Duveiller G , Camia A , Blujdea V , Adolt R , Alberdi I , Barreiro S , Bender S , Borota D , Bosela M , Bouriaud O , Breidenbach J , Cañellas I , Čavlović J , Colin A , Di Cosmo L , Donis J , Fischer C , Freudenschuss A , Fridman J , Gasparini P , Gschwantner T , Hernández L , Korhonen K , Kulbokas G , Kvist V , Latte N , Lazdins A , Lejeune P , Makovskis K , Marin G , Maslo J , Michorczyk A , Mionskowski M , Morneau F , Myszkowski M , Nagy K , Nilsson M , Nord-Larsen T , Pantic D , Perin J , Redmond J , Rizzo M , Šebeň V , Skudnik M , Snorrason A , Sroga R , Stoyanov T , Svensson A , Talarczyk A , Teeuwen S , Thürig E , Uva J , Mubareka S ,
2024 Scientific Data (Date Added: 2024-03-17)

32- Using high-resolution images to analyze the importance of crown size and competition for the growth of tropical trees
Journal Article
Ndamiyehe Ncutirakiza J , Gourlet-Fleury S , Lejeune P , Bry X , Trottier C , Mortier F , Fayolle A , Muhashy Habiyaremye F , Ndjele Mianda-Bungi L , Ligot G ,
2024 Forest Ecology and Management (Date Added: 2024-01-01)

31- Surveying wildlife and livestock in Uganda with aerial cameras: Deep Learning reduces the workload of human interpretation by over 70%
Journal Article
Delplanque A , Lamprey R , Foucher S , Théau J , Lejeune P ,
2023 Frontiers in Ecology and Evolution (Date Added: 2023-12-13)

30- Monitoring selective logging intensities in central Africa with sentinel-1: A canopy disturbance experiment
Journal Article
Dupuis C , Fayolle A , Bastin J , Latte N , Lejeune P ,
2023 Remote Sensing of Environment (Date Added: 2023-10-03)

29- Interspecific Growth Reductions Caused by Wild Ungulates on Tree Seedlings and Their Implications for Temperate Quercus-Fagus Forests
Journal Article
Candaele R , Ligot G , Licoppe A , Lievens J , Fichefet V , Jonard M , André F , Lejeune P ,
2023 Forests (Date Added: 2023-08-10)

28- From the simulation of forest plantation dynamics to the quantification of bark-stripping damage by ungulates
Journal Article
Ligot G , Gheysen T , Perin J , Candaele R , de Coligny F , Licoppe A , Lejeune P ,
2023 European Journal of Forest Research (Date Added: 2023-04-29)

27- Evaluation of an Innovative Rosette Flight Plan Design for Wildlife Aerial Surveys with UAS
Journal Article
Linchant J , Lejeune P , Quevauvillers S , Vermeulen C , Brostaux Y , Lhoest S , Michez A ,
2023 Drones (Date Added: 2023-04-11)

26- From crowd to herd counting: How to precisely detect and count African mammals using aerial imagery and deep learning?
Journal Article
Delplanque A , Foucher S , Théau J , Bussière E , Vermeulen C , Lejeune P ,
2023 ISPRS Journal of Photogrammetry and Remote Sensing (Date Added: 2023-02-14)

25- Pollen meta-barcoding reveals different community structures of foraged plants by honeybees (Apis mellifera L.) along space-time gradient in Japan
Journal Article
Noël G , Mestrez A , Lejeune P , Francis F , Kawai J , Miwa M , Uehara K , Nagase A ,
2023 Urban Forestry and Urban Greening (Date Added: 2023-01-01)

24- Mobile Laser Scanning for Estimating Tree Structural Attributes in a Temperate Hardwood Forest
Journal Article
Vandendaele B , Martin-Ducup O , Fournier R A , Pelletier G , Lejeune P ,
2022 Remote Sensing (Date Added: 2022-10-12)

23- Highlighting a New Morphospecies within the Dialium Genus Using Leaves and Wood Traits
Journal Article
Doucet R , Bibang Bengono G , Ruwet M , Van De Vreken I , Lecart B , Doucet J , Fernandez Pierna J A , Lejeune P , Jourez B , Souza A , Richel A ,
2022 Forests (Date Added: 2022-09-19)

22- Mapping tree species proportions from satellite imagery using spectral–spatial deep learning
Journal Article
Bolyn C , Lejeune P , Michez A , Latte N ,
2022 Remote Sensing of Environment (Date Added: 2022-09-02)

21- Estimating Species-Specific Stem Size Distributions of Uneven-Aged Mixed Deciduous Forests Using ALS Data and Neural Networks
Journal Article
Leclère L , Lejeune P , Bolyn C , Latte N ,
2022 Remote Sensing (Date Added: 2022-04-06)

20- Growing stock monitoring by European National Forest Inventories: Historical origins, current methods and harmonisation
Journal Article
Gschwantner T , Alberdi I , Bauwens S , Bender S , Borota D , Bosela M , Bouriaud O , Breidenbach J , Donis J , Fischer C , Gasparini P , Heffernan L , Hervé J , Kolozs L , Korhonen K T , Koutsias N , Kovácsevics P , Kučera M , Kulbokas G , Kuliešis A , Lanz A , Lejeune P , Lind T , Marin G , Morneau F , Nord-Larsen T , Nunes L , Pantić D , Redmond J , Rego F C , Riedel T , Šebeň V , Sims A , Skudnik M , Tomter S M ,
2022 Forest Ecology and Management (Date Added: 2022-01-04)

19- Which environmental factors control extreme thermal events in rivers? A multi-scale approach (Wallonia, Belgium)
Journal Article
Georges B , Michez A , Piegay H , Huylenbroeck L , Lejeune P , Brostaux Y ,
2021 PeerJ (Date Added: 2021-12-06)

18- A 3D approach to model the taper of irregular tree stems: making plots biomass estimates comparable in tropical forests
Journal Article
Bauwens S , Ploton P , Fayolle A , Ligot G , Loumeto J J , Lejeune P , Gourlet‐Fleury S ,
2021 Ecological Applications (Date Added: 2021-11-11)

17- Wood description and timber use investigation of Pachyelasma tessmannii (Harms) Harms
Journal Article
Doucet R , Doucet J , Lejeune P , Verheyen C , De Mil T , Martin P , Lagoute P , Jourez B ,
2021 European Journal of Wood and Wood Products (Date Added: 2021-11-05)

16- Estimation of northern hardwood forest inventory attributes using uav laser scanning (Uls): Transferability of laser scanning methods and comparison of automated approaches at the tree‐ and stand‐level
Journal Article
Vandendaele B , Fournier R A , Vepakomma U , Pelletier G , Lejeune P , Martin-Ducup O ,
2021 Remote Sensing (Date Added: 2021-11-05)

15- What factors shape spatial distribution of biomass in riparian forests? Insights from a LiDAR survey over a large area
Journal Article
Huylenbroeck L , Latte N , Lejeune P , Georges B , Claessens H , Michez A ,
2021 Forests (Date Added: 2021-11-05)

14- Individual identification of cheetah (Acinonyx jubatus) based on close-range remote sensing: First steps of a new monitoring technique
Journal Article
Baralle G , Marchal A F J , Lejeune P , Michez A ,
2021 Remote Sensing (Date Added: 2021-11-05)

13- Ears in the sky: Potential of drones for the bioacoustic monitoring of birds and bats
Journal Article
Michez A , Broset S , Lejeune P ,
2021 Drones (Date Added: 2021-11-05)

12- SIMREG, a tree-level distance-independent model to simulate forest dynamics and management from national forest inventory (NFI) data
Journal Article
Perin J , Pitchugin M , Hébert J , Brostaux Y , Lejeune P , Ligot G ,
2021 Ecological Modelling (Date Added: 2021-11-05)

11- Mitigation of bark stripping on spruce: the need for red deer population control
Journal Article
Candaele R , Lejeune P , Licoppe A , Malengreaux C , Brostaux Y , Morelle K , Latte N ,
2021 European Journal of Forest Research (Date Added: 2021-11-05)

10- Multispecies detection and identification of African mammals in aerial imagery using convolutional neural networks
Journal Article
Delplanque A , Foucher S , Lejeune P , Linchant J , Théau J ,
2021 Remote Sensing in Ecology and Conservation (Date Added: 2021-08-14)

9- Accuracy of tree stem circumference estimation using close range photogrammetry: Does point-based stem disk thickness matter?
Journal Article
Akpo H A , Atindogbé G , Obiakara M C , Gbedolo M A , Laly F G , Lejeune P , Fonton N H ,
2020 Trees, Forests and People (Date Added: 2021-11-05)

8- Can regional aerial images from orthophoto surveys produce high quality photogrammetric Canopy Height Model? A single tree approach in Western Europe
Journal Article
Michez A , Huylenbroeck L , Bolyn C , Latte N , Bauwens S , Lejeune P ,
2020 International Journal of Applied Earth Observation and Geoinformation (Date Added: 2021-11-05)

6- Quantifying crown dimensions using high-resolution aerial imagery to estimate the diametric growth of trees in central African forests
Journal Article
Ndamiyehe Ncutirakiza J , Lejeune P , Gourrlet-Fleury S , Fayolle A , Ndjele Mianda-Bungi L , Ligot G ,
2020 Bois et Forets des Tropiques (Date Added: 2021-11-05)

5- Using remote sensing to characterize riparian vegetation: A review of available tools and perspectives for managers
Journal Article
Huylenbroeck L , Laslier M , Dufour S , Georges B , Lejeune P , Michez A ,
2020 Journal of environmental management (Date Added: 2021-11-05)

4- Upscaling UAS paradigm to ultralight aircrafts: A low-cost multi-sensors system for large scale aerial photogrammetry
Journal Article
Latte N , Gaucher P , Bolyn C , Lejeune P , Michez A ,
2020 Remote Sensing (Date Added: 2021-11-05)

3- How can remote sensing help monitor tropical moist forest degradation?-A systematic review
Journal Article
Dupuis C , Lejeune P , Michez A , Fayolle A ,
2020 Remote Sensing (Date Added: 2021-11-05)

2- Image data acquisition for estimating individual trees metrics: Closer is better
Journal Article
Akpo H A , Atindogbé G , Obiakara M C , Adjinanoukon A B , Gbedolo M , Lejeune P , Fonton N H ,
2020 Forests (Date Added: 2021-11-05)

1- Can water level stations be used for thermal assessment in aquatic ecosystem?
Conference Article
Georges B , Brostaux Y , Claessens H , Degré A , Huylenbroeck L , Lejeune P , Piégay H , Michez A ,
2020 River Research and Applications (Date Added: 2021-11-05)