Marie-Pierre Ledru Senior Reseacher

Publications

Article dans une revue (49)

Understanding the presence of early humans in northeastern Brazil: Synthesis of paleoenvironmental reconstructions Marie Haut-Labourdette,Marie-Pierre Ledru,Aline Govin,Christine Hatté,Eric Boëda Palaeogeography, Palaeoclimatology, Palaeoecology, 2025, 680, pp.113367. ⟨10.1016/j.palaeo.2025.113367⟩ Article dans une revue hal-05468680v1
Late Holocene changes in vegetation and fire within a forest refuge in the Araripe region, northeastern Brazil Maria Daniely Freire Guerra,Marie-Pierre Ledru,Sergio Augusto Santos Xavier,Rudney de Almeida Santos,Francisca Soares de Araújo The Holocene, 2024, 34 (11), pp.1687-1699. ⟨10.1177/09596836241266407⟩ Article dans une revue hal-04962244v1
Everything's not lost: Caatinga areas under chronic disturbances still have well-preserved plant communities Maria Soraya Macêdo,Bruno Sousa Menezes,Marie Pierre Ledru,Jean-François Mas,Fernanda Kelly Gomes Silvaet al. Journal of Arid Environments, 2024, 222, ⟨10.1016/j.jaridenv.2024.105164⟩ Article dans une revue hal-04893697v1
Pre-hispanic wetland irrigation and metallurgy in the South Andean Altiplano (Intersalar Region, Bolivia, XIVth and XVth century CE) Stéphane Guédron,Clément Roy,Géraldine Sarret,Julie Tolu,Marie-Pierre Ledruet al. Quaternary Science Reviews, 2024, 338, pp.108826. ⟨10.1016/j.quascirev.2024.108826⟩ Article dans une revue hal-04763002v1
Millennial-scale variability of vegetation and fire activity in a northern Cerrado driven by an east-west rainfall gradient during the Holocene Sergio Augusto Santos Xavier,Marie-Pierre Ledru,Laurent Bremond,Charly Favier,Francisca Soares de Araújo The Holocene, 2024, 34 (5), pp.541-553. ⟨10.1177/09596836231225719⟩ Article dans une revue hal-04962236v1
The southern Brazilian tropical forest during the penultimate Pleistocene glaciation and its termination Adriana Mercedes Camejo Aviles,Marie‐pierre Ledru,Fresia Ricardi‐branco,Gisele C Marquardt,Denise de Campos Bicudo Journal of Quaternary Science, 2024, 39 (3), pp.373 - 385. ⟨10.1002/jqs.3594⟩ Article dans une revue hal-04893703v1
Two New Species of Achnanthidium Kützing (Achnanthidiaceae) from the Quaternary Sediments of the Colônia Basin, Southeast Brazil Gisele C Marquardt,Denise C Bicudo,Carlos E de M Bicudo,Marie-Pierre Ledru,Carlos E Wetzel Cryptogamie Algologie, 2023, 44 (6), pp.111-126. ⟨10.5252/cryptogamie-algologie2023v44a6⟩ Article dans une revue hal-04893590v1
A palynological atlas of the Cerrado-Caatinga ecotone in northeastern Brazil Maria Virginia Oliveira Da Silva,Francisca Soares De Araújo,Marie-Pierre Ledru Review of Palaeobotany and Palynology, 2023, 321, pp.105023. ⟨10.1016/j.revpalbo.2023.105023⟩ Article dans une revue hal-04893682v1
Long‐and short‐term vegetation change and inferred climate dynamics and anthropogenic activity in the central Cerrado during the Holocene Katerine Escobar‐torrez,Marie‐pierre Ledru,Raquel Franco Cassino,Paula Ribeiro Bianchini,Elder Yokoyama Journal of Quaternary Science, 2023, 39 (1), pp.130 - 144. ⟨10.1002/jqs.3567⟩ Article dans une revue hal-04893705v1
Rimoneis ectorii (Bacillariophyta), a new diatom species from the Colônia basin Pleistocene sediments (southeast Brazil) Gisele C Marquardt,Denise de Campos Bicudo,Carlos E.M. Bicudo,Marie-Pierre Ledru,Carlos E. Wetzel Nova Hedwigia, 2023, 117 (1-4), pp.61-69. ⟨10.1127/nova_Hedwigia/2023/0861⟩ Article dans une revue hal-04962253v1
Relationship between pollination syndromes, pollen morphology and plant ecology in Quaternary deposits of the Cerrado Katerine Escobar-Torrez,Raquel Franco Cassino,Marie-Pierre Ledru Palynology, 2023, 48 (1), pp.2252871. ⟨10.1080/01916122.2023.2252871⟩ Article dans une revue hal-04893654v1
The Cerrado and restinga pathways: two ancient biotic corridors in the neotropics Marie-Pierre Ledru,Francisca Soares De Araújo Frontiers of Biogeography, 2023, 15 (3), ⟨10.21425/f5fbg59398⟩ Article dans une revue (article de synthèse) hal-04893495v1
Changes in the vegetation and water cycle of the Ecuadorian páramo during the last 5000 years Marie-Pierre Ledru,Olga Aquino-Alfonso,Walter Finsinger,Pablo Samaniego,Silvana Hidalgo The Holocene, 2022, 32, pp.950-963. ⟨10.1177/09596836221101251⟩ Article dans une revue hal-03658523v1
Characterization of a glacial neotropical rainforest from pollen and spore assemblages (Colônia, São Paulo, Brazil) Adriana Mercedes Camejo Aviles,Marie-Pierre Ledru,Fresia Ricardi-Branco,Paula A Rodríguez-Zorro,Ricardo J Francischetti Garciaet al. Grana, 2022, 61 (2), pp.81 - 123. ⟨10.1080/00173134.2021.1976823⟩ Article dans une revue hal-04893665v1
Estimated degradation of the Caatinga based on modern pollen rain deposited in reservoirs Marie-Pierre Ledru,Raquel Franco Cassino,Vaneicia dos Santos Gomes,Julia Caram Sfair,Francisca Soares Araújo Acta Botânica Brasílica, 2022, ⟨10.1590/1677-941x-abb-2022-0111⟩ Article dans une revue hal-04893635v1
Alternate Atlantic forest and climate phases during the early Pleistocene 41 kyr cycles in southeastern Brazil Paula A Rodríguez-Zorro,Marie-Pierre Ledru,Charly Favier,Edouard Bard,Denise C Bicudoet al. Quaternary Science Reviews, 2022, 286, pp.107560. ⟨10.1016/j.quascirev.2022.107560⟩ Article dans une revue hal-03875349v1
Pseudostaurosira crateri sp. nov. (Fragilariaceae, Bacillariophyta), a new small araphid, fossil diatom species from the Pleistocene (Atlantic Forest, Brazil) Gisele C Marquardt,Denise C Bicudo,Carlos E de M Bicudo,Marie-Pierre Ledru,Luc Ectoret al. Phytotaxa, 2021, 496 (2), pp.105 - 120. ⟨10.11646/phytotaxa.496.2.1⟩ Article dans une revue hal-04893650v1
Acid-free protocol for extracting pollen from Quaternary sediments Rudney de Almeida Santos,Marie-Pierre Ledru Palynology, 2021, 46 (1), pp.1 - 8. ⟨10.1080/01916122.2021.1960916⟩ Article dans une revue hal-04893660v1
Acid-free protocol for extracting pollen from Quaternary sediments Rudney de Almeida Santos,Marie-Pierre Ledru Palynology, 2021, 46 (1), pp.1-8. ⟨10.1080/01916122.2021.1960916⟩ Article dans une revue hal-04962240v1
Shut down of the South American summer monsoon during the penultimate glacial Paula Rodríguez-Zorro,Marie-Pierre Ledru,Edouard Bard,Olga Aquino-Alfonso,Adriana Camejoet al. Scientific Reports, 2020, 10, pp.6275. ⟨10.1038/s41598-020-62888-x⟩ Article dans une revue hal-02543791v1
Chronostratigraphy of a 1.5±0.1 Ma composite sedimentary record from Colônia basin (SE Brazil): Bayesian modeling based on paleomagnetic, authigenic 10Be/9Be, radiocarbon and luminescence dating Quentin Simon,Marie-Pierre Ledru,André Oliveira Sawakuchi,Charly Favier,Thays Mineliet al. Quaternary Geochronology, 2020, pp.101081. ⟨10.1016/j.quageo.2020.101081⟩ Article dans une revue hal-02549493v1
When archives are missing, deciphering the effects of public policies and climate variability on the Brazilian semi-arid region using sediment core studies Marie-Pierre Ledru,Vivian Jeske-Pieruschka,Laurent Bremond,Anne-Lise Develle,Pierre Sabatieret al. Science of the Total Environment, 2020, 723, pp.137989. ⟨10.1016/j.scitotenv.2020.137989⟩ Article dans une revue hal-02519785v1
Vegetation and fire variability in the central Cerrados (Brazil) during the Pleistocene-Holocene transition was influenced by oscillations in the SASM boundary belt Raquel Franco Cassino,Marie-Pierre Ledru,Rudney de Almeida Santos,Charly Favier Quaternary Science Reviews, 2020, 232, pp.106209. ⟨10.1016/j.quascirev.2020.106209⟩ Article dans une revue hal-02484480v1
Vegetation and climate changes in the forest of Campinas, São Paulo State, Brazil, during the last 25,000 cal yr BP Adriana Mercedes Camejo Aviles,Fresia Ricardi-Branco,Marie-Pierre Ledru,Luís Carlos Bernacci Brazilian Journal of Geology, 2019, 49 (3), ⟨10.1590/2317-4889201920190040⟩ Article dans une revue hal-04893631v1
A new modern pollen dataset describing the Brazilian Atlantic Forest Vincent Montade,Marie-Pierre Ledru,Thomas Giesecke,Suzette Ga Flantua,Hermann Behlinget al. The Holocene, 2019, 29 (8), pp.1253-1262. ⟨10.1177/0959683619846981⟩ Article dans une revue hal-02347743v1
Landscape changes in the southern Amazonian foreland basin during the Holocene inferred from Lake Ginebra, Beni, Bolivia Katerine Escobar-Torrez,Marie-Pierre Ledru,Teresa Ortuño,Umberto Lombardo,Jean-François Renno Quaternary Research, 2019, 94, pp.46 - 60. ⟨10.1017/qua.2019.72⟩ Article dans une revue hal-04893673v1
Enhanced mercury deposition by Amazonian orographic precipitation: Evidence from high-elevation Holocene records of the Lake Titicaca region (Bolivia) Stéphane Guédron,Marie-Pierre Ledru,Katarina Escobar-Torrez,A.L. Develle,Elodie Brisset Palaeogeography, Palaeoclimatology, Palaeoecology, 2018, 551, pp.577-587. ⟨10.1016/j.palaeo.2018.09.023⟩ Article dans une revue hal-02555406v1
Biome stability in South America over the last 30 kyr: Inferences from long-term vegetation dynamics and habitat modelling Gabriel C. Costa,Arndt Hampe,Marie-Pierre Ledru,Pablo A. Martinez,Guilherme G. Mazzochiniet al. Global Ecology and Biogeography, 2018, 27 (3), pp.285-297. ⟨10.1111/geb.12694⟩ Article dans une revue hal-02622144v1
The ACER pollen and charcoal database: a global resource to document vegetation and fire response to abrupt climate changes during the last glacial period Maria Fernanda Sanchez Goni,Stéphanie Desprat,Anne-Laure Daniau,Franck Bassinot,Josué Polanco-Martínezet al. Earth System Science Data, 2017, 9 (2), pp.679 - 695. ⟨10.5194/essd-9-679-2017⟩ Article dans une revue halshs-01714588v1
Integrating paleoecology and phylogeography reveals congruent bioclimatic regions in the Brazilian Atlantic forest Marie-Pierre Ledru,A. C. Carnaval,C. Y. Miyaki Past Global Changes Magazine, 2017, 25 (2), pp.92-93. ⟨10.22498/pages.25.2.92⟩ Article dans une revue hal-03126894v1
Rain-fed agriculture thrived despite climate degradation in the pre-Hispanic arid Andes Pablo Cruz,Thierry Winkel,Marie-Pierre Ledru,Cyril Bernard,Nancy Eganet al. Science Advances , 2017, 3 (12), pp.e1701740. ⟨10.1126/sciadv.1701740⟩ Article dans une revue ird-02381096v1
Pollen-based characterization of montane forest types in north-eastern Brazil Vincent Montade,Ivan Jeferson Sampaio Diogo,Laurent Bremond,Charly Favier,Itayguara Ribeiro Da Costaet al. Review of Palaeobotany and Palynology, 2016, 234, pp.147-158. ⟨10.1016/j.revpalbo.2016.07.003⟩ Article dans une revue hal-01969935v1
Long-term Spatial Changes in the Distribution of the Brazilian Atlantic Forest Marie-Pierre Ledru,Vincent Montade,Grégoire Blanchard,Christelle Hély Biotropica, 2016, 48 (2), pp.159-169. ⟨10.1111/btp.12266⟩ Article dans une revue istex hal-03054369v1
Long-term man–environment interactions in the Bolivian Amazon: 8000 years of vegetation dynamics Sandra Brugger,Erika Gobet,Jacqueline F.N. van Leeuwen,Marie-Pierre Ledru,Daniele Colombaroliet al. Quaternary Science Reviews, 2016, 132, pp.114 - 128. ⟨10.1016/j.quascirev.2015.11.001⟩ Article dans une revue hal-01814617v1
Holocene land–sea climatic links on the equatorial Pacific coast (Bay of Guayaquil, Ecuador) Brice Seillès,Maria Fernanda Sánchez Goñi,Marie-Pierre Ledru,Dunia H Urrego,Philippe Martinezet al. The Holocene, 2015, 26 (4), pp.567-577. ⟨10.1177/0959683615612566⟩ Article dans une revue hal-03095085v1
Updated site compilation of the Latin American Pollen Database Suzette G.A. Flantua,Henry Hooghiemstra,Eric C Grimm,Hermann Behling,Mark Bushet al. Review of Palaeobotany and Palynology, 2015, 223, pp.104 - 115. ⟨10.1016/j.revpalbo.2015.09.008⟩ Article dans une revue hal-03035727v1
Stability of a Neotropical microrefugium during climatic instability Vincent Montade,Marie-Pierre Ledru,Julien Burte,Eduardo Sávio Passos Rodrigues Martins,Christiano Franco Verolaet al. Journal of Biogeography, 2014, 41 (6), pp.1215-1226. ⟨10.1111/jbi.12283⟩ Article dans une revue istex hal-03033686v1
Ecological effects of natural hazards and human activities on the Ecuadorian Pacific coast during the late Holocene Lim Sophak,Ledru Marie-Pierre,Francisco Valdez,Benoît Devillers,Houngnon Alfredet al. Palaeogeography, Palaeoclimatology, Palaeoecology, 2014, 415, pp.197-209. ⟨10.1016/j.palaeo.2013.12.021⟩ Article dans une revue halshs-01103396v1
Evidence of moist niches in the Bolivian Andes during the mid-Holocene arid period Marie-Pierre Ledru,Vincent Jomelli,Laurent Bremond,Teresa Ortuño,Pablo Cruzet al. The Holocene, 2013, 23 (11), pp.1547-1559. ⟨10.1177/0959683613496288⟩ Article dans une revue hal-02905247v1
A mid-Holocene climate reconstruction for eastern South America Luciana F. Prado,Ilana Wainer,Christiano Chiessi,Marie-Pierre Ledru,Bruno Turcq Climate of the Past, 2013, 9 (5), pp.2117-2133. ⟨10.5194/cp-9-2117-2013⟩ Article dans une revue ird-01458775v1
A continuous record of vegetation and climate change over the past 50,000 years in the Fujian Province of eastern subtropical China Yuanfu Yue,Zhuo Zheng,Kangyou Huang,Manuel Chevalier,Brian Chaseet al. Palaeogeography, Palaeoclimatology, Palaeoecology, 2012, 365-366, pp.115-123. ⟨10.1016/j.palaeo.2012.09.018⟩ Article dans une revue istex hal-02131846v1
Mid-Holocene mean climate in the south eastern Pacific and its influence on South America Matthieu Carré,Moufok Azzoug,Ilham Bentaleb,Brian Chase,Michel Fontugneet al. Quaternary International, 2012, 253, pp.55-66. ⟨10.1016/j.quaint.2011.02.004⟩ Article dans une revue istex hal-02131869v1
Irregular tropical glacier retreat over the Holocene epoch driven by progressive warming Vincent Jomelli,Myriam Khodri,Vincent Favier,Daniel Brunstein,Marie-Pierre Ledruet al. Nature, 2011, 474 (7350), pp.196-199. ⟨10.1038/nature10150⟩ Article dans une revue istex insu-00647034v1
Modern pollen rain, vegetation and climate in Bolivian ecoregions Teresa Ortuño,Marie-Pierre Ledru,Rachid Cheddadi,Adèle Kuentz,Charly Favieret al. Review of Palaeobotany and Palynology, 2011, 165 (1-2), pp.61-74. ⟨10.1016/j.revpalbo.2011.02.004⟩ Article dans une revue istex hal-01970187v1
Sociétés andines et changements environnementaux depuis 4 000 ans dans la région du Nevado Coropuna (sud du Pérou) Adèle Kuentz,Jean-Claude Thouret,Marie-Pierre Ledru,Marie Emilie Forget Bulletin de l'Institut Francais d'Etudes Andines, 2011, 40 (2), pp.235-257. ⟨10.4000/bifea.1388⟩ Article dans une revue halsde-00772262v1
Environmental changes in the highlands of the western Andean Cordillera, southern Peru, during the Holocene Adèle Kuentz,Marie-Pierre Ledru,Jean-Claude Thouret The Holocene, 2011, pp.1-12. ⟨10.1177/09596836⟩ Article dans une revue hal-00660752v1
Millennial-scale changes in vegetation records from tropical Africa and South America during the last glacial Ines Hessler,Lydie Dupont,Raymonde Bonnefille,Hermann Behling,Catalina Gonzálezet al. Quaternary Science Reviews, 2010, 29, pp.2882-2899. ⟨10.1016/J.QUASCIREV.2009.11.029⟩ Article dans une revue istex hal-00908409v1
Phytogeographical data and modern pollen rain of the puna belt in southern Peru (Nevado Coropuna, Western Cordillera) Adèle Kuentz,Antonio Galan de Mera,Marie-Pierre Ledru,Jean-Claude Thouret Journal of Biogeography, 2007, 34 (10), pp.1762-1776. ⟨10.1111/j.1365-2699.2007.01728.x⟩ Article dans une revue istex hal-00329569v1
Onocerane testifies to dry climatic events during the Quaternary in the Tropics. Jérémy Jacob,Jean-Robert Disnar,Mohammed Boussafir,Marie-Pierre Ledru,Ana Luiza Spadano Albuquerqueet al. Organic Geochemistry, 2004, 35, pp.289-297. ⟨10.1016/j.orggeochem.2003.11.005⟩ Article dans une revue hal-00022457v1

Poster de conférence (2)

Paleoenvironmental and paleoclimate variations in northeastern Brazil during the last deglaciation: an organic isotope geochemistry approach Iñaki Dejean,Caroline Gauthier,Christiano Chiessi,Aline Govin,Christophe Griggoet al. Climat et Impact 2024, Nov 2024, Gif-sur Yvette, France. Climat et Impacts 2024 - book of abstracts, 1 (-), pp.244, 2024 Poster de conférence hal-05490126v1
Last millennia of the tropical moist forest of Central Africa : forest of savanna ? Ilham Bentaleb,M. Moreau,C. Angot,C.J. Wonkam Njonang,C. Tovaret al. Annual meeting of the Association for Tropical Biology and Conservation (ATBC 2012) : Ecology, evolution and sustainable use of tropical biodiversity, Jun 2012, Bonito, Mato Grosso do Sul, Brazil. Ecology evolution and sustainable use of tropical biodiversity, 49, p. 310 Poster de conférence hal-02898834v1

Ouvrages (3)

Trajectoires de recherches en Amazonie brésilienne : l'IRD et ses partenaires Frédérique Seyler,Marie-Pierre Ledru,Laure Emperaire,E. Falconi IRD, 174 p., 2022, Focus, 978-2-7099-2962-2 Ouvrages hal-03978909v1
Trajetórias de pesquisa na Amazônia brasileira : o IRD e seus parceiros Frédérique Seyler,Marie-Pierre Ledru,Laure Emperaire,E. Falconi IRD, 174 p., 2022, Focus, 978-2-7099-2968-4 Ouvrages hal-04083281v1
Pourquoi lier la résolution de la crise de la biodiversité à celle de la crise climatique ? Isabelle Biegala,Olivier Dangles,Nicolas Hubert,Marie-Pierre Ledru,François Le Loc'het al. , 2021 Ouvrages ird-03759269v1

Communication dans un congrès (4)

Late Holocene paleoecological changes in the Ecuadorian páramos Olga Aquino-Alfonso,Ledru Marie-Pierre,Walter Finsinger MedPalynos2021, Sep 2021, Modena, Italy. pp.139-140 Communication dans un congrès hal-03369264v1
Deposition modes in the paleo-lake Colônia (São Paulo, SE / Brazil): detrital input and bio-geochemical processes Patricia Roeser,Marie-Pierre Ledru,Nicolas Thouveny,Tachikawa Kazuyo,Frauke Rosteket al. European Geosciences Union General Assembly 2017, Apr 2017, Vienne, Austria Communication dans un congrès hal-03550326v1
Sociétés andines et changements environnementaux depuis 4 000 ans dans la région du Nevado Coropuna (sud du Pérou Adèle Kuentz,Jean-Claude Thouret,Marie-Pierre Ledru,Marie Emilie Forget Colloque international Q8 " Quaternaire n° 8 " Variabilité spatiale des environnements quaternaires contraintes, échelles et temporalités, Feb 2012, Clermont Ferrand, France Communication dans un congrès halsde-00778926v1
Onocerane I witnesses to dry climatic phases at the end of Last Glacial Maximum and during the Younger Dryas in Northern Brazil. Jérémy Jacob,Jean-Robert Disnar,Mohammed Boussafir,Marie-Pierre Ledru,Abdel Sifeddineet al. 21st International Meeting on Organic Geochemistry, 2003, Kralow, Poland Communication dans un congrès hal-00022465v1

Article de blog scientifique (1)

Atlas palinológico atual da Bacia de Colônia, Estado de São Paulo, Brasil Jerlin Fernandez,Adriana Mercedes Camejo Aviles,Fresia Soledad Torres Ricardi-Branco,Marie-Pierre Ledru,Ricardo J Francischetti Garciaet al. 2021, ⟨10.20396/td.v17i00.8666074⟩ Article de blog scientifique hal-04893624v1

Autre publication scientifique (1)

Au Brésil, le &quot;cratère&quot; à remonter le temps du climat Marie-Pierre Ledru 2018, en ligne [5 p.] Autre publication scientifique hal-04013540v1

Chapitre d'ouvrage (1)

Evidence for, and consequences of, recent climate changes on the environment of the Nevado Coropuna, Western cordillera, Southern Peru. Adèle Kuentz,Marie Emilie Forget,Jean-Claude Thouret,Marie-Pierre Ledru Proyecto Condesuyos 3, M.Ziolkowski, pp. 437-452, 2006 Chapitre d'ouvrage halsde-00778739v1