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

42- Variation and Determinants of the Shape of Trees With Irregular Trunks in Central Africa
Journal Article
,
2026 Biotropica (Date Added: 2026-07-04)

40- Mobile laser scanning in support of national and regional forest inventories
Journal Article
Holvoet J, Latte N, Perin J, Bastin J, de Lame H, Kükenbrink D, Lejeune P,
2025 Science of Remote Sensing (Date Added: 2026-03-10)

39- Are crop fields pharmacies for megaherbivores? From ecophysiological studies of elephant (Loxodonta cyclotis) crop raiders in Gabon
Journal Article
Ngama S, Bindelle J, Brown J L, Poulsen J R, Hornick J, Linden A, Korte L, Doucet J, Paris S, Bouanga Banfoui epse Ngama M, Bawe Johnson M, Ndoutoume Ndong A, Mavoungou J F, Lejeune P, Vermeulen C,
2025 Ecological Solutions and Evidence (Date Added: 2026-03-10)

38- Global alternatives of natural vegetation cover
Journal Article
Bastin J, Latte N, Bogaert J, Garcia C A, Berzaghi F, Maestre F T, Svenning J, Assede E, Barima S, Besisa T, Bouchoms S, Crowther T W, de Haulleville T, de Lame H, Depoortere P, Dufrêne M, Hoek Van Dijke A J, Lhoest S, Mahy G, Messier C, Mollicone D, Ramalason F N, Peaucelle M, Plumacker A, Quétier F, Rakotondrasoa O, Sambieni K R, Sparrow B, Tarelkin Y, Sikuzani Y U, Vander Linden A, Lejeune P,
2025 Nature Communications (Date Added: 2025-07-27)

37- Scaling up the assessment of logging’s impact on forest structure in Central Africa using field and UAV data
Journal Article
Dupuis C, Ligot G, Bastin J, Lejeune P, Doucet J, Rossi V, Fayolle A,
2025 Environmental Research Letters (Date Added: 2025-03-11)

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)