Publications

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Articles in peer-reviewed journals (* Equal contribution):

Veldman J.W., J.C. Aleman, S.T. Alvarado, T.M. Anderson, S. Archibald, W.J. Bond, T.W. Boutton, N. Buchmann, E. Buisson, J.G. Canadell, M. de Sá Dechoum, M.H. Diaz-Toribio, G. Durigan, J.J. Ewel, G.W Fernandes, A. Fidelis16, F. Fleischman, S.P. Good, D.M. Griffith, J-M Hermann, W.A. Hoffmann, S. Le Stradic, C.E.R. Lehmann, G. Mahy, A.N. Nerlekar, J.B. Nippert, R.F. Noss, C.P. Osborne, G.E. Overbeck, C.L. Parr, J.G. Pausas, R.T. Pennington, M.P. Perring, F.E. Putz, J.Ratnam, M. Sankaran, I.B. Schmidt, C.B. Schmitt, F.A.O. Silveira, A.C. Staver, N. Stevens, C.J. Still, C.A.E. Strömberg, V.M. Temperton, J.M. Varner, N.P. Zaloumis. 2019.  Comment on “The global tree restoration potential”. Science, 366:6463, 10.1126/science.aay7976.   

Aleman J.C., O. Blarquez, H. Elenga, J. Paillard, V. Kimpouni, G. Itoua, G. Isselet and A.C. Staver. 2019. Palaeo-trajectories of forest savannization in the southern Congo. Biology Letters 15: 20190284.

Daniau A.L., S. Desprat, J.C. Aleman, L. Bremond, B. Davis, W. Fletcher, J.R. Marlon, L. Marquer, V. Montade, C. Morales Del Molino, F. Naughton, D. Rius, D. Urrego. 2019. Plant microfossils in paleoenvironmental studies – pollen, microcharcoal and phytolith – towards a comprehensive understanding of vegetation, fire and climate changes over the past one million years. Invited contribution, Revue de Micropaléontologie 63:1-35.

Dutton C.L., A.L Subalusky, T.D. Hill, J.C. Aleman, E.J. Rosi, A.C. Staver and D.M. Post. 2019. A 2000-year sediment record reveals changing sedimentation and land use in the 1960s in the Upper Mara-Serengeti Ecosystem. Science of the Total Environment 664: 148-160.

Fayolle A., M. Swaine, J.C. Aleman, A.F. Azihou, D. Bauman, M. te Beest, E.N. Chidumayo, J. Cromsigt, M. Finckh, F.M.P. Gonçalves, J-F. Gillet, A-P. Gorel, A. Hick, R. Holdo, B. Kirunda, G. Mahy, I. McNicol, C.M. Ryan, R. Revermann, A. Plumptre, R. Pritchard, P. Nieto Quintano, C.B. Schmidt, J. Seghieri, T. Swemmer, H. Telila, A. Woolen. 2019. A sharp floristic discontinuity revealed by the biogeographic regionalization of African savannas. Journal of Biogeography 46:454-465. 

Hennebelle A., P. Grondin, J.C. Aleman, A.A. Ali, Y. Bergeron, D. Borcard and O. Blarquez. 2018. Using paleoecology to improve reference conditions for ecosystem-based management in western spruce-moss subdomain of Québec. Forest Ecology and Management 430: 157-165.

Giresse P., J. Maley, C. Doumenge, N. Philippon, G. Mahé, A. Chepstow-Lusty, J.C. Aleman, M. Lokonda,    H. Elenga. 2018. Paleoclimatic changes are the most probable causes of the rainforest crises 2,600 y ago in Central Africa. Proceedings of the National Academy of Sciences. DOI: 10.1073/pnas.1807615115.

Aleman J.C. and A.C Staver. 2018. Spatial patterns in the global distributions of savanna and forest. Global Ecology and Biogeography 27(7): 792-803.

Aleman J.C., A. Hennebelle, B. Vannière, O. Blarquez and the GPWG2. 2018. Sparking new opportunities for charcoal-based fire history reconstructions. Fire 1(1):7. 

Aleman J.C., M.A. Jarzyna, and A.C. Staver. 2018. Forest extent and deforestation in tropical Africa since 1900. Nature Ecology & Evolution 2(1): 26-33.

Hawthorne D.*, Courtney-Mustaphi C.*, Aleman J.C.*, Blarquez O., Colombaroli D., Daniau A.L., Marlon J.R., Power M., Vannière B., Hanj Y., Hantson S., Kehrwald N., Magi B., Yue X., Carcaillet C., Marchant R., Ayodele O., Githumbi E., Muriuki R. 2018. Global Modern Charcoal Dataset (GMCD): a tool for exploring proxy-fire linkages and spatial patterns of biomass burning. Quaternary International 488, 3-17. pdf

Aleman J.C., Blarquez O., Gourlet-Fleury S., Bremond L. and Favier C. 2017. Tree cover in Central Africa: determinants and sensitivity under contrasted scenarios of global change. Scientific Reports. 7, 41393; doi: 10.1038/srep41393. pdf

Aleman J.C., Blarquez O. and Staver A.C. 2016. Land-use change outweighs projected effects of changing rainfall on tree cover in sub-Saharan Africa. Global Change Biology 22 (9): 3013–3025. pdf

       Recommended in F1000Prime as being of special significance in its field Access the recommendation on F1000Prime

Kehrwald N., Aleman J.C., Coughlan M., Courtney-Mustaphi C., Githumbi E., Magi B.I., Marlon J. R., Power M.J. 2016. One thousand years of fires: Integrating proxy and model data. Frontiers in Biogeography, 8 (1).

Blarquez O. and Aleman J.C. 2015. Tree biomass reconstruction shows no lag in post-glacial afforestation of eastern Canada. Canadian Journal of Forest Research, 46(4): 485-498. pdf

Aleman J. C., Canal-Subitani S., Favier C., Bremond L. 2014. Influence of the local environment on lacustrine sedimentary phytolith records. Palaeogeography, Palaeoclimatology, Palaeoecology 414: 273-283. pdf

Aleman J. C., O. Blarquez, I. Bentaleb, P. Bonté, B. Brossier, C. Carcaillet, V. Gond, S. Gourlet-Fleury, A. Kpolita, I. Lefèvre, R. Oslisly, M.J. Power, O. Yongo, L. Bremond and C. Favier. 2013. Tracking land-cover changes with sedimentary charcoal in the Afrotropics.  The Holocene 23: 1853-1862. pdf

Aleman J. C., Saint-Jean A., Leys B., Carcaillet C., Favier C., and Bremond L.  2013. Estimating phytolith influx in lake sediments. Quaternary Research 80: 341-347. pdf

Blarquez O., Girardin M. P., Leys B., Ali A. A., Aleman J. C., Bergeron Y. and Carcaillet C. 2013. Paleofire reconstruction based on an ensemble-member strategy applied to sedimentary charcoal. Geophysical Research Letters. DOI: 10.1002/grl.50504

Aleman J., Leys B., Apema R., Bentaleb I., Dubois M.A., Lamba B., Lebamba J., Martin C., Ngomanda A., Truc L., Yangakola J-M., Favier C. & Bremond L. 2012. Reconstructing past savanna tree cover from pollen, phytoliths and stable carbon isotopes. Journal of Vegetation Science 23: 187-197 pdf

Favier C., Aleman J., Bremond L., Dubois M.A., Freycon V., Yangakola J.M. 2012. Abrupt shifts in African savanna tree cover along a climatic gradient. Global Ecology and Biogeography 21: 787 – 797. pdf

Other publications:

Courtney-Mustaphi C.J., Colombaroli D., Vannière B., Adolf C., Bremond L., Aleman J.C. & the GPWG2. 2018. African fire histories and ecologies. Past Global Changes Magazine 26(2): 88.

Lestienne M., Aleman J.C., Colombaroli D. 2018. How Paleofire Research Can Better Inform Ecosystem Management. EOS, 99, https://doi.org/10.1029/2018EO096613.

Gourlet-Fleury S., and all the CoForChange collaborators (including Aleman J.C.) 2014. Improving the characterization of tropical forests to improve management. Policy brief – conclusion of the CoForChange program (recommendations for policymakers).

Thomet M., Aleman J., Bazile D., Pham J-L. 2010. Impactos de la redefinición del concepto de Trafkintü sobre la diversidad de variedades de quinoa cultivadas por agricultires mapuches en cuatro comunas de la región de la Araucanía del sur de Chile.  Anales de la Sociedad Chilena de Ciencias Geograficas: 244-249.

Aleman J., Thomet M., Bazile D., Pham J-L. 2010. Central role of nodal farmers in seed exchanges for biodiversity dynamics : example of « Curadoras » for the Quinoa conservation in Mapuche communities in South Chile. Proceedings of Innovation and Sustainable Development in Agriculture and Food (ISDA 2010), 10 p.

Bazile D., Thomet M., Aleman J., Pham J-L. 2010. Impactos de las redes sociales sobre los flujos de semillas. Aplicación al caso de la biodiversidad de quinoa de las comunidades Mapuches (región de la Araucanía, sur de Chile). Memoria Resúmenes del III Congreso Mundial de la Quinua, 16 al 19 de Marzo de 2010.

Public Communications:

Aleman J.C. 2018. Deforestation in tropical Africa is not as bad as previously thought. The Conversation. Highlighted in phys.org, Mail & Guardian, The Star Kenya.

Aleman J.C. 2017. Why the future of Africa’s forests and savannas is under threat. The Conversation: Africa. Highlighted in CNBC Africa, Africa News Hub.

Dissertations:

Aleman J. 2013. Structure de la végétation en Afrique Centrale : impacts des forçages anthropiques et naturels. Doctoral dissertation. University of Montpellier.

Aleman J. 2009. Caractérisation de la diversité des variétés et des modes de culture du Quinoa dans les communautés Mapuche du Sud du Chili. Agricultural engineering dissertation. Montpellier SupAgro.