Articles | Volume 20, issue 7
https://doi.org/10.5194/hess-20-2691-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/hess-20-2691-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Research article
| 
08 Jul 2016
Research article |
| 08 Jul 2016
Contradictory hydrological impacts of afforestation in the humid tropics evidenced by long-term field monitoring and simulation modelling
Guillaume Lacombe
CORRESPONDING AUTHOR
International Water Management Institute (IWMI), Southeast Asia Regional Office, Vientiane, Lao PDR
Olivier Ribolzi
Institut de Recherche pour le Développement (IRD), GET, Université Paul Sabatier, Toulouse, France
Anneke de Rouw
IRD, IEES-Paris UMR 242, Université Pierre et Marie-Curie, Sorbonne Universités, Paris, France
Alain Pierret
IRD, IEES-Paris UMR 242, c/o National Agriculture and Forestry Research Institute (NAFRI), Vientiane, Lao PDR
Keoudone Latsachak
IRD, IEES-Paris UMR 242, c/o National Agriculture and Forestry Research Institute (NAFRI), Vientiane, Lao PDR
Norbert Silvera
IRD, IEES-Paris UMR 242, c/o National Agriculture and Forestry Research Institute (NAFRI), Vientiane, Lao PDR
Rinh Pham Dinh
Soils and Fertilizers Research Institute (SFRI), Hanoi, Vietnam
Didier Orange
IRD, Eco&Sols UMR 210, Montpellier SupAgro, Montpellier, France
Jean-Louis Janeau
IRD, IEES-Paris UMR 242, c/o SFRI, Hanoi, Vietnam
Bounsamai Soulileuth
IRD, IEES-Paris UMR 242, c/o National Agriculture and Forestry Research Institute (NAFRI), Vientiane, Lao PDR
Henri Robain
IRD, IEES-Paris UMR 242, Université Pierre et Marie-Curie, Sorbonne Universités, Paris, France
Adrien Taccoen
AgroParisTech, Laboratoire d'étude des ressources Forêt Bois LERFoB, ENGREF, UMR1092, Nancy, France
Phouthamaly Sengphaathith
University of Arizona, Graduate College, Tucson, USA
Emmanuel Mouche
Laboratoire des Sciences du Climat et de l'Environnement (LSCE), UMR 8212, C.E. de Saclay, Gif-sur-Yvette, France
Oloth Sengtaheuanghoung
Agriculture Land-Use Planning Center (ALUPC), Ministry of Agriculture and Forestry, Vientiane, Lao PDR
Toan Tran Duc
Soils and Fertilizers Research Institute (SFRI), Hanoi, Vietnam
Christian Valentin
IRD, IEES-Paris UMR 242, Université Pierre et Marie-Curie, Sorbonne Universités, Paris, France
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Latest update: 29 Nov 2025
Short summary
Laos and Vietnam have switched from net forest loss to net forest expansion between 1990 and 2015. Based on long-term field measurements of land use, river flows, and weather data, we demonstrate that forest expansion can have extreme, yet opposite, impacts on water resources, depending on how the newly established tree-based cover is managed. The conversion of annual crops to teak plantations in Laos or to naturally regrowing forests in Vietnam led to increased and decreased flows, respectively.
Laos and Vietnam have switched from net forest loss to net forest expansion between 1990 and...
