Résultats pour Auteur : "Vincent, Grégoire"

Multi-sensor airborne lidar requires intercalibration for consistent estimation of light attenuation and plant area density. Vincent Grégoire, Verley Philippe, Brede Benjamin, Delaitre Guillaume, Maurent Eliott, Ball James, Clocher Ilona, Barbier Nicolas. 2023. Remote Sensing of Environment, 286:113442, 14 p.

Validation of the DART model for airborne laser scanner simulations on complex forest environments. De Boissieu Florian, Heuschmidt Florence, Lauret Nicolas, Ebengo Dav M., Vincent Grégoire, Feret Jean Baptiste, Yin Tiangang, Gastellu-Etchegorry Jean-Philippe, Costeraste Josiane, Lefèvre-Fonollosa Marie-José, Durrieu Sylvie. 2023. IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 16 : 8379-8394.

Mapping tree mortality rate in a tropical moist forest using multi-temporal LiDAR. Huertas Claude, Sabatier Daniel, Derroire Géraldine, Ferry Bruno, Jackson Toby D., Pélissier Raphaël, Vincent Grégoire. 2022. International Journal of Applied Earth Observation and Geoinformation, 109:102780, 16 p.

Impacts of degradation on water, energy, and carbon cycling of the Amazon tropical forests. Longo Marcos, Saatchi Sassan, Keller Michael, Bowman Kevin, Ferraz Antonio, Moorcroft Paul R., Morton Douglas C., Bonal Damien, Brando Paulo, Burban Benoit, Derroire Géraldine, dos‐Santos Maiza N., Meyer Victoria, Saleska Scott, Trumbore Susan, Vincent Grégoire. 2020. Journal of Geophysical Research. Biogeosciences, 125 (8):e2020JG005677, 27 p.

Quantitative airborne inventories in dense tropical forest using imaging spectroscopy. Laybros Anthony, Aubry-Kientz Mélaine, Feret Jean Baptiste, Bedeau Caroline, Brunaux Olivier, Derroire Géraldine, Vincent Grégoire. 2020. Remote Sensing, 12:1577, 27 p.

Slow rate of secondary forest carbon accumulation in the Guianas compared with the rest of the Neotropics. Chave Jérôme, Piponiot-Laroche Camille, Marechaux Isabelle, De Foresta Hubert, Larpin Denis, Fischer Fabian Jörg, Derroire Géraldine, Vincent Grégoire, Herault Bruno. 2020. Ecological Applications, 30 (1):e02004, 13 p.

A simulation method to infer tree allometry and forest structure from airborne laser scanning and forest inventories. Fischer Fabian Jörg, Labriere Nicolas, Vincent Grégoire, Herault Bruno, Alonso Alfonso, Memiaghe Herve R., Bissiengou Pulcherie, Kenfack David, Saatchi Sassan, Chave Jérôme. 2020. Remote Sensing of Environment, 251:112056, 16 p.

Disturbance regimes drive the diversity of regional floristic pools across Guianan rainforest landscapes. Guitet Stéphane, Sabatier Damien, Brunaux Olivier, Couteron Pierre, Denis Thomas, Freycon Vincent, Gonzalez Sophie, Herault Bruno, Jaouen Gaëlle, Molino Jean-François, Pélissier Raphaël, Richard-Hansen Cécile, Vincent Grégoire. 2018. Scientific Reports, 8:3872, 12 p.

In situ reference datasets from the TropiSAR and AfriSAR campaigns in support of upcoming spaceborne biomass missions. Labriere Nicolas, Tao Shengli, Chave Jérôme, Scipal Klaus, Le Toan Thuy, Abernethy Katharine A., Alonso Alfonso, Barbier Nicolas, Bissiengou Pulcherie, Casal Tania, Davies Stuart J., Ferraz Antonio, Herault Bruno, Jaouen Gaëlle, Jeffery Kathryn J., Kenfack David, Korte Lisa, Lewis Simon L., Malhi Yadvinder, Memiaghe Herve R., Poulsen John R., Rejou-Mechain Maxime, Villard Ludovic, Vincent Grégoire, White Lee J.T., Saatchi Sassan. 2018. IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 11 (10) : 3617-3627.

Mapping plant area index of tropical evergreen forest by airborne laser scanning. A cross-validation study using LAI2200 optical sensor. Vincent Grégoire, Antin Cécile, Laurans Marilyne, Heurtebize Julien, Durrieu Sylvie, Lavalley Claudia, Dauzat Jean. 2017. Remote Sensing of Environment, 198 : 254-266.

Quantifying micro-environmental variation in tropical rainforest understory at landscape scale by combining airborne LiDAR scanning and a sensor network. Tymen Blaise, Vincent Grégoire, Courtois Elodie A., Heurtebize Julien, Dauzat Jean, Marechaux Isabelle, Chave Jérôme. 2017. Annals of Forest Science, 74 (2):32, 13 p.

Are inter- and intraspecific variations of sapling crown traits consistent with a strategy promoting light capture in tropical moist forest? Laurans Marilyne, Vincent Grégoire. 2016. Annals of Botany, 118 (5) : 983-996.

Contrasted allometries between stem diameter, crown area, and tree height in five tropical biogeographic areas. Blanchard Elodie, Birnbaum Philippe, Ibanez Thomas, Boutreux Thomas, Antin Cécile, Ploton Pierre, Vincent Grégoire, Pouteau Robin, Vandrot Hervé, Hequet Vanessa, Barbier Nicolas, Droissart Vincent, Sonké Bonaventure, Texier Nicolas, Kamdem Narcisse Guy, Zebaze Donatien, Libalah Moses, Couteron Pierre. 2016. Trees, 30 (6) : 1953-1968.

Vertical stratification reduces competition for light in dense tropical forests. Laurans Marilyne, Hérault Bruno, Vieilledent Ghislain, Vincent Grégoire. 2014. Forest Ecology and Management, 329 : 79-88.

Accuracy of small footprint airborne LiDAR in its predictions of tropical moist forest stand structure. Vincent Grégoire, Sabatier Daniel, Blanc Lilian, Chave Jérôme, Weissenbacher Emilien, Pélissier Raphaël, Fonty E., Molino Jean-François, Couteron Pierre. 2012. Remote Sensing of Environment, 125 : 23-33.

Functional traits and their plasticity predict tropical trees regeneration niche even among species with intermediate light requirements. Laurans Marilyne, Martin Olivier, Nicolini Eric-André, Vincent Grégoire. 2012. Journal of Ecology, 100 (6) : 1440-1452.

LiDAR shows that higher forests have more slender trees. Vincent Grégoire, Caron F., Sabatier Damien, Blanc Lilian. 2012. Bois et Forêts des Tropiques (314) : 51-56. IUFRO International Conference on Research Priorities in Tropical Silviculture, Montpellier, France, 15 Novembre 2011/18 Novembre 2011.

The relative importance of dispersal limitation and habitat preference in shaping spatial distribution of saplings in a tropical moist forest: a case study along a combination of hydromorphic and canopy disturbance gradients. Vincent Grégoire, Molino Jean-François, Marescot Lucile, Barkaoui Karim, Sabatier Daniel, Freycon Vincent, Roelens Jean-Baptiste. 2011. Annals of Forest Science, 68 (2) : 357-370.

Détection des variations de structure de peuplements en forêt dense tropicale humide par Lidar aeroporte. Vincent Grégoire, Weissenbacher Emilien, Sabatier Damien, Blanc Lilian, Proisy Christophe, Couteron Pierre. 2010. Revue Française de Photogrammétrie et de Télédétection (191) : 42-51.

Jungle rubber : a traditional agroforestry system under pressure. Joshi Laxman, Wibawa Gede, Vincent Grégoire, Boutin Dominique, Akiefnawati Ratna, Manurung G., Van Noordwijk Meine, Williams S.. 2002. Bogor : ICRAF [Indonesia], 38 p.

Conclusion : agroforestry and biodiversity conservation in tropical landscapes. Schroth Götz, Da Fonseca Gustavo A.B., Harvey Celia A., Gascon Claude, Vasconcelos Heraldo L., Izac Anne-Marie N., Angelsen Arild, Finegan Bryan, Kaimowitz David, Krauss Ulrike, Laurance Susan G.W., Laurance William F., Nasi Robert, Naughton-Treves Lisa, Niesten Eduard, Richardson David M., Somarriba Chavez Eduardo, Tucker Nigel I.J., Vincent Grégoire, Wilkie David S.. 2004. In : Agroforestry and biodiversity conservation in tropical landscapes. Schroth Götz (ed.), Da Fonseca Gustavo A.B. (ed.), Harvey Celia A. (ed.), Gascon Claude (ed.), Vasconcelos Heraldo L. (ed.), Izac Anne-Marie N. (ed.). Washington : Island Press, 487-501. ISBN 1-55963-357-3

How much commercial timber in your plot, how much carbon sequestrated in the trees, how much light available for undercrops? Terrestrial lidar is the right technology for addressing these questions. Abstract number 71. Dauzat Jean, Madelaine Cécile, Heurtebize Julien, Lavalley Claudia, Vincent Grégoire. 2016. In : Celebrating 20 years of agroforestry research in Europe. Book of Abstracts. Gosme Marie (ed.). EURAF. Montpellier : EURAF, 120-123. ISBN 978-2-87614-717-1 European Agroforestry Conference. 3, Montpellier, France, 23 Mai 2016/25 Mai 2016.

A conceptual modelling approach to identify the adequacy of existing models to simulate dynamics and productivity of tropical agroforestry systems. Ngo Bieng Marie-Ange, Dupraz Christian, Wery Jacques, Vincent Grégoire, Van Oijen Marcel, Van Noordwijk Meine. 2010. In : Proceedings of Agro 2010 : the XIth ESA Congress, August 29th - September 3rd, 2010, Montpellier, France. Wery Jacques (ed.), Shili-Touzi I. (ed.), Perrin A. (ed.). Montpellier : Agropolis international, 313-314. ISBN 978-2-909613-01-7 ESA Congress. 11, Montpellier, France, 29 Août 2010/3 Septembre 2010.

Semantic segmentation of sparse irregular point clouds for leaf/wood discrimination. Bai Yuchen, Durand Jean-Baptiste, Vincent Grégoire, Forbes Florence. 2023. . NeurIPS. San Diego : Neural Information Procssing Systems Foundation, 1-21. Conference on Neural Information Processing Systems (NeurIPS 2023). 37, New Orleans, États-Unis, 10 Décembre 2023/16 Décembre 2023.

Estimation de la biodiversité des forêts tropicales par imagerie hyperspectrale : Avancées du projet HyperTropik. Feret Jean Baptiste, Barbier Nicolas, Berveiller Daniel, Gastellu-Etchegorry J.P., Grau E., Hmimina Gabriel, Lefèvre-Fonollosa Marie-José, Le Maire Guerric, Oliveira Julianne de C., Proisy Christophe, Soudani Kamel, Vincent Grégoire. 2016. In : Programme et résumés du 4ème colloque du Groupe Hyperspectral de la Société Française de Photogrammétrie et de Télédétection. Grenoble : Société Française de Photogrammétrie et de Télédétection-Université de Grenoble, 2 p. Colloque du Groupe Hyperspectral de la Société Française de Photogrammétrie et de Télédétection. 4, Grenoble, France, 11 Mai 2016/13 Mai 2016.

A generic crown development model multi-species forest stand modelling. Vincent Grégoire, Harja Degi, Jasnari. 2004. In : Proceedings of the 4th International workshop on functional-structural plant models (FSPM), abstracts of papers and posters, 7-11 June 2004, Montpellier, France. Godin Christophe (ed.), Hanan Jim (ed.), Kurth Winfried (ed.), Lacointe André (ed.), Takenaka Akio (ed.), Prusinkiewicz Przemyslaw (ed.), Dejong Thedore M. (ed.), Beveridge Christine (ed.). CIRAD-AMIS-UMR AMAP. Montpellier : CIRAD-AMAP, 279. International Workshop on Functional-Structural Plant Models (FSPM). 4, Montpellier, France, 7 Juin 2004/11 Juin 2004.