Skip to main navigationSkip to sub navigationSkip to main content

MSEC / MultiScale Environmental Changes

Laos

Boithias L., Choisy M., Souliyaseng N., Jourdren M., Quet F., Buisson Y., Thammahacksa C., Silvera N., Latsachack K., Sengtaheuanghoung O., Pierret A., Rochelle-Newall E., Becerra S., Ribolzi O. (2016) Hydrological regime and water shortage as drivers of the seasonal incidence of diarrheal diseases in a tropical montane environment. PLOS Neglected Tropical Diseases, 10.1371/journal.pntd.0005195: 1-27

Buisson Y., Rattanavong S., Keoluangkhot V., Vongphayloth K., Manivanh L., Pierret A., Maeght J.-L., Wuthiekanun V., Newton P. and Dance D. (2015) Melioidosis in Laos: Emergence or late discovery? In: Infectious diseases and socio-ecosystems - Socio-ecological dimensions of infectious diseases in Southeast Asia. Morand S., Dujardin J.-P., Lefait-Robin R. & Apiwathnasorn C. (Editors). Springer, Singapore. pp 89-104. ISBN 978-981-287-526-6

Causse, J., G. Billen, J. Garnier, T. Henri-des-Tureaux, X. Olasa, C. Thammahacksa, K. O. Latsachak, B. Soulileuth, O. Sengtaheuanghoung, E. Rochelle-Newall & O. Ribolzi, 2015. Field and modelling studies of Escherichia coli loads in tropical streams of montane agro-ecosystems. Journal of Hydro-Environment Research 9(4):496-507 doi:10.1016/j.jher.2015.03.003.

Chaplot V, le Brozec EC, Silvera N, Valentin C. 2005. Spatial and temporal assessment of linear erosion in catchments under sloping lands of northern Laos. Catena 63: 167-184. 10.1016/j.catena.2005.06.003.

Chaplot V, Giboire G, Marchand P, Valentin C. 2005. Dynamic modelling for linear erosion initiation and development under climate and land-use changes in northern Laos. Catena 63: 318-328. 10.1016/j.catena.2005.06.008.

Chaplot VAM, Rumpel C, Valentin C. 2005. Water erosion impact on soil and carbon redistributions within uplands of Mekong River. Global Biogeochemical Cycles 19: 10.1029/2005gb002493.

Chaplot V, Darboux F, Bourennane H, Leguedois S, Silvera N, Phachomphon K. 2006. Accuracy of interpolation techniques for the derivation of digital elevation models in relation to landform types and data density. Geomorphology 77: 126-141. 10.1016/j.geomorph.2005.12.010.

Chaplot V, Khampaseuth X, Valentin C, Le Bissonnais Y. 2007. Interrill erosion in the sloping lands of northern Laos subjected to shifting cultivation. Earth Surface Processes and Landforms 32: 415-428. 10.1002/esp.1411.

Chaplot V, Podwojewski P, Phachomphon K, Valentin C. 2009. Soil Erosion Impact on Soil Organic Carbon Spatial Variability on Steep Tropical Slopes. Soil Science Society of America Journal 73: 769-779. 10.2136/sssaj2008.0031.

Chaplot V, Bouahom B, Valentin C. 2010. Soil organic carbon stocks in Laos: spatial variations and controlling factors. Global Change Biology 16: 1380-1393. 10.1111/j.1365-2486.2009.02013.x.

Chaplot V, Poesen J. 2012. Sediment, soil organic carbon and runoff delivery at various spatial scales. Catena 88: 46-56. 10.1016/j.catena.2011.09.004.

Chaplot, V. & Ribolzi, O., 2014 Hydrograph separation to improve understanding of Dissolved Organic Carbon Dynamics in Headwater catchments. Hydrological Processes. 28(21), 5354-5366.

Bourdon, E., Maeght, J.-L., Pierret, A., Ribolzi, O., 2011 - In situ determination of soil colour using consumer-grade digital imaging equipment and open-source based image processing. PrometheusWiki, 21-July-2011 protocols, 38(12).

De Rouw A, Huon S, Soulileuth B, Jouquet P, Pierret A, Ribolzi O, Valentin C, Bourdon E, Chantharath B. 2010. Possibilities of carbon and nitrogen sequestration under conventional tillage and no-till cover crop farming (Mekong valley, Laos). Agriculture Ecosystems & Environment 136: 148-161. 10.1016/j.agee.2009.12.013.

De Rouw A., Casagrande M., Phaynaxay K., Soulileuth B., Saito K.. 2014. Soil seedbanks in slash-and-burn rice fields of northern Laos. Weed Research 54 (1): 26–37. DOI: 10.1111/wre.12053

De Rouw A, Maxwell JF, Girardin C. 2015. Foliar δ13C values, photosynthetic pathway and functional type for 238 common species on farm land and disturbed forest in Laos. Photosynthetica, 53.

De Rouw A, Soulileuth B, Huon S. 2015. Stable carbon isotope ratios in soil and vegetation shift with cultivation practices (Northern Laos). Agriculture, Ecosystems and Environment, 200:161-168.

Dupin B, de Rouw A, Phantahvong KB, Valentin C. 2009. Assessment of tillage erosion rates on steep slopes in northern Laos. Soil & Tillage Research 103: 119-126. 10.1016/j.still.2008.10.005.

Evrard, O., Laceby, J. P., Huon, S., Lefèvre, I., Sengtaheuanghoung, O., & Ribolzi, O. (2016). Combining multiple fallout radionuclides (137Cs, 7Be, 210Pbxs) to investigate temporal sediment source dynamics in tropical, ephemeral riverine systems. Journal of Soils and Sediments16(3), 1130-1144.

Gourdin, E., Evrard, O., Huon, S., Reyss, J. L., Ribolzi, O., Bariac, T., Sengtaheuanghoung, O. & Ayrault, S., 2014 Spatial and temporal variability of Be-7 and Pb-210 wet deposition during four successive monsoon storms in a catchment of northern Laos. Journal of Environmental Radioactivity. 136, 195-205.

Gourdin, E., Huon, S., Evrard, O., Ribolzi, O., Bariac, T., Sengtaheuanghoung, O. & Ayrault, S., 2015 Sources and export of particle-borne organic matter during a monsoon flood in a catchment of northern Laos. Biogeosciences. 12(4), 1073-1089.

Huon S., Bellanger B., Bonté P., Sogon S., Podwojewski P., Girardin C., Valentin C., de Rouw A., Velasquez F., Bricquet J.P. & Mariotti A., 2005. Monitoring soil organic carbon erosion with isotopic tracers: two case studies on cultivated tropical catchments with steep slopes (Venezuela, Laos). Soil erosion and carbon dynamics. Advances in Soil Science. pp. 301-328.

Huon S, de Rouw A, Bonte P, Robain H, Valentin C, Lefevre I, Girardin C, Le Troquer Y, Podwojewski P, Sengtaheuanghoung O. 2013. Long-term soil carbon loss and accumulation in a catchment following the conversion of forest to arable land in northern Laos. Agriculture Ecosystems & Environment 169: 43-57. 10.1016/j.agee.2013.02.007.

Huon S., Evrard O., Gourdinb E., Lefèvre I., Bariac T., Reyss J.L., Henry des Tureaux T., Sengtaheuanghoung O., Ayrault S., Ribolzi O. (2016) Suspended sediment source and propagation during monsoon events across nested sub-catchments with contrasted land uses in Laos. Journal of Hydrology: Regional Studies, 9 (2017) 69-84 

Gourdin E., Evrard O., Huon S., Reyss J.-L., Ribolzi O., Bariac T., Sengtaheuanghoung O., Ayrault S. (2014). Spatial and temporal variability of 7Be and 210Pb wet deposition during four successive monsoon storms in a catchment of northern Laos: methodological implications for sediment tracing during floods. Journal of Environmental Radioactivity 136, 195-205.

Gourdin E., Evrard O., Huon S., Lefèvre I., Ribolzi O., Reyss J.-L., Sengtaheuanghoung O., Ayrault S. (2014). Suspended sediment dynamics in a Southeast Asian mountainous catchment: combining river monitoring and fallout radionuclide analyses. Journal of Hydrology 519, 1811-1823.

Gourdin E., Huon S., Evrard O., Ribolzi O., Bariac T., Sengtaheuanghoung O., Ayrault S. (2015). Sources and export of particle-borne organic matter during a monsoon flood in a catchment of northern Laos. Biogeosciences 12, 1073-1089.

Kim M., Boithias L., Cho K.H., Silvera N., Thammahacksa C., Latsachack K., Rochelle-Newall E., Sengtaheuanghoung O., Pierret A., Pachepsky Y.A., Ribolzi O., (2017). Hydrological modeling of Fecal Indicator Bacteria in a tropical mountain catchment. Water Research 119, 102-113.

Kim J.H., Fourcaud T., Jourdan C., Maeght J.-L., Mao Z., Metayer J., Meylan L., Pierret A., Rapidel B., Roupsard O., de Rouw A., Villatoro Sanchez M., Wang Y., Stokes A., (2017). Vegetation drives slope stability and its variability through hydrological impacts. Geophys. Res. Lett., in press.

Knappik, M., Dance, D. A. B., Rattanavong, S., Pierret, A., Ribolzi, O., Davong, V., Silisouk, J., Vongsouvath, M., Newton, P. N. & Dittrich, S., 2015. Evaluation of Molecular Methods To Improve the Detection of Burkholderia pseudomallei in Soil and Water Samples from Laos. Applied and Environmental Microbiology. 81(11), 3722-3727.

Lacombe G, Pierret A, Hoanh CT, Sengtaheuanghoung O, Noble AD. 2010. Conflict, migration and land-cover changes in Indochina: a hydrological assessment. Ecohydrology 3: 382-391. 10.1002/eco.166.

Lacombe G, Pierret A. 2013. Hydrological impact of war-induced deforestation in the Mekong Basin. Ecohydrology 6: 901-903. 10.1002/eco.1395.

Lacombe G, Ribolzi O, de Rouw A, Pierret A, Latsachak K, Silvera N, Dinh RP, Orange D, Janeau JL, Soulileuth B, Robain H, Taccoen A, Sengphaathith P, Mouche E, Sengtaheuanghoung O, Duc TT & Valentin C (2016) Contradictory hydrological impacts of afforestation in the humid tropics evidenced by long-term field monitoring and simulation modelling. Hydrology and Earth System Sciences, Vol.20(7) : 2691-2704 doi:10.5194/hess-20-2691-2016

Lestrelin G, Giordano M. 2007. Upland development policy, livelihood change and land degradation: Interactions from a Laotian village. Land Degradation & Development 18: 55-76. 10.1002/ldr.756.

Lestrelin G, Vigiak O, Pelletreau A, Keohavong B, Valentin C. 2012. Challenging established narratives on soil erosion and shifting cultivation in Laos. Natural Resources Forum 36: 63-75. 10.1111/j.1477-8947.2011.01438.x.

Manivanh L., Pierret A., Rattanavong S., Kounnavongsa O., Buisson Y., Elliott I., Maeght J.-L., Xayyathip K., Silisouk J., Vongsouvath M., Phetsouvanh R., Newton P.N., Lacombe G., Ribolzi O., Rochelle-Newall E., Dance D.A.B., (2017). Burkholderia pseudomallei in a lowland rice paddy: seasonal changes and influence of soil depth and physico-chemical properties. Scientific Reports. In press

Maeght J-L, Rewald B, Pierret A. 2013. How to study deep roots-and why it matters. Frontiers in plant science 4: 299-299. 10.3389/fpls.2013.00299.

Mouche, E., Moussu, F., Muegler, C., Ribolzi, O., Valentin, C., Sengtahevanghoung, O. & Lacombe, G., 2014. Impact of land-use change on the hydrology of North Lao PDR watersheds. In: T. M. Daniell, H. A. J. VanLanen, S. Demuth, G. Laaha, E. Servat, G. Mahe, J. F. Boyer, J. M. Paturel, A. Dezetter & D. Ruelland (Eds.), Hydrology in a Changing World: Environmental and Human Dimensions. IAHS Publication, pp. 84-89.

Pages L, Serra V, Draye X, Doussan C, Pierret A. 2010. Estimating root elongation rates from morphological measurements of the root tip. Plant and Soil 328: 35-44. 10.1007/s11104-009-0079-x.

Patin J, Mouche E, Ribolzi O, Chaplot V, Sengtahevanghoung O, Latsachak KO, Soulileuth B, Valentin C. 2012. Analysis of runoff production at the plot scale during a long-term survey of a small agricultural catchment in Lao PDR. Journal of Hydrology 426: 79-92. 10.1016/j.jhydrol.2012.01.015.

Phachomphon K, Dlamini P, Chaplot V. 2010. Estimating carbon stocks at a regional level using soil information and easily accessible auxiliary variables. Geoderma 155: 372-380. 10.1016/j.geoderma.2009.12.020.

Pierret A, Latchackak K, Chathanvongsa P, Sengtaheuanghoung O, Valentin C. 2007. Interactions between root growth, slope and soil detachment depending on land use: a case study in a small mountain catchment of Northern Laos. Plant and Soil 301: 51-64. 10.1007/s11104-007-9413-3.

Pierret A. 2008. Multi-spectral imaging of rhizobox systems: New perspectives for the observation and discrimination of rhizosphere components. Plant and Soil 310: 263-268. 10.1007/s11104-008-9651-z.

Pierret A, Gonkhamdee S, Jourdan C, Maeght J-L. 2013. IJ_Rhizo: an open-source software to measure scanned images of root samples. Plant and Soil 373: 531-539. 10.1007/s11104-013-1795-9.

Pierret A., Maeght J.-L., Clement C., Montoroi J.-P., Hartmann C., Gonkhamdee S. (2016) Understanding deep roots and their functions in ecosystems: an advocacy for more unconventional research. Annals of Botany, 118: 621-635 doi: 10.1093/aob/mcw130.

Prieto I., Roumet C., Cardinael R., Kim J., Maeght JL., Mao Z., Portillo N., Thammahacksa C., Dupraz C. , Jourdan C., Pierret A., Roupsard O., Stokes A. 2014. Root community traits along a land use gradient: evidence of a community-level economics spectrum. Journal of Ecology, accepted.

Ribolzi O, Cuny J, Sengsoulichanh P, Mousques C, Soulileuth B, Pierret A, Huon S, Sengtaheuanghoung O. 2011. Land Use and Water Quality Along a Mekong Tributary in Northern Lao PDR. Environmental Management 47: 291-302. 10.1007/s00267-010-9593-0.

Ribolzi O, Patin J, Bresson LM, Latsachack KO, Mouche E, Sengtaheuanghoung O, Silvera N, Thiebaux JP, Valentin C. 2011. Impact of slope gradient on soil surface features and infiltration on steep slopes in northern Laos. Geomorphology 127: 53-63. 10.1016/j.geomorph.2010.12.004.

Ribolzi, O., O. Evrard, S. Huon, E. Rochelle-Newall, T. Henri-des-Tureaux, N. Silvera, C. Thammahacksac & O. Sengtaheuanghoung, 2016. Use of fallout radionuclides (Be-7, Pb-210) to estimate resuspension of Escherichia coli from streambed sediments during floods in a tropical montane catchment. Environmental Science and Pollution Research 23(4):3427-3435 doi:10.1007/s11356-015-5595-z.

Ribolzi, O., Rochelle-Newall, E., Dittrich, S., Auda, Y., Newton, P. N., Rattanavong, S., Knappik, M., Soulileuth, B., Sengtaheuanghoung, O., Dance, D. A. B. & Pierret, A., 2016 Land use and soil type determine the presence of the pathogen Burkholderia pseudomallei in tropical rivers. Environmental Science and Pollution Research. 23(8), 7828-7839.

Ribolzi O., Evrard O., Huon S., de Rouw A., Silvera N., Latsachack K., Soulileuth B., Lefèvre, I., Pierret A., Lacombe G., Sengtaheuanghoung O., Valentin C., 2017. From shifting cultivation to teak plantation: effect on overland flow and sediment yield in a montane tropical catchment, 2017. Scientific Reports, Nature, 7: 3987  | DOI:10.1038/s41598-017-04385-2

Rochelle-Newall, E., N. Thi Mai Huong, L. Thi Phuong Quynh, O. Sengteheuanghoung & O. Ribolzi, 2015. A short review of fecal indicator bacteria in tropical aquatic ecosystems: knowledge gaps and future directions. Frontiers in Microbiology 6 doi:10.3389/fmicb.2015.DD3D8.

Rochelle-Newall E.J., Ribolzi O., Viguier M., Thammahacksa C., Silvera N., Latsachack K., Dinh R.P., Naporn P., Sy H.T., Soulileuth B., Hmaimum N., Sisouvanh P., Robain H., Janeau J.L., Valentin C., Boithias L. PA, 2016. Effect of land use and hydrological processes on Escherichia coli loads in streams of tropical, humid headwater catchments. Scientific Reports, 21:1–12. doi: 10.1038/srep32974, , www.nature.com/articles/srep32974, IF 6.43

Rumpel C, Alexis M, Chabbi A, Chaplot V, Rasse DP, Valentin C, Mariotti A. 2006. Black carbon contribution to soil organic matter composition in tropical sloping land under slash and burn agriculture. Geoderma 130: 35-46. 10.1016/j.geoderma.2005.01.007.

Rumpel C, Chaplot V, Planchon O, Bernadou J, Valentin C, Mariotti A. 2006. Preferential erosion of black carbon on steep slopes with slash and burn agriculture. Catena 65: 30-40. 10.1016/j.catena.2005.09.005.

Rumpel C, Gonzalez-Perez JA, Bardoux G, Largeau C, Gonzalez-Vila FJ, Valentin C. 2007. Composition and reactivity of morphologically distinct charred materials left after slash-and-burn practices in agricultural tropical soils. Organic Geochemistry 38: 911-920. 10.1016/j.orggeochem.2006.12.014.

Rumpel C, Chaplot V, Chabbi A, Largeau C, Valentin C. 2008. Stabilisation of HF soluble and HCL resistant organic matter in sloping tropical soils under slash and burn agriculture. Geoderma 145: 347-354. 10.1016/j.geoderma.2008.04.001.

Rumpel C, Ba A, Darboux F, Chaplot V, Planchon O. 2009. Erosion budget and process selectivity of black carbon at meter scale. Geoderma 154: 131-137. 10.1016/j.geoderma.2009.10.006.

Rumpel C., Chaplot V., Ciais P., Chabbi A., Bouahom B., Valentin C., 2014. Composition changes of eroded carbon at different spatial scales in a tropical watershed suggest enrichment of degraded material during transport. Biogeosciences, 2014, 11 (12), p. 3299-3305. ISSN 1726-4170

Saqalli, M., Jourdren, M., Maestripieri, N., Guillerme, S., Maire, E., Soulileuth, B., Latsachach, K., Sounyafong, P., Tammahuxsa, L., Sengtaheuanghoung, O., Ribolzi, O. & Becerra, S., 2015 Backward waters, modern waters: Perception-Based Regional Mapping territory uses and water-related sanitary stakes in Luang Phabang area (Lao PDR). Applied Geography. 60, 184-193.

Valentin, C., Poesen, J., Yong Li, 2005. Gully erosion: impacts, factors and control. Catena, 63 :132–153.

Valentin, C., Boonsaner, A., Janeau, J. L., Jouquet, P., des Tureaux, T. H., Huon, S., Latsachack, K., Le Troquer, Y., Maeght, J. L., Orange, D., Rinh, P. D., Pierret, A., Podwojewski, P., Ribolzi, O., de Rouw, A., Sengtaheuanghoung, O., Silvera, N., Robain, H., Soulileuth, B., Thothong, W., Toan, T. D. & Hai, T. S., 2014. Lessons from long-term monitoring of soil erosion in three southeast Asian agricultural catchments undergoing rapid land-use changes. In: T. M. Daniell, H. A. J. VanLanen, S. Demuth, G. Laaha, E. Servat, G. Mahe, J. F. Boyer, J. M. Paturel, A. Dezetter & D. Ruelland (Eds.), Hydrology in a Changing World: Environmental and Human Dimensions. IAHS Publication. Int Assoc Hydrological Sciences, Wallingford, pp. 303-308.

Vigiak., Ribolzi O., Pierret A., Valentin C. , Sengtaheuanghoung O., Noble A., 2008. off-borne sediments in riparian areas: a comparison of bamboo versus native grasses in northern Laos. Unsasylva, FAO, 229, 58(4):11-16.

Vigiak O, Ribolzi O, Pierret A, Sengtaheuanghoung O, Valentin C. 2008. Trapping efficiencies of cultivated and natural riparian vegetation of northern Laos. Journal of Environmental Quality 37: 889-897. 10.2134/jeq2007.0251.